Main beam structure and photovoltaic power generation system

Abstract

The utility model provides a main beam structure and a photovoltaic power generation system, the main beam structure comprises a plurality of main beam sections and a plurality of main beam connecting structures, the plurality of main beam sections are sequentially arranged along the length direction of the main beam structure, and two adjacent main beam sections are fixedly connected through the main beam connecting structures. The main beam connecting structure comprises a sleeve piece and a fastening piece, and the sleeve piece is a tubular piece with the section contour consistent with that of the main beam section. The two ends of the sleeve part are a first connecting end and a second connecting end respectively, the two adjacent main beam sections are a first main beam section and a second main beam section respectively, the first connecting end is arranged on the first main beam section in a sleeving mode and fixedly connected with the first main beam section through a fastener, and the second connecting end is arranged on the second main beam section in a sleeving mode and fixedly connected with the second main beam section through a fastener. The first main beam section and the second main beam section are fixed into a whole through the fastening piece, the fastening piece is a self-drilling tapping screw or a self-plugging rivet, installation is more convenient, and meanwhile the stability of the main beam structure can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation structures, and in particular to a main beam structure and a photovoltaic power generation system. Background Art

[0002] Photovoltaic power generation is a green energy technology that converts solar radiation into direct current. With the improvement of environmental awareness and the transformation of energy structure, photovoltaic power generation has been increasingly widely used around the world and has become an important renewable energy source.

[0003] As a crucial component of photovoltaic power generation systems, photovoltaic mounting systems are seeing increasing market demand alongside the continued expansion of the market. Throughout the development of the photovoltaic industry, efficiency improvement has always been a core pursuit. As key means of improving photovoltaic system efficiency, the development of photovoltaic adjustable mounting systems and tracking mounting systems has also been driven by this demand for efficiency improvements.

[0004] Adjustable supports and tracking supports share a common feature: they both offer adjustable tilt angles. Both utilize one or more driving devices to transmit torque through the main beam to multiple driven devices, achieving angle adjustment. Due to transportation and processing constraints, it's impossible to use a single, continuous main beam for each support assembly. Instead, they are typically assembled in sections, with main beam connectors used for installation. A common method for connecting main beams is to use a clamp structure. Two upper and lower main beam connectors are tightened with bolts to apply pressure, increasing friction between the two main beams and achieving a connection. However, since the main beam connectors are never securely connected to the main beam, excessive torque can easily cause the connection to loosen and break. Another approach involves drilling holes in the clamps and holes at the main beam interface. During installation, bolts are inserted through the holes to secure the main beams to the connectors. While this method addresses stability issues, it increases processing and installation costs. Holes must be drilled in each main beam, and the installation process requires selecting the appropriate main beam. Utility Model Content

[0005] The following is a brief summary of one or more aspects to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceivable aspects and is neither intended to identify key or critical elements of all aspects nor to define the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that will be provided later.

[0006] The purpose of the utility model is to provide a main beam structure, which can improve the technical problems of poor stability of the main beam structure and complicated installation process in the prior art.

[0007] The purpose of the present invention is also to provide a photovoltaic power generation system, which can improve the technical problems existing in the prior art such as poor stability of the main beam structure and complicated installation process.

[0008] The embodiments of the present invention can be implemented in the following ways:

[0009] A main beam structure, comprising a plurality of main beam segments and a plurality of main beam connection structures, wherein the plurality of main beam segments are sequentially arranged along the length direction of the main beam structure, and two adjacent main beam segments are fixedly connected by the main beam connection structure; the main beam connection structure comprises:

[0010] A sleeve member and a fastener, wherein the sleeve member is a tubular member with a cross-sectional profile consistent with the main beam segment; the two ends of the sleeve member are respectively a first connecting end and a second connecting end, and the two adjacent main beam segments are respectively a first main beam segment and a second main beam segment, the first connecting end is sleeved on the first main beam segment and fixedly connected to the first main beam segment via the fastener, and the second connecting end is sleeved on the second main beam segment and fixedly connected to the second main beam segment via the fastener, so as to fix the first main beam segment and the second main beam segment into one.

[0011] The fasteners are drill-tapped self-tapping screws or blind rivets.

[0012] Optionally, the cross-section of the main beam section is square, the sleeve is a square tube with an inner circumference larger than the outer circumference of the main beam section, the first connecting end is sleeved on one end of the first main beam section, and the second connecting end is sleeved on one end of the second main beam section.

[0013] Optionally, the sleeve member has a first wall portion, a second wall portion, a third wall portion and a fourth wall portion connected end to end, and the first wall portion, the second wall portion, the third wall portion and the fourth wall portion are respectively provided with mounting holes, and the mounting holes are for the fasteners to pass through and be fixedly connected to the main beam section.

[0014] Optionally, the mounting hole includes a first mounting hole and a second mounting hole, the first mounting hole is located at the first connecting end, and the fastener installed in the first mounting hole fixedly connects the first connecting end to the first main beam section; the second mounting hole is located at the second connecting end, and the fastener installed in the second mounting hole fixedly connects the second connecting end to the second main beam section.

[0015] Optionally, the first wall portion, the second wall portion, the third wall portion and the fourth wall portion are respectively provided with a plurality of first mounting holes.

[0016] Optionally, the first wall portion, the second wall portion, the third wall portion and the fourth wall portion are respectively provided with a plurality of second mounting holes.

[0017] Optionally, the wall thickness of the sleeve is d, 2mm≤d≤4mm.

[0018] Optionally, the wall thickness d of the sleeve is 3 mm.

[0019] Optionally, the sleeve is made of S450GD-S550GD.

[0020] A photovoltaic power generation system comprises a photovoltaic assembly and the above-mentioned main beam structure, wherein the photovoltaic assembly is mounted on the main beam structure.

[0021] The main beam structure and photovoltaic power generation system provided by the embodiments of the present utility model have the following beneficial effects:

[0022] An embodiment of the present utility model provides a main beam structure, which includes a plurality of main beam sections and a plurality of main beam connection structures. The plurality of main beam sections are sequentially arranged along the length direction of the main beam structure, and two adjacent main beam sections are fixedly connected by the main beam connection structure. The main beam connection structure includes a sleeve member and a fastener. The sleeve member is a tubular member whose cross-sectional profile is consistent with that of the main beam section. The two ends of the sleeve member are respectively a first connection end and a second connection end. The two adjacent main beam sections are respectively a first main beam section and a second main beam section. The first connection end is sleeved with the first main beam section and fixedly connected to the first main beam section by a fastener. The second connection end is sleeved with the second main beam section and fixedly connected to the second main beam section by a fastener, so as to fix the first main beam section and the second main beam section into one. The fastener is a drill-tail self-tapping screw or a core-pulling rivet, which is more convenient to install and helps to ensure the stability of the main beam structure.

[0023] An embodiment of the present invention further provides a photovoltaic power generation system, which includes the above-mentioned main beam structure and thus has the beneficial effects of easy installation and high stability of the main beam structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above features and advantages of the present invention can be better understood after reading the detailed description of the embodiments of the present disclosure in conjunction with the following drawings. In the drawings, the components are not necessarily drawn to scale, and components with similar related properties or characteristics may have the same or similar reference numerals.

[0025] Figure 1 A partial structural schematic diagram of a main beam structure provided according to one aspect of the present utility model is shown;

[0026] Figure 2 A schematic cross-sectional view of a main beam structure provided according to one aspect of the present invention at a first viewing angle is shown;

[0027] Figure 3A schematic cross-sectional view of a main beam structure provided according to one aspect of the present invention at a second viewing angle is shown;

[0028] Figure 4 A structural schematic diagram of a sleeve member in a main beam structure provided according to one aspect of the present utility model is shown.

[0029] Reference numerals:

[0030] 100-main beam structure; 110-main beam section; 111-first main beam section; 112-second main beam section; 120-main beam connection structure; 121-sleeve member; 122-first wall portion; 123-second wall portion; 124-third wall portion; 125-fourth wall portion; 126-first connecting end; 127-second connecting end; 128-mounting hole; 129-first mounting hole; 131-second mounting hole; 132-fastener. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the various aspects described below with reference to the accompanying drawings and specific embodiments are merely exemplary and should not be construed as limiting the scope of protection of the present invention.

[0032] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inner", "outer", "vertical" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the product of the utility model is usually placed when in use, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] At the same time, it should be noted that the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0034] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connection, integral connection, or detachable connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0035] Figure 1 A partial structural diagram of the main beam structure 100 provided in this embodiment, Figure 2 This is a schematic cross-sectional view of the main beam structure 100 provided in this embodiment at a first viewing angle. Figure 3 A schematic cross-sectional view of the main beam structure 100 provided in this embodiment at a second viewing angle is shown. Figure 4 This is a structural diagram of the sleeve member 121 in the main beam structure 100 provided in this embodiment. Figures 1-4 , this embodiment provides a main beam structure 100 and also provides a photovoltaic power generation system.

[0036] The photovoltaic power generation system includes the aforementioned main beam structure 100 and photovoltaic modules (not shown), which convert light energy into electrical energy. The modules are mounted on and supported by the main beam structure 100. If the photovoltaic power generation system utilizes a photovoltaic tracking mount, the modules rotate with the main beam structure 100 to adjust their angle to the sun.

[0037] The main beam structure 100 includes a plurality of main beam segments 110 and a plurality of main beam connection structures 120. The plurality of main beam segments 110 are arranged in sequence along the length of the main beam structure 100, and two adjacent main beam segments 110 are fixedly connected by the main beam connection structures 120. The main beam connection structures 120 include sleeves 121 and fasteners 132. The sleeves 121 are tubular members with a cross-sectional profile consistent with that of the main beam segments 110. The two ends of the sleeve member 121 are respectively the first connecting end 126 and the second connecting end 127, and the two adjacent main beam sections 110 are respectively the first main beam section 111 and the second main beam section 112. The first connecting end 126 is sleeved on the first main beam section 111 and fixedly connected to the first main beam section 111 through a fastener 132, and the second connecting end 127 is sleeved on the second main beam section 112 and fixedly connected to the second main beam section 112 through a fastener 132, so as to fix the first main beam section 111 and the second main beam section 112 as a whole. The fastener 132 is a drill-tail self-tapping screw or a blind rivet. In this way, when the main beam section 110 is not opened, the main beam section 110 can be locked and fixed on the sleeve member 121 by passing the fastener 132 through the wall surface of the main beam section 110, which is convenient for installation and helps to ensure the stability of the main beam structure 100.

[0038] Specifically, the drill tail self-tapping screw can be an external hexagonal drill tail self-tapping screw, and the blind rivet can be a stainless steel blind rivet.

[0039] The main beam structure 100 provided in this embodiment is further described below:

[0040] Please continue to refer to Figures 1-4 In this embodiment, the main beam structure 100 includes a plurality of main beam sections 110, and the plurality of main beam sections 110 are sequentially arranged along the length direction to form the main beam structure 100. For the sake of convenience, as shown in FIG. Figure 1The figure shows the structure of the connection between two adjacent main beam sections 110, which are the first main beam section 111 and the second main beam section 112. The end of the first main beam section 111 close to the second main beam section 112 is fixedly connected to the end of the second main beam section 112 close to the first main beam section 111 via a main beam connection structure 120. It can be understood that in the main beam structure 100, the end of the first main beam section 111 away from the second main beam section 112 will be connected to the other main beam section 110 via another main beam connection structure 120. Similarly, the end of the second main beam section 112 away from the first main beam section 111 will be connected to the other main beam section 110 via another main beam connection structure 120. The two adjacent main beam sections 110 are arranged end-to-end aligned at the connection.

[0041] Optionally, the main beam structure 100 is a hollow rod-shaped member with a square cross-section. Accordingly, the main beam section 110 has a square cross-section, and the sleeve member 121 is a square tube with an inner circumference larger than the outer circumference of the main beam section 110. In this way, the first connecting end 126 is sleeved on one end of the first main beam section 111, and the inner circumferential wall surface of the first connecting end 126 can almost fit the outer wall of the first main beam section 111. Similarly, the second connecting end 127 is sleeved on one end of the second main beam section 112, and the inner circumferential wall surface of the second connecting end 127 can almost fit the outer wall of the second main beam section 112. It is understandable that in other embodiments, when the main beam structure 100 needs to be set to other cross-sectional shapes, the cross-sectional shapes of the main beam section 110 and the sleeve member 121 can also be adjusted accordingly.

[0042] like Figure 4 As shown, in this embodiment, the sleeve member 121 includes a first wall portion 122, a second wall portion 123, a third wall portion 124, and a fourth wall portion 125 connected end to end. The end-to-end connection of the first wall portion 122, the second wall portion 123, the third wall portion 124, and the fourth wall portion 125 forms a circumferentially closed tubular member with two axial ends open. A first connecting end 126 is formed by one axial end of the first wall portion 122, the second wall portion 123, the third wall portion 124, and the fourth wall portion 125, or the first connecting end 126 can also be considered the portion of the sleeve member 121 that is sleeved around the first main beam section 111. A second connecting end 127 is formed by one axial end of the first wall portion 122, the second wall portion 123, the third wall portion 124, and the fourth wall portion 125, or the second connecting end 127 can also be considered the portion of the sleeve member 121 that is sleeved around the second main beam section 112. Specifically, the sleeve member 121 is an integrally formed structure.

[0043] The first wall portion 122, the second wall portion 123, the third wall portion 124 and the fourth wall portion 125 are respectively provided with mounting holes 128, and the mounting holes 128 are for fasteners 132 to pass through and fixedly connected to the main beam section 110. In this way, each circumferential wall surface of the sleeve member 121 is fixedly connected to the main beam section 110 through the fasteners 132, and the connection between the sleeve member 121 and the main beam section 110 is tighter and more reliable.

[0044] Furthermore, the mounting holes 128 include a first mounting hole 129 and a second mounting hole 131. The first mounting hole 129 is located at the first connecting end 126. A fastener 132 installed in the first mounting hole 129 securely connects the first connecting end 126 to the first main beam section 111. The second mounting hole 131 is located at the second connecting end 127. The fastener 132 installed in the second mounting hole 131 securely connects the second connecting end 127 to the second main beam section 112.

[0045] Optionally, the first wall portion 122, the second wall portion 123, the third wall portion 124, and the fourth wall portion 125 are respectively provided with a plurality of first mounting holes 129. In this way, the first wall portion 122 can be fastened to the first main beam section 111 via a plurality of fasteners 132, the second wall portion 123 can be fastened to the first main beam section 111 via a plurality of fasteners 132, the third wall portion 124 can be fastened to the first main beam section 111 via a plurality of fasteners 132, and the fourth wall portion 125 can be fastened to the first main beam section 111 via a plurality of fasteners 132.

[0046] Optionally, the first wall portion 122, the second wall portion 123, the third wall portion 124, and the fourth wall portion 125 are respectively provided with a plurality of second mounting holes 131. In this way, the first wall portion 122 can be fastened to the second main beam section 112 via a plurality of fasteners 132, the second wall portion 123 can be fastened to the second main beam section 112 via a plurality of fasteners 132, the third wall portion 124 can be fastened to the second main beam section 112 via a plurality of fasteners 132, and the fourth wall portion 125 can be fastened to the second main beam section 112 via a plurality of fasteners 132.

[0047] It should be noted that there is no restriction on the opening positions of the first mounting hole 129 and the second mounting hole 131. It is understandable that in other embodiments, the positions of the first mounting hole 129 and the second mounting hole 131 can also be set as needed, for example, the first mounting hole 129 is only set on the first wall portion 122 and the third wall portion 124, and the second mounting hole 131 is only set on the second wall portion 123 and the fourth wall portion 125.

[0048] In this embodiment, the wall thickness of the sleeve member 121 is d, 2mm≤d≤4mm. Because the connection reliability of the sleeve member 121 and the main beam section 110 is sufficiently high, the wall thickness of the sleeve member 121 can be significantly reduced compared to the connection structure in the prior art, thereby helping to reduce the weight of the main beam structure 100 and making the support and rotation drive of the main beam structure 100 more convenient. Optionally, in this embodiment, the wall thickness d of the sleeve member 121 is 3mm. It is understood that in other embodiments, other thicknesses can also be used as required, for example, the wall thickness d of the sleeve member 121 can be set to 2mm or 4mm.

[0049] In this embodiment, the material of the sleeve 121 is S450GD-S550GD.

[0050] When assembling the main beam structure 100 provided by the embodiment of the present invention, the sleeve member 121 is first sleeved on one of the main beam sections 110, and then fastened using external hexagonal drill self-tapping screws or stainless steel blind rivets through the mounting holes 128 on the sleeve member 121. After fastening, the other main beam section 110 is inserted into the sleeve member 121 and fastened using fasteners 132. The main beam structure 100 and the photovoltaic power generation system are sleeved on the two main beam sections 110 to be connected through the sleeve member 121, and external hexagonal drill self-tapping screws or stainless steel blind rivets are used as fasteners 132 to fasten the sleeve member 121 to the main beam section 110, which effectively increases the stability of the main beam structure and helps reduce processing costs and material costs.

[0051] The above is only a specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with the technology in this field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A main beam structure, comprising a plurality of main beam segments and a plurality of main beam connection structures, wherein the plurality of main beam segments are sequentially arranged along the length direction of the main beam structure, and two adjacent main beam segments are fixedly connected by the main beam connection structure; characterized in that: The main beam connection structure includes: A sleeve member and a fastener, wherein the sleeve member is a tubular member with a cross-sectional profile consistent with the main beam segment; the two ends of the sleeve member are respectively a first connecting end and a second connecting end, and the two adjacent main beam segments are respectively a first main beam segment and a second main beam segment, the first connecting end is sleeved on the first main beam segment and fixedly connected to the first main beam segment via the fastener, and the second connecting end is sleeved on the second main beam segment and fixedly connected to the second main beam segment via the fastener, so as to fix the first main beam segment and the second main beam segment into one. The fasteners are drill-tapped self-tapping screws or blind rivets.

2. The main beam structure according to claim 1, characterized in that: The cross-section of the main beam section is square, and the sleeve is a square tube with an inner circumference larger than the outer circumference of the main beam section. The first connecting end is sleeved on one end of the first main beam section, and the second connecting end is sleeved on one end of the second main beam section.

3. The main beam structure according to claim 2, characterized in that: The sleeve member has a first wall portion, a second wall portion, a third wall portion and a fourth wall portion connected end to end, and the first wall portion, the second wall portion, the third wall portion and the fourth wall portion are respectively provided with mounting holes, and the mounting holes are for the fasteners to pass through and fixedly connected to the main beam section.

4. The main beam structure according to claim 3, characterized in that: The mounting holes include a first mounting hole and a second mounting hole, the first mounting hole is located at the first connecting end, and the fastener installed in the first mounting hole fixedly connects the first connecting end to the first main beam section; the second mounting hole is located at the second connecting end, and the fastener installed in the second mounting hole fixedly connects the second connecting end to the second main beam section.

5. The main beam structure according to claim 4, characterized in that: A plurality of first mounting holes are respectively provided on the first wall portion, the second wall portion, the third wall portion, and the fourth wall portion.

6. The main beam structure according to claim 4, characterized in that: A plurality of second mounting holes are respectively provided on the first wall portion, the second wall portion, the third wall portion, and the fourth wall portion.

7. The main beam structure according to claim 1, characterized in that: The wall thickness of the sleeve is d, 2mm≤d≤4mm.

8. The main beam structure according to claim 7, characterized in that: The wall thickness d of the sleeve is 3 mm.

9. The main beam structure according to any one of claims 1 to 8, characterized in that: The material of the sleeve is S450GD-S550GD.

10. A photovoltaic power generation system, characterized in that: The photovoltaic power generation system includes a photovoltaic module and a main beam structure according to any one of claims 1 to 9, and the photovoltaic module is installed on the main beam structure.

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