Telescopic purline structure of photovoltaic module and photovoltaic system

Abstract

The utility model discloses a telescopic purline structure of a photovoltaic module and a photovoltaic system, and the structure comprises a plurality of first purline sections which are fixedly overlapped with each other, and a second purline section which is fixedly overlapped with the end part of the first purline section at the tail end position. The first purline section has a first standard length set according to the size of the photovoltaic module, the second purline section has a second standard length, and the end parts of the first purline section are lapped and fixed according to a fixed length; the end parts of the second purline section and the adjacent first purline section are lapped and fixed according to an adjustable lapping length mode, and the adjusting range of the adjustable lapping length covers the assembly deviation range of the photovoltaic module; according to the utility model, by arranging the second purline section with the adjustable lap joint length, the overall length of the formed purline can be dynamically adjusted, so that the length of the purline can be ensured to be matched with the assembly of the photovoltaic module after the photovoltaic module is installed.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic module installation technology, specifically to a retractable purlin structure for photovoltaic modules and a photovoltaic system. Background Technology

[0002] During the installation of photovoltaic carports, purlins need to be installed on the carports to fix the photovoltaic modules. Due to the inconsistent specifications of the carports themselves and the different installation errors of different personnel, it is common for the modules to be installed beyond the length of the purlins or for the purlins to protrude. After actual installation, some purlins may extend beyond the edge of the modules by inconsistent lengths, which affects the construction effect. Utility Model Content

[0003] Technical objective: To address the shortcomings of existing photovoltaic carport installations, this utility model discloses a telescopic purlin structure for photovoltaic modules and a photovoltaic system that can adjust its length as the photovoltaic modules are assembled.

[0004] Technical solution: To achieve the above technical objectives, the present invention adopts the following technical solution:

[0005] A retractable purlin structure for photovoltaic modules includes several first purlin segments that are interlocked and fixed together, and second purlin segments that are interlocked and fixed to the ends of the first purlin segments at their ends. The first purlin segments have a first standard length set according to the size of the photovoltaic module, and the second purlin segments have a second standard length. The ends of the first purlin segments are interlocked and fixed together with a fixed length, and the ends of the second purlin segments are interlocked and fixed to the ends of adjacent first purlin segments with an adjustable overlap length. The adjustment range of the adjustable overlap length covers the assembly deviation range of the photovoltaic module.

[0006] Preferably, the second purlin segment of this utility model is fixed to the first purlin segment by through bolts. The first purlin segment is provided with fixing bolt holes, and the second purlin segment is provided with a plurality of connecting bolt holes along the length direction for cooperating with the fixing bolt holes. The overall length of the purlin is adjusted by changing the position of the connecting bolt holes corresponding to the fixing bolt holes.

[0007] Preferably, the second purlin segment of this invention is slidably connected to the contact surface of the corresponding first purlin segment.

[0008] Preferably, the length of the second purlin segment extending beyond the overlapping first purlin segment is less than the width of the installed photovoltaic module.

[0009] Preferably, the overlapping areas of the same first purlin segment of this utility model are on the same side surface.

[0010] This utility model also discloses a photovoltaic system using the above-mentioned telescopic purlin structure for photovoltaic modules. The telescopic purlin structure is arranged side by side to form a support surface for supporting photovoltaic modules. A water guide groove is arranged on the support surface along the length direction perpendicular to the purlin. The water guide groove is fixed on the purlin, and the photovoltaic module is fixed on the water guide groove.

[0011] Preferably, the water guide channels of this utility model are arranged on the purlins at intervals according to the width of the photovoltaic modules, and each side of the same photovoltaic module is fixedly connected to a water guide channel.

[0012] Preferably, the two water guide channels connected to the photovoltaic module at the end of the purlin are respectively located on the second purlin section and the adjacent first purlin section.

[0013] Beneficial Effects: The retractable purlin structure for photovoltaic modules and the photovoltaic system disclosed in this utility model have the following beneficial effects:

[0014] 1. By setting a second purlin segment with adjustable overlap length, this utility model can dynamically adjust the overall length of the formed purlin, thereby ensuring that the length of the purlin matches the assembly of the photovoltaic module after installation.

[0015] 2. This utility model adjusts the purlin length by changing the position of the matching bolt holes, thereby maintaining the stability and reliability of the connection, ensuring the structural strength of the overlap, and achieving stable support for the photovoltaic module.

[0016] 3. The second purlin segment of this utility model adopts a sliding fit with the first purlin segment. By setting the length of the second purlin segment, it is ensured that one end of the connected photovoltaic module is on the first purlin segment and the other end is on the second purlin segment. The frame structure of the photovoltaic module can be used to assist in limiting the sliding position, and the sliding adjustment method can improve the flexibility of purlin length adjustment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0018] Figure 1 This is a schematic diagram of the purlin structure of this utility model;

[0019] Figure 2 This is a top view of the photovoltaic system of this utility model;

[0020] Figure 3 This is a front view of the photovoltaic system of this utility model;

[0021] Among them, 1-first purlin section, 2-second purlin section, 3-photovoltaic module, 4-water guide channel. Detailed Implementation

[0022] Reference will now be made in detail to embodiments of the present disclosure, one or more of which are set forth herein. Each embodiment and example is provided by way of explanation of the apparatus, composition, and materials of the present disclosure, and not by way of limitation. Rather, the following description provides convenient illustrations for implementing exemplary embodiments of the present disclosure. Indeed, it will be apparent to those skilled in the art that various modifications and variations can be made to the teachings of the present disclosure without departing from the scope or spirit of the present disclosure.

[0023] like Figures 1-3 As shown, this utility model discloses a telescopic purlin structure for photovoltaic modules, including several first purlin segments 1 that are interlocked and fixed together, and second purlin segments 2 that are interlocked and fixed to the ends of the first purlin segments 1. The first purlin segments 1 have a first standard length set according to the size of the photovoltaic module 3, and the second purlin segments 2 have a second standard length. The ends of the first purlin segments 1 are interlocked and fixed together with a fixed length, and the interlocking areas of the same first purlin segment 1 are on the same side surface, thereby avoiding skewing after long-distance interlocking. The ends of the second purlin segments 2 and the adjacent first purlin segments 1 are interlocked and fixed together with an adjustable interlocking length. The adjustment range of the adjustable interlocking length covers the assembly deviation range of the photovoltaic module 3. The assembly deviation range can be set by data statistics or estimation to ensure that the adjustment requirements for the purlin length during installation can be met.

[0024] This invention provides two implementation methods for adjustable overlap length. The second purlin segment 2 and the first purlin segment 1 are fixed together by through bolts. Fixed bolt holes are provided on the first purlin segment 1, and several connecting bolt holes for cooperating with the fixed bolt holes are provided on the second purlin segment 2 along its length. By changing the position of the connecting bolt holes corresponding to the fixed bolt holes, the overall length of the purlin can be adjusted. By fixing with through bolts, the structural strength of the overlap can be guaranteed while meeting the length adjustment requirements.

[0025] For applications requiring high installation and assembly precision, simply changing the position of the bolt holes results in inaccurate adjustments due to the bolt hole spacing. Therefore, this invention features a sliding fit between the contact surfaces of the second purlin segment 2 and the corresponding first purlin segment 1. The length of the second purlin segment 2 extending beyond the overlapping end of the first purlin segment 1 is less than the width of the installed photovoltaic module 3. This ensures that during photovoltaic module installation, one end of the photovoltaic module on the second purlin segment is on the second purlin segment 2, while the other end is on the first purlin segment. This utilizes the photovoltaic module's own frame structure to limit purlin length adjustments, balancing flexibility with structural reliability after length adjustment.

[0026] like Figure 2 and Figure 3 As shown, this utility model also discloses a photovoltaic system using the aforementioned telescopic purlin structure for photovoltaic modules. The telescopic purlin structure is arranged side by side to form a support surface for supporting photovoltaic modules 3. Water guide grooves 4 are arranged on the support surface along the length direction perpendicular to the purlin. The water guide grooves 4 are fixed on the purlin, and the photovoltaic modules 3 are fixed on the water guide grooves 4. The water guide grooves 4 of this utility model are arranged on the purlin at intervals according to the width of the photovoltaic modules 3. Each side of the same photovoltaic module 3 is fixedly connected to a water guide groove 4. In the scenario where the second purlin segment 2 and the first purlin segment 1 are slidably arranged, the two water guide grooves 4 connected to the photovoltaic module 3 at the end of the purlin are respectively arranged on the second purlin segment 2 and the adjacent first purlin segment 1 to ensure that the telescopic area can be limited by the photovoltaic module.

[0027] By using the telescopic purlin structure of this utility model, it is easy to install and fix photovoltaic modules on site. At the same time, the overall installation effect is also very beautiful, and there will be no situation where the design is too long and the end protrudes too much, or too short and cannot be installed.

Claims

1. A photovoltaic module scalable purlin structure, characterized by, It includes several first purlin segments (1) that are fixed to each other and second purlin segments (2) that are fixed to each other at the end of the first purlin segments (1). The first purlin segments (1) have a first standard length set according to the size of the photovoltaic module (3), and the second purlin segments (2) have a second standard length. The ends of the first purlin segments (1) are fixed to each other with a fixed length, and the ends of the second purlin segments (2) and the adjacent first purlin segments (1) are fixed to each other with an adjustable overlap length. The adjustment range of the adjustable overlap length covers the assembly deviation range of the photovoltaic module (3).

2. A photovoltaic module racking structure according to claim 1, wherein, The second purlin segment (2) is fixed to the first purlin segment (1) by bolts. Fixed bolt holes are provided on the first purlin segment (1), and several connecting bolt holes for matching the fixed bolt holes are provided on the second purlin segment (2) along the length direction. The overall length of the purlin is adjusted by changing the position of the connecting bolt holes corresponding to the fixed bolt holes.

3. A photovoltaic module racking structure according to claim 1, wherein, The second purlin segment (2) and the corresponding first purlin segment (1) are connected by a sliding fit.

4. A photovoltaic module racking structure according to claim 3, wherein, The length of the end of the second purlin segment (2) extending beyond the end of the overlapping first purlin segment (1) is less than the width of the installed photovoltaic module (3).

5. A photovoltaic module racking structure according to claim 1, wherein, The overlapping areas of the same first purlin segment (1) are on the same side surface.

6. A photovoltaic system using the telescopic purlin structure of a photovoltaic module as described in any one of claims 1-5, characterized in that, The retractable purlin structure is arranged side by side to form a support surface for supporting the photovoltaic module (3). A water guide groove (4) is arranged on the support surface along the length direction perpendicular to the purlin. The water guide groove (4) is fixed on the purlin, and the photovoltaic module (3) is fixed on the water guide groove (4).

7. A photovoltaic system according to claim 6, wherein, The water guide channels (4) are arranged on the purlins at intervals according to the width of the photovoltaic modules (3), and each side of the same photovoltaic module (3) is fixedly connected to a water guide channel (4).

8. A photovoltaic system according to claim 7, wherein, The two water channels (4) connected to the photovoltaic module (3) located at the end of the purlin are respectively located on the second purlin section (2) and the adjacent first purlin section (1).

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