Integral tensioning type roof photovoltaic structure
The overall tensioned roof photovoltaic structure solves the structural stability problem of traditional supports in windy areas through the design of multi-directional cables and diagonal bracing components, achieving a combination of improved wind resistance and ease of installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-30
- Publication Date
- 2026-04-21
AI Technical Summary
Traditional rooftop photovoltaic (PV) brackets are prone to bending of the keel, loosening of foundation connectors, and even detachment of PV modules in windy areas due to concentrated wind loads.
The roof photovoltaic structure adopts an integral tensioned structure. Through the synergistic effect of the first vertical cable, the second vertical cable, the first inclined cable, the second inclined cable, and the third inclined cable, strong wind loads are dispersed. Combined with the rigid and flexible design of the inclined bracing components and the stability of the combined cross frame, a dynamic force network is formed, which automatically adjusts the angle of the components.
It effectively avoids structural damage, improves wind resistance and structural durability, enhances installation flexibility and maintenance convenience, and reduces construction difficulty and maintenance costs.
Smart Images

Figure CN121907121A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of roof photovoltaic structure technology, specifically an integral tension roof photovoltaic structure. Background Technology
[0002] Rooftop photovoltaic (PV) structures are systematic engineering structures installed on the roof of buildings to convert solar energy into electrical energy. Their core functions combine power generation and building envelope properties. Based on the installation method and the degree of building integration, they can be divided into two main types: BAPV (Building Add-on PV) and BIPV (Building Integrated PV).
[0003] In coastal areas and other regions with frequent strong winds, rooftop photovoltaic (PV) systems often face the impact of sudden gusts and sustained strong winds. Traditional systems are prone to bending of the keel, loosening of foundation connectors, and even detachment of PV modules due to concentrated wind loads. To address this, we propose a rooftop PV system that can adjust the angle of the modules and act as a whole during strong winds. Summary of the Invention
[0004] The purpose of this invention is to provide an integral tensile roof photovoltaic structure to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: an integral tensioned roof photovoltaic structure, comprising a base frame component, a first vertical cable, a second vertical cable, a first inclined cable, a second inclined cable, and a third inclined cable. A support component is vertically installed at the top center of the base frame component, and an inclined brace component is connected to the top of the support component. A combined crossbeam is horizontally connected to both the front and rear ends of the side of the inclined brace component. The first and second vertical cables are symmetrically vertically connected between the top of the front and rear sections of the base frame component and the bottom of the front and rear ends of the inclined brace component. The first inclined cable is symmetrically diagonally connected between the bottom front end of the inclined brace component and the lower end of the second vertical cable. The base frame component, support component, and inclined brace component are all symmetrically arranged about the vertical central axis of the combined crossbeam. A set of second inclined cables is diagonally connected between the bottom front end of a set on the left side of the inclined brace component and the top front end of a set on the right side of the base frame component. A set of third inclined cables is diagonally connected between the bottom rear end of a set on the left side of the inclined brace component and the top rear end of a set on the right side of the base frame component.
[0006] Preferably, the base frame components include a base frame body, support piles, fixed corner brackets, and first connecting lifting rings. The support piles are integrally provided in the middle of the base frame body, and four sets of fixed corner brackets are arranged and installed on both the left and right sides of the base frame body. The first connecting lifting rings are symmetrically installed on the top of both the front and rear ends of the base frame body. The first connecting lifting rings are threadedly connected to the base frame body. The bottom of the fixed corner brackets has multiple sets of holes for bolt installation and fixing.
[0007] Preferably, the supporting component includes a column, an arc-shaped diagonal brace, and a supporting corner seat. The arc-shaped diagonal brace slides through the middle of the column, and the tops of both ends of the arc-shaped diagonal brace are connected to the supporting corner seat.
[0008] Preferably, the arc-shaped diagonal brace and the support corner seat are welded together, and the top of the support corner seat has multiple sets of holes for bolt installation and fixing. Holes for bolt installation and fixing are provided between the top four opposite corners of the support pile and the bottom four opposite corners of the column. The support corner seat is used to fix and support the arc-shaped diagonal brace at both ends and is installed at the bottom of the diagonal brace component.
[0009] Preferably, the diagonal brace includes a diagonal brace body, a damping joint, a second connecting ring, a first combined end, a second combined end, and an assembly angle seat. The damping joint is installed in the middle of the bottom of the diagonal brace body, and the second connecting ring is symmetrically threaded on the bottom of both the front and rear ends of the diagonal brace body. The first combined end and the second combined end are integrally and symmetrically arranged in the middle of the left and right sides of the diagonal brace body, and the assembly angle seat is installed on the left and right sides of both the front and rear ends of the diagonal brace body.
[0010] Preferably, the top surface of the mounting bracket is provided with an array of holes for bolt installation and fixing to facilitate the connection and installation of the photovoltaic panel, and holes for bolt installation and fixing are provided between the four opposite corners of the bottom of the damping joint and the four opposite corners of the top of the column.
[0011] Preferably, both ends of the combined crossbeam are threadedly connected to the first combined end and the second combined end for connecting and assembling the left and right diagonal bracing components, and the second connecting ring and the first connecting ring have the same structure.
[0012] Preferably, both ends of the first vertical cable, the second vertical cable, the first inclined cable, the second inclined cable, and the third inclined cable are provided with movable ring structures. The first vertical cable, the second vertical cable, and the first inclined cable are used for the vertical and inclined structural stability between the base frame components and the inclined bracing components. The second inclined cable and the third inclined cable are used for the inclined structural stability between the left and right sets of base frame components and the inclined bracing components.
[0013] Compared with existing technologies, the beneficial effects of this invention are as follows: This integral tensioned roof photovoltaic structure, through the arrangement and use of a first vertical cable, a second vertical cable, a first inclined cable, a second inclined cable, and a third inclined cable, effectively disperses the impact force of strong wind loads on the roof photovoltaic structure through the synergistic effect of each cable, avoiding structural damage caused by local stress concentration. Specifically, the first and second vertical cables enhance the longitudinal stability of the base frame components and inclined bracing components through vertical tension, preventing the keel from bending and deforming under strong winds; the inclined support formed by the first inclined cable can offset part of the horizontal wind force, reducing the risk of loosening of the foundation connectors; the second and third inclined cables, through a cross-diagonal design, connect the left and right sets of base frame components and inclined bracing components into an integral force-bearing system. When encountering instantaneous gusts, the elastic deformation of the cables can absorb part of the impact energy, and at the same time, the micro-adjustment function of the interlocking structure automatically adjusts the component angle, preventing the photovoltaic panels from being overturned or falling off due to wind pressure differences. This tensioned structure, through the mechanical balance of multi-directional cables, enables the entire roof photovoltaic system to form a dynamically stable force network, significantly improving wind resistance and structural durability. This integrated tensioned roof photovoltaic structure incorporates diagonal bracing components. One key aspect is the dynamic balance between structural rigidity and flexibility achieved through the combined design of the bracing body and damping joints. Specifically, the damping joints utilize highly elastic rubber, allowing for controlled deformation under strong winds and effectively buffering wind impact. The bracing body is made of high-strength aluminum alloy, with optimized cross-sectional shape enhancing bending stiffness to ensure structural stability under normal operating conditions. This balanced design allows the bracing components to withstand daily gravity loads while releasing wind pressure energy through the elastic deformation of the damping joints in extreme weather conditions, preventing the risk of fracture due to stress concentration in rigid structures. Furthermore, the standardized hole design of the mounting brackets on both sides of the bracing components accommodates different photovoltaic panel sizes. Adjusting the bolt fixing positions enables quick assembly / disassembly and angle fine-tuning of the photovoltaic modules, significantly improving the installation flexibility and maintenance convenience of the roof photovoltaic system. Additionally, the collaborative use of the combined crossbeams not only strengthens the connection between the left and right diagonal bracing components but also provides a wider installation surface for the photovoltaic panels through its horizontal extension characteristics. The modular crossbeams are constructed from high-strength steel with an anti-corrosion surface treatment, ensuring structural stability and durability in long-term outdoor environments. Its unique threaded connection design simplifies and speeds up installation while guaranteeing the strength and reliability of the connections. In strong winds, the modular crossbeams, along with the diagonal bracing and base components, form a stable triangular load-bearing system, effectively dispersing the impact of wind on the roof photovoltaic structure and further enhancing overall wind resistance.
[0014] This integrated tensioned rooftop photovoltaic structure comprises foundation components and supporting components. One key feature is the modular design of these components, enabling rapid deployment and structural optimization of the rooftop photovoltaic system. Specifically, the foundation components utilize an integrated molding technology for the base frame and support piles. Rigid connections to the building roof via pre-embedded support piles ensure the overall structure's pull-out resistance. The fixed corner brackets on both sides of the base frame feature elongated hole designs to accommodate different roof slopes, and reliable anchoring to the roof structure is achieved through bolt sets. The support components' columns and curved braces employ a sliding fit structure. The curved braces allow for angle adjustment within a certain range at the center of the column. Combined with the multi-hole design of the support corner brackets, this not only meets the optimal tilt angle installation requirements of the photovoltaic panels but also releases structural stress caused by thermal expansion and contraction through the elastic deformation of the curved braces. This modular design effectively shortens the installation time of individual photovoltaic units, and the standardized interfaces between components allow for interchangeability, significantly reducing on-site construction difficulty and subsequent maintenance costs. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the axial side view of the main body of the device of the present invention; Figure 2 This is a schematic diagram of the axial side view of the main body of the device of the present invention; Figure 3 This is a three-dimensional structural diagram of the base components of the device of the present invention; Figure 4 This is a three-dimensional structural diagram of the supporting component of the device of the present invention; Figure 5 This is a three-dimensional structural diagram of the diagonal bracing component of the device of the present invention; Figure 6 This is a schematic diagram of the combined crossbeam three-dimensional structure of the device of the present invention.
[0016] In the diagram: 1. Base frame components; 101. Main body of the base frame; 102. Support piles; 103. Fixed corner brackets; 104. First connecting lifting ring; 2. Support components; 201. Columns; 202. Arc-shaped diagonal braces; 203. Support corner brackets; 3. Diagonal brace components; 301. Diagonal brace main body; 302. Damping joint; 303. Second connecting lifting ring; 304. First combined end; 305. Second combined end; 306. Assembly corner brackets; 4. Combined cross frame; 5. First vertical cable; 6. Second vertical cable; 7. First diagonal cable; 8. Second diagonal cable; 9. Third diagonal cable. Detailed Implementation
[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0018] Please see Figure 1-6 This invention provides a technical solution: an integral tensioned roof photovoltaic structure, comprising a base frame 1, a first vertical cable 5, a second vertical cable 6, a first inclined cable 7, a second inclined cable 8, and a third inclined cable 9. A support member 2 is vertically installed at the top center of the base frame 1, and an inclined brace member 3 is connected to the top of the support member 2. Furthermore, a combined crossbeam 4 is horizontally connected to both the front and rear ends of the inclined brace member 3. The first vertical cable 5 and the second vertical cable 6 are symmetrically and vertically connected to the top of the front and rear sections of the base frame 1 and the bottom of the front and rear ends of the inclined brace member 3. Between them, the first inclined cable 7 is symmetrically connected diagonally to the bottom front end of the inclined brace 3 and the lower end of the second vertical cable 6. The base frame component 1, the support component 2, and the inclined brace component 3 are all symmetrically arranged with the vertical central axis of the combined cross frame 4 as the axis of symmetry. A set of second inclined cables 8 is diagonally connected between the bottom front end of the left set of inclined brace component 3 and the top front end of the right set of base frame component 1. A set of third inclined cables 9 is diagonally connected between the bottom rear end of the left set of inclined brace component 3 and the top rear end of the right set of base frame component 1. The base frame component 1 includes the base frame body 10. 1. Support pile 102, fixed corner bracket 103, and first connecting lifting ring 104. The support pile 102 is integrally installed in the middle of the base frame body 101. Four sets of fixed corner brackets 103 are arranged on both the left and right sides of the base frame body 101. First connecting lifting rings 104 are symmetrically installed on the top of both the front and rear ends of the base frame body 101. The first connecting lifting rings 104 and the base frame body 101 are threaded together. The bottom of the fixed corner bracket 103 has multiple sets of holes for bolt installation. The support component 2 includes a column 201, an arc-shaped diagonal brace 202, and... The support corner seat 203 and the column 201 are slidably connected by an arc-shaped diagonal brace 202 through the middle. The top of both ends of the arc-shaped diagonal brace 202 are connected to the support corner seat 203. The arc-shaped diagonal brace 202 and the support corner seat 203 are welded together. The top of the support corner seat 203 has multiple sets of holes for bolt installation and fixing. The top four corners of the support pile 102 and the bottom four corners of the column 201 are all provided with holes for bolt installation and fixing. The support corner seat 203 is used to fix and support the arc-shaped diagonal brace 202 at both ends and is installed at the bottom of the diagonal brace component 3.
[0019] When using this integral tensile roof photovoltaic structure, such as Figure 1 and Figure 6As shown, firstly, based on the actual dimensions and slope of the building roof, a suitable specification of the base frame component 1 is selected for pre-installation. The main body 101 of the base frame is rigidly connected to the roof structure through support piles 102. Utilizing the elongated hole design of the fixed corner bracket 103, reliable anchoring to the roof structure is achieved through bolt sets, ensuring the stability of the base frame component 1 on the roof. Subsequently, the bottom of the column 201 of the support component 2 is bolted to the top of the support pile 102, completing the initial assembly of the base frame component 1 and the support component 2.
[0020] Next, the curved brace 202 is installed. The curved brace 202 is slidably inserted through the middle of the column 201. Based on the optimal tilt angle requirements of the photovoltaic panel, the position of the curved brace 202 on the column 201 is adjusted. Using the multi-hole design of the support bracket 203, bolts are used to securely install the curved brace 202 at both ends to the bottom of the brace component 3. This step ensures that the support component 2 provides stable support for the brace component 3 while meeting the angle requirements for photovoltaic panel installation.
[0021] Meanwhile, the diagonal bracing component 3 includes a diagonal bracing body 301, a damping joint 302, a second connecting ring 303, a first combined end 304, a second combined end 305, and an assembly corner seat 306. The damping joint 302 is installed in the middle of the bottom of the diagonal bracing body 301, and the second connecting ring 303 is symmetrically threaded on the bottom of both the front and rear ends of the diagonal bracing body 301. The first combined end 304 and the second combined end 305 are symmetrically and integrally arranged on the middle of the left and right sides of the diagonal bracing body 301. The assembly corner seat 306 is installed on the left and right sides of both the front and rear ends of the diagonal bracing body 301. The top surface of the assembly corner seat 306 is provided with an array of holes for bolt installation and fixing to facilitate the connection and installation of the photovoltaic panel. Holes for bolt installation and fixing are provided between the four opposite corners of the bottom of the damping joint 302 and the four opposite corners of the top of the column 201.
[0022] Both ends of the combined crossbeam 4 are threadedly connected to the first combined end 304 and the second combined end 305 for connecting the left and right diagonal bracing components 3. The second connecting ring 303 and the first connecting ring 104 have the same structure. Both ends of the first vertical cable 5, the second vertical cable 6, the first diagonal cable 7, the second diagonal cable 8 and the third diagonal cable 9 are provided with movable ring buckle structures. The first vertical cable 5, the second vertical cable 6 and the first diagonal cable 7 are used for the vertical and diagonal structural stability between the base frame component 1 and the diagonal bracing component 3. The second diagonal cable 8 and the third diagonal cable 9 are used for the diagonal structural stability between the left and right sets of base frame components 1 and diagonal bracing components 3.
[0023] Next, the diagonal brace component 3 is installed. The diagonal brace component 3 is placed on top of the support component 2 and connected to the top of the column 201 via the damping joint 302. The high-elasticity rubber material of the damping joint 302 achieves a dynamic balance between structural rigidity and flexibility. Simultaneously, the mounting brackets 306 on both sides of the diagonal brace component 3 are connected to the photovoltaic panels. By adjusting the bolt fixing positions, quick assembly / disassembly and fine-tuning of the photovoltaic modules' angles are achieved.
[0024] Next, the combined crossbeam 4 is installed. The left and right ends of the combined crossbeam 4 are threaded to the first combined end 304 and the second combined end 305 of the diagonal brace member 3, respectively, completing the connection between the left and right diagonal brace members 3. The horizontal extension characteristic of the combined crossbeam 4 provides a wider mounting surface for the photovoltaic panels while enhancing the overall structural connection strength.
[0025] Finally, the cable system is installed. The first vertical cable 5 and the second vertical cable 6 are symmetrically and vertically connected between the top of the front and rear sections of the base frame component 1 and the bottom of the front and rear ends of the diagonal brace component 3. The first diagonal cable 7 is symmetrically and diagonally connected between the bottom front end of the diagonal brace component 3 and the lower end of the second vertical cable 6. Simultaneously, the second diagonal cable 8 and the third diagonal cable 9 are diagonally connected between the diagonal brace component 3 and the base frame component 1, forming a cross-diagonal cable design. The movable ring structure at both ends of each cable facilitates installation and adjustment, and can absorb some of the impact energy through elastic deformation during strong winds, automatically adjusting the component angle to prevent the photovoltaic panels from being overturned or detached due to wind pressure differences.
[0026] At this point, the installation of the integral tensioned roof photovoltaic structure is complete and it is ready for normal use. During long-term use, it is necessary to periodically check the connections of each component and the tension of the cables to ensure the stability and wind resistance of the overall structure. This is the working principle of the integral tensioned roof photovoltaic structure.
[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An integral tensioned roof photovoltaic structure, comprising a base frame component (1), a first vertical cable (5), a second vertical cable (6), a first inclined cable (7), a second inclined cable (8), and a third inclined cable (9), characterized in that, A support member (2) is vertically installed at the top center of the base structure component (1), and a diagonal brace member (3) is connected to the top of the support member (2). A combined crossbeam (4) is horizontally connected to both the front and rear ends of the diagonal brace member (3). The first vertical cable (5) and the second vertical cable (6) are symmetrically and vertically connected between the top of the front and rear sections of the base structure component (1) and the bottom of the front and rear ends of the diagonal brace member (3). The first diagonal cable (7) is symmetrically and diagonally connected to the bottom front end of the diagonal brace member (3). The lower end of the second vertical cable (6), and the base frame component (1), support component (2), and diagonal brace component (3) are all symmetrically arranged with the vertical center axis of the combined cross frame (4) as the axis of symmetry. A set of second diagonal cables (8) are diagonally connected between the bottom front end of the left set of diagonal brace component (3) and the top front end of the right set of base frame component (1). A set of third diagonal cables (9) are diagonally connected between the bottom rear end of the left set of diagonal brace component (3) and the top rear end of the right set of base frame component (1).
2. The integral tensioned roof photovoltaic structure according to claim 1, characterized in that, The base frame component (1) includes a base frame body (101), a support pile (102), a fixed corner seat (103), and a first connecting lifting ring (104). The support pile (102) is integrally provided in the middle of the base frame body (101), and four sets of fixed corner seats (103) are arranged and installed on both the left and right sides of the base frame body (101). The first connecting lifting ring (104) is symmetrically installed on the top of the front and rear ends of the base frame body (101). The first connecting lifting ring (104) and the base frame body (101) are connected by threads. The bottom of the fixed corner seat (103) has multiple sets of holes for bolt installation and fixing.
3. The integral tensioned roof photovoltaic structure according to claim 2, characterized in that, The support member (2) includes a column (201), an arc-shaped diagonal brace (202) and a support corner seat (203). The arc-shaped diagonal brace (202) slides through the middle of the column (201), and the support corner seat (203) is connected to the top of both ends of the arc-shaped diagonal brace (202).
4. The integral tensioned roof photovoltaic structure according to claim 3, characterized in that, The arc-shaped diagonal brace (202) and the support corner seat (203) are welded together, and the top of the support corner seat (203) has multiple sets of holes for bolt installation and fixing. The top four corners of the support pile (102) and the bottom four corners of the column (201) are all provided with holes for bolt installation and fixing. The support corner seat (203) is used to fix the arc-shaped diagonal brace (202) at both ends and is installed at the bottom of the diagonal brace component (3).
5. The integral tensioned roof photovoltaic structure according to claim 3, characterized in that, The diagonal bracing component (3) includes a diagonal bracing body (301), a damping joint (302), a second connecting ring (303), a first combined end (304), a second combined end (305), and an assembly angle seat (306). The damping joint (302) is installed in the middle of the bottom of the diagonal bracing body (301), and the second connecting ring (303) is symmetrically threaded on the bottom of both the front and rear ends of the diagonal bracing body (301). The first combined end (304) and the second combined end (305) are symmetrically and integrally arranged in the middle sections of the left and right sides of the diagonal bracing body (301), and the assembly angle seat (306) is installed on the left and right sides of both the front and rear ends of the diagonal bracing body (301).
6. The integral tensioned roof photovoltaic structure according to claim 5, characterized in that, The top surface of the mounting bracket (306) is provided with a hole structure for bolt installation and fixing to facilitate the connection and installation of the photovoltaic panel. The bottom four corners of the damping joint (302) and the top four corners of the column (201) are provided with hole structures for bolt installation and fixing.
7. The integral tensioned roof photovoltaic structure according to claim 5, characterized in that, The left and right ends of the combined cross frame (4) are threadedly connected to the first combined end (304) and the second combined end (305) for connecting the left and right diagonal bracing members (3). The second connecting ring (303) and the first connecting ring (104) have the same structure.
8. The integral tensioned roof photovoltaic structure according to claim 1, characterized in that, The first vertical cable (5), the second vertical cable (6), the first inclined cable (7), the second inclined cable (8) and the third inclined cable (9) are all provided with movable ring structures at both ends. The first vertical cable (5), the second vertical cable (6) and the first inclined cable (7) are used for the vertical and inclined structural stability between the base frame component (1) and the inclined support component (3). The second inclined cable (8) and the third inclined cable (9) are used for the inclined structural stability between the left and right sets of base frame components (1) and the inclined support component (3).