A concrete photovoltaic panel

Abstract

The utility model discloses a building material technical field's concrete photovoltaic board, specifically includes a plurality of concrete base plate, the upper surface of concrete base plate all inlays photovoltaic module, the lower surface of concrete base plate all inlays net frame, concrete base plate opposite two sides all are equipped with the connecting portion, the connecting portion is used for the mutual nesting and fixed connection adjacent two concrete base plates, the spring assembly is established between adjacent two concrete base plates, and the connecting portion of adjacent two concrete base plates is connected through spring assembly. The application carries out solar energy power generation through photovoltaic module, and utilizes the splicing of concrete base plate to realize the accommodation of concrete photovoltaic board temperature change deformation. The net frame embedded in the lower surface of concrete base plate can effectively improve the structural strength of concrete base plate, thereby avoiding the risk of weakening the overall structural strength of concrete base plate after embedding photovoltaic module.

Description

Technical Field

[0001] This utility model relates to the field of building materials technology, specifically a concrete photovoltaic panel. Background Technology

[0002] When applying photovoltaic (PV) technology in building design, PV panels are typically installed separately on the building's roof to capture solar energy. Since the PV panels are not integrated with the building, they cannot rely on the building to withstand severe weather. Therefore, the installed PV panels are very susceptible to damage and require frequent maintenance. Furthermore, installing PV panels usually requires overhead space, so PV systems typically occupy a large area.

[0003] In related technologies, to integrate photovoltaic panels and concrete structures, photovoltaic panels are embedded in the concrete structure, thus utilizing the concrete as a structural foundation and generating electricity from the photovoltaic panels. However, photovoltaic panels require solar energy, and the photothermal effect of solar energy heats both the concrete structure and the photovoltaic panels. This heating can lead to structural damage. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies that combine photovoltaic panels and concrete structures, which are prone to structural damage due to photothermal effects. This invention provides a concrete photovoltaic panel that reduces the probability of structural damage caused by photothermal effects by limiting the connection between the photovoltaic structure and the concrete structure.

[0005] The objective of this utility model is mainly achieved through the following technical solutions: This application provides a concrete photovoltaic panel, specifically comprising a plurality of concrete substrates, wherein photovoltaic modules are embedded on the upper surface of each concrete substrate and a mesh frame is embedded on the lower surface of each concrete substrate. The concrete substrate has connecting parts on two opposite sides, which are used to nest and fix two adjacent concrete substrates together. A spring assembly is provided between two adjacent concrete substrates, and the connection between the two adjacent concrete substrates is through the spring assembly.

[0006] Furthermore, a conductive steel bar runs through the concrete substrate, and the conductive steel bar is electrically connected to the photovoltaic module.

[0007] Furthermore, the conductive reinforcing bar includes a reinforcing bar that penetrates the concrete substrate and is covered with an insulating layer.

[0008] Furthermore, the connecting part includes a fitting groove and a fitting body, and the fitting grooves and fitting bodies of two adjacent concrete substrates fit together. The spring assembly is located between the conductive steel bars of two adjacent concrete substrates, and both ends of the spring assembly are fixedly connected to the conductive steel bars of the two adjacent concrete substrates, respectively.

[0009] Furthermore, the spring assembly includes a telescopic sleeve that can reciprocate along its own axis, and both ends of the telescopic sleeve are fixedly connected to the conductive steel bars of two adjacent concrete substrates. The telescopic sleeve is equipped with a first spring, and the two ends of the first spring abut against the conductive steel bars of two adjacent concrete substrates.

[0010] Furthermore, the telescopic sleeve includes a first sleeve and a second sleeve, the second sleeve is inserted into the wall of the first sleeve, the wall of the first sleeve is provided with a slot, and the second sleeve can slide back and forth in the slot; A second spring is provided inside the slot, with one end of the second spring abutting against the slot and the other end abutting against the end of the second sleeve.

[0011] Furthermore, the photovoltaic module includes several photovoltaic panels, which are parallel to each other and partially embedded in a concrete substrate.

[0012] Furthermore, the space frame covers the lower surface of the concrete substrate.

[0013] In summary, this utility model has the following advantages compared with the prior art: This application utilizes photovoltaic modules to generate solar power and employs the splicing of concrete substrates to accommodate the thermal deformation of the concrete photovoltaic panels. The mesh frame embedded in the lower surface of the concrete substrate effectively enhances its structural strength, thus preventing a weakening of the overall structural strength after the photovoltaic modules are embedded. The photovoltaic modules can output the generated electricity via electrical connections, enabling the utilization of the generated power. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of the concrete photovoltaic panel disclosed in the embodiments of this application; Figure 2 The embodiments disclosed in this application Figure 1 A magnified view of part A in the middle; Figure 3 This is a top view of the concrete photovoltaic panel disclosed in the embodiments of this application; Figure 4This is a bottom view of the concrete photovoltaic panel disclosed in the embodiments of this application; Figure 5 This is a cross-sectional schematic diagram of the spring assembly disclosed in an embodiment of this application.

[0015] The corresponding names of the reference numerals in the attached drawings are as follows: 100, photovoltaic module; 110, photovoltaic panel; 200, concrete substrate; 210, grid frame; 300, foundation structure; 400, connecting part; 500, connector; 600, spring assembly; 610, first spring; 620, first sleeve; 630, second sleeve; 640, second spring; 700, conductive steel bar; 710, insulating layer; 720, steel bar. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0017] Currently, in the design and construction of green buildings, photovoltaic (PV) panels are typically installed on rooftops to utilize solar energy. However, PV panels require space to be installed to effectively generate electricity. When installed on a roof, the structural support primarily relies on the panels' own strength, and the building structure itself cannot be effectively utilized to enhance the structural strength of the PV panels.

[0018] After researching related technologies, the inventors discovered that these technologies embed photovoltaic panels within concrete structures to enhance their structural strength. However, the concrete structure is a monolithic structure. When the photovoltaic panels receive solar radiation, they generate heat due to the photothermal effect. As the concrete absorbs this heat and expands, there is a risk of cracks forming in the overall structure of the concrete and photovoltaic panels.

[0019] Please see Figure 1As shown in the figure, this application embodiment provides a concrete photovoltaic panel 110, including a plurality of concrete substrates 200, each of which has a photovoltaic module 100 embedded on its upper surface. By using a plurality of concrete substrates 200, the overall concrete structure is divided into several splicable concrete substrates 200, thereby avoiding the risk of damage to the concrete as a whole due to expansion under heat. In particular, temperature deformation caused by photothermal effect under sunlight can be accommodated through the splicing gaps between the concrete substrates 200, preventing structural damage caused by mutual compression. A mesh frame 210 is embedded on the lower surface of each concrete substrate 200. The mesh frame 210 embedded in the lower surface of the concrete substrate 200 effectively improves the structural strength of the concrete substrate 200, thereby avoiding the risk of weakening of the overall structural strength after the photovoltaic module 100 is embedded in the concrete substrate 200. The photovoltaic module 100 can output the generated electricity through electrical connection, thus enabling the utilization of the electricity generated by the photovoltaic module 100.

[0020] The embodiments of this application can be effectively installed on the foundation 300 and the foundation 300 can be used as a load-bearing foundation to withstand external forces.

[0021] Please see Figure 1 and Figure 2 As shown, the concrete substrate 200 has connecting portions 400 on both opposite sides. These connecting portions 400 are used to nest and fix adjacent concrete substrates 200 together. The adjacent concrete substrates 200 are connected by the connecting portions 400, which interlock to form a meshing relationship. This meshing improves the stability of the connection, and the gap between the nested portions allows for the accommodation of temperature-induced deformation. The nesting of the connecting portions 400 in this embodiment allows for the formation of large, integral panels through splicing, providing a greater capacity to accommodate temperature-induced deformation compared to monolithically formed concrete panels. This embodiment effectively reduces the probability of localized damage caused by heat generation in the photovoltaic module 100 while utilizing solar energy. If it is necessary to restrict the relative position of adjacent concrete substrates 200, the connecting portions 400 can be detachably fixed using connectors 500.

[0022] A spring assembly 600 is provided between two adjacent concrete substrates 200, and the connecting portion 400 of the two adjacent concrete substrates 200 is connected by the spring assembly 600. The spring assembly 600 between the two adjacent concrete substrates 200 can effectively stabilize the relative movement trajectory between the concrete substrates 200. When the concrete substrates 200 undergo temperature deformation, the spring assembly 600 can effectively resist the temperature deformation, thereby making it easier for the concrete substrates 200 to maintain or recover the deformation that has occurred.

[0023] For example, after two or more concrete substrates 200 are joined together by the interlocking joints 400, the splicing panel is installed on the roof. At this time, the photovoltaic module 100 is within the sunlight range and can be structurally supported by the concrete substrates 200. During sunlight exposure, the concrete substrates 200 and the photovoltaic module 100 undergo thermal deformation due to heat, and adjacent concrete substrates 200 may compress against each other due to this deformation. However, since the splicing panel is formed by joining two or more concrete substrates 200, the thermal deformation fills the joint between the different concrete substrates 200, effectively preventing structural damage during the compression process.

[0024] In some embodiments of this application, a conductive steel bar 700 extends through the concrete substrate 200, and the conductive steel bar 700 is electrically connected to the photovoltaic module 100. The conductive steel bar 700 is used to conduct electricity to the photovoltaic module 100, thereby enabling the collection and utilization of electrical energy generated by the photovoltaic module 100 through external energy storage and conductive devices.

[0025] In some embodiments of this application, the conductive reinforcing bar 700 includes a reinforcing bar 720 that penetrates the concrete substrate 200 and is covered with an insulating layer 710. The reinforcing bar 720 effectively strengthens the structural strength of the concrete substrate 200, thereby improving its support capacity. The insulating layer 710 effectively ensures the conductivity of the conductive reinforcing bar 700 and also slows down the oxidation process of the reinforcing bar 720.

[0026] In some embodiments of this application, the connecting portion 400 includes a fitting groove and a fitting body, with the fitting grooves and fitting bodies of two adjacent concrete substrates 200 fitting together. The mutual fitting of the fitting groove and the fitting body restricts the direction of thermal deformation between the two adjacent concrete substrates 200 by the opening direction of the fitting groove. The direction in which the concrete substrates 200 can deform and move during mutual compression is strictly opposite to the opening direction of the fitting groove. When the concrete substrates 200 are heated, the relative movement of the fitting groove and the fitting body towards separation prevents excessive compression between the concrete substrates 200, thereby reducing the probability of damage to the concrete substrates 200 due to compression.

[0027] The spring assembly 600 is located between the conductive reinforcing bars 700 of two adjacent concrete substrates 200, and its two ends are fixedly connected to the conductive reinforcing bars 700 of the two adjacent concrete substrates 200, respectively. Installed between the conductive reinforcing bars 700, the spring assembly 600 not only conducts current but also effectively utilizes the structural strength of the conductive reinforcing bars 700 to improve the stress resistance of the spring assembly 600. When the spring assembly 600 applies an elastic force to the two adjacent concrete substrates 200, it enhances the structural stability of the concrete substrates 200 through the conductive reinforcing bars 700, thereby preventing localized damage to the concrete substrates 200.

[0028] In some embodiments of this application, the spring assembly 600 includes a telescopic sleeve capable of reciprocating along its own axis. Both ends of the telescopic sleeve are fixedly connected to the conductive reinforcing bars 700 of two adjacent concrete substrates 200. The telescopic sleeve guides the first spring 610, thereby ensuring that the line of force applied by the elastic force of the spring assembly 600 coincides with the axis of the telescopic sleeve.

[0029] The telescopic sleeve is equipped with a first spring 610, and the two ends of the first spring 610 respectively abut against the conductive steel bars 700 of two adjacent concrete substrates 200. The first spring 610 realizes the electrical connection between the conductive steel bars 700 of the two adjacent concrete substrates 200, and also effectively enables the conductive steel bars 700 to bear the elastic force of the first spring 610.

[0030] For some embodiments of this application, please refer to Figure 5 As shown, the telescopic sleeve includes a first sleeve 620 and a second sleeve 630. The second sleeve 630 is inserted into the wall of the first sleeve 620. The wall of the first sleeve 620 has a slot, and the second sleeve 630 can slide back and forth within the slot. The second sleeve 630 uses the slot on the first sleeve 620 as a guide, and the free extension and retraction of the second sleeve 630 can cooperate with the extension and retraction function of the first spring 610 to apply an elastic force to the conductive steel bar 700.

[0031] A second spring 640 is provided inside the slot. One end of the second spring 640 abuts against the slot, and the other end abuts against the end of the second sleeve 630. The second spring 640 is used to reset the position of the first sleeve 620 and also makes it easier for the first spring 610 to complete its elastic recovery.

[0032] For some embodiments of this application, please refer to Figure 3 As shown, the photovoltaic module 100 includes a plurality of photovoltaic panels 110, which are parallel to each other and partially embedded in the concrete substrate 200. The parallel arrangement and spacing between the photovoltaic panels 110 effectively improves energy utilization efficiency. The partial embedding of the photovoltaic panels 110 into the concrete substrate 200 enhances the installation stability of the photovoltaic module 100.

[0033] For some embodiments of this application, please refer to Figure 4 As shown, the space frame 210 covers the lower surface of the concrete substrate 200. The space frame 210 effectively improves the structural strength of the concrete substrate 200, thereby increasing its load-bearing capacity.

[0034] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A concrete photovoltaic panel, characterized in that, It includes several concrete substrates (200), each of which has a photovoltaic module (100) embedded on its upper surface and a grid frame (210) embedded on its lower surface. The concrete substrate (200) has connecting portions (400) on two opposite sides, and the connecting portions (400) are used to nest and fix two adjacent concrete substrates (200) together. A spring assembly (600) is provided between two adjacent concrete substrates (200), and the connecting part (400) of the two adjacent concrete substrates (200) is connected by the spring assembly (600).

2. A concrete photovoltaic panel according to claim 1, characterized in that, A conductive steel bar (700) runs through the concrete substrate (200), and the conductive steel bar (700) is electrically connected to the photovoltaic module (100).

3. A concrete photovoltaic panel according to claim 2, characterized in that, The conductive steel bar (700) includes a steel bar (720) that penetrates the concrete substrate (200) and is covered with an insulating layer (710).

4. A concrete photovoltaic panel according to claim 2 or 3, characterized in that, The connecting part (400) includes a fitting groove and a fitting body, and the fitting grooves and fitting bodies of two adjacent concrete substrates (200) fit together; The spring assembly (600) is located between the conductive steel bars (700) of two adjacent concrete substrates (200), and the two ends of the spring assembly (600) are fixedly connected to the conductive steel bars (700) of the two adjacent concrete substrates (200).

5. A concrete photovoltaic panel according to claim 4, characterized in that, The spring assembly (600) includes a telescopic sleeve that can reciprocate along its own axis, and the two ends of the telescopic sleeve are respectively fixedly connected to the conductive steel bars (700) of two adjacent concrete base plates (200). The telescopic sleeve is provided with a first spring (610), and the two ends of the first spring (610) abut against the conductive steel bars (700) of the two adjacent concrete base plates (200).

6. A concrete photovoltaic panel according to claim 5, characterized in that, The telescopic sleeve includes a first sleeve (620) and a second sleeve (630). The second sleeve (630) is inserted into the wall of the first sleeve (620). The wall of the first sleeve (620) is provided with a slot, and the second sleeve (630) can slide back and forth in the slot. The slot is provided with a second spring (640), one end of which abuts against the slot and the other end of which abuts against the end of the second sleeve (630).

7. A concrete photovoltaic panel according to claim 1, characterized in that, The photovoltaic module (100) includes several photovoltaic panels (110), which are parallel to each other and partially embedded in a concrete substrate (200).

8. A concrete photovoltaic panel according to claim 1, characterized in that, The space frame (210) covers the lower surface of the concrete substrate (200).

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