193 results about "Building integration" patented technology

The invention discloses a photovoltaic building integrated installation system, which is characterized in that a waterproof support assembly and a transverse guide rail are arranged, and a plurality of photovoltaic units are fixed on the transverse guide rail in a sliding manner; the walking plates are fixed between the photovoltaic units, so that people can walk to maintain the photovoltaic units; the photovoltaic panel is locked and positioned on the supporting plate through an elastic bottom support, a side baffle and a pressing locker on the photovoltaic unit; transverse positioning assemblies are arranged between the adjacent brackets, and transverse moving pushing of the whole photovoltaic unit can be achieved through manual driving. The photovoltaic unit and the roof can be maintained and cleaned by personnel, and permanent damage caused by the fact that a building cannot be repaired is avoided; the photovoltaic panel arranged inside can be flexibly maintained or replaced, and the operation is simple and convenient; the waterproof and drainage design is achieved, rainwater invasion is reduced as much as possible, and due to the fact that the moisture removal performance of the roof provided with the photovoltaic panel is poor, the roof corrosion progress can be reduced through the design, and the house water leakage risk is reduced.

The invention discloses a photovoltaic car shed integrated device and a using method thereof, and belongs to the technical field of photovoltaic power generation and building integration. Comprising an intelligent photovoltaic power generation module which realizes efficient photoelectric conversion and has the functions of shed sunshade and rainwater collection; the power conversion module executes efficient bidirectional power conversion and intelligent flow direction control among three ports of photovoltaic power generation, an energy storage battery and a charging load; the intelligent energy storage management module realizes safe and reliable operation and service life maximization of an energy storage battery; the intelligent charging service module is used for dynamically adjusting the charging power and realizing intelligent charging scheduling through user behavior learning; the predictive energy management module is used for realizing real-time prediction and optimal scheduling of generated power and load requirements and maximizing economic benefits; the modular structure integrated module supports quick installation, independent maintenance and flexible expansion of each functional module through a standardized interface design and a quick-plug connector, and provides unified mechanical support and environmental protection at the same time.

The utility model belongs to the field of photovoltaic building integration, and discloses a roof photovoltaic system which comprises roof tiles, a plurality of fasteners, a plurality of supporting pieces, a plurality of pressing blocks and a plurality of photovoltaic assemblies. A plurality of concave grooves are formed in the roof tiles; the plurality of fasteners are respectively mounted in the sunken grooves; the bottoms of the supporting pieces are fixed to the roof tiles through fasteners respectively. The multiple pressing blocks are fixed to the tops of the supporting pieces correspondingly. And the plurality of photovoltaic modules are respectively fixed on the supporting piece through pressing blocks. According to the utility model, the photovoltaic assembly is fixed on the support member through the pressing block, and the support member is fixed on the roof tile through the cooperation of the plurality of fasteners and the recessed groove, so that not only can the structure of the roof tile be prevented from being damaged, but also the support member and the roof tile are connected into a whole through the plurality of fasteners, and a better fixing effect is achieved; the stability and reliability of the roof photovoltaic system are improved, and the failure of the photovoltaic system caused by the fact that the photovoltaic module is locally subjected to large external force when the roof photovoltaic system encounters external force such as strong wind is avoided.

The invention discloses an anti-slip photovoltaic floor tile and a manufacturing method thereof, and relates to the technical field of photovoltaic building integration, and the anti-slip photovoltaic floor tile comprises an integrally packaged photovoltaic module. The rough anti-skid layer with a high friction coefficient is formed by adopting the glaze-plated anti-skid tempered glass layer and applying special pretreatment and a dry granular glaze sintering process, in the aspect of power generation performance, standard double-glass packaging is matched with the reflection synergistic effect of the white PVB adhesive film, the efficient and reliable photoelectric conversion capacity is ensured, and the service life of the photovoltaic module is prolonged. And excellent waterproof, dustproof, weather-proof and anti-aging performances are provided through comprehensive sealing protection, long-term durability in outdoor harsh environments is guaranteed, in addition, a lead hole is preset, the positive and negative electrode connectors capable of being quickly plugged and unplugged and a base is integrated with a lead channel design, convenient, safe and hidden wiring of electrical connection is realized, and the service life of the electric connector is prolonged. The installation and maintenance process is greatly simplified, the ground space utilization efficiency is remarkably improved, and the photovoltaic power generation function is perfectly integrated into ground pavement.

The invention belongs to the technical field of photovoltaic building integration, and discloses a building photovoltaic integration space deployment method under double constraints of vision and performance, a grid division and target point selection technology is utilized to screen a photovoltaic deployment building surface, and the method can enable the layout of photovoltaic modules to be more scientific and reasonable and improve the construction efficiency. The problem that in a traditional method, due to the fact that judgment only depends on illumination conditions or simple experience, building faces are selected improperly is solved, and it is ensured that the photovoltaic system can receive solar energy to the maximum extent. Meanwhile, a dynamic shadow shielding calculation method is adopted, the shielding effect of the surrounding environment is considered, and the photovoltaic potential of the building surface is fully evaluated and excavated. Through a multi-objective optimization method, the power generation performance and visual influence of a photovoltaic system are comprehensively considered, and an optimal balance point is found. Therefore, the efficient operation of the photovoltaic system is ensured, the negative influence of the photovoltaic system on the visual environment is reduced, and the scientificity and practicability of the installation scheme are improved.

The invention relates to a curved-surface photovoltaic tile based on a back contact battery and a preparation method thereof, and belongs to the technical field of photovoltaic building integration. The curved-surface photovoltaic tile comprises a curved-surface front hard board and a curved-surface rear board; the solar prefabricated laminated piece is arranged between the curved surface front hard board and the curved surface rear board, the solar prefabricated laminated piece comprises a plurality of photovoltaic cell pieces, and the photovoltaic cell pieces are back contact solar cell pieces, are arranged in the longitudinal direction of the tile and are electrically connected through conductive interconnection strips to form a cell string; wherein at least one of the curved surface front hard plate and the curved surface rear plate is constructed to be a rigid curved surface plate, and the rigid curved surface plate comprises a plurality of bending parts which are connected in sequence. And by utilizing the characteristic that the front surface of the BC battery is free of metal grid lines, the surface of the photovoltaic tile is integrated, the whole is dark or black, the appearance is simple and harmonious, and the photovoltaic tile can be perfectly fused with a traditional roof.

The invention discloses a building integrated photovoltaic power generation potential prediction method and system, and belongs to the technical field of building photovoltaic power generation evaluation.The building integrated photovoltaic power generation potential prediction method comprises the steps that spatial form prediction data, remote sensing images and a GIS of a set area building are integrated, a three-dimensional set area digital twinborn model is constructed, land use properties are recognized through a deep learning algorithm, and functional partitions are divided; based on the digital twinborn model of the three-dimensional set area, determining the total building area of the set area in a zoning manner; the building integrated photovoltaic available area and the building integrated photovoltaic installation density are determined in a partitioned mode; determining the optimal installation angle and arrangement mode of the building integrated photovoltaic module by using an optimization algorithm, and respectively determining the surface radiation quantity and effective surface area of the photovoltaic module in different partitions; and predicting photovoltaic developable installed capacity and annual power generation potential of different partitions in a spatial form adjustment period of the building by constructing a time sequence prediction model of a fusion decomposition strategy and a fusion swarm intelligent optimization algorithm.

The utility model belongs to the technical field of photovoltaic building integration, and particularly relates to photovoltaic water guide plate fixing supports and a vertical water guide component, the photovoltaic water guide plate fixing supports are used for fixing a water guide plate, the water guide plate comprises a water guide groove with an upward opening, and the photovoltaic water guide plate fixing supports are arranged at intervals in the length direction of the water guide plate. The stability of the water guide plate is guaranteed, the structure of the water guide plate only needs to meet the drainage function of the water guide groove, the preparation process of the water guide plate is simplified, and the material cost and the manufacturing cost of the water guide plate are reduced. The water guide plate limiting parts are arranged on the left side and the right side of the photovoltaic module connecting part, the water guide plate limiting parts are connected with the two side edges of the water guide groove respectively, the photovoltaic water guide plate fixing support is fixed through the fixing connecting parts at the lower ends of the water guide plate limiting parts, and therefore fixing of the water guide plate is completed. As the photovoltaic module connecting part is located in the water chute, the connecting and drainage functions of the photovoltaic module are met.

The invention relates to the technical field of building digital design and performance optimization, and discloses an intelligent optimization method for building parameters of an interactive large language model.The method comprises the steps that firstly, mapping association and data standardization of multi-level parameters are achieved by building a material-structure-building integrated collaborative parameter library; laws and regulations and user requirements are analyzed, and a quantifiable design rule set is formed; on the basis, multi-dimensional parameterization intelligent design is implemented through LLM interaction to automatically generate an IDF file capable of being simulated by EnergyPlus, and a link from design to simulation is opened; a deep reinforcement learning model is constructed on the basis of scheme performance data, multi-target adaptive optimization of energy consumption, comfort and cost is realized to generate a Pareto optimal recommendation scheme, finally, the LLM interprets the Pareto optimal recommendation scheme to generate a compliance demonstration and demand adaptation report, a whole-process closed loop from design to interpretation is completed, and a demand adaptation report is generated. Therefore, the building design efficiency and the comprehensive performance are greatly improved.

The invention discloses an HJT solar cell based on a metal grid copper electrode, which comprises an N-type monocrystalline silicon substrate, the front surface and the back surface of the N-type monocrystalline silicon substrate are respectively textured, an I-type amorphous silicon layer and a P-type amorphous silicon layer are sequentially laminated on the front surface of the N-type monocrystalline silicon substrate, and an I-type amorphous silicon layer and an N-type amorphous silicon layer are sequentially laminated on the back surface of the N-type monocrystalline silicon substrate; the surface of the P-type amorphous silicon layer and the surface of the N-type amorphous silicon layer are both covered with transparent conductive oxide layers, the transparent conductive oxide layers are coated with transparent conductive colloid layers, the transparent conductive colloid layers comprise transparent resin binders and conductive substances dispersed in the transparent resin binders, and metal grid copper electrodes are arranged on the transparent conductive colloid layers; through precise design of the line width and the spacing of the metal grid copper electrode, the shading rate can be reduced to the maximum extent while low square resistance and efficient current collection can be ensured, and the requirements of scenes such as building integrated photovoltaic and the like for high-light-transmittance and low-resistance electrodes are met.

A building integrated thermal and photovoltaic cladding system includes: an exterior layer including photovoltaic elements, an interior layer including heat exchange modules; a load-bearing structure including one or more spacers configured to maintain the exterior layer in spaced apart relation to the interior layer, and providing an air flow conduit therebetween for receiving air from the exterior, the air flow generally passing over the interior layer by natural circulation.

Building integrated photovoltaic (BIPV) systems provide for solar panel arrays that can be aesthetically pleasing to an observer. BIPV systems can be incorporated as part of roof surfaces as built into the structure of the roof, particularly as photovoltaic modules having the appearance of a plurality of roofing tiles that each have photovoltaic cells. Each photovoltaic module may include a metal backer, photovoltaic cells, and light transmissive top sheets adhered to both the metal backer and the photovoltaic cells. BIPV systems can also include non-photovoltaic modules that appear similar to photovoltaic modules, but do not collect solar energy.

1. Name of the Design Product: Graphical User Interface of the Building Low-Carbon Energy Management Platform for Electronic Devices. 2. Use of the Design Product: For an electronic device. 3. Design Key Points of the Design Product: Lie in the graphical user interface. 4. Picture or Photo Best Showing the Design Key Points: Front View. 5. The electronic device is of conventional design, and other views of the electronic device are omitted. 6. Use of the Graphical User Interface: For running the building low-carbon energy management platform program. 7. Human-Computer Interaction Method of the Graphical User Interface: Click "Login" in the front view to jump to Interface Change State Diagram 1; click "Efficient Machine Room" in Interface Change State Diagram 1 to jump to Interface Change State Diagram 2; click "Smart Air Compressor Station" in Interface Change State Diagram 2 to jump to Interface Change State Diagram 3; click "Smart Environment" in Interface Change State Diagram 3 to jump to Interface Change State Diagram 4; click "Indoor Environment Monitoring" in Interface Change State Diagram 4 to jump to Interface Change State Diagram 5; click "Building Integration" in Interface Change State Diagram 5 to jump to Interface Change State Diagram 6; click "Smart Space" in Interface Change State Diagram 6 to jump to Interface Change State Diagram 7; click "Elevator Monitoring" in Interface Change State Diagram 7 to jump to Interface Change State Diagram 8; click "Array Mode" in Interface Change State Diagram 8 to jump to Interface Change State Diagram 9; click "Timing Management" in Interface Change State Diagram 9 to jump to Interface Change State Diagram 10; click "Year" in Interface Change State Diagram 10 to jump to Interface Change State Diagram 11; click "Mode Management" in Interface Change State Diagram 11 to jump to Interface Change State Diagram 12.

A building integrated photovoltaic (BIPV) system. The BIPV system includes a plurality of photovoltaic elements. A cable couples the plurality of photovoltaic elements to an energy storage. A plurality of cladding backplates secure the plurality of photovoltaic elements to a building envelope. Each of the cladding backplates including an upper ridge and a lower ridge to secure the photovoltaic element therebetween. A connection tab is positioned on a lateral side of the cladding backplate.

The invention discloses a photovoltaic module installation method based on building surface characteristics, and belongs to the technical field of new energy and building integration. According to the method, a comprehensive characteristic model including curvature, material and thermal performance is constructed by fusing three-dimensional laser scanning and infrared thermal imaging data; based on a model, designing a mounting base adaptive to a curved surface or a plane, optimizing component layout by using a building information modeling technology, and monitoring mounting stress in real time through a distributed sensor network; during fixing, a heat-conducting gasket is laid, an adjustable bolt is used, and a seam is sealed; a flexible conductive band and a modular junction box are adopted for electrical connection; and finally carrying out illumination response, wind resistance and thermal stability tests. According to the invention, comprehensive perception and self-adaptive installation of building surface characteristics are realized, and the installation precision, the structural safety and the energy conversion efficiency are improved.

The utility model relates to a multifunctional passive photovoltaic photo-thermal building integrated system which comprises a house body, and a sunny side, a nightside and a roof of the house body are respectively provided with a double-layer structure so that communicated cavities can be formed in the sunny side, the roof and the nightside. A first ventilation opening communicated with the outside is formed in the lower portion of the outer wall of the sunny side, a second ventilation opening communicated with the interior is formed in the lower portion of the inner wall of the sunny side, a third ventilation opening communicated with the interior is formed in the lower portion of the inner wall of the nightside, and a fourth ventilation opening communicated with the outside is formed in the upper portion of the outer wall of the nightside. A chimney-shaped structure communicated with the cavity is arranged above the cavity located on the nightside, a fifth ventilation opening communicated with the outside is formed in the top of the chimney-shaped structure, baffles are arranged at the first ventilation opening to the fifth ventilation opening, and airflow is allowed to pass when the baffles are opened. The system can achieve the functions of indoor heating, heat preservation, ventilation, cooling and the like of a building.

The invention provides a method and system for evaluating the integrated photovoltaic potential of buildings in a high-density urban area, and the method comprises the steps: obtaining the color point cloud data of a city through the photographing and surveying of an unmanned plane, introducing the physical priori knowledge through algorithm design, and assisting a neural network in extracting a feature vector for representing the characteristics of a building group from the data; comprising the steps of point cloud sampling, normal estimation, window-wall ratio estimation and geographic orientation angle calculation, so that the model can learn implicit relation between the urban form and a photovoltaic potential prediction result; aiming at a scene of comprehensively realizing photovoltaic integration popularization of medium and large-scale buildings, the power generation efficiency of building facades and photovoltaic modules mounted at different positions of windows and walls is considered, feature vectors are input into a regression prediction framework formed by a one-dimensional point cloud neural network, evaluation errors are reduced, systematic deviation of resolution is avoided, and the evaluation accuracy is improved. Data acquisition and prediction are facilitated, and the function of predicting the maximum photovoltaic power generation potential after the building is comprehensively paved with the BIPV is realized.

A system and method for connecting and fastening framed solar panels to create a weatherproof, building-integrated modular surface for substrate battens. The system includes a connecting means including a top strip, a left strip, and a right strip fabricated based on a U-shaped profile, with the side strips configured to engage adjacent side strip structures and mounting brackets of various shapes. Optional extended top and side strip extension strips are also provided, allowing the modular surface created by the framed solar panels to be expanded in both height and width as needed.

This invention discloses a building-integrated photovoltaic (BIPV) solar junction box, comprising a box body, diodes, terminals, and busbars. The box body includes a main body and an extension. The main body is elongated, and the extension extends downward from the bottom of the main body, being sheet-like and perpendicular to the bottom of the main body. The diodes and terminals are located inside the main body. There are two terminals spaced apart along the length of the main body, and the diode is vertically positioned between the two terminals. The two leads of the diode are welded and fixed to the corresponding terminals. There are two busbars, perpendicular to the terminals. One end of the busbar is welded and fixed to the corresponding terminal, and the other end of the busbar extends out of the box body after passing through the extension. This BIPV junction box is easy to install and has strong sealing performance.

The invention provides a fabricated photovoltaic roof system suitable for photovoltaic building integration. The fabricated photovoltaic roof system comprises a photovoltaic panel, a pressing block, a pressing block bolt, a lock clamp, a lock clamp bolt, a roof panel and a supporting bracket, the photovoltaic panel is arranged at a preset position of the roof panel and is stably connected through a double fixing mode of the pressing block and the lock clamp. The pressing block bolt penetrates through the pressing block to be matched with the lock clamp, so that the position of the pressing block can be adjusted and fixed, and the photovoltaic panel is convenient to mount and dismount; the roof panel is provided with a middle wave crest and a side wave crest which are fixedly connected with the roof panel middle support and the side support respectively, and stability is enhanced through welding. The supports are all made of stainless steel materials, and a reliable installation foundation is provided. The photovoltaic module is combined with the roof structure, and the roof space is fully utilized for green energy production; due to the assembly type structural design, the system is convenient to install, good in overall stability and high in durability; the adjustability of the pressing block bolt ensures the stability of the photovoltaic panel and is easy to maintain and replace, and a new solution is provided for photovoltaic building integration.

The utility model relates to the technical field of building structures, and discloses a parapet wall construction node of a photovoltaic building integrated roof. Roof panels; the outer wall is provided with a parapet wall higher than the supporting layer; the surrounding plate is arranged on the outer wall in a surrounding manner; the surrounding plate comprises a first plate, a second plate and a third plate which are connected in sequence; the edge plate body of the third plate is close to the roof panel; the sealing piece is positioned between the edge plate body of the third plate and the roof plate; the folded edge is formed by bending and extending an edge plate body on one side, close to the parapet wall, of the roof panel; according to the parapet wall construction node of the photovoltaic building integrated roof, the coaming is arranged on the parapet wall and matched with the sealing piece and the anti-overflow folded edge, a complete and continuous protective covering area layer is formed, water flow is effectively prevented from permeating into the inner side of the roof through a gap in the connecting position of the parapet wall and the roof, and the waterproof effect is good. The waterproof performance of the roof is greatly improved, and meanwhile it is guaranteed that the heat preservation performance of the roof structure is not affected.

The utility model belongs to the technical field of photovoltaic building integration, and particularly relates to a waterproof decorative component and a photovoltaic tile system, which are characterized in that the waterproof decorative component is arranged between a photovoltaic assembly and a conventional building tile or between two photovoltaic assemblies or two conventional building tiles; the first connecting part and the second connecting part of the waterproof decoration component are respectively connected with the longitudinal edge of a photovoltaic module or the longitudinal edge of a conventional building tile, so that the waterproof and drainage effects are achieved, and the waterproof and decoration effects are achieved by utilizing the decoration part between the first connecting part and the second connecting part.

The application relates to a building integrated photovoltaic system, which comprises a truss, photovoltaic units and a controller, the truss is fixedly connected to the outer facade of a building, the photovoltaic units comprise transparent units and light-blocking units, each photovoltaic unit comprises an assembly frame connected to the truss, the light-blocking unit further comprises a first photovoltaic assembly in the form of a plate embeddedly connected to the assembly frame. The transparent unit further comprises photovoltaic glass embeddedly connected to the assembly frame and a sunshade mechanism. The sunshade mechanism comprises an adjusting assembly and a second photovoltaic assembly rotatably connected to the adjusting assembly, the height of the adjusting assembly is greater than the maximum height of the assembly frame, one end of the second photovoltaic assembly is rotatably connected to the adjusting assembly and can be controllably rotated around the adjusting assembly to block part of sunlight from shining on the photovoltaic glass, and the controller is electrically connected to the first photovoltaic assembly and the second photovoltaic assembly. By combining the transparent units and the light-blocking units and combining the photovoltaic glass and the light-blocking second photovoltaic assembly, the power generation capacity is improved.

The application relates to the technical field of energy management, and particularly discloses an integrated energy management system of a light storage building based on edge computing, which comprises a data acquisition module, which is used for collecting inverter operation state data, current sensor operation state data and light data in the energy management system in real time through edge computing. The operation state of the inverter can be analyzed by combining the data collected in the data acquisition module, and whether the operation state of the inverter is abnormal can be analyzed. Then, the performance of the inverter can be evaluated in real time by combining the real-time collected energy storage system data, and whether the performance change of the inverter will cause additional energy loss and reduce the power generation efficiency can be further analyzed. Then, whether the inverter optimization operation is needed is decided based on the analysis result, that is, the inverter can be optimized to avoid the occurrence of the condition of reducing energy loss, so that the power generation efficiency is improved and the energy utilization is maximized.

The utility model relates to the technical field of solar cell modules, in particular to an ultra-black photovoltaic module, which comprises a plurality of cells which are uniformly arranged in an array, gaps are arranged between adjacent cells, the cells are communicated into a plurality of rows of cell strings through series welding strips, the same ends of all rows of cell strings are connected to a bus bar, and the same ends of all rows of cell strings are connected to the bus bar. The upper surface of the battery piece is connected with front glass through a layer of packaging adhesive film, the series welding strip and the bus bar are provided with a black separation blade with a plurality of air ports, the air ports are arranged in one-to-one correspondence with the positions of the battery piece, and the lower surface of the battery piece is connected with a black back plate through a layer of packaging adhesive film. A black frame is arranged around the edges of the front glass and the black back plate, and the black frame is flush with the upper surface of the front glass; the utility model is suitable for the fields of high-end building integration, landscape facilities and the like; and the frame is flush with the upper surface of the front glass, and the gluing seam is black, so that the consistency and attractiveness of the front of the photovoltaic module are further improved, drainage is facilitated, and the phenomenon of water accumulation in a groove is avoided.

The utility model relates to the technical field of air purification, and provides a building integrated air purification device which is characterized in that a filter assembly for filtering air is arranged in an upper support, and an inner cleaning assembly capable of cleaning and scraping up and down in a reciprocating manner is arranged on the inner side of the filter assembly in the upper support; according to the design, dust attached to the inner side of the filter screen piece can be scraped and fall to the bottom of the upper support, a dust suction assembly is arranged at the bottom of the upper support, fan blades can be driven to rotate by starting a driving motor, and then the dust which is located in the upper support and is scraped and falls is sucked into a drawing box; compared with a comparison file, the dust collection device has the advantages that the dust generated during air purification can be rapidly collected, so that the filtering efficiency is guaranteed, and meanwhile, the follow-up cleaning labor intensity is reduced.

The present invention relates to a detachable and functional building-integrated photovoltaic system and a method for installing same and, more specifically, to a detachable and functional building-integrated photovoltaic system which can secure earthquake-resistant and heat insulating performances by coupling photovoltaic modules on both sides to an exterior wall structure through a double-fitting joint method while the photovoltaic modules are coupled with a sealed space therebetween, and thereby enabling easy and quick installation and maintenance through simple attachment / detachment along with firm fixation.

The utility model belongs to the technical field of photovoltaic building integration, and particularly relates to a photovoltaic tile vertical water guide connecting piece, which is characterized in that two opposite supporting surfaces are arranged on a fixed base, a water guide groove with an upward opening is arranged on a water guide plate, and two side walls of the water guide groove are erected on the supporting surfaces, so that the vertical water guide connecting piece is formed. Therefore, the water guide plate can be supported, and drainage can be achieved through the water guide plate with the small thickness. The connecting assembly is detachably arranged on the fixed base, and the connecting assembly comprises two oppositely arranged fixed clamping grooves, so that the connection of two adjacent plates can be realized, and the supporting and fixing of the plates such as photovoltaic panels can be realized; and it can be guaranteed that rainwater above the plates is gathered into the water guiding grooves to achieve directional drainage.

The invention discloses a roof photovoltaic support, and belongs to the technical field of photovoltaic building integration. The support mainly comprises a support unit, a photovoltaic unit and a drainage unit. The support unit forms a stable supporting frame through a longitudinal piece, an adjustable supporting piece and a horizontal piece. The photovoltaic units are fixed to the horizontal pieces through the crimping pieces, and all photovoltaic panels are located on the same inclined plane to jointly form the photovoltaic pitched roof. The drainage unit collects rainwater through a second mounting groove in the top of the horizontal rod, and the rainwater is converged into a drainage groove of the longitudinal piece and finally guided into a drainage ditch. Through the integrated design, shielding between the photovoltaic panels is effectively avoided, and the roof area is utilized to the maximum extent; the integrated drainage system solves the drainage problem of the photovoltaic roof; meanwhile, the support is stable in structure, flexible and convenient to install and good in adaptability and attractiveness, and high efficiency, harmony and unification of a photovoltaic system and a building roof are achieved.

The invention provides a roof photovoltaic system installation device, and belongs to the technical field of building integrated photovoltaic (BIPV). A connecting piece is connected with a bottom beam through a supporting piece to install a photovoltaic support, a photovoltaic panel is installed through the photovoltaic support, the supporting piece is installed on a column piece, and a fixed base plate is arranged on a roof. A plurality of fixing pieces penetrate through the fixing base plate and penetrate into the roof in an interference mode, so that fixing and sealing of the connecting pieces on the roof are achieved; the flexible waterproof coiled material is arranged on the column body part in a sleeving mode, the inner surface of the waterproof layer and the surface of the roof are sealed through the hot melting bonding face of the flexible waterproof coiled material, meanwhile, the installation device is suitable for the situation that the outer surface of the waterproof layer on the roof is aged, the damage degree and the water leakage performance of the plant roof are reduced, and the waterproof performance of the plant roof is improved; and the construction technology and the production quality and safety in a plant are guaranteed, and the method has wide applicability.