Variable angle photovoltaic mount and method disposed on top of a parapet wall

Abstract

The application provides a variable-angle photovoltaic support and method arranged on the top of a parapet, comprising a parapet top surface and a fixing part arranged on the parapet top surface, the fixing part is provided with a connecting plate and an L-shaped part on both sides, the connecting plate and the L-shaped part are connected by an electromagnetic torsion spring at the top, and the bottom is slidably connected to the fixing part on both sides, and the bottom end of the connecting plate is connected to an electromagnetic telescopic rod, the top surface of the L-shaped part is fixedly connected to a photovoltaic panel assembly, the connecting plate can slide up and down along the side wall of the fixing part by the electromagnetic telescopic rod, the bottom end of the L-shaped part is driven to slide up and down along the side wall of the fixing part by the electromagnetic torsion spring, in the process, the top surface of the L-shaped part is inclined, thereby driving the photovoltaic panel assembly on the top surface to be inclined, thereby realizing the variable angle of the photovoltaic support, the angle of the photovoltaic panel assembly can be controlled, thereby realizing more efficient solar energy collection.

Description

Technical Field

[0001] This invention relates to the field of building photovoltaic technology, specifically to a variable-angle photovoltaic bracket and method installed on the top of a parapet wall. Background Technology

[0002] Green buildings require efficient use of natural resources to reduce their own energy consumption. Currently, photovoltaic (PV) systems are often installed above the building roof, typically in the middle area of ​​the roof. Especially for roofs with parapet walls, PV modules usually need to be raised using supports to avoid the parapet walls blocking the sunlight. At the same time, installing PV modules on the building roof also requires corresponding supports or connecting structures to ensure a stable connection. This requires a significant investment in both insulation and waterproofing for the roof. Currently, PV support structures based on building parapet walls have emerged to supplement building PV systems and increase the utilization rate of clean energy.

[0003] Patents with patent numbers 2013203691939 and 2021111193737 both disclose photovoltaic support structures that use the parapet wall of a flat roof as a support. However, neither of them has the function of adjusting the angle of illumination, which will lead to insufficient illumination during use, thus reducing the utilization rate of clean energy. Summary of the Invention

[0004] To address the problems existing in the prior art, the present invention provides a variable angle photovoltaic bracket and method for installation on the top of a parapet wall, which can be fixedly installed on the parapet wall while also enabling the photovoltaic modules to rotate.

[0005] This invention is achieved through the following technical solution:

[0006] A variable-angle photovoltaic bracket installed on the top of a parapet wall includes a top surface of the parapet wall and a fixing member fixedly sleeved on the top surface of the parapet wall. A connecting plate and an L-shaped component are respectively provided on both sides of the fixing member. The top of the connecting plate and the L-shaped component are connected by an electromagnetic torsion spring, and the bottom of the connecting plate is slidably connected to both sides of the fixing member. An electromagnetic telescopic rod is connected to the bottom end of the connecting plate. A photovoltaic panel assembly is fixedly connected to the top surface of the L-shaped component.

[0007] Furthermore, one side of the top surface of the parapet wall is the roof, and the other side is the exterior facade of the parapet wall. The connecting plate is set on the side wall of the fixing member near the roof, and the L-shaped member is set on the side wall of the fixing member near the exterior facade of the parapet wall.

[0008] Furthermore, two limiting steel plates are vertically spaced on the side wall of the fixing component near the roof. An embedded connecting shaft is provided at the bottom end of the connecting plate. The embedded connecting shaft is slidably engaged between the two limiting steel plates and is fixedly connected to an electromagnetic telescopic rod. The electromagnetic telescopic rod is fixedly installed on the side wall of the fixing component or on the roof.

[0009] Furthermore, a second fixed end plate is fixedly installed on the side wall of the fastener near the outer facade of the parapet wall. At least two circular slides are vertically installed on the second fixed end plate. The L-shaped component is provided with a first circular slide groove that is adapted to the structure of the circular slides. The circular slides and the first circular slide grooves are provided in a one-to-one correspondence. Adjacent first circular slide grooves are connected by the same connecting strip. The connecting strip is connected to the bottom of the L-shaped component through a hinge shaft.

[0010] Furthermore, it also includes connecting bolts that penetrate the fastener and the top surface of the parapet wall.

[0011] Furthermore, the fastener includes at least two U-shaped steel plates, each of which is interference-fitted to the top surface of the parapet wall.

[0012] Furthermore, the photovoltaic panel assembly is fixedly connected to the top surface of the L-shaped component via a first fixed end plate.

[0013] Furthermore, a connecting column is vertically provided at the top of the fixing component, and a circular slide head is fixedly provided at the top of the connecting column. A second circular slide track is provided at the bottom of the top surface of the L-shaped component, and the second circular slide track is provided with a second circular groove that is adapted to the structure of the circular slide head.

[0014] Furthermore, the included angle between the connecting plate and the L-shaped component, as well as the included angle of the L-shaped component itself, are both less than 90°.

[0015] A method for installing a variable-angle photovoltaic bracket on top of a parapet wall includes the following steps:

[0016] The fastener is fixedly sleeved on the top surface of the parapet wall. The upper end of the L-shaped part is connected to the electromagnetic torsion spring and the electromagnetic torsion spring is temporarily fixed. The bottom end of the L-shaped part is slidably connected to the side wall of the fastener.

[0017] After sliding the bottom end of the connecting plate to the side wall of the fixing component, connect the top end of the connecting plate to the electromagnetic torsion spring and release the temporary fixing of the electromagnetic torsion spring.

[0018] The photovoltaic panel assembly is fixedly mounted on the top surface of the L-shaped component.

[0019] Compared with the prior art, the present invention has the following beneficial technical effects:

[0020] This invention provides a variable-angle photovoltaic bracket installed on the top of a parapet wall, comprising a top surface of the parapet wall and a fixing member fixedly installed on the top surface of the parapet wall. A connecting plate and an L-shaped component are respectively provided on both sides of the fixing member. The top of the connecting plate and the L-shaped component are connected by an electromagnetic torsion spring, and their bottoms are slidably connected to both sides of the fixing member. An electromagnetic telescopic rod is connected to the bottom end of the connecting plate. A photovoltaic panel assembly is fixedly connected to the top surface of the L-shaped component. In this application, the electromagnetic telescopic rod allows the connecting plate to slide vertically up and down along the side wall of the fixing member. The connecting plate, via the electromagnetic torsion spring, causes the bottom end of the L-shaped component to slide up and down along the side wall of the fixing member simultaneously. During this process, the top surface of the L-shaped component tilts, thereby causing the photovoltaic panel assembly on it to tilt, thus achieving a variable angle for the photovoltaic bracket. This application has a simple and reliable structure and can control the angle of the photovoltaic panel assembly according to a preset angle, thereby achieving higher efficiency in solar energy collection.

[0021] This invention provides a method for installing a variable-angle photovoltaic bracket on the top of a parapet wall, comprising the following steps: fixing a fastener to the top surface of the parapet wall; connecting an electromagnetic torsion spring to the upper end of an L-shaped component and temporarily fixing the electromagnetic torsion spring; sliding the bottom end of the L-shaped component to the side wall of the fastener; sliding the bottom end of a connecting plate to the side wall of the fastener; connecting an electromagnetic torsion spring to the top end of the connecting plate and releasing the temporary fixing of the electromagnetic torsion spring; and fixing the photovoltaic panel assembly to the top surface of the L-shaped component. This method can stably connect the L-shaped component and the connecting plate on the fastener. Since the relative position between the L-shaped component and the connecting plate determines the tilt angle of the photovoltaic panel assembly, the top surface of the L-shaped component should be kept horizontal during installation. This method enables stable and rapid installation of the photovoltaic panel assembly. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a variable-angle photovoltaic bracket installed on the top of a parapet wall according to the present invention;

[0023] Figure 2 This is a schematic diagram of a variable-angle photovoltaic bracket installed on the top of a parapet wall according to the present invention;

[0024] Figure 3 This is a side view of a variable-angle photovoltaic bracket installed on the top of a parapet wall according to the present invention;

[0025] Figure 4 This is an enlarged schematic diagram of the A-node region of a variable-angle photovoltaic bracket installed on the top of a parapet wall according to the present invention;

[0026] Figure 5 This is a top view of the connection structure between the enlarged head slide and the photovoltaic panel assembly in this invention;

[0027] Figure 6This is a top view of the connection structure between the circular slider and the second circular slide in this invention;

[0028] Figure 7 This is a cross-sectional view showing the connection between the circular slider and the second circular slide in this invention.

[0029] In the diagram: 1. Roof; 2. Parapet wall top surface; 3. Photovoltaic panel assembly; 31. First fixed end plate; 4. U-shaped steel plate; 41. Connecting bolt; 42. Circular slide rail; 43. Second fixed end plate; 44. Limiting steel plate; 5. Connecting column; 51. Circular slide head; 6. Connecting plate; 61. Embedded connecting shaft; 62. Electromagnetic telescopic rod; 7. L-shaped component; 71. Hinge shaft; 72. Connecting strip; 73. First circular slide groove; 8. Electromagnetic torsion spring; 9. Second circular slide rail; 91. Second circular slide groove; 10. Parapet wall exterior. Detailed Implementation

[0030] The present invention will be further described in detail below with reference to specific embodiments. These descriptions are for explanation purposes only and are not intended to limit the scope of the invention.

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. 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 should fall within the scope of protection of the present invention.

[0032] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0033] This invention provides a variable-angle photovoltaic bracket installed on the top of a parapet wall, such as... Figure 1 , Figure 2 and Figure 3As shown, it includes a parapet wall top surface 2 and a fixing member fixedly installed on the parapet wall top surface 2. A connecting plate 6 and an L-shaped component 7 are respectively provided on both sides of the fixing member. The top of the connecting plate 6 and the L-shaped component 7 are connected by an electromagnetic torsion spring 8, and the bottoms are slidably connected to both sides of the fixing member. An electromagnetic telescopic rod 62 is connected to the bottom end of the connecting plate 6. A photovoltaic panel assembly 3 is fixedly connected to the top surface of the L-shaped component 7.

[0034] Preferably, one side of the parapet wall top surface 2 is the roof 1, and the other side is the parapet wall exterior facade 10. The connecting plate 6 is disposed on the fixing sidewall near the roof 1, and the L-shaped component 7 is disposed on the fixing sidewall near the parapet wall exterior facade 10. Further, two limiting steel plates 44 are vertically spaced apart on the fixing sidewall near the roof 1. The bottom end of the connecting plate 6 is provided with an embedded connecting shaft 61, which is slidably engaged between the two limiting steel plates 44 and fixedly connected to an electromagnetic telescopic rod 62. The electromagnetic telescopic rod 62 is fixedly disposed on the fixing sidewall or the roof 1. It should be noted that in this embodiment... In this structure, the two limiting steel plates 44 together form a sliding groove structure. Driven by the electromagnetic telescopic rod 62, the embedded connecting shaft 61 at the bottom of the connecting plate 6 can slide up and down along the two limiting steel plates 44. At the same time, the two limiting steel plates 44 can make the embedded connecting shaft 61 move in a straight line to prevent deviation and other phenomena that would prevent the photovoltaic panel assembly 3 from being adjusted according to the preset angle. It should be further noted that those skilled in the art can set multiple electromagnetic telescopic rods 62 at the lower end of the connecting plate 6 according to actual production needs, such as the mass and surface area of ​​the photovoltaic panel assembly 3, or select appropriate models according to the above factors.

[0035] Preferred, such as Figure 4 and Figure 5As shown, at least two second fixing end plates 43 are fixedly installed on the side wall of the fastener near the outer facade 10 of the parapet wall. A circular slide rail 42 is vertically installed on the second fixing end plate 43. The L-shaped component 7 is provided with a first circular groove 73 adapted to the structure of the circular slide rail 42. The circular slide rail 42 and the first circular groove 73 are arranged in a one-to-one correspondence. A connecting strip 72 is fixedly connected between adjacent first circular grooves 73. The connecting strip 72 is connected to the bottom of the L-shaped component 7 via a hinge shaft 71. It should be noted that in this embodiment, the sliding method using the circular slide rail 42 and the first circular groove 73 allows the L-shaped component 7 to slide along with the connecting component. 6 moves along the circular slide 42. It should be further explained that the L-shaped part 7 and the side wall of the fixed part are spaced apart to prevent the L-shaped part 7 from interfering with the fixed part during the movement. It should also be further explained that the electromagnetic torsion spring 8 between the connecting part 6 and the L-shaped part 7 is used to form a flexible connection between the connecting part 6 and the L-shaped part 7. When the connecting part 6 moves under the drive of the electromagnetic telescopic rod 62, the electromagnetic torsion spring 8 can apply a relatively flexible force to the L-shaped part 7. Under the action of the electromagnetic torsion spring 8, the circular slide 42 moves continuously in the first circular slide groove 73 until the top surface of the L-shaped part 7 is adjusted to the preset angle.

[0036] Preferably, this embodiment also includes a connecting bolt 41, which penetrates the end face of the parapet wall near the roof 1, the fastener, and the outer facade 10 of the parapet wall. It should be noted that when the building is tall or the surface of the photovoltaic panel is large, the connecting bolt 41 is added to increase the structural strength and prevent the fastener and the parapet wall from loosening or separating under the action of wind.

[0037] Preferably, the fastener includes at least two U-shaped steel plates 4, each of which is interference-fitted to the top surface 2 of the parapet wall. It should be noted that, under normal circumstances, the parapet wall is located at the highest point of the building, and the wind force at the highest point is greater. The surface of the photovoltaic panel assembly 3 is generally large, so a single point or single line support cannot guarantee its support force. Therefore, in this embodiment, it is preferred to use two U-shaped steel plates 4 as the components of the fastener.

[0038] Preferred, such as Figure 6 and Figure 7The photovoltaic panel assembly 3 is fixedly connected to the top surface of the L-shaped component 7 via a first fixed end plate 31. Furthermore, a connecting column 5 is vertically arranged at the top of the fixing component, and a circular slide head 51 is fixedly arranged at the top of the connecting column 5. A second circular slide rail 9 is arranged at the bottom of the top surface of the L-shaped component 7, and the second circular slide rail 9 is provided with a second circular groove 91 that is adapted to the structure of the circular slide head 51. It should be noted that the projection of the circular slide head 51 on the U-shaped steel plate 4 is located on the side closer to the outer facade 10 of the parapet wall, so as to make the top surface angle of the L-shaped component 7 change faster.

[0039] Preferably, the included angle between the connecting plate 6 and the L-shaped part 7, as well as the included angle of the L-shaped part 7 itself, are both less than 90°, which are used to cooperate with the circular slider 51 to cause the top surface of the L-shaped part 7 to change angle.

[0040] This invention provides a method for installing a variable-angle photovoltaic bracket on the top of a parapet wall, comprising the following steps:

[0041] The fastener is fixedly installed on the top surface 2 of the parapet wall. The upper end of the L-shaped part 7 is connected to the electromagnetic torsion spring 8 and the electromagnetic torsion spring 8 is temporarily fixed. The bottom end of the L-shaped part 7 is slidably connected to the side wall of the fastener.

[0042] After sliding the bottom end of the connecting plate 6 to the side wall of the fixing component, connect the top end of the connecting plate 6 to the electromagnetic torsion spring 8, and release the temporary fixing of the electromagnetic torsion spring 8.

[0043] The photovoltaic panel assembly 3 is fixedly mounted on the top surface of the L-shaped component 7.

[0044] Specifically,

[0045] S1: A second fixed end plate 43, a circular slider 51, and a limiting steel plate 44 are set at predetermined positions on the U-shaped steel plate 4;

[0046] S2: Install U-shaped steel plate 4 on the outside of the parapet wall. During installation, mortar should be filled between U-shaped steel plate 4 and the parapet wall to ensure a stable connection and reduce shaking during later use.

[0047] S3: Use connecting bolts 41 to pass through the U-shaped steel plate 4 to ensure a stable connection between the U-shaped steel plate 4 and the parapet wall;

[0048] S4: The lower end of the L-shaped part 7 equipped with the electromagnetic torsion spring 8 is slidably connected to the circular slide rail 42 through the circular slide groove 73 and temporarily fixed.

[0049] In step S4, the circular slider 51 must be installed into the second circular slide rail 9 at the same time.

[0050] Before performing S4, the second circular slide 9 must first be installed on the lower end face of the L-shaped part 7 at the position corresponding to the circular slide head 51;

[0051] S5: Set the embedded connecting shaft 61 at a predetermined position between the limiting steel plate 44 and the U-shaped steel plate 4;

[0052] S6: Assemble and connect the embedded connecting shaft 61 to the connecting plate 6;

[0053] S7: Assemble and connect the connecting plate 6 with the electromagnetic torsion spring 8 to release the temporary fixation in S4;

[0054] S8: Connect electromagnetic telescopic rods 62 to both ends of the embedded connecting shaft 61;

[0055] S9: Adjust the electromagnetic telescopic rod 62 and the electromagnetic torsion spring 8 together to adjust the L-shaped part 7 and the connecting plate 6 to the predetermined spatial position;

[0056] S10: The photovoltaic panel assembly 3 is assembled and connected to the upper end face of the L-shaped part 7 through the first fixed end plate 31 to complete the connection; in the above step S10, the first fixed end plate 31 can be connected to the L-shaped part 7 later through the connector, or it can be pre-welded.

[0057] When the photovoltaic support of this application is subjected to a large wind load, the spatial position of the L-shaped part 7 and the connecting plate 6 will change. The electromagnetic telescopic rod 62 and the electromagnetic torsion spring 8 can help dissipate the energy of the wind load applied to the photovoltaic support and reduce the impact of the wind load on the support of this application.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A variable-angle photovoltaic bracket installed at the top of a parapet wall, characterized in that, The parapet wall includes a top surface (2) and a fixing component fixedly fitted onto the top surface (2). A connecting plate (6) and an L-shaped component (7) are respectively provided on both sides of the fixing component. The top of the connecting plate (6) and the L-shaped component (7) are connected by an electromagnetic torsion spring (8), and their bottoms are slidably connected to both sides of the fixing component. An electromagnetic telescopic rod (62) is connected to the bottom end of the connecting plate (6). A photovoltaic panel assembly (3) is fixedly connected to the top surface of the L-shaped component (7). One side of the top surface (2) of the parapet wall is the roof (1), and the other side is the exterior facade (10) of the parapet wall. The connecting plate (6) is set on the side wall of the fixing component near the roof (1), and the L-shaped component (7) is set on the side wall of the fixing component near the outer facade (10) of the parapet wall. Two limiting steel plates (44) are vertically spaced on the side wall of the fixing component near the roof (1). An embedded connecting shaft (61) is set at the bottom end of the connecting plate (6). The embedded connecting shaft (61) is slidably engaged between the two limiting steel plates (44) and is fixedly connected to an electromagnetic telescopic rod (62). The electromagnetic telescopic rod (62) is fixedly set on the side wall of the fixing component or the roof (1).

2. The variable-angle photovoltaic bracket installed on the top of a parapet wall according to claim 1, characterized in that, A second fixed end plate (43) is fixedly installed on the side wall of the fastener near the outer facade (10) of the parapet wall. At least two circular slides (42) are vertically installed on the second fixed end plate (43). The L-shaped part (7) is provided with a first circular slide groove (73) that is adapted to the structure of the circular slide groove (42). The circular slide groove (42) and the first circular slide groove (73) are provided in a one-to-one correspondence. The same connecting strip (72) is fixedly connected between adjacent first circular slide grooves (73). The connecting strip (72) is connected to the bottom of the L-shaped part (7) through a hinge shaft (71).

3. A variable-angle photovoltaic bracket installed on the top of a parapet wall according to claim 2, characterized in that, It also includes a connecting bolt (41) that passes through the fastener and the top surface of the parapet wall (2).

4. A variable-angle photovoltaic bracket installed on the top of a parapet wall according to claim 1, characterized in that, The fastener includes at least two U-shaped steel plates (4), each of which is interference-fitted to the top surface (2) of the parapet wall.

5. A variable-angle photovoltaic bracket installed on the top of a parapet wall according to claim 1, characterized in that, The photovoltaic panel assembly (3) is fixedly connected to the top surface of the L-shaped component (7) via the first fixed end plate (31).

6. A variable-angle photovoltaic bracket installed on the top of a parapet wall according to claim 5, characterized in that, A connecting column (5) is vertically installed on the top of the fixing component. A circular slide head (51) is fixedly installed on the top of the connecting column (5). A second circular slide rail (9) is provided at the bottom of the top surface of the L-shaped component (7). The second circular slide rail (9) is provided with a second circular groove (91) that is adapted to the structure of the circular slide head (51).

7. A variable-angle photovoltaic bracket installed on the top of a parapet wall according to claim 1, characterized in that, The included angle between the connecting plate (6) and the L-shaped part (7), as well as the included angle of the L-shaped part (7) itself, are both less than 90°.

8. A method for installing a variable-angle photovoltaic bracket on the top of a parapet wall, characterized in that, A variable-angle photovoltaic bracket installed on the top of a parapet wall according to any one of claims 1-7 includes the following steps: The fastener is fixedly sleeved on the top surface (2) of the parapet wall, the upper end of the L-shaped part (7) is connected to the electromagnetic torsion spring (8), and the electromagnetic torsion spring (8) is temporarily fixed. The bottom end of the L-shaped part (7) is slidably connected to the side wall of the fastener. After sliding the bottom end of the connecting plate (6) to the side wall of the fixing component, connect the top end of the connecting plate (6) to the electromagnetic torsion spring (8) and release the temporary fixation of the electromagnetic torsion spring (8); The photovoltaic panel assembly (3) is fixedly mounted on the top surface of the L-shaped component (7).

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