CN107395108B - Photovoltaic power generation system - Google Patents
Photovoltaic power generation system Download PDFInfo
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- CN107395108B CN107395108B CN201710773100.1A CN201710773100A CN107395108B CN 107395108 B CN107395108 B CN 107395108B CN 201710773100 A CN201710773100 A CN 201710773100A CN 107395108 B CN107395108 B CN 107395108B
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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
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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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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Abstract
The invention discloses a photovoltaic power generation system, which comprises: install and be array arrangement's bearing structure on fixed basis, be fixed in bearing structure's solar photovoltaic board and two-sided reflector element, bearing structure includes: the support column is arranged on the fixed foundation, the support shaft is fixed at one end of the support column far away from the fixed foundation, and the support column and the support shaft are respectively symmetrical and axially arranged on the telescopic support frame of the support column; one end of each support frame far away from the support column is respectively fixed on the bottom surface of one solar photoelectric plate; at least four clamping pieces are arranged on the supporting shaft, and the clamping pieces comprise: the rings of the clamping parts are sleeved on the supporting shaft at intervals; the support column is connected with an L-shaped fixing frame for fixing the double-sided reflecting element. The photovoltaic module solves the problems of low luminous efficiency, poor stability of a supporting structure, difficult disassembly once installed and the like of the photovoltaic module in the prior art.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a photovoltaic power generation system.
Background
Conventional energy sources are limited, both from the world and from china. The primary energy reserves in China are far lower than the average world level, and only about 10% of the total world reserves. Solar energy is inexhaustible renewable energy for human beings, has the advantages of sufficient cleanliness, absolute safety, relative universality, long service life, maintenance-free property, resource sufficiency, potential economy and the like, and has important roles in long-term energy strategy.
Therefore, the dependence on coal-fired power generation is reduced, the use of renewable energy sources is increased, and the development direction of national future energy policies is enlarged, so that as an important means for energy conservation and emission reduction, the photovoltaic power generation is more and more emphasized, the photovoltaic power station continuously emerges like a bamboo shoot in spring after rain in the market at home and abroad, but is influenced by some immature technical factors such as high photovoltaic power generation cost, low photoelectric conversion rate, constant azimuth angle and inclination angle of a solar cell panel, and the like, the cost performance of the photovoltaic power station is not high, the market demand cannot be well met, and the large-area popularization of the photovoltaic power station in the market is limited.
The conventional photovoltaic power generation assembly is a single-sided crystalline silicon assembly, can only receive sunlight irradiation on one side to generate power, has the same installation area, and has low light utilization rate and low power generation efficiency. The double-sided photovoltaic power generation assembly can simultaneously receive sunlight irradiation on a front light surface/a backlight surface to perform double-sided power generation, but the backlight surface of the existing double-sided photovoltaic power generation assembly generates power by means of natural reflection rays, so that the utilization efficiency of the backlight surface of the photovoltaic power generation assembly is low, and the power generation efficiency is poor. When the photovoltaic module deflects, the stability of the supporting structure is poor, and for guaranteeing the stability of installation, destructive processing such as perforating, grooving and the like is needed to be carried out on the photovoltaic module, once the use condition of the photovoltaic module can be influenced due to improper processing, and the photovoltaic module is not easy to detach after being installed.
Therefore, the photovoltaic power generation system solves the problems that in the prior art, the luminous efficiency of a photovoltaic module is low, the stability of a supporting structure is poor, the photovoltaic module needs to be subjected to destructive processing during fixed installation, and once installed, the photovoltaic module is not easy to detach and the like, and the photovoltaic power generation system is a problem to be solved in the art.
Disclosure of Invention
In view of the above, the invention provides a photovoltaic power generation system, which solves the problems of low luminous efficiency of a photovoltaic module, poor stability of a supporting structure, need to perform destructive processing on the photovoltaic module during fixed installation, and difficult disassembly once installed in the prior art.
In order to solve the above technical problems, the present invention provides a photovoltaic power generation system, including:
a plurality of support structures which are arranged in an array on a fixed foundation, a solar photoelectric plate and a double-sided reflecting element which are fixed on the support structures,
the support structure comprises:
the support column is arranged on the fixed foundation and extends along a first direction, wherein the support shaft is of a cylindrical structure, and the first direction is a vertical direction when the support column is fixed on the fixed foundation;
the support shaft is fixed at one end of the support column far away from the fixed foundation and extends along a second direction, wherein the axis of the support shaft is intersected with the axis of the support column, the intersection point is positioned at the midpoint of the axis of the support shaft, and the first direction and the second direction are mutually perpendicular;
the support columns and the support shafts are respectively and symmetrically arranged on the telescopic support frames of the support columns, wherein one ends of the two support frames far away from the support columns are respectively fixed on the bottom surface of one solar photoelectric plate, and the included angles of the two solar photoelectric plates and the first direction are equal;
the driving device is arranged on the supporting column, controls the telescopic length of the supporting frame and adjusts the included angle between the solar photoelectric plate and the first direction;
at least four clamping pieces arranged on the supporting shaft, wherein the clamping pieces comprise: the circular rings of the clamping pieces are sleeved on the supporting shaft and are distributed at intervals along the second direction, and the clamping pieces clamp one end, close to the supporting shaft, of the solar photoelectric plate;
the solar photovoltaic panel comprises a support column, an L-shaped fixing frame arranged on the support column, a first extension part of the L-shaped fixing frame extends in a third direction, a second extension part extends in the first direction, wherein the end part of the first extension part is fixed on the support column, the end part of the second extension part is fixed on the double-sided reflecting element, the length of the first extension part is larger than or equal to the length of the solar photovoltaic panel along the third direction, and the third direction is perpendicular to the first direction and the second direction respectively.
Further, the double-sided reflective element extends along the second direction, and a length of the double-sided reflective element in the second direction is equal to a length of the solar photovoltaic panel;
in the first direction, the height of the double-sided reflecting element is greater than or equal to the height of the support column.
Further, the driving device further comprises a data input end, and the two supporting frames are driven to simultaneously do telescopic motion through the data input end inputting time points and telescopic length data of the supporting frames.
Further, an included angle between the solar photovoltaic panel and the first direction is greater than or equal to 30 degrees and less than or equal to 90 degrees.
Further, in the second direction, a distance between two adjacent support columns is greater than or equal to a length of the solar photovoltaic panel along the second direction.
Further, in the third direction, a distance between two adjacent support columns is equal to or greater than a sum of lengths of the two solar photovoltaic panels along the third direction.
Further, the inner diameter of the circular ring of the clamping piece is larger than or equal to the outer diameter of the supporting shaft.
Further, the buckle comprises a first buckle part clamped on the first surface of the solar photoelectric plate and a second buckle part clamped on the second surface of the solar photoelectric plate, and the first surface and the second surface are oppositely arranged in the thickness direction of the solar photoelectric plate;
the inner sides of the first buckling part and the second buckling part are respectively provided with an anti-skid texture, the inner sides of one ends of the first buckling part and the second buckling part far away from the circular ring are respectively provided with a bulge, and the distance between the first buckling part and the second buckling part in the thickness direction of the solar photovoltaic panel is equal to the thickness of the solar photovoltaic panel;
the buckle clamps the solar photoelectric plate and fixes the solar photoelectric plate on the supporting shaft.
Further, the clamping member is further integrally formed.
Further, the material of the clamping piece is further elastic material.
Compared with the prior art, the photovoltaic power generation system provided by the invention has the following beneficial effects:
(1) According to the photovoltaic power generation system, two solar photovoltaic panels are symmetrically fixed on one supporting structure, the angles of the two solar photovoltaic panels and the horizontal plane are adjusted simultaneously by controlling the extension and retraction of the supporting frame, so that the supporting stability of the supporting structure is ensured, the solar photovoltaic panels on the front light surface are consistent with the irradiation direction of the sun, the solar photovoltaic panels on the back light surface receive sunlight reflected by the reflecting element, and the utilization rate of solar rays and the photovoltaic luminous efficiency are improved.
(2) According to the photovoltaic power generation system, due to the structural design of the double-sided reflecting element, when the sunlight illumination direction is changed, the solar photoelectric plate originally positioned on the front light surface is converted into the solar photoelectric plate on the back light surface, sunlight can be directly reflected for the solar photoelectric plate on the back light surface without adjusting the position of the double-sided reflecting element, and the complexity of the photovoltaic power generation system is reduced.
(3) According to the photovoltaic power generation system, the clamping pieces are arranged on the supporting structure, the solar photovoltaic panel is fixed on two sides of the supporting shaft, and when the supporting frame stretches, the solar photovoltaic panel can axially rotate around the supporting shaft due to the annular structural design of the clamping pieces; the structure of the elastic clamping piece ensures the firmness of fixing the solar photovoltaic panel on one hand and avoids scratching the solar photovoltaic panel on the other hand; and the device is easy to detach and install, is easy to mass produce, and reduces the production cost.
Of course, it is not necessary for any one product embodying the invention to achieve all of the technical effects described above at the same time.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic layout diagram of a photovoltaic power generation system according to embodiment 1 of the present invention;
FIG. 2 is a schematic side view of a photovoltaic power generation system according to embodiment 1 of the present invention;
fig. 3 is a schematic three-dimensional structure of a photovoltaic power generation system according to embodiment 1 of the present invention;
FIG. 4 is a schematic side view of a photovoltaic power generation system according to embodiment 2 of the present invention;
fig. 5 is a schematic three-dimensional structure of a photovoltaic power generation system according to embodiment 2 of the present invention;
fig. 6 is a schematic diagram of an arrangement structure of a photovoltaic power generation system according to embodiment 2 of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Example 1
As shown in fig. 1-3, the photovoltaic power generation system comprises:
as shown in fig. 1, a plurality of support structures 11 are arranged in an array on a fixed foundation 10, and a solar photovoltaic panel 12 and a double-sided reflecting element 13 are fixed on the support structures 11, wherein; the supporting structure is arranged on the fixed foundation, the arrangement structure of the supporting structure can be changed by moving the fixed foundation, and the situation that holes are punched on the ground or the building surface such as a roof and the like is avoided for fixed installation. The fixed foundation of this example can be made of reinforced concrete, so that it has sufficient firmness.
The support structure 11 comprises: the support column 101 is mounted on the fixed base 10 and extends along a first direction Z, wherein the support shaft 102 is of a cylindrical structure, and the first direction Z is a vertical direction when the support column 101 is fixed on the fixed base 10.
And the support shaft 102 is fixed at one end of the support column 101 far away from the fixed foundation 10 and extends along the second direction X, wherein the axis of the support shaft 102 intersects with the axis of the support column 101, the intersection point is located at the midpoint of the axis of the support shaft 102, and the first direction Z and the second direction X are perpendicular to each other.
The support columns 101 and the support shafts 102 are respectively and symmetrically arranged on the telescopic support frames 103 of the support columns 101, wherein one ends of the two support frames 103 far away from the support columns 101 are respectively fixed on the bottom surface of one solar photoelectric plate 12; and the included angles between the two solar photovoltaic panels 12 and the first direction Z are equal.
The supporting shaft and the supporting frame can be fixed on the supporting column in a welding mode, and the fixing firmness of the supporting shaft and the supporting frame can be guaranteed to the greatest extent.
The driving device disposed on the supporting column 101 controls the telescopic length of the supporting frame 103, and adjusts the included angle between the solar photovoltaic panel 12 and the first direction Z. The support frame is fixed in the tip of support column and solar photovoltaic board is provided with the bearing, when the support frame stretches out and draws back, can be along with its length variation automatically regulated support frame and the contained angle of first direction Z. Because the bearing structure exposes in the atmosphere for a long time, in order to avoid bearing structure to rust the problem of formation, will prepare fashioned bearing structure surface and carry out rust-resistant treatment, like: zinc plating, painting antirust paint, etc.
At least four clamping members 104 disposed on the support shaft 102, the clamping members 104 comprising: the ring 141 and the fastener 142, the ring 141 of the fastener 104 is sleeved on the support shaft 102 and is arranged at intervals along the second direction X, where the fastener 142 of the fastener 104 is used to fasten one end of the solar photovoltaic panel 12 near the support shaft 102. As shown in fig. 3, the two clamping pieces are buckled towards one side of the supporting shaft, so that the solar photovoltaic panel close to the supporting shaft at the side is fixed; the buckles of the remaining two clamping pieces face the other side of the supporting shaft, and the other solar photoelectric plate close to the supporting shaft on the side is fixed.
In some alternative embodiments, the inner diameter of the ring 141 of the clip 104 is greater than or equal to the outer diameter of the support shaft 102. After the circular ring of the clamping piece is sleeved on the supporting shaft, the circular ring can axially rotate around the supporting shaft because a proper amount of clearance is formed between the circular ring and the supporting shaft.
The solar photoelectric plate is clamped by the buckle, so that destructive processing of the solar photoelectric plate is avoided, the number of clamping pieces can be selected according to the size of the solar photoelectric plate, and the firmness of the clamping pieces on the fixation of the solar photoelectric plate can be ensured due to the design of anti-skid textures and protrusions; the clamping piece is easy to detach, convenient to replace and easy to mass produce, and the production cost is greatly reduced.
The first extending portion 151 of the L-shaped fixing frame 105 extends in a third direction Y, the second extending portion 152 extends in the first direction Z, wherein an end portion of the first extending portion 151 is fixed on the supporting column 101, an end portion of the second extending portion 152 is fixed on the double-sided light reflecting element 13, and a length of the first extending portion 151 is greater than or equal to a length of the solar photovoltaic panel 12 along the third direction Y, wherein the third direction Y is perpendicular to the first direction Z and the second direction X.
The structural design of the double-sided reflecting element enables the original solar photoelectric plate positioned on the front light surface to be converted into the solar photoelectric plate on the back light surface when the sunlight direction changes, the position of the double-sided reflecting element is not required to be adjusted, sunlight can be directly reflected for the solar photoelectric plate on the back light surface, and the complexity of the preparation of a photovoltaic power generation system is reduced.
When the sun is positioned at the east side in the morning, the solar photovoltaic panel at the east side of the supporting structure normally generates electricity, and at the moment, the solar photovoltaic panel at the west side of the supporting structure cannot receive the irradiation of sunlight, and the double-sided reflecting element at the west side of the supporting structure plays a role in reflecting the sunlight towards one side (the east side) of the sunlight, so that the reflected sunlight irradiates the solar photovoltaic panel at the west side of the supporting structure, and the solar photovoltaic panel at the west side of the supporting structure can also receive the sunlight to normally generate electricity. When the noon sun is positioned right above, the solar photoelectric plates on the two sides of the supporting structure are parallel to the third direction, and at the moment, the whole surface receives the irradiation of sunlight to normally generate electricity, and the effect of the reflecting element is not needed. When the sun is positioned at the west side in the afternoon, the solar photovoltaic panel positioned at the west side of the supporting structure generates electricity normally, and at the moment, the solar photovoltaic panel positioned at the east side of the supporting structure cannot receive the irradiation of sunlight, and the double-sided reflecting element positioned at the east side of the supporting structure plays a role in reflecting sunlight towards one side (the west side) of the sunlight, so that the reflected sunlight irradiates the solar photovoltaic panel positioned at the east side of the supporting structure, and the solar photovoltaic panel positioned at the east side of the supporting structure can also receive the sunlight to generate electricity normally. According to the invention, the double-sided reflecting element is arranged between the two supporting structures, so that different times of the day are ensured, and the solar photovoltaic panels at the two sides of the supporting structures can receive the irradiation of sunlight to realize normal luminescence. The light utilization rate and the photovoltaic power generation efficiency are improved.
According to the arrangement structure of the solar photovoltaic panel, on the basis of guaranteeing the effective light utilization rate of the solar photovoltaic panel, the solar photovoltaic panel is furthest arranged on a photovoltaic power generation field with a limited area, and the luminous efficiency is improved.
Example 2
As shown in fig. 4 to 6, the system for photovoltaic power generation includes:
the solar photovoltaic system comprises a support structure 21 arranged on a fixed foundation 20 in an array manner, a solar photovoltaic panel 22 and a double-sided reflecting element 23, wherein the solar photovoltaic panel 22 and the double-sided reflecting element 23 are fixed on the support structure 21; the supporting structure is arranged on the fixed foundation, the arrangement structure of the supporting structure can be changed by moving the fixed foundation, and the situation that holes are punched on the ground or the building surface such as a roof and the like is avoided for fixed installation. The fixed foundation of this example can be made of reinforced concrete, so that it has sufficient firmness.
The support structure 21 comprises: the support column 201 is mounted on the fixed base 20 and extends along a first direction Z, wherein the support shaft 202 is of a cylindrical structure, and the first direction Z is a vertical direction when the support column 201 is fixed on the fixed base 20.
And a support shaft 202 fixed at one end of the support column 201 far away from the fixed foundation 20 and extending along a second direction X, wherein an axis of the support shaft 202 intersects with an axis of the support column 201, and the intersection point is located at a midpoint of the axis of the support shaft 202, and the first direction Z and the second direction X are perpendicular to each other.
The support columns 201 and the support shafts 202 are respectively and symmetrically arranged on the telescopic support frames 203 of the support columns 201, wherein one ends of the two support frames 203 far away from the support columns 201 are respectively fixed on the bottom surface of one solar photoelectric plate 22; and the included angles between the two solar photovoltaic panels 22 and the first direction Z are equal.
The supporting shaft and the supporting frame can be fixed on the supporting column in a welding mode, and the fixing firmness of the supporting shaft and the supporting frame can be guaranteed to the greatest extent.
The driving device disposed on the supporting column 201 controls the telescopic length of the supporting frame 203, and adjusts the included angle between the solar photovoltaic panel 22 and the first direction Z. The support frame is fixed in the tip of support column and solar photovoltaic board is provided with the bearing, when the support frame stretches out and draws back, can be along with its length variation automatically regulated support frame and the contained angle of first direction Z. Because the bearing structure exposes in the atmosphere for a long time, in order to avoid bearing structure to rust the problem of formation, will prepare fashioned bearing structure surface and carry out rust-resistant treatment, like: zinc plating, painting antirust paint, etc.
In some optional embodiments, the driving device further includes a data input end, and the two support frames are driven to simultaneously perform telescopic motion by inputting the time point and the telescopic length data of the support frames through the data input end, so as to adjust the included angle between the two solar photovoltaic panels and the third direction Y, and meanwhile, the supporting stability of the supporting structure can be ensured. The time point and the telescopic length of the supporting frame are corresponding data sets.
Preferably, an included angle between the solar photovoltaic panel and the first direction is greater than or equal to 30 degrees and less than or equal to 90 degrees. The telescopic length of the support frame is adjusted through the driving device, so that one end, far away from the support shaft, of the solar photoelectric plate moves in a range lower than or equal to the height of the support shaft along the first direction, the load on the support structure can be reduced due to small-amplitude deflection of the solar photoelectric plate, and the service life of the support structure is prolonged; the solar photovoltaic panels on two sides of the support shaft are simultaneously driven to deflect by the driving device, and deflection angles are consistent all the time, so that the stability of the support structure is further ensured, and the solar photovoltaic panels are prevented from deflecting due to the fact that the stability of the support structure is damaged by uneven stress.
As shown in fig. 5, the solar photovoltaic panels are respectively fixed on both sides of the supporting structure, and the solar photovoltaic panels are positioned on both east and west sides of the supporting structure because the sun is east-west falling. When the sun gradually rises to a position right above the eastern position, the length of the support frame is stretched by the driving device, the height of the solar photoelectric plate away from one side of the support shaft is gradually raised, and the solar photoelectric plate positioned at the eastern side faces the sun to serve as a main power generation surface until the solar photoelectric plate is parallel to a third direction; when the sun deviates from the middle position to the western position, the supporting frame is contracted by the driving device, the height of the solar photoelectric plate at one side far away from the supporting shaft is gradually reduced, and the solar photoelectric plate at the western side faces the sun light to serve as a main power generation surface. The driving device can be provided with a plurality of time points corresponding to solar deflection and corresponding support rod stretching length data, and the support rods stretch and retract correspondingly at specific time points, so that the solar photovoltaic panel keeps towards the irradiation direction of sunlight.
At least four clamping members 204 disposed on the support shaft 202, the clamping members 204 comprising: the circular ring 241 and the fastening pieces 242, the circular ring 241 of the fastening piece 204 is sleeved on the support shaft 202 and is arranged at intervals along the second direction X, wherein the fastening pieces 242 of the fastening piece 204 fasten one end of the solar photovoltaic panel 22 near the support shaft 202. As shown in fig. 5, the two clamping pieces are buckled towards one side of the supporting shaft, so that the solar photovoltaic panel close to the supporting shaft at the side is fixed; the buckles of the remaining two clamping pieces face the other side of the supporting shaft, and the other solar photoelectric plate close to the supporting shaft on the side is fixed.
In some alternative embodiments, the inner diameter of the ring 241 of the snap-fit member 204 is greater than or equal to the outer diameter of the support shaft 202. After the circular ring of the clamping piece is sleeved on the supporting shaft, the circular ring can axially rotate around the supporting shaft because a proper amount of clearance is formed between the circular ring and the supporting shaft.
In some alternative embodiments, the buckle 242 includes a first buckle portion 2421 that is engaged with the first surface 221 of the solar photovoltaic panel and a second buckle portion 2422 that is engaged with the second surface 222 of the solar photovoltaic panel, where the first surface 221 and the second surface 222 are disposed opposite to each other in the thickness direction of the solar photovoltaic panel 22;
the inner sides of the first fastening part 2421 and the second fastening part 2422 are provided with anti-skid threads, the inner sides of the first fastening part 2421 and the second fastening part 2422 far away from one end of the circular ring 241 are provided with protrusions 2423, and in the thickness direction of the solar photovoltaic panel, the distance between the first fastening part 2421 and the second fastening part 2422 is equal to the thickness of the solar photovoltaic panel 22; the buckle clamps the solar photoelectric plate and fixes the solar photoelectric plate on the supporting shaft. The solar photoelectric plate is clamped by the buckle, so that destructive processing of the solar photoelectric plate is avoided, the number of clamping pieces can be selected according to the size of the solar photoelectric plate, and the firmness of the clamping pieces on the fixation of the solar photoelectric plate can be ensured due to the design of anti-skid textures and protrusions; the clamping piece is easy to detach, convenient to replace and easy to mass produce, and the production cost is greatly reduced.
In some alternative embodiments, the clip 204 is further an integrally formed clip. The connection strength between the circular ring and the buckle is guaranteed, and the problems that the splicing position is loose, the circular ring and the buckle are easy to fall off due to incomplete connection in the use process are avoided.
Preferably, the material of the clip 204 is further an elastic material. Avoid the clamping piece of rigidity material fish tail solar photovoltaic board in the installation.
The first extending portion 251 of the L-shaped fixing frame 205 extends in a third direction Y, the second extending portion 252 extends in the first direction Z, wherein an end portion of the first extending portion 251 is fixed on the supporting column 201, an end portion of the second extending portion 252 is fixed on the double-sided reflective element 23, and a length of the first extending portion 251 is greater than or equal to a length of the solar photovoltaic panel 22 along the third direction Y, wherein the third direction Y is perpendicular to the first direction Z and the second direction X.
In some alternative embodiments, the double-sided reflective element 23 extends along the second direction X, and the length of the double-sided reflective element 23 in the second direction X is equal to the length of the solar photovoltaic panel 22; the length of the double-sided reflecting element is consistent with that of the solar photovoltaic panel, so that sunlight can be reflected to the solar photovoltaic panel back to the sun to the greatest extent. The structural design of the double-sided reflecting element enables the original solar photoelectric plate positioned on the front light surface to be converted into the solar photoelectric plate on the back light surface when the sunlight direction changes, the position of the double-sided reflecting element is not required to be adjusted, sunlight can be directly reflected for the solar photoelectric plate on the back light surface, and the complexity of the preparation of a photovoltaic power generation system is reduced.
In a specific embodiment, when the sun is located at the east side in the morning, the solar photovoltaic panel at the east side of the support structure generates electricity normally, and at this time, the solar photovoltaic panel at the west side of the support structure cannot receive the irradiation of the sunlight, and the double-sided reflecting element at the west side of the support structure plays a role in reflecting the sunlight towards one side (the east side) of the sunlight, so that the reflected sunlight irradiates the solar photovoltaic panel at the west side of the support structure, so that the solar photovoltaic panel at the west side of the support structure can receive the sunlight to generate electricity normally. When the noon sun is positioned right above, the solar photoelectric plates on the two sides of the supporting structure are parallel to the third direction, and at the moment, the whole surface receives the irradiation of sunlight to normally generate electricity, and the effect of the reflecting element is not needed. When the sun is positioned at the west side in the afternoon, the solar photovoltaic panel positioned at the west side of the supporting structure generates electricity normally, and at the moment, the solar photovoltaic panel positioned at the east side of the supporting structure cannot receive the irradiation of sunlight, and the double-sided reflecting element positioned at the east side of the supporting structure plays a role in reflecting sunlight towards one side (the west side) of the sunlight, so that the reflected sunlight irradiates the solar photovoltaic panel positioned at the east side of the supporting structure, and the solar photovoltaic panel positioned at the east side of the supporting structure can also receive the sunlight to generate electricity normally. According to the invention, the double-sided reflecting element is arranged between the two supporting structures, so that different times of the day are ensured, and the solar photovoltaic panels at the two sides of the supporting structures can receive the irradiation of sunlight to realize normal luminescence. The light utilization rate and the photovoltaic power generation efficiency are improved.
In the first direction, the height of the double-sided reflecting element is greater than or equal to the height of the support column. Preferably, the height of the double-sided reflective element is equal to the height of the support post. When the solar photoelectric plates are parallel to the third direction, the solar photoelectric plates face the sunlight direction, and no backlight area exists, so that the reflecting element is not required to reflect sunlight.
As shown in fig. 6, the arrangement structure of the photovoltaic power generation system is schematically shown, and in the second direction X, the distance between two adjacent support columns 201 is greater than or equal to the length of the solar photovoltaic panel 22 along the second direction X.
In the third direction Y, a distance between two adjacent support columns 201 is equal to or greater than a sum of lengths of the two solar photovoltaic panels 22 along the third direction Y. According to the arrangement structure of the solar photovoltaic panel, on the basis of guaranteeing the effective light utilization rate of the solar photovoltaic panel, the solar photovoltaic panel is furthest arranged on a photovoltaic power generation field with a limited area, and the luminous efficiency is improved.
According to the embodiment, the photovoltaic power generation system achieves the following beneficial effects:
(1) According to the photovoltaic power generation system, two solar photovoltaic panels are symmetrically fixed on one supporting structure, the angles of the two solar photovoltaic panels and the horizontal plane are adjusted simultaneously by controlling the extension and retraction of the supporting frame, so that the supporting stability of the supporting structure is ensured, the solar photovoltaic panels on the front light surface are consistent with the irradiation direction of the sun, the solar photovoltaic panels on the back light surface receive sunlight reflected by the reflecting element, and the utilization rate of solar rays and the photovoltaic luminous efficiency are improved.
(2) According to the photovoltaic power generation system, due to the structural design of the double-sided reflecting element, when the sunlight illumination direction is changed, the solar photoelectric plate originally positioned on the front light surface is converted into the solar photoelectric plate on the back light surface, sunlight can be directly reflected for the solar photoelectric plate on the back light surface without adjusting the position of the double-sided reflecting element, and the complexity of the photovoltaic power generation system is reduced.
(3) According to the photovoltaic power generation system, the clamping pieces are arranged on the supporting structure, the solar photovoltaic panel is fixed on two sides of the supporting shaft, and when the supporting frame stretches, the solar photovoltaic panel can axially rotate around the supporting shaft due to the annular structural design of the clamping pieces; the structure of the elastic clamping piece ensures the firmness of fixing the solar photovoltaic panel on one hand and avoids scratching the solar photovoltaic panel on the other hand; and the device is easy to detach and install, is easy to mass produce, and reduces the production cost.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (6)
1. A system for photovoltaic power generation, comprising:
a plurality of support structures which are arranged in an array on a fixed foundation, a solar photoelectric plate and a double-sided reflecting element which are fixed on the support structures,
the support structure comprises:
the support column is arranged on the fixed foundation and extends along a first direction, and when the support column is fixed on the fixed foundation, the first direction is a vertical direction;
the support shaft is fixed at one end of the support column far away from the fixed foundation and extends along a second direction, wherein the axis of the support shaft is intersected with the axis of the support column, the intersection point is positioned at the midpoint of the axis of the support shaft, the support shaft is of a cylindrical structure, and the first direction and the second direction are mutually perpendicular;
the support columns and the support shafts are respectively and symmetrically arranged on the telescopic support frames of the support columns, wherein one ends of the two support frames far away from the support columns are respectively fixed on the bottom surface of one solar photoelectric plate, and the included angles of the two solar photoelectric plates and the first direction are equal;
the driving device is arranged on the supporting column, controls the telescopic length of the supporting frame and adjusts the included angle between the solar photoelectric plate and the first direction;
the driving device further comprises a data input end, and the two support frames are driven to simultaneously do telescopic motion through the data input end inputting time points and telescopic length data of the support frames;
at least four clamping pieces arranged on the supporting shaft, wherein the clamping pieces comprise: the circular rings of the clamping pieces are sleeved on the supporting shaft and are distributed at intervals along the second direction, and the clamping pieces clamp one end, close to the supporting shaft, of the solar photoelectric plate;
the buckle comprises a first buckle part and a second buckle part, wherein the first buckle part is clamped on the first surface of the solar photoelectric plate, the second buckle part is clamped on the second surface of the solar photoelectric plate, and the first surface and the second surface are oppositely arranged in the thickness direction of the solar photoelectric plate;
the inner sides of the first buckling part and the second buckling part are respectively provided with an anti-skid texture, the inner sides of one ends of the first buckling part and the second buckling part far away from the circular ring are respectively provided with a bulge, and the distance between the first buckling part and the second buckling part in the thickness direction of the solar photovoltaic panel is equal to the thickness of the solar photovoltaic panel;
the buckle clamps the solar photoelectric plate and fixes the solar photoelectric plate on the supporting shaft;
the first extension part of the L-shaped fixing frame extends in a third direction, the second extension part extends in the first direction, wherein the end part of the first extension part is fixed on the supporting column, the end part of the second extension part is fixed on the double-sided reflecting element, the length of the first extension part is larger than or equal to the length of the solar photovoltaic panel along the third direction, and the third direction is perpendicular to the first direction and the second direction respectively;
the double-sided reflecting element extends along the second direction, and the length of the double-sided reflecting element in the second direction is equal to the length of the solar photovoltaic panel;
in the first direction, the height of the double-sided reflecting element is greater than or equal to the height of the support column;
and the included angle between the solar photoelectric plate and the first direction is more than or equal to 30 degrees and less than or equal to 90 degrees.
2. The system for photovoltaic power generation according to claim 1, wherein,
and in the second direction, the distance between two adjacent support columns is larger than or equal to the length of the solar photovoltaic panel along the second direction.
3. The system for photovoltaic power generation according to claim 2, wherein,
in the third direction, the distance between two adjacent support columns is larger than or equal to the sum of the lengths of the two solar photovoltaic panels along the third direction.
4. The system for photovoltaic power generation according to claim 1, wherein,
the inner diameter of the circular ring of the clamping piece is larger than or equal to the outer diameter of the supporting shaft.
5. The system for photovoltaic power generation according to claim 1, wherein,
the clamping piece is of an integrated structure.
6. The system for photovoltaic power generation according to claim 1, wherein,
the clamping piece is made of elastic materials.
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| CN108462460B (en) * | 2018-01-29 | 2020-04-07 | 河南理工大学 | Photovoltaic power generation device and power supply system |
| CN108518877B (en) * | 2018-04-13 | 2020-07-14 | 宁波德深机械设备有限公司 | Photovoltaic module |
| CN113110614B (en) * | 2021-04-22 | 2023-02-17 | 浙江可胜技术股份有限公司 | A self-adaptive surface-shaped heliostat frame |
| CN114217558B (en) * | 2021-12-14 | 2024-09-10 | 杭州华鼎新能源有限公司 | Tracking type photovoltaic bracket control system |
| CN114584055A (en) * | 2022-03-28 | 2022-06-03 | 横店集团东磁股份有限公司 | Photovoltaic module's mounting system |
| CN115940757B (en) * | 2022-12-22 | 2025-09-19 | 中建材浚鑫科技有限公司 | Photovoltaic power generation device based on ultrathin HJT battery high-flexibility component |
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