SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a photovoltaic array with four cables and an inverted arch cable below a photovoltaic module, and the photovoltaic array aims to solve the technical problem that the existing four-cable photovoltaic array has poor resistance of the photovoltaic module to lateral force.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a photovoltaic array having four cords with inverted arch cords below a photovoltaic module, comprising:
the number of the first supporting components is multiple, and the first supporting components are arranged at intervals along a first direction;
the four-cable assemblies are arranged on the first supporting assemblies at intervals along a second direction, a row of photovoltaic assemblies are arranged on the four-cable assemblies, each four-cable assembly comprises an upper suspension cable, a lower suspension cable, a first stabilizing cable and a second stabilizing cable, the upper suspension cables and the lower suspension cables extend along the first direction and are connected with the photovoltaic assemblies in the same row, and the second direction is perpendicular to the first direction;
the bracket assembly comprises quadrilateral frames and first connecting rods, the number of the quadrilateral frames is consistent with that of the four-cable assemblies and is arranged below the photovoltaic assembly, the first stabilizing cables and the second stabilizing cables extend along the first direction and are arranged on the quadrilateral frames at intervals along the second direction, the quadrilateral frames are connected with the upper suspension cables and the lower suspension cables, the quadrilateral frames are distributed along the second direction, and the first connecting rods are connected between the adjacent quadrilateral frames; and
the anti-arch cable is arranged below the four-cable assembly, extends along the first direction and is connected with the quadrilateral frame, the anti-arch cable is of an anti-arch structure protruding towards the photovoltaic assembly, and the anti-arch cable is located between the adjacent first supporting assemblies.
In some embodiments of the photovoltaic array, the number of the inverted arch cables located under the same four-cable assembly is two and is spaced apart along the second direction.
In some embodiments of the photovoltaic array, the first support assembly is provided with a plurality of vertical rods, ends of the inverted arch cables are connected to lower ends of the vertical rods in a one-to-one correspondence manner, and lower ends of two vertical rods corresponding to the same four-cable assembly are connected through a second connecting rod.
In some embodiments of the photovoltaic array, the photovoltaic array further comprises inverted arch tie bars, the inverted arch tie bars correspond to the inverted arch cables one by one, and the inverted arch tie bars are connected with the junctions of the vertical bars and the second connecting bars and located on the side far away from the inverted arch cables to provide tension for the vertical bars.
In some embodiments of the photovoltaic array, the first support assembly includes a beam and a plurality of columns spaced apart along the second direction, the beam integrally connects the columns, and the upper suspension cable, the lower suspension cable, the first stabilizing cable, and the second stabilizing cable are connected to the beam;
the vertical rod is arranged on the lower side of the cross beam;
and each upright post is correspondingly connected with each second connecting rod one by one.
In some embodiments of the photovoltaic array, the photovoltaic array further comprises a beam pull rod, and the beam pull rod is arranged on the beam positioned at the outer side of the photovoltaic array and positioned at the side far away from the four-cable assembly so as to provide tensile force for the beam.
In some embodiments of the photovoltaic array, the upper suspension cables, the lower suspension cables, the first stabilizing cables and the second stabilizing cables are respectively disposed at four corners of the quadrilateral frame.
In some embodiments of the photovoltaic array, the rack assembly further comprises a third link connected between adjacent quadrilateral racks.
In some embodiments of the photovoltaic array, the bracket assembly further includes a fourth connecting rod and a fifth connecting rod, the fourth connecting rod is received in the space enclosed by the quadrilateral frame, and two ends of the fourth connecting rod are respectively connected to the quadrilateral frame, the fifth connecting rod is received in the space enclosed by the quadrilateral frame, the fifth connecting rod extends along the second direction, two ends of the fifth connecting rod are respectively connected to the quadrilateral frame, and two of the inverted arch cables located below the same four-cable assembly are respectively connected to the fifth connecting rod and the junction of the quadrilateral frame.
In some embodiments of the photovoltaic array, the number of the bracket assemblies between adjacent first support assemblies is four, five or six, and each of the bracket assemblies is spaced apart.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
the photovoltaic array with the four cables and the inverted arch cables below the photovoltaic modules has excellent supporting efficiency of the photovoltaic modules, and can also improve the lateral force resistance. Specifically, the photovoltaic array includes a plurality of four-wire assemblies spaced apart in a second direction on each of the first support assemblies. The four-cable assembly is provided with a row of photovoltaic assemblies, and comprises an upper suspension cable, a lower suspension cable, a first stabilizing cable and a second stabilizing cable, wherein the upper suspension cable and the lower suspension cable are connected with the photovoltaic assemblies. Further, the photovoltaic array also comprises a bracket assembly and an inverted arch cable. Wherein, the bracket component comprises a quadrilateral bracket and a first connecting rod. The quadrangle frame is arranged below the photovoltaic module, and the first connecting rod is connected between the adjacent quadrangle frames. So can be connected each four cable subassemblies through the bracket component, promoted the holistic stability of photovoltaic array. Furthermore, the anti-arch cable is arranged below the four-cable assembly, the anti-arch cable extends along the first direction and is connected with the quadrilateral frame, the anti-arch cable is of an anti-arch structure protruding towards the photovoltaic assembly, the anti-arch cable is located between the adjacent first supporting assemblies, and therefore the anti-arch cable is arranged to provide a downward pulling force for the four-cable assembly through the supporting assemblies, so that the photovoltaic array can still keep good stability when being subjected to a lateral force, and further the resistance to the lateral force is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
In the existing four-cable photovoltaic array, a photovoltaic module is generally formed by connecting four cable structures made of steel strands in series, the photovoltaic module only has higher rigidity in the axial direction of the four cable structures, when the photovoltaic module is subjected to lateral force forming a certain included angle with the axial direction, such as lateral wind load, the photovoltaic module is limited by the structural form of the four cable structures with large deflection, the structure is difficult to keep stable, the bearing capacity is weakened, and the wind resistance stability is poor. In order to solve the technical problem the utility model provides a photovoltaic array with four cable and anti-arch cable in photovoltaic module below.
Referring to fig. 1 to 3 and 8, a photovoltaic array with four wires and an inverted arch wire under a photovoltaic module according to the present invention will now be described. The photovoltaic array includes a first support assembly 10, a plurality of four-cord assemblies 20, a bracket assembly 30, and an inverted arch cord 40. Wherein, the number of the first supporting components 10 is a plurality and is arranged at intervals along the first direction. The four cable assemblies 20 are spaced apart in the second direction on the first support assemblies 10. A row of photovoltaic modules 50 is provided on the four-wire assembly 20. In this embodiment, the number of the four-wire assemblies 20 is three, and the number of rows of the same photovoltaic assemblies 50 is also three. As shown in fig. 2 and 3, further, the four-wire assembly 20 includes an upper suspension wire 21, a lower suspension wire 22, a first stabilizing wire 23, and a second stabilizing wire 24. The upper suspension cables 21 and the lower suspension cables 22 extend in the first direction and are connected with the photovoltaic modules 50 in the same row, namely, the photovoltaic modules 50 in the same row are connected into a whole. The second direction is perpendicular to the first direction. In this embodiment, the first direction is parallel to the direction indicated by the arrow X in fig. 1, and the second direction is parallel to the direction indicated by the arrow Y in fig. 1. As shown in fig. 3 to 5, further, the bracket assembly 30 includes a quadrangular bracket 31 and a first link 32. The number of the quadrilateral frames 31 is the same as that of the four-cable assemblies 20 and is arranged below the photovoltaic assembly 50. The first and second stabilizing cables 23 and 24 extend in the first direction and are provided at intervals in the second direction on the quadrangular frame 31. The quadrangular frame 31 is connected to the upper suspension cable 21 and the lower suspension cable 22. The respective quadrangular frames 31 are arranged in the second direction, and the first links 32 are connected between the adjacent quadrangular frames 31. The inverted arch cable 40 is disposed below the four-cable assembly 20. The inverted arch wire 40 extends in a first direction and is connected to the quadrangular frame 31. The inverted arch cables 40 are in an inverted arch structure which is raised towards the photovoltaic modules 50, and the inverted arch cables 40 are positioned between the adjacent first support modules 10.
To sum up, implement the embodiment of the utility model provides a, will have following beneficial effect: the photovoltaic array with the four cables and the inverted arch cables below the photovoltaic modules has excellent supporting efficiency of the photovoltaic modules 50, and can also improve the lateral force resistance. Specifically, the photovoltaic array includes a plurality of four-wire assemblies 20 spaced apart in a second direction on each of the first support assemblies 10. The four-cable assembly 20 is provided with a row of photovoltaic assemblies 50, and the four-cable assembly 20 comprises an upper suspension cable 21 and a lower suspension cable 22 connected with the photovoltaic assemblies 50, and further comprises a first stabilizing cable 23 and a second stabilizing cable 24. Further, the photovoltaic array also includes a bracket assembly 30 and an inverted arch cord 40. Wherein the bracket assembly 30 includes a quadrangular bracket 31 and a first link 32. The quadrangular frames 31 are disposed under the photovoltaic module 50, and the first links 32 are connected between adjacent quadrangular frames 31. Each four-cable assembly 20 can be connected through the bracket assembly 30, and the overall stability of the photovoltaic array is improved. Further, the anti-arch cables 40 are arranged below the four-cable assembly 20, the anti-arch cables 40 extend in the first direction and are connected with the quadrilateral frame 31, the anti-arch cables 40 are in an anti-arch structure which is raised towards the photovoltaic assembly 50, the anti-arch cables 40 are located between adjacent first support assemblies 10, and thus, due to the arrangement of the anti-arch cables 40, a downward pulling force can be provided for the four-cable assembly 20 through the support assemblies 30, so that the photovoltaic array can still maintain good stability when being subjected to a lateral force, and further, the resistance to the lateral force is improved.
In one embodiment, as shown in fig. 2 and 8, the number of the inverted arch cables 40 located under the same four-cable assembly 20 is two and spaced apart in the second direction. Therefore, by arranging the two anti-arch cables 40 arranged at intervals along the second direction, the four-cable assembly 20 can be guaranteed to be stressed in balance while the four-cable assembly 20 is guaranteed to provide a pull-down force, and the four-cable assembly 20 is prevented from being overturned due to the arrangement of the anti-arch cables 40.
In one embodiment, with continued reference to fig. 2 and 8, the first support assembly 10 is provided with a plurality of vertical rods 60, and the ends of the respective arch wires 40 are connected to the lower ends of the respective vertical rods 60 in a one-to-one correspondence. This provides a downward pulling force to the inverted arch wire 40 through the vertical bar 60 while maintaining the inverted arch structure of the inverted arch wire 40 in cooperation with the quadrangular frame 31. The degree of uplift of the inverted arch wire 40 is changed by changing the vertical distance between the lower end of the vertical rod 60 and the quadrangular frame 31. Further, the camber cable 40 can be adjusted by changing the applied pre-stress to change the amount of the pull-down force applied to the four-cable assembly 20, thereby further improving the stability of the photovoltaic array when subjected to a lateral force. Further, the lower ends of the two vertical bars 60 corresponding to the same four-wire assembly 20 are connected to each other by a second link 70. The rigidity of the two vertical rods 60 connected with each other can be improved through the arrangement of the second connecting rod 70, the vertical rods 60 are prevented from being deformed due to the tensile force of the inverted arch cable 40, the prestress attenuation of the inverted arch cable 40 is further avoided, and the stability of the photovoltaic array is improved.
In one embodiment, with continued reference to fig. 2, the photovoltaic array further includes anti-arching tie rods 80, the anti-arching tie rods 80 corresponding to the anti-arching cables 40, the anti-arching tie rods 80 being connected to the intersection of the vertical rod 60 and the second link 70 and being located on a side away from the anti-arching cables 40 to provide tension to the vertical rod 60. Through the arrangement of the inverted arch pull rod 80, the gradual attenuation of the prestress provided by the vertical rod 60 to the inverted arch cable 40 can be further avoided, meanwhile, the rigidity of the vertical rod 60 is improved, the deformation of the vertical rod 60 due to the pulling force of the inverted arch cable 40 is avoided, and the stability of the photovoltaic array is further improved.
In one embodiment, referring to fig. 2 to 4 and 8 together, the first support assembly 10 includes a cross member 11 and a plurality of vertical columns 12 spaced apart from each other in the second direction, the cross member 11 integrally connects the vertical columns 12, and the upper suspension cable 21, the lower suspension cable 22, the first stabilizing cable 23 and the second stabilizing cable 24 are connected to the cross member 11 such that the prestress of the upper suspension cable 21, the lower suspension cable 22, the first stabilizing cable 23 and the second stabilizing cable 24 can be provided through the cross member 11. Further, as shown in fig. 2, a vertical rod 60 is provided on the lower side of the cross member 11. Specifically, the vertical rods 60 are disposed between adjacent columns 12 to improve the force uniformity of the cross beam 11. Further, each of the columns 12 is connected to each of the second links 70 in a one-to-one correspondence. Further, referring to fig. 2 and 3 together, the photovoltaic array further includes a beam tie 13. The beam pull rod 13 is arranged on the beam 11 positioned outside the photovoltaic array and positioned on the side far away from the four-cable assembly 20 so as to provide a pulling force for the beam 11, and further ensure the stability of the prestress provided by the beam 11 to the four-cable assembly 20.
In one embodiment, referring to fig. 4, 5 and 8 together, the upper suspension wire 21, the lower suspension wire 22, the first stabilizing wire 23 and the second stabilizing wire 24 are respectively provided at four corners of the quadrangular frame 31. Specifically, one of the two upper corners (relatively high corner) of the quadrangular frame 31 is connected to the upper suspension wire 21, and the other of the two upper corners (relatively low corner) of the quadrangular frame 31 is connected to the lower suspension wire 22. Thus, the photovoltaic module 50 can be tilted to face the sun to fully capture the light energy, thereby improving the photoelectric conversion efficiency thereof. Further, two lower corners of the quadrangular frame 31 are connected to the first and second stabilizing cables 23 and 24, respectively. The bracket assembly 30 further includes a third link 33, and the third link 33 is connected between adjacent quadrilateral brackets 31 to further increase the rigidity of the bracket assembly 30, and thus the connection stability between the four-wire assemblies 20.
In one embodiment, as shown in fig. 5 and 8, the carriage assembly 30 further includes a fourth link 34 and a fifth link 35. The fourth link 34 is accommodated in the space surrounded by the quadrangular frame 31 and has two ends respectively connected to the quadrangular frame 31 to increase the rigidity of the quadrangular frame 31. Further, the fifth link 35 is accommodated in the space surrounded by the quadrilateral frame 31, the fifth link 35 extends in the second direction, two ends of the fifth link 35 are respectively connected with the quadrilateral frame 31, and two inverted arch cables 40 located below the same four-cable assembly 20 are respectively connected with the junctions of the fifth link 35 and the quadrilateral frame 31, so that the connection stability between the inverted arch cables 40 and the quadrilateral frame 31 is improved.
As shown in fig. 3, the number of the bracket assemblies 30 between the adjacent first support assemblies 10 is four, and each of the bracket assemblies 30 is spaced apart. One of the two upper corners (relatively high corner) of the quadrangular frame 31 is connected to the upper suspension wire 21, and the other of the two upper corners (relatively low corner) of the quadrangular frame 31 is connected to the lower suspension wire 22. Thus, the photovoltaic module 50 can be tilted to face the sun to fully capture the light energy, thereby improving the photoelectric conversion efficiency thereof.
As shown in fig. 6, the number of the bracket assemblies 30 between the adjacent first support assemblies 10 is five, and each of the bracket assemblies 30 is spaced apart. One of the two upper corners (relatively high corner) of the quadrangular frame 31 is connected to the upper suspension wire 21, and the other of the two upper corners (relatively low corner) of the quadrangular frame 31 is connected to the lower suspension wire 22. Thus, the photovoltaic module 50 can be tilted to face the sun to fully capture the light energy, thereby improving the photoelectric conversion efficiency thereof.
As shown in fig. 7, the number of the bracket assemblies 30 between the adjacent first support assemblies 10 is six, and each of the bracket assemblies 30 is spaced apart. One of the two upper corners (relatively high corner) of the quadrangular frame 31 is connected to the upper suspension wire 21, and the other of the two upper corners (relatively low corner) of the quadrangular frame 31 is connected to the lower suspension wire 22. Thus, the photovoltaic module 50 can be tilted to face the sun to fully capture the light energy, thereby improving the photoelectric conversion efficiency thereof.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.