A BIPV system based on photovoltaic wall integration technology

Abstract

The present invention discloses a BIPV system based on photovoltaic wall integration technology, which relates to the field of BIPV technology. The system includes a stability monitoring module, a photovoltaic panel status monitoring module, a power generation performance monitoring module, and an abnormal situation reporting module. The stability monitoring module includes a line connection stability monitoring unit, a panel-frame connection stability monitoring unit, and a component stability monitoring unit. The present invention uses the stability monitoring module to monitor the connection stability between the building outer frame and the photovoltaic panel in real time. The panel-frame connection stability monitoring unit monitors the looseness between the photovoltaic panel and the frame in real time. The component stability monitoring unit monitors the looseness of the components in the installation connection module. The line connection stability detection unit monitors the circuit connection stability of the photovoltaic panel. Through the interaction and cooperation of the photovoltaic module and the stability monitoring module, it can help managers discover and handle the looseness problem between the photovoltaic panel and the frame in time.

Description

Technical Field

[0001] The present invention relates to the technical field of BIPV, and specifically provides a BIPV system based on photovoltaic wall integration technology. Background Art

[0002] Building Integrated Photovoltaic (BIPV) integrates photovoltaic modules as part of building materials, enabling them to have both power generation functions and the functions of building components or building materials. With the rapid development of photovoltaic power generation, BIPV systems have gradually emerged.

[0003] Existing BIPV systems usually only consider the power generation, waterproofing, heat insulation, decoration and other functions brought by the photovoltaic panels themselves to the building wall, ensuring that the BIPV system can cope with various adverse weather conditions and guarantee its power generation stability. However, they do not consider real-time monitoring of the connection stability between the photovoltaic modules and the mounting frames, which may lead to loose connections between the photovoltaic modules and the mounting frames, resulting in damage to the photovoltaic modules.

[0004] The defects of existing BIPV systems are as follows:

[0005] 1. Patent document KR102504422B1 proposes a BIPV system of the BIPV project type including a transmissive window frame, but this patent document does not consider real-time monitoring of the connection stability between the photovoltaic modules and the mounting frames, and the photovoltaic modules may be loose in some areas from the frames, resulting in unstable installation of the photovoltaic modules.

[0006] 2. Application document KR1020220120227A discloses a BIPV solar BIPV system applied to windows, but the BIPV system of this patent document has some limitations in building exterior wall integration, which has a certain impact on building design, installation complexity and aesthetic appearance.

[0007] 3. Patent document US20210265941A1 proposes an interlocking BIPV roof tile with a backrest, but this patent document does not consider real-time monitoring of the operating status of the photovoltaic modules to ensure the normal operation of the photovoltaic modules.

[0008] 4. Application document WO2018081300A1 discloses a building integrated photovoltaic system using glass photovoltaic tiles, but the BIPV system of this patent document does not consider setting an abnormal situation reporting module for this BIPV system, and it is impossible to help managers understand the specific abnormal situation of the photovoltaic wall in time. Summary of the Invention

[0009] The purpose of the present invention is to provide a BIPV system based on photovoltaic wall integration technology to solve the problems raised in the above background art.

[0010] To achieve the above object, the present invention provides the following technical solutions: A BIPV system based on photovoltaic wall integration technology, including a photovoltaic module, an installation and connection module, a stability monitoring module, a photovoltaic panel status monitoring module, a power generation performance monitoring module, and an abnormal situation reporting module. The photovoltaic module includes a photovoltaic panel, which is used to convert solar energy into electrical energy. The installation and connection module is used to fix the nodes of each group of photovoltaic modules to the building frame. The stability monitoring module is used to monitor the installation stability of the photovoltaic panel. The photovoltaic panel status monitoring module is used to monitor whether the photovoltaic panel can operate normally. The power generation performance detection module is used to detect the power generation performance after the photovoltaic panels are combined and installed on the frame. The abnormal situation reporting module is used to send an abnormal report to the management personnel;

[0011] The stability monitoring module includes a line connection stability monitoring unit, a panel-frame connection stability monitoring unit, and a part stability monitoring unit. The line connection stability monitoring unit is used to monitor the stability of the circuit connection of the photovoltaic panel. The panel-frame connection stability monitoring unit is used to monitor the connection stability between the photovoltaic panel and the frame of the photovoltaic module. The part stability monitoring unit is used to monitor the connection stability of the fixing screws and bolts.

[0012] Preferably, the line connection stability monitoring unit monitors the tightness of the line and the looseness of the joints through a macro AI camera device, and sends a warning message to the abnormal situation reporting module when the line and joints are loose.

[0013] Preferably, the panel-frame connection stability monitoring unit includes a data acquisition sub-unit and a data analysis sub-unit. The data acquisition sub-unit monitors the relative displacement between the panel and the frame through magnetoelectric sensors set at different points. After receiving the data from the data acquisition sub-unit, the data analysis sub-unit analyzes it, and sends a panel-frame connection warning message to the abnormal situation reporting module when the data transmitted by the magnetoelectric sensors at four groups of points exceeds the set value.

[0014] Preferably, the part stability monitoring unit monitors the minute displacement of each group of screws and bolts in the installation and connection module through a micro displacement sensor, and sends a part stability warning message to the abnormal situation reporting module when the displacement value of the screws and bolts exceeds the set range.

[0015] Preferably, the installation and connection module includes an installation component for each group of photovoltaic module nodes. The installation component includes a steel support bar, an aluminum alloy pressing plate, an aluminum alloy secondary frame, and a thin steel plate. Photovoltaic modules are arranged on both sides of the steel support bar. A 350mm machine screw is installed through the inside of the steel support bar. An aluminum alloy pressing plate is installed on the outer surface of the 350mm machine screw, and the aluminum alloy pressing plate is located in front of the steel support bar. Plug strips are symmetrically pressed on the rear side of the aluminum alloy pressing plate, and the back surface of the plug strip contacts the photovoltaic module. An aluminum alloy secondary frame is installed on the outer surface of the 350mm machine screw. Adhesive layers are symmetrically installed on the front surface of the aluminum alloy secondary frame, and the front surface of the adhesive layer contacts the back surface of the photovoltaic module. The adhesive layer includes structural adhesive and double-sided tape. An aluminum alloy pressing block is installed on the outer surface of the 350mm machine screw, and the aluminum alloy pressing block closely adheres to the inner back wall of the aluminum alloy secondary frame. An aluminum alloy buckle cover is provided on the front surface of the aluminum alloy pressing plate. A steel through-column is installed on the back surface of the aluminum alloy secondary frame, and the 350mm machine screw passes through the inside of the steel through-column. A thin steel plate is installed on the outside of the steel through-column by welding, and the thickness of the thin steel plate is 4mm. A stainless steel bolt is installed through one outer wall of the steel through-column and passes through the other outer wall of the steel through-column. 20mm machine screws are symmetrically installed on both sides of the steel through-column. Galvanized steel plates are installed on both sides of the steel through-column through the stainless steel bolt and the 20mm machine screw 1. A flexible gasket is installed on one outer wall of the galvanized steel plate, and the flexible gasket contacts the steel through-column. A steel through-cross beam is installed on one side of the galvanized steel plate, and the surface of the steel through-cross beam is treated with fluorocarbon spraying.

[0016] Preferably, the photovoltaic panel status monitoring module includes a temperature monitoring unit, a light intensity monitoring unit, and an operating voltage monitoring unit. The temperature monitoring unit is used to monitor the temperature of the photovoltaic panel in real time. The light intensity monitoring unit is used to monitor the light intensity received by the photovoltaic panel. The operating voltage monitoring unit is used to monitor the voltage during the operation of the photovoltaic panel.

[0017] Preferably, the temperature warning information monitoring unit monitors the temperature of the photovoltaic panel in real time through an infrared thermal imager. The infrared thermal imager implants an intelligent algorithm to analyze whether the temperature is abnormal, and sends a temperature abnormality warning message to the abnormal situation reporting module when the temperature is abnormal. The light intensity monitoring unit monitors the light intensity received by the photovoltaic panel through a photometer, judges whether the light intensity is within the normal range, and sends a light abnormality warning message to the abnormal situation reporting module when the light intensity is abnormal. The operating voltage monitoring unit monitors the operating voltage of the photovoltaic panel through a DC voltmeter, and sends a voltage abnormality warning message to the abnormal situation reporting module when the operating voltage of the photovoltaic panel exceeds the normal range.

[0018] Preferably, the power generation performance detection module measures the output current and voltage of the photovoltaic module through a power tester, thereby calculating its output power. The power generation performance detection module measures the incident light intensity on the photovoltaic panel, substitutes the output power data and the incident light intensity into the power generation efficiency formula of the photovoltaic panel, outputs the power generation efficiency data of the photovoltaic panel, and compares the power generation efficiency data of the photovoltaic panel with the operating power generation efficiency of the same type of photovoltaic panel to predict the subsequent power generation efficiency of the photovoltaic panel.

[0019] Preferably, the abnormal situation reporting module includes an installation situation abnormal reporting unit and an operation abnormal reporting unit. The installation situation abnormal reporting unit is used to report the abnormal situation of the connection between the photovoltaic module and the building frame, and the operation abnormal reporting unit is used to report the abnormal situation when the photovoltaic module works on the building wall.

[0020] Preferably, the abnormal situation reporting module receives the data and abnormal situation warning information of the stability monitoring module, the photovoltaic panel status monitoring module and the power generation performance detection module. The abnormal situation reporting unit generates an abnormal situation report according to the received data and abnormal situation warning information, and sends the abnormal situation report to the management personnel after generating the abnormal situation report.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. The present invention uses the stability monitoring module to monitor the connection stability between the building outer frame and the photovoltaic panel in real time. The panel frame connection stability monitoring unit monitors the looseness between the photovoltaic panel and the frame in real time, the part stability monitoring unit monitors the looseness of the parts in the installation connection module, and the line connection stability detection unit monitors the circuit connection stability of the photovoltaic panel. Through the interaction and cooperation of the photovoltaic module and the stability monitoring module, it can help the management personnel to timely discover and handle the looseness problem between the photovoltaic panel and the frame.

[0023] 2. The present invention fixes the photovoltaic panel on the building wall through the installation connection module. The photovoltaic wall integrated structure completed by the installation connection module can ensure the stability and safety of the photovoltaic panel, ensure the organic combination of the photovoltaic integrated system and the building, and at the same time ensure the aesthetic appearance and functional integrity of the building. The photovoltaic wall integrated structure completed by the installation connection module can also ensure the normal use of the photovoltaic panel during the installation process. The photovoltaic wall integration technology integrates the solar panel into the building facade design, directly absorbs solar energy by the solar panel, and converts it into electric energy to supply building electricity, reducing the dependence on traditional energy, reducing the energy consumption of the building, achieving the effect of energy conservation and emission reduction. At the same time, combining photovoltaic technology with building facade design beautifies the urban building environment and improves the overall aesthetic appearance of the building.

[0024] 3. The present invention monitors the status of the photovoltaic panels through the photovoltaic panel status monitoring module. The temperature monitoring unit monitors the temperature of the photovoltaic panels in real time, the light intensity detection unit monitors the light intensity received by the photovoltaic panels, and the operating voltage monitoring unit monitors the voltage during the operation of the photovoltaic panels. Through the interaction and cooperation between the photovoltaic panel status monitoring module and the photovoltaic panels, the management personnel can understand the working status and operation conditions of the photovoltaic panels in real time, ensuring the normal operation of the photovoltaic panels.

[0025] 4. The present invention can send an abnormal situation report to the management personnel through the abnormal situation reporting module. The abnormal situation reporting module receives the data and abnormal situation warning information from the stability monitoring module, the photovoltaic panel status monitoring module, and the power generation performance detection module, and generates a specific abnormal situation report by combining the received data and abnormal situation warning information, and sends it to the management personnel, facilitating the management personnel to quickly and deeply understand the abnormal situations that occur in the photovoltaic wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is the system diagram of the present invention;

[0027] Figure 2 is the composition structure diagram of the stability detection module of the present invention;

[0028] Figure 3 is the composition structure diagram of the photovoltaic panel status monitoring module of the present invention;

[0029] Figure 4 is the composition structure diagram of the abnormal situation reporting module of the present invention;

[0030] Figure 5 is the top-down cross-sectional node diagram of the installation module of the present invention;

[0031] Figure 6 is the side-view vertical cross-sectional node diagram of the installation module of the present invention.

[0032] In the figure: 1. Photovoltaic module; 2. Steel support bar; 3. Adhesive layer; 4. Aluminum alloy pressing plate; 5. Plug strip; 6. 350mm machine screw; 7. Aluminum alloy cover; 8. Aluminum alloy sub-frame; 9. Stainless steel bolt; 10. Aluminum alloy pressing block; 11. Thin steel plate; 12. Galvanized steel plate; 13. 20mm machine screw; 14. Steel through column; 15. Flexible gasket; 16. Steel through cross beam. DETAILED DESCRIPTION OF THE INVENTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0036] Please refer to Figure 1 and Figure 2 , an embodiment provided by the present invention: a BIPV system based on photovoltaic wall integration technology, including a photovoltaic module 1, an installation connection module, a stability monitoring module, a photovoltaic panel status monitoring module, a power generation performance monitoring module, and an abnormal situation reporting module. The photovoltaic module 1 includes a photovoltaic panel, and the photovoltaic panel is used to convert solar energy into electrical energy. The installation connection module is used to fix the nodes of each group of photovoltaic modules 1 to the building frame. The stability monitoring module is used to monitor the installation stability of the photovoltaic panel. The photovoltaic panel status monitoring module is used to monitor whether the photovoltaic panel can operate normally. The power generation performance detection module is used to detect the power generation performance after the photovoltaic panels are combined and installed on the frame. The abnormal situation reporting module is used to send an abnormal report to the management personnel;

[0037] The stability monitoring module includes a circuit connection stability monitoring unit, a panel-frame connection stability monitoring unit, and a component stability monitoring unit. The circuit connection stability monitoring unit is used to monitor the stability of the circuit connection of the photovoltaic panel. The panel-frame connection stability monitoring unit is used to monitor the connection stability between the photovoltaic panel and the frame of the photovoltaic module 1. The component stability monitoring unit is used to monitor the connection stability of the fixing screws and bolts.

[0038] The circuit connection stability monitoring unit monitors the tightness of the circuit and the looseness of the joints through a macro AI camera device, and sends a warning message to the abnormal situation reporting module when the circuit and joints are loose. The panel-frame connection stability monitoring unit includes a data acquisition sub-unit and a data analysis sub-unit. The data acquisition sub-unit monitors the relative displacement between the panel and the frame through magnetoelectric sensors set at different points. After receiving the data from the data acquisition sub-unit, the data analysis sub-unit analyzes it, and sends a panel-frame connection warning message to the abnormal situation reporting module when the data transmitted by the magnetoelectric sensors at four groups of points exceeds the set value. The component stability monitoring unit monitors the micro-displacement of each group of screws and bolts in the installation connection module through a micro-displacement sensor, and sends a component stability warning message to the abnormal situation reporting module when the displacement value of the screws and bolts exceeds the set range.

[0039] Furthermore, first, the photovoltaic module 1 is fixed on the frame through the installation connection module. After the photovoltaic module 1 is fixed on the frame, the stability monitoring module monitors the installation stability between the photovoltaic panel and the wall, and sends a warning message to the abnormal situation reporting module when a situation that affects the connection stability between the photovoltaic panel and the wall is detected. The photovoltaic panel status monitoring module analyzes whether the operation of the photovoltaic panel is normal by real-time monitoring of various aspects of the photovoltaic panel, and sends a warning message to the abnormal situation reporting module when an abnormal situation of the photovoltaic panel is detected. The power generation performance detection module monitors the power generation efficiency of the photovoltaic panel in real time. The abnormal situation reporting module sends the generated abnormal situation report to the management personnel to facilitate the management personnel to know the specific abnormal situation in a timely manner.

[0040] The stability monitoring module monitors various aspects affecting the connection stability between the photovoltaic module 1 and the building frame through a circuit connection to the line connection stability monitoring unit, the panel-frame connection stability monitoring unit, and the component stability monitoring unit. The line connection stability monitoring unit monitors the stability of the circuit connection of the photovoltaic panels. The panel-frame connection stability monitoring unit monitors whether the connection between the photovoltaic panels and the frame of the photovoltaic module 1 is stable. The component stability monitoring unit monitors whether the screws and bolts for fixing are loose. The line connection stability detection unit monitors the tightness of the lines and the looseness of the joints through a macro AI camera device. An algorithm is implanted in the macro AI camera device, which can send a warning message to the abnormal situation reporting module when the lines and joints are detected to be loose. The panel-frame connection stability monitoring unit analyzes the fastening of the connection between the frame and the panel of the photovoltaic panel through the cooperation of the data acquisition subunit and the data analysis subunit. The data acquisition subunit monitors the relative displacement value between the panel and the frame through magnetoelectric sensors set at different positions. After receiving the data transmitted back by the magnetoelectric sensors at different positions collected by the data acquisition subunit, the data analysis subunit analyzes these data and sends a panel-frame connection warning message to the abnormal situation reporting module when the data transmitted by any four groups of magnetoelectric sensors exceed the set value. The component stability monitoring unit monitors the small displacements of each group of screws and bolts in the installation connection module through micro-displacement sensors and sends a component stability warning message to the abnormal situation reporting module when the displacement values of the screws and bolts exceed the set range; through the interaction and cooperation between the photovoltaic module and the stability monitoring module, the BIPV system can help managers timely detect and handle the loosening problems between the photovoltaic panels and the frame.

[0041] Please refer to Figure 1 、 Figure 5 and Figure 6, an embodiment provided by the present invention: a BIPV system based on photovoltaic wall integration technology, the installation and connection module includes an installation component for each node of the photovoltaic module 1. The installation component includes a steel support bar 2, an aluminum alloy pressing plate 4, an aluminum alloy secondary frame 8, and a thin steel plate 11. Photovoltaic modules 1 are arranged on both sides of the steel support bar 2. A 350mm machine screw 6 is installed through the inside of the steel support bar 2. An aluminum alloy pressing plate 4 is installed on the outer surface of the 350mm machine screw 6, and the aluminum alloy pressing plate 4 is located in front of the steel support bar 2. Plug strips 5 are symmetrically pressed on the rear side of the aluminum alloy pressing plate 4, and the back surface of the plug strip 5 contacts the photovoltaic module 1. An aluminum alloy secondary frame 8 is installed on the outer surface of the 350mm machine screw 6. Adhesive layers 3 are symmetrically installed on the front surface of the aluminum alloy secondary frame 8, and the front surface of the adhesive layer 3 contacts the back surface of the photovoltaic module 1. The adhesive layer 3 includes structural adhesive and double-sided tape. An aluminum alloy pressing block 10 is installed on the outer surface of the 350mm machine screw 6, and the aluminum alloy pressing block 10 is closely attached to the inner back wall of the aluminum alloy secondary frame 8. An aluminum alloy buckle cover 7 is provided on the front surface of the aluminum alloy pressing plate 4. A steel through column 14 is installed on the back surface of the aluminum alloy secondary frame 8, and the 350mm machine screw 6 passes through the inside of the steel through column 14. A thin steel plate 11 is installed on the outside of the steel through column 14 by welding, and the thickness of the thin steel plate 11 is 4mm. A stainless steel bolt 9 is installed through one outer wall of the steel through column 14 and penetrates through the other outer wall of the steel through column 14. 20mm machine screws 13 are symmetrically installed on both sides of the steel through column 14. Galvanized steel plates 12 are installed on both sides of the steel through column 14 by stainless steel bolts 9 and 20mm machine screws 13. A flexible gasket 15 is installed on one outer wall of the galvanized steel plate 12, and the flexible gasket 15 contacts the steel through column 14. A steel through cross beam 16 is installed on one side of the galvanized steel plate 12, and the surface of the steel through cross beam 16 is treated by fluorocarbon spraying.

[0042] Further, when installing and connecting the photovoltaic module 1, the steel support bar 2 provides support force for the connection nodes of the photovoltaic module 1. The glue layer 3 is used to avoid direct contact between the metal and the photovoltaic module 1. The aluminum alloy pressing plate 4 and the aluminum alloy sub-frame 8 clamp and fix the nodes of two groups of photovoltaic modules 1, and the 350mm machine screw 6 is used to fasten the aluminum alloy pressing plate 4 and the aluminum alloy sub-frame 8. The plug strip 5 ensures that the pressing force of the aluminum alloy pressing plate 4 can be transmitted to the photovoltaic module 1. The aluminum alloy cover 7 covers and seals the aluminum alloy pressing plate 4. The aluminum alloy pressing block 10 in the aluminum alloy sub-frame 8 is tightly connected to the steel through column 14 by cooperating with the 350mm machine screw 6. Through the cooperation of the 20mm machine screw 13 and the stainless steel bolt 9, the galvanized steel plate 12 and the steel through cross beam 16 can be stably fixed on the outside of the steel through column 14. The steel plate welded on the outside of the steel through column 14 provides a protective effect for the back of the photovoltaic module 1. By using this installation and connection module to install and fix the photovoltaic module 1, the photovoltaic module is integrated into the building wall, without occupying extra space. At the same time, as a part of the solar power generation facility and the building, the combination of solar energy utilization and building functions is realized. By using this photovoltaic wall integration technology, the building wall can be fully utilized to increase the potential area of solar power generation. By integrating the photovoltaic wall integration technology into the building wall, the dependence on the traditional power grid can be reduced to a certain extent, and the power grid pressure can be alleviated. This method can be combined with panel designs of various colors and textures to perfectly integrate the BIPV system with the building exterior wall style, enhancing the fashion and technological sense of the building appearance.

[0043] Please refer to Figure 1 and Figure 3 As an embodiment provided by the present invention: A BIPV system based on photovoltaic wall integration technology, the photovoltaic cell panel status monitoring module includes a temperature monitoring unit, a light intensity monitoring unit, and an operating voltage monitoring unit. The temperature monitoring unit is used to monitor the temperature of the photovoltaic cell panel in real time. The light intensity monitoring unit is used to monitor the light intensity received by the photovoltaic cell panel. The operating voltage monitoring unit is used to monitor the voltage during the operation of the photovoltaic cell panel. The temperature warning information monitoring unit monitors the temperature of the photovoltaic cell panel in real time through an infrared thermal imager. The infrared thermal imager implants an intelligent algorithm to analyze whether the temperature is abnormal, and sends a temperature abnormality warning message to the abnormal situation reporting module when the temperature is abnormal. The light intensity monitoring unit monitors the light intensity received by the photovoltaic cell panel through a photometer, judges whether the light intensity is within the normal range, and sends a light abnormality warning message to the abnormal situation reporting module when the light intensity is abnormal. The operating voltage monitoring unit monitors the operating voltage of the photovoltaic cell panel through a DC voltmeter, and sends a voltage abnormality warning message to the abnormal situation reporting module when the operating voltage of the photovoltaic panel exceeds the normal range.

[0044] Furthermore, the photovoltaic panel status monitoring module monitors the temperature of the photovoltaic module 1, the light intensity received by the photovoltaic panel, and the operating voltage of the photovoltaic module 1 in real time through the temperature monitoring unit, the light intensity monitoring unit, and the operating voltage monitoring unit. The temperature warning information monitoring unit uses an infrared thermal imager as the monitoring tool. The infrared thermal imager monitors the temperature of the photovoltaic panel in real time. An intelligent algorithm is implanted in the infrared thermal imager. According to the implanted intelligent algorithm, when the monitored temperature output of the photovoltaic module 1 fluctuates outside the normal range, the infrared thermal imager sends a temperature anomaly warning information to the abnormal situation reporting module. The light intensity monitoring unit monitors the light intensity received by the photovoltaic panel through a photometer and determines whether the received light intensity is within the normal range. If the monitored light intensity is not within the normal range, it sends a light anomaly warning information to the abnormal situation reporting module. The operating voltage monitoring unit monitors the operating voltage of the photovoltaic panel through a DC voltmeter and sends a voltage anomaly warning information to the abnormal situation reporting module when the operating voltage of the photovoltaic panel is too low or too high.

[0045] Please refer to Figure 1 , an embodiment provided by the present invention: A BIPV system based on photovoltaic wall integration technology. The power generation performance detection module measures the output current and voltage of the photovoltaic module 1 through a power tester, thereby calculating its output power. The power generation performance detection module measures the incident light intensity on the photovoltaic panel, substitutes the output power data and the incident light intensity into the power generation efficiency formula of the photovoltaic panel, outputs the power generation efficiency data of the photovoltaic panel, and compares the power generation efficiency data of this photovoltaic panel with the operating power generation efficiency of the same type of photovoltaic panel to predict the subsequent power generation efficiency of this photovoltaic panel.

[0046] Furthermore, after the photovoltaic module is installed on the building frame and the BIPV system is subsequently used, the power generation performance detection module measures the output current and voltage of the photovoltaic module through a power tester, thereby calculating its output power according to the output current and voltage. At the same time, by measuring the incident light intensity on the photovoltaic panel, substituting the output power data and the incident light intensity into the power generation efficiency formula of the photovoltaic panel, the power generation performance detection module finally outputs the power generation efficiency data of the photovoltaic panel, and compares the power generation efficiency data of this photovoltaic panel with the operating power generation efficiency of the same type of photovoltaic panel to predict the specific situation of the subsequent power generation efficiency.

[0047] Please refer to Figure 1 and Figure 4, an embodiment provided by the present invention: a BIPV system based on photovoltaic wall integration technology. The abnormal situation reporting module includes an installation situation abnormal reporting unit and an operation abnormal reporting unit. The installation situation abnormal reporting unit is used to report the abnormal connection situation between the photovoltaic module 1 and the building frame, and the operation abnormal reporting unit is used to report the abnormal situation when the photovoltaic module 1 works on the building wall. The abnormal situation reporting module receives the data and abnormal situation warning information from the stability monitoring module, the photovoltaic panel status monitoring module and the power generation performance detection module. The abnormal situation reporting unit generates an abnormal situation report according to the received data and abnormal situation warning information, and sends the abnormal situation report to the management personnel after generating the abnormal situation report.

[0048] Furthermore, the abnormal situation reporting module cooperates with the installation situation abnormal reporting unit and the operation abnormal reporting unit to generate reports for different abnormal situations. The installation situation abnormal reporting unit reports the abnormal connection situation between the photovoltaic module and the building frame, and the operation abnormal reporting unit reports the abnormal situation when the photovoltaic module works on the building wall. The abnormal situation reporting module receives the data and abnormal situation warning information from the stability monitoring module, the photovoltaic panel status monitoring module and the power generation performance detection module. The abnormal situation reporting unit generates an abnormal situation report according to the received data and abnormal situation warning information, and sends the abnormal situation report to the management personnel after generating the abnormal situation report.

[0049] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed claims.

Claims

1. A BIPV system based on photovoltaic wall integration technology, comprising a photovoltaic module (1), an installation and connection module, a stability monitoring module, a photovoltaic panel status monitoring module, a power generation performance monitoring module, and an abnormal situation reporting module, characterized in that: The photovoltaic module (1) includes a photovoltaic panel for converting solar energy into electrical energy. The installation and connection module is used to fix the nodes of each group of photovoltaic modules (1) to the building frame. The stability monitoring module is used to monitor the installation stability of the photovoltaic panel. The photovoltaic panel status monitoring module is used to monitor whether the photovoltaic panel can operate normally. The power generation performance monitoring module is used to detect the power generation performance after the photovoltaic panels are assembled and installed on the frame. The abnormal situation reporting module is used to send an abnormal report to the management personnel; The stability monitoring module includes a line connection stability monitoring unit, a panel-frame connection stability monitoring unit, and a component stability monitoring unit. The line connection stability monitoring unit is used to monitor the circuit connection stability of the photovoltaic panel. The panel-frame connection stability monitoring unit is used to monitor the connection stability between the photovoltaic panel and the frame of the photovoltaic module (1). The component stability monitoring unit is used to monitor the connection stability of the fixing screws and bolts; The line connection stability monitoring unit monitors the tightness of the line and the looseness of the joints through a macro AI camera device, and sends a warning message to the abnormal situation reporting module when the line and joints are loose. The panel-frame connection stability monitoring unit includes a data acquisition sub-unit and a data analysis sub-unit. The data acquisition sub-unit monitors the relative displacement between the panel and the frame through magnetoelectric sensors arranged at different positions. After receiving the data from the data acquisition sub-unit, the data analysis sub-unit analyzes the data, and sends a panel-frame connection warning message to the abnormal situation reporting module when the data transmitted by the magnetoelectric sensors at four groups of positions exceeds the set value. The component stability monitoring unit monitors the small displacements of each group of screws and bolts in the installation and connection module through micro displacement sensors, and sends a component stability warning message to the abnormal situation reporting module when the displacement values of the screws and bolts exceed the set range.

2. The BIPV system based on the photovoltaic wall integration technology according to claim 1, wherein: The installation and connection module includes installation components for each node of the photovoltaic module (1). The installation components include a steel support bar (2), an aluminum alloy pressing plate (4), an aluminum alloy auxiliary frame (8), and a thin steel plate (11). Photovoltaic modules (1) are arranged on both sides of the steel support bar (2). A 350-mm machine screw (6) is installed through the interior of the steel support bar (2). An aluminum alloy pressing plate (4) is installed on the outer surface of the 350-mm machine screw (6), and the aluminum alloy pressing plate (4) is located in front of the steel support bar (2). Plug strips (5) are symmetrically pressed on the rear side of the aluminum alloy pressing plate (4), and the back surface of the plug strip (5) contacts the photovoltaic module (1). An aluminum alloy auxiliary frame (8) is installed on the outer surface of the 350-mm machine screw (6). Adhesive layers (3) are symmetrically installed on the front surface of the aluminum alloy auxiliary frame (8), and the front surface of the adhesive layer (3) contacts the back surface of the photovoltaic module (1). The adhesive layer (3) includes structural adhesive and double-sided tape. An aluminum alloy pressing block (10) is installed on the outer surface of the 350-mm machine screw (6), and the aluminum alloy pressing block (10) closely adheres to the inner back wall of the aluminum alloy auxiliary frame (8). An aluminum alloy buckle cover (7) is provided on the front surface of the aluminum alloy pressing plate (4). A steel through column (14) is installed on the back surface of the aluminum alloy auxiliary frame (8), and the 350-mm machine screw (6) passes through the interior of the steel through column (14). A thin steel plate (11) is installed on the outside of the steel through column (14) by welding, and the thickness of the thin steel plate (11) is 4 mm. A stainless steel bolt (9) is installed through one outer wall of the steel through column (14) and penetrates through the other outer wall of the steel through column (14). 20-mm machine screws (13) are symmetrically installed on both sides of the steel through column (14). Galvanized steel plates (12) are installed on both sides of the steel through column (14) by stainless steel bolts (9) and 20-mm machine screws (13). A flexible gasket (15) is installed on one outer wall of the galvanized steel plate (12), and the flexible gasket (15) contacts the steel through column (14). A steel through cross beam (16) is installed on one side of the galvanized steel plate (12), and the surface of the steel through cross beam (16) is treated by fluorocarbon spraying.

3. A BIPV system based on photovoltaic wall integration technology according to claim 1, characterized in that: The photovoltaic panel status monitoring module includes a temperature monitoring unit, a light intensity monitoring unit, and an operating voltage monitoring unit. The temperature monitoring unit is used to monitor the temperature of the photovoltaic panel in real time. The light intensity monitoring unit is used to monitor the light intensity received by the photovoltaic panel. The operating voltage monitoring unit is used to monitor the voltage during the operation of the photovoltaic panel.

4. The BIPV system based on the photovoltaic wall integration technology according to claim 3, wherein: The temperature monitoring unit monitors the temperature of the photovoltaic panel in real time through an infrared thermal imager. The infrared thermal imager is implanted with an intelligent algorithm to analyze whether the temperature is abnormal, and sends a temperature anomaly warning message to the anomaly reporting module when the temperature is abnormal. The light intensity monitoring unit monitors the light intensity received by the photovoltaic panel through a photometer, judges whether the light intensity is within the normal range, and sends a light anomaly warning message to the anomaly reporting module when the light intensity is abnormal. The operating voltage monitoring unit monitors the operating voltage of the photovoltaic panel through a DC voltmeter, and sends a voltage anomaly warning message to the anomaly reporting module when the operating voltage of the photovoltaic panel exceeds the normal range.

5. A BIPV system based on photovoltaic wall integration technology according to claim 1, characterized in that: The power generation performance monitoring module measures the output current and voltage of the photovoltaic module (1) through a power tester, thereby calculating its output power. The power generation performance detection module measures the incident light intensity on the photovoltaic panel, substitutes the output power data and the incident light intensity into the power generation efficiency formula of the photovoltaic panel, outputs the power generation efficiency data of the photovoltaic panel, and compares the power generation efficiency data of the photovoltaic panel with the operating power generation efficiency of the same type of photovoltaic panel to predict the subsequent power generation efficiency of the photovoltaic panel.

6. The BIPV system based on the photovoltaic wall integration technology according to claim 1, characterized in that: The anomaly reporting module includes an installation anomaly reporting unit and an operation anomaly reporting unit. The installation anomaly reporting unit is used to report the connection anomaly between the photovoltaic module (1) and the building frame. The operation anomaly reporting unit is used to report the anomalies when the photovoltaic module (1) is working on the building wall.

7. A BIPV system based on photovoltaic wall integration technology according to claim 6, characterized in that: The anomaly reporting module receives the data and anomaly warning messages from the stability monitoring module, the photovoltaic panel status monitoring module and the power generation performance detection module. The anomaly reporting unit generates an anomaly report based on the received data and anomaly warning messages, and sends the anomaly report to the management personnel after generating the anomaly report.

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