CN211404513U - Folded plate-shaped photovoltaic assembly, front glass used by same and photovoltaic system - Google Patents
Folded plate-shaped photovoltaic assembly, front glass used by same and photovoltaic system Download PDFInfo
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- CN211404513U CN211404513U CN201922097303.0U CN201922097303U CN211404513U CN 211404513 U CN211404513 U CN 211404513U CN 201922097303 U CN201922097303 U CN 201922097303U CN 211404513 U CN211404513 U CN 211404513U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a folded plate shape photovoltaic module and front glass and photovoltaic system who uses thereof, folded plate shape photovoltaic module includes from last front glass, battery body and the back superficial layer that sets gradually extremely down, front glass and back superficial layer are the folded plate structure that mainly comprises a plurality of V-arrangement units that link to each other in order respectively, the V-arrangement unit of front glass and back superficial layer is corresponding from top to bottom and constitutes between the two to settle battery body's space. The utility model discloses a photovoltaic module can improve photovoltaic module's whole photic area under the limited condition of area, moreover, shine when the sunlight the utility model discloses when positive glass's V-arrangement unit is last, can realize the multiple reflection and the incidence of sunlight between two inclined plane boards of V-arrangement unit, and then increase the energy absorption of subassembly to the sunlight, improve the generated energy of subassembly.
Description
Technical Field
The utility model relates to a folded plate shape photovoltaic module still relates to the front glass that this photovoltaic module used, relates to the photovoltaic system who comprises this photovoltaic module in addition.
Background
A solar cell is a device that efficiently absorbs solar radiation energy and converts light energy into electrical energy using the photovoltaic effect. When sunlight irradiates on a semiconductor P-N junction, a new hole-electron pair is formed, under the action of an electric field of the P-N junction, holes flow from an N region to a P region, electrons flow from the P region to the N region, and current is formed after a circuit is switched on.
Crystalline silicon solar photovoltaic modules are the main form of solar cells in practical applications, and are the mainstream products in the photovoltaic market nowadays. The crystalline silicon solar photovoltaic module generally comprises front glass, a hot melt adhesive layer, a cell string formed by connecting a plurality of solar cells, the hot melt adhesive layer and a back plate from top to bottom in sequence, wherein the solar cells are tiled on the same plane according to a certain arrangement form.
The existing photovoltaic module has the following defects because the solar cells are positioned on the same plane:
the solar cell module comprises a photovoltaic module body, wherein the photovoltaic module body is provided with a plurality of solar cells.
The structure of the photovoltaic module is simple, energy loss caused by light reflection is too large, and the generated energy of the photovoltaic module is restricted to a certain degree.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a simple structure, low in manufacturing cost, can improve the folded plate shape photovoltaic module of subassembly generated energy.
A second object of the present invention is to provide a front glass for the above-mentioned folding plate-shaped photovoltaic module.
A third object of the present invention is to provide a photovoltaic system comprising the above-mentioned folding plate-shaped photovoltaic module.
The first object of the present invention is achieved by the following technical measures: the utility model provides a folded plate shape photovoltaic module, it includes from last front glass, battery body and the back surface layer that sets gradually down, its characterized in that: the front glass and the back surface layer are respectively of a folded plate structure mainly composed of a plurality of V-shaped units which are connected in sequence, the V-shaped units of the front glass and the back surface layer are vertically corresponding, and a space for accommodating the battery body is formed between the V-shaped units.
The utility model discloses a photovoltaic module can improve photovoltaic module's whole photic area under the limited condition of area, moreover, shine when the sunlight the utility model discloses when positive glass's V-arrangement unit is last, can realize the multiple reflection and the incidence of sunlight between two inclined plane boards of V-arrangement unit, and then increase the energy absorption of subassembly to the sunlight, improve the generated energy of subassembly.
As a preferred embodiment of the present invention, the connecting portion of the two inclined panels of the V-shaped unit is a tip or a circular arc transition. The connecting parts of the two inclined plane plates of the V-shaped unit are in arc transition, so that the internal stress of glass at the junction is reduced, and the stability of the assembly is improved.
As an embodiment of the present invention, the photovoltaic module is a crystal silicon battery module, the battery body is a battery string formed by connecting a plurality of solar cells, the back surface layer is a back plate, the space for arranging the solar cells is inside the inclined plane plate of the V-shaped unit corresponding to the front glass and the back plate, and the solar cells face the inclined plane plate corresponding to the solar cells. The utility model discloses a solar wafer slant is placed and with the inclined plane board that corresponds with it with inclination, so, under photovoltaic module's the limited condition of arrangement area, can improve the quantity of the solar wafer that photovoltaic module can hold.
As an embodiment of the present invention, the photovoltaic module is a single-sided battery module, that is, the solar cell is a single-sided battery. The edge of the periphery of the front glass is processed by opaque white, and the surface of the outer frame of the folding plate-shaped photovoltaic module is white. The absorption of reflected light by the cells in the corresponding side diagonal panel can be increased.
As another embodiment of the present invention, the photovoltaic module is a double-sided battery module, i.e. the solar cell is a double-sided battery, and the back plate is a glass plate. Light can be incident to the back of the cell in the adjacent inclined plane plate through the front glass, and the back of the cell is reflected and incident for multiple times, so that the absorption of the back to sunlight is increased. The edges of the peripheries of the front glass and the back glass are processed by opaque white, and the outer frame surface of the folding plate-shaped photovoltaic module is white, so that the absorption of the cell pieces in the corresponding side inclined panels to reflected light can be increased.
As another embodiment of the present invention, the photovoltaic module is a thin film battery module, the battery body is a photoelectric conversion thin film layer, and the back surface layer is a back plate or a back electrode layer.
As a preferred embodiment of the present invention, the front glass and the back surface layer are equally divided into an integral whole.
Preferably, the included angle between the two inclined panels of the V-shaped unit is 45 ° to 135 °.
As an improvement of the present invention, the photovoltaic module is bent upward or downward so that the front glass and the back surface layer become an upward convex or a concave curved surface. Along with the motion of the sun, the utility model discloses all have its orientation to shine the battery piece of direction for the optimum at each angular position, can increase the solar energy absorption.
As another improvement of the utility model, photovoltaic module is the basin body that horizontal plane and wall are the spherical segment curved surface for the bottom surface, and wherein, the solar wafer that is located the horizontal plane is a plurality of and links to each other in proper order and surrounds circularly, and the solar wafer that is located the spherical segment curved surface is the multiunit and is the form of dispersing, and every group solar wafer is established ties or is parallelly connected and corresponds with one of them solar wafer that is located the horizontal plane and is connected, and the solar wafer that is in on the outward flange in every group links to each other in proper order and circularizes. The embodiment is a bionic sunflower, and has the largest light receiving area. The solar cells in the horizontal plane may be enclosed into a circle or a rectangle or other specific shapes.
The second object of the present invention is achieved by the following technical measures: the front glass used for the folding plate-shaped photovoltaic module is characterized in that: the solar cell panel is a folded plate structure mainly composed of a plurality of V-shaped units which are connected in sequence, and each inclined plane plate of each V-shaped unit corresponds to a solar cell facing the inclined plane plate.
The third objective of the present invention is achieved by the following technical measures: the utility model provides a photovoltaic system who comprises above-mentioned folded plate shape photovoltaic module which characterized in that: the photovoltaic module folding device comprises a plurality of folding plate-shaped photovoltaic modules and a support, wherein each folding plate-shaped photovoltaic module is arranged on the support.
The support is the tree-shaped support that mainly comprises the main support of vertical setting and a plurality of assistant support of connection on the main support install respectively on main support and the assistant support the bent plate-shaped photovoltaic module.
Compared with the prior art, the utility model has the advantages of following showing:
the utility model discloses a solar wafer slant is placed and with the same inclination of the inclined plane board that corresponds with it, so, under the limited condition of photovoltaic module's arrangement area, can improve the quantity of the solar wafer that photovoltaic module can hold, the photic area of increase subassembly improves the generated energy of subassembly.
Do property when the sunlight shines on the utility model discloses when the V-arrangement unit of front glass is gone up, can realize the multiple reflection and the incidence of sunlight between two inclined plane boards of V-arrangement, increase the multiple absorption of sunlight, and then increase the energy absorption of subassembly to the sunlight, improve the generated energy of subassembly.
The utility model discloses photovoltaic module can be the bending plate body, along with the sun motion each angular position all has its orientation to be the battery piece of optimum irradiation direction, can increase the solar energy absorption.
Fourth the utility model discloses wholly can be bionical sunflower, have the biggest photic area, can improve the generated energy of subassembly to the at utmost.
The utility model discloses a part that meets of two inclined plane boards of V-arrangement unit is the circular arc transition, is favorable to reducing juncture glass's internal stress, improves photovoltaic module's stability.
Sixthly, in practical application, the solar cell can also be a small cell which is formed by cutting a conventional cell, and the small cell is small in area and beneficial to manufacturing of a photovoltaic module and generation capacity of a lifting module.
The same area of occupation and under the condition of land cost with current photovoltaic power plant, the utility model discloses the battery piece that every photovoltaic module can hold is in large quantity, and the generated energy is higher, and economic benefits is obvious.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional view of a front glass of embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional view of embodiment 2 of the present invention;
fig. 4 is a schematic top view of embodiment 3 of the present invention;
fig. 5 is a schematic side view of embodiment 3 of the present invention mounted on a bracket.
Detailed Description
Example 1
As shown in fig. 1 and 2, the utility model relates to a folded plate-shaped photovoltaic module, it includes from last front glass 2, battery body and the back superficial layer that sets gradually extremely down, and front glass 2 and back superficial layer are the folded plate structure that mainly comprises a plurality of V-arrangement units that link to each other in order respectively, and the V-arrangement unit of front glass 2 and back superficial layer is corresponding from top to bottom and constitutes the space of settling the battery body between the two.
In the present embodiment, the photovoltaic module is a crystalline silicon battery module, specifically a bifacial battery module, which is rectangular and a flat plate as a whole, and includes front glass 2, a hot melt adhesive layer (omitted in the figure), a battery string formed by connecting a plurality of solar cells 3, the hot melt adhesive layer (omitted in the figure), and a back plate 4, which are sequentially disposed from top to bottom. The solar cell pieces 3 are double-sided batteries, the back plate 4 is a glass plate, the front glass 2 and the back plate 4 are respectively of a folded plate structure mainly composed of a plurality of V-shaped units 5 which are sequentially connected in the transverse direction (along a short side, in other embodiments, the longitudinal direction, namely along a long side), in the present embodiment, the connecting parts of the two inclined plates of the V-shaped units are sharp ends (in other embodiments, the connecting parts of the two inclined plates of the V-shaped units can be in arc transition), the V-shaped units 5 of the front glass 2 and the back plate 4 correspond up and down, spaces for accommodating the solar cell pieces 3 are formed in the inclined plates 6 and 7 which form the V-shaped units 5, each inclined plate 6 and 7 of the V-shaped units 5 corresponds to one row (in other embodiments, can correspond to more than two rows of cell pieces) of the solar cell pieces 3, and the solar cell pieces 3 face the inclined plate 6 and the inclined plate 7 which corresponds to the solar, 7. Light can be incident to the back of the cell in the adjacent inclined plane plate through the front glass, and the back of the cell is reflected and incident for multiple times, so that the absorption of the back to sunlight is increased. In this embodiment, the included angles between the two inclined panels of all the V-shaped units are 45 °, and the front glass 1 and the back panel 4 are integrally formed.
In this embodiment, the front glass 2 and the back glass are processed by opaque white at the peripheral edges, and the outer frame surface of the assembly is white, so as to increase the absorption of the cell pieces in the corresponding side inclined panels to the reflected light. In other embodiments, when the photovoltaic module is a single-sided cell module, an opaque white treatment is applied only to the peripheral edge of the front glass, while the outer frame surface is white.
A front glass 2 used for the folded plate type photovoltaic module is a folded plate structure mainly composed of a plurality of V-shaped units 5 which are connected in sequence, and each inclined plate 6 of each V-shaped unit 5 corresponds to a row of solar cells 3 facing the inclined plate 6.
The utility model provides a photovoltaic system by foretell bent plate shape photovoltaic module is constituteed, it includes electrically controlled device (including accumulate device and circuit control system etc.), a plurality of folded plate shape photovoltaic module and support, in this embodiment, the support is tree-shaped support, it mainly comprises the main support of vertical setting and a plurality of auxiliary support of connection on the main support, install folded plate shape photovoltaic module on main support and auxiliary support respectively, each photovoltaic module passes through the line connection and links to each other with electrically controlled device again, can also install sun tracer on photovoltaic system, according to the motion of sun, control photovoltaic module rotates, it is just to the sun at any time to keep photovoltaic module, so that rely on the utility model discloses bent plate shape photovoltaic module's structural design and sun tracer technique realize the maximize of photovoltaic cell output.
Referring to fig. 1, the optical principle of the present invention is: sunlight A irradiates the inclined plane plates of the V-shaped unit, one part of sunlight is refracted into the photovoltaic module, the other part of sunlight is reflected onto the adjacent inclined plane plates and is reflected again, namely multiple reflection and incidence in the space of the V-shaped unit are formed, multiple absorption of the battery on the sunlight is increased, and the power generation amount of the module is improved. For the double-sided assembly, light can be incident to the back surface of the cell piece in the adjacent inclined plane plate through the front glass, and the light is reflected and incident for multiple times in the V-shaped space where the back surface of the cell piece is located, so that the sunlight absorption of the back surface is increased.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that: the photovoltaic module of the present embodiment is bent downward (in other embodiments, it may be bent upward) in the lateral direction (in other embodiments, it may be also in the longitudinal direction) so that the front glass 2 and the back sheet 4 become concave (in other embodiments, it may be also convex) curved plate bodies. The photovoltaic module of this embodiment has the advantages of: with the movement of the sun, solar cells with the orientation in the optimal irradiation direction are arranged at all the angular positions of the photovoltaic module, so that the solar energy absorption can be increased.
In this embodiment, the photovoltaic module is curved, and the included angles of the two inclined plane plates of all the V-shaped units may be the same, may also be partially the same, and may be partially different, and may be determined according to actual conditions.
Example 3
As shown in fig. 4 and 5, the present embodiment is different from embodiment 1 in that: the photovoltaic module of this embodiment is a basin-shaped body whose bottom surface is a horizontal surface 9 and wall surface is a spherical segment curved surface 10, wherein the solar cells 3a located on the horizontal surface are multiple and sequentially connected to each other to form a ring, the solar cells 3b located on the spherical segment curved surface are multiple and divergently shaped (only two groups of solar cells are shown in fig. 4), each group of solar cells 3b is connected in series (in other embodiments, they may be connected in parallel) and correspondingly connected to one of the solar cells 3a located on the horizontal surface, and the solar cells 3c located on the outer edge in each group are sequentially connected to each other to form a ring.
In this embodiment, the front glass 2 and the back plate 4 are both basin-shaped, the V-shaped units are sequentially connected on the circumference (in other embodiments, they may also be in the radial direction), the outer contour lines of the front glass 2 and the back plate 4 are polygons, and each side (i.e., each inclined plate) corresponds to a row of solar cells 3b arranged in the radial direction.
Referring to fig. 5, the photovoltaic module of the present embodiment is mounted on a support 8 to constitute a photovoltaic system.
The utility model discloses can be according to the difference of the whole shape of photovoltaic module, adjust the form of arranging of solar wafer under the prerequisite that satisfies the normal work of photovoltaic module, this form of arranging is field technical personnel's common general knowledge.
In other embodiments, the photovoltaic module can also be a single-sided cell module, i.e. the solar cell sheet is a single-sided cell.
In other embodiments, the photovoltaic module can also be a thin film battery module, the battery body is a photoelectric conversion thin film layer, and the back surface layer is a back plate or a back electrode layer. When the thin film battery module is a double-sided battery module, the back plate is a glass plate. The photoelectric conversion thin film layer is specifically deposited on the lower surface of the front glass and the upper surface of the back sheet, whether a single-sided battery module or a double-sided battery module.
In other embodiments, the angle between the two ramp panels of the V-shaped unit is 45 ° to 135 °.
The embodiment of the present invention is not limited to this, according to the above-mentioned contents of the present invention, according to the common technical knowledge and conventional means in the field, without departing from the above-mentioned basic technical idea of the present invention, the connecting portion of the two inclined panels of the V-shaped unit of the present invention can also be other shapes; therefore, the present invention can also make other modifications, replacements, or alterations in various forms, all falling within the scope of protection of the present invention.
Claims (14)
1. The utility model provides a folded plate shape photovoltaic module, it includes from last front glass, battery body and the back surface layer that sets gradually down, its characterized in that: the front glass and the back surface layer are respectively of a folded plate structure mainly composed of a plurality of V-shaped units which are connected in sequence, the V-shaped units of the front glass and the back surface layer are vertically corresponding, and a space for accommodating the battery body is formed between the V-shaped units.
2. The flap-shaped photovoltaic module according to claim 1, wherein: the connecting part of the two inclined plane plates of the V-shaped unit is a tip or an arc transition.
3. The flap-shaped photovoltaic module according to claim 2, wherein: the photovoltaic module is a crystalline silicon battery module, the battery body is a battery string formed by connecting a plurality of solar battery pieces, the back surface layer is a back plate, the front glass and the inside of the inclined plane plate of the V-shaped unit corresponding to the back plate are spaces for arranging the solar battery pieces, and the solar battery pieces face the inclined plane plate corresponding to the solar battery pieces.
4. The flap-shaped photovoltaic module according to claim 3, wherein: the photovoltaic module is a single-sided battery module, namely the solar cell is a single-sided battery.
5. The flap-shaped photovoltaic module according to claim 3, wherein: the photovoltaic module is a double-sided battery module, namely the solar cell is a double-sided battery, and the back plate is a glass plate.
6. The flap-shaped photovoltaic module according to claim 3, wherein: the photovoltaic module is a single-sided battery module, the peripheral edge of the front glass is processed by opaque white, the outer frame surface of the folding plate-shaped photovoltaic module is white, or the photovoltaic module is a double-sided battery module, the peripheral edges of the front glass and the back glass are processed by opaque white, and the outer frame surface of the folding plate-shaped photovoltaic module is white.
7. The flap-shaped photovoltaic module according to claim 2, wherein: the photovoltaic module is a thin film battery module, the battery body is a photoelectric conversion thin film layer, and the back surface layer is a back plate or a back electrode layer.
8. The flap-shaped photovoltaic module according to any one of claims 1 to 7, wherein: the front glass and the back surface layer are respectively integrally formed.
9. The flap-shaped photovoltaic module according to claim 8, wherein: the included angle between the two inclined plane plates of the V-shaped unit is 45-135 degrees.
10. The flap-shaped photovoltaic module according to claim 9, wherein: the photovoltaic module is bent upwards or downwards so that the front glass and the back surface layer are convex or concave bending surfaces.
11. The flap-shaped photovoltaic module according to claim 9, wherein: the photovoltaic module is a basin-shaped body with a horizontal surface at the bottom and a spherical segment curved surface at the wall, wherein a plurality of solar cells positioned on the horizontal surface are sequentially connected and surround to form a ring, a plurality of groups of solar cells positioned on the spherical segment curved surface are in a divergent shape, each group of solar cells are connected in series or in parallel and are correspondingly connected with one of the solar cells positioned on the horizontal surface, and the solar cells positioned on the outer edge of each group are sequentially connected to form a ring.
12. A front glass for a folded-plate photovoltaic module according to any one of claims 1 to 11, wherein: the solar cell panel is a folded plate structure mainly composed of a plurality of V-shaped units which are connected in sequence, and each inclined plane plate of each V-shaped unit corresponds to a solar cell facing the inclined plane plate.
13. A photovoltaic system comprising the flap-shaped photovoltaic module according to any one of claims 1 to 11, wherein: the photovoltaic module folding device comprises a plurality of folding plate-shaped photovoltaic modules and a support, wherein each folding plate-shaped photovoltaic module is arranged on the support.
14. The photovoltaic system of claim 13, wherein: the support is a tree-shaped support mainly composed of a main support and a plurality of auxiliary supports, wherein the main support is vertically arranged, the auxiliary supports are connected to the main support, and the folding plate-shaped photovoltaic modules are respectively installed on the main support and the auxiliary supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922097303.0U CN211404513U (en) | 2019-11-28 | 2019-11-28 | Folded plate-shaped photovoltaic assembly, front glass used by same and photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922097303.0U CN211404513U (en) | 2019-11-28 | 2019-11-28 | Folded plate-shaped photovoltaic assembly, front glass used by same and photovoltaic system |
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| CN211404513U true CN211404513U (en) | 2020-09-01 |
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| CN201922097303.0U Active CN211404513U (en) | 2019-11-28 | 2019-11-28 | Folded plate-shaped photovoltaic assembly, front glass used by same and photovoltaic system |
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| CN (1) | CN211404513U (en) |
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