250 results about "Building integration" patented technology

The invention belongs to the technical field of curtain walls, and particularly relates to a solar building integrated heating, heat preservation and ventilation curtain wall which comprises a frame, a positioning frame is fixedly mounted on the frame, a supporting block is fixedly mounted in the frame, a photovoltaic module is fixedly mounted on the supporting block, a supporting frame is arranged in the frame, and curtain wall glass is fixedly mounted in the supporting frame. A positioning assembly is arranged on the frame, a wind power assembly is arranged in the supporting block, and a storage groove is formed in the supporting block. According to the solar building integrated heating, heat preservation and ventilation curtain wall, curtain wall glass can be conveniently and rapidly disassembled and assembled through the arranged concave groove and the arranged threaded barrel, the output end of the driving motor rotates to drive the threaded rod to rotate, the threaded rod rotates to enable the threaded barrel to move, the supporting frame can be conveniently and rapidly disassembled, and after the replaced curtain wall glass is placed at an installation site, the replaced curtain wall glass can be conveniently and rapidly disassembled. And the adjusting assembly moves in the reverse direction, the position of the strip-shaped block can be adjusted, the supporting frame can be limited, and the purpose of rapidly disassembling and assembling the curtain wall glass is achieved.

The invention relates to the technical field of solar heat collectors, and provides a pitched roof type building integrated solar heat collector which comprises a mounting plate, a solar heat collector body is fixedly connected to the front side face of the mounting plate, a supporting plate is fixedly connected to the back side face of the mounting plate, and an angle adjusting device is arranged at the bottom of the supporting plate; the angle adjusting device comprises a rotating shaft, the circumferential surface of the rotating shaft is rotationally connected to the bottom of the supporting plate, a placing plate is fixedly connected to the circumferential surface of the rotating shaft, and a motor is fixedly connected to the top of the placing plate; through rotation of the output shaft of the motor and cooperation of a threaded sleeve, a pushing strip, a sliding groove, a supporting rod and other assemblies in the angle adjusting device, the effect that when a connecting strip moves backwards, the pushing strip can be driven to move backwards is achieved, and therefore the angle of the solar heat collector can be adjusted, and the solar heat collector can be adjusted to the optimal solar heat receiving angle.

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 utility model discloses a prefabricated concrete roof structure and a photovoltaic bracket based on photovoltaic building integration; the prefabricated structure includes a prefabricated photovoltaic bracket foundation and embedded anchor bars; the lower end of the embedded anchor bars is embedded in the concrete roof panel, and the upper end is exposed; the prefabricated photovoltaic bracket foundation is a reinforced concrete structure, with embedded parts on the top, and reserved sockets that penetrate the concrete and embedded parts are provided inside, and the upper end of the embedded anchor bars is connected to the embedded parts after being inserted into the reserved sockets; the photovoltaic bracket is assembled by main purlins and secondary purlins through a number of buckling components according to a specific module, and the photovoltaic bracket is fixed on the prefabricated photovoltaic bracket foundation arranged in a matrix. The utility model establishes a standard module for photovoltaic brackets, which is suitable for most mainstream crystalline silicon photovoltaic products, facilitates the integrated molding of building roofs and photovoltaic panels, can solve the problem of mismatch between photovoltaic and civil construction construction periods, and greatly improves work efficiency.

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 utility model relates to a building integrated photovoltaic enclosure structure and a building integrated photovoltaic, the building integrated photovoltaic enclosure structure is applied to a building, the building comprises an outer wall, the building integrated photovoltaic enclosure structure comprises a first keel and a plurality of first photovoltaic modules, and the first keel is used for being connected to the outer wall; the multiple first photovoltaic modules are connected to the first keels and located on the sides, away from the outer wall, of the first keels, the ends, away from the ground, of the first photovoltaic modules are the top ends, the ends, close to the ground, of the first photovoltaic modules are the tail ends, and the multiple first photovoltaic modules are inclined relative to the first keels; and the top end of the first photovoltaic module on the lower layer extends between the tail end of the first photovoltaic module on the upper layer and the first keel.

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.

Disclosed in the present invention is a building-integrated photovoltaics system, comprising a back plate layer, a photovoltaic cell layer, and a facing layer from inside to outside. The facing layer comprises, in percentage by weight, 30-40% of a hydraulic material, 30-50% of natural calcium carbonate, 7-16% of an acrylic emulsion, 5-12% of glass fiber powder, 0.1-0.5% of a silane coupling agent, 0.1-0.5% of an acrylic light diffusing agent, and 5-20% of water. In the present invention, the building-integrated photovoltaics system is mounted on a building external wall, a building roof and a roof extension, can implement solar power generation, and is integrated with a building; external colors and patterns match the building; and the function of solar power generation is achieved while the aesthetics of the building is not damaged.

The invention discloses an intelligent site selection and generation method for a building group in a covered land by using a wind, light and heat comprehensive model. The method includes the steps of Mongolian land energy data acquisition, Mongolian land building group layout pattern recognition, wind-solar-thermal comprehensive model construction, energy benefit maximized Mongolian land building intelligent site selection, energy equipment and Mongolian land building integrated scheme generation and multi-scheme scoring and output. According to the method, firstly, a scheme of integrating energy equipment and the masked building is generated by acquiring masked energy data, identifying a layout mode of the masked building group, calculating total energy supply by using a wind-solar-thermal comprehensive model, calculating intelligent site selection of the masked building with maximized energy benefit by using an algorithm, and performing multi-scheme evaluation output. According to the system, regional wind, light and heat clean energy can be comprehensively utilized, site selection and arrangement of the covered-ground buildings are carried out according to energy benefits, a covered-ground building and energy equipment integration scheme is generated, continuous and stable energy supply is provided for the covered-ground buildings, the life happiness index of covered-ground residents is increased, and carbon emission is reduced.

The utility model discloses a photovoltaic photo-thermal liquid flow window, which relates to the field of photovoltaic building integration and comprises outer side glass, a partition cross bar, inner side glass, a solar cell module, circulating water, a circulating water inlet, a circulating water outlet, a shell-and-tube heat exchanger, a water pump, an aluminum alloy side frame, an upper frame and a lower frame. The outer side glass is whole-surface light-transmitting glass and faces outdoors, the upper section of the inner side is inner side glass, and the lower section of the inner side is a solar cell module; the inner side glass and the solar cell module are separated by a separation cross bar, and two ends are welded on the aluminum alloy side frame; the circulating water is deionized water and is positioned between the outer side glass and the inner side glass; the circulating water inlet and the circulating water outlet are respectively positioned in the middle positions of the aluminum alloy lower frame and the aluminum alloy upper frame; the heat exchanger is driven by a water pump to perform internal circulation and exchanges heat with an external circulation working medium through a shell-and-tube heat exchanger; the light transmission of the window is not influenced, the battery is cooled, the temperature is reduced, the efficiency is improved, the utilization efficiency of electricity, heat and solar energy is high, and the return on investment period is shortened.

The utility model provides a solar energy and building integrated building structure, which relates to the technical field of building structures, and comprises a wall body, one side of the wall body is provided with a storage groove, a solar panel is arranged in the storage groove, the wall body is provided with a storage device corresponding to the storage groove, the storage device comprises a movable plate, and the movable plate is arranged on the wall body. The solar panel storage device comprises a wall body and a movable plate, the movable plate is slidably connected with a storage groove of the wall body, the movable plate is rotatably connected with the solar panel, the wall body is fixedly connected with a servo motor through the storage groove, and the output end of the servo motor is fixedly connected with a first gear and a second gear. And when the solar panel needs to be used, the solar panel is moved out of the storage groove, and when the solar panel does not need to be used, the solar panel is retracted into the storage groove to be protected, so that the service life of the solar panel is prolonged.

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 unit type roof system integrating basic unit bodies and building structure decoration. Each basic unit body comprises two supporting columns, each supporting column comprises a column pier on the lower section, a prefabricated steel structure column on the middle section and a steel truss on the upper section, and the two supporting columns are connected through the steel trusses. The two outward extending parts are arranged on the two supporting columns correspondingly, and the outward extending parts are located at the connecting positions of the steel structure columns and the steel truss; and the decorative suspended ceiling is connected with the two outward extending parts and the steel truss. The modular advantage of a unit type roof is exerted, heat preservation and insulation, lighting and sun shading, natural ventilation and integrated utilization of photovoltaic renewable energy sources and a building are combined, the comprehensive performance of the roof is comprehensively improved, the comfort of the internal space is improved, building energy consumption and carbon emission are reduced, and improvement of the overall quality of the building is assisted; and the application of a green low-carbon emission reduction technology in the unit type roof is realized.

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.