77results about How to "Guaranteed power generation efficiency" patented technology

The invention relates to the related technical field of fabricated building outer walls, and discloses a severe cold area fabricated building outer wall based on a thermoelectric power generation technology, which comprises a fabricated wall body module, a thermoelectric power generation module, a heat collection structure module, a circuit connection module, an energy management module and a data monitoring module, the fabricated wall body module is a solid prefabricated concrete shear wall composed of an inner leaf wall plate, a heat preservation layer and an outer leaf wall plate, the heat collection structure module is fixedly installed on the outer wall of the fabricated wall body module, and the heat collection structure module comprises a heat absorption plate, a glass cover plate and a shell; according to the core component, the nickel-chromium alloy and the constantan alloy which are high in stability are directly welded for power generation, other technologies do not need to be combined, the core component can be directly applied to the building field, and under the condition that the power generation efficiency is guaranteed, the construction requirement of the building field is met as much as possible; and a brand new thought is developed for the energy-saving design of the fabricated building wall.

The invention provides a photovoltaic array optimization generation method and device, electronic equipment and a storage medium, and the method comprises the steps: calculating a target inclination angle of a photovoltaic module unit in a target photovoltaic power station based on meteorological data and factory site geographic data of the target photovoltaic power station; obtaining an inverter type of a target photovoltaic power station, and determining a target number of photovoltaic module units connected with each inverter according to the inverter type; according to the factory site geographic data, calculating a target distance between the photovoltaic module units; and inputting the target inclination angle, the target number and the target spacing into an array optimization model for array optimization, and generating an optimized array of the target photovoltaic power station. Compared with the prior art, according to the embodiment of the invention, illumination absorption is maximized through the target inclination angle obtained through calculation, so that the power generation efficiency is improved; and the target inclination angle, the assembly number and the spacing are input into the array optimization model, so that a scientific basis can be brought to the design of the photovoltaic power station, and the overall performance and economic benefits of the system are further improved.

The invention discloses a Carnot battery system based on a cross-seasonal energy storage technology and a control method, and the Carnot battery system comprises a cascade heat pump unit, a buried pipe heat storage unit, an organic Rankine cycle unit and a renewable heat source utilization energy storage unit, when the temperature of the external environment is high in summer, heat exchange with the external environment can be conducted through the first heat removal and exchange module to provide a heat source for the second heat removal and exchange module, and heat exchange is conducted through the second heat removal and exchange module so that the temperature of a power generation fluid medium can be increased; when the external environment temperature is low in winter, a heat source can be provided for the second heat removal and exchange module through heat exchange between the first heat exchange module and the buried pipe heat storage unit, heat exchange is conducted through the second heat removal and exchange module so that the temperature of a power generation fluid medium can be increased, and the energy storage system is prevented from being affected by the external temperature; and high-efficiency operation in different seasons is ensured. The method provided by the invention solves the technical problem of low power generation efficiency in winter by utilizing environment heat exchange in the Carnot battery energy storage technology in the prior art.

The invention discloses a photovoltaic panel and a supporting device thereof, and belongs to the technical field of photovoltaic panels, and the photovoltaic panel comprises a photovoltaic panel main body, a supporting frame is fixedly arranged on the lower side of the photovoltaic panel main body, a supporting column is fixedly connected to the bottom of the supporting frame, a rotating frame is rotatably connected to the supporting column, and an adjusting mechanism is rotatably connected to the rotating frame. A protective cover is fixedly connected to the adjusting frame, a weeding mechanism is rotatably connected to the bottom end of the adjusting frame, and a movable frame is arranged in the adjusting frame in a sliding fit mode. In the photovoltaic panel, in the use process of the photovoltaic panel, after weeds below the photovoltaic panel grow to a certain height, the cutter bar can be driven to rotate by using the rotating frame, so that the cutter bar automatically weed the weeds below the photovoltaic panel, it is ensured that illumination of the area below the photovoltaic panel is not shielded, potential threats of the illumination to a photovoltaic system are reduced, and the photovoltaic system is protected. Long-term stable operation of photovoltaic equipment is ensured, the power generation efficiency of a photovoltaic panel is maintained, the manual maintenance cost is reduced, and the overall management level is improved.

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation device adaptive to illumination angle adjustment, which comprises a plurality of mounting frames, one side wall of each mounting frame is provided with a T-shaped groove, the other side wall of each mounting frame is fixedly provided with a T-shaped block, and the adjacent T-shaped blocks are matched with the T-shaped grooves in an inserted manner. The top surfaces of the mounting frames are rotatably connected with photovoltaic power generation panel bodies through hinge shafts, overturning assemblies are fixedly arranged in the middles of the mounting frames, protective blocks are arranged on the overturning assemblies, the mounting frames are mounted on the top surfaces of tripods, supporting pieces are fixedly arranged on the bottom surfaces of the tripods, and the lower ends of the supporting pieces are rotatably connected with bases; wherein a cleaning assembly is arranged on one mounting frame, and a cleaning roller is arranged on the cleaning assembly. The number of the photovoltaic power generation panel bodies can be conveniently increased or decreased to adapt to power generation requirements of different scales, assembly, disassembly and maintenance of the photovoltaic power generation panel bodies are facilitated, the use convenience and flexibility are improved, and the operation cost is reduced.

The invention discloses a marine information comprehensive online monitoring buoy system, and belongs to the technical field of monitoring buoys. A marine information comprehensive online monitoring buoy system comprises a floating body, a shell is fixedly arranged at the top of the floating body and comprises a main shell body, an upper shell body and a middle shell body rotationally connected between the main shell body and the upper shell body, a fixing rod is fixedly arranged between the main shell body and the upper shell body, and a mounting base is fixedly arranged in the main shell body; a storage battery and a generator electrically connected with the storage battery are arranged on the mounting base, a conical solar panel assembly is fixedly arranged on the outer side of the middle shell, and a monitoring station is arranged at the top of the upper shell; impact of sea waves on buoy equipment is relieved through the buffering power generation assembly, the stability and the service life of the buoy are guaranteed, meanwhile, power potential energy of the sea waves can be used for driving the generator to work, the generator converts mechanical energy into electric energy which is stored by the storage battery, and the power generation efficiency of the buoy equipment is guaranteed; therefore, the monitoring buoy can work stably for a long time.

The photovoltaic floor tile comprises a frame, the frame is of a regular hexagon structure, supporting legs are arranged on the lower portion of the frame, an upper cover plate is fixedly arranged at the upper end of the frame, the upper cover plate is made of thermoplastic transparent plastic, a plurality of protruding strips with the cross sections being isosceles trapezoids are arranged on the upper end face of the upper cover plate, and the cross sections of the protruding strips are isosceles trapezoids. The lower end of the frame is fixedly connected with a bottom shell, the middle of the bottom shell protrudes upwards, a groove is formed in the middle of the protrusion, the groove is filled with a photovoltaic substrate, tempered glass is arranged between the photovoltaic substrate and the upper cover plate, and the edge of the protrusion supports the edge of the lower portion of the tempered glass. The photovoltaic floor tile is antiskid, and the upper cover plate of the photovoltaic floor tile is easy to clean, maintain and replace.

The invention discloses a photovoltaic water collection system with an automatic dust removal function. The photovoltaic water collection system comprises a photovoltaic water collection device, a sedimentation tank, a water storage tank, a dust coverage recognition device, a spraying device, a soil moisture content monitoring device and a big data control center, a water collecting pipe is arranged on the photovoltaic water collecting device, the water collecting pipe is connected to the settling pond to feed rainwater collected by the photovoltaic water collecting device into the settling pond, the settling pond is connected with the water storage pond, and clear water precipitated in the settling pond is fed into the water storage pond. According to the device, rainwater collection is achieved through the photovoltaic water collection device, precipitation and collection of rainwater are completed through the precipitation tank and the water storage tank, soil irrigation is achieved through the irrigation pipe, and automatic irrigation and fertilization of soil are achieved through the soil moisture content monitoring device; dust coverage of the photovoltaic water collection device is recognized through the dust coverage recognition device, dust cleaning of the photovoltaic water collection device is achieved in cooperation with the spraying device and the big data control center, the water collection efficiency and quality are effectively improved, and the power generation efficiency of the photovoltaic device is guaranteed through dust cleaning.

The invention discloses an adjustable photovoltaic power generation device based on a wind generating set, and relates to the field of photovoltaic power generation, the adjustable photovoltaic power generation device comprises a stand column, the wind generating set and fan blades, the outer wall of the stand column is provided with a placing plate at the top of the fan blades, the placing plate is provided with an arc-shaped sliding groove, and the top of the placing plate is rotatably provided with a photovoltaic module. And illumination modules are arranged on the two sides of the photovoltaic module, one end of each fan blade is connected with a worm, one side of each fan blade is meshed with a worm gear, and the bottom of each worm gear is connected with a transmission mechanism. Through cooperation of a connecting rod and a winding rod, a sliding block can slide in an arc-shaped sliding groove in a reciprocating mode, a photovoltaic module is driven to conduct orientation adjustment, a telescopic cylinder can be driven to move upwards when illuminance is different, and therefore adjustment work of the photovoltaic module is completed, when the illuminance is the same, meshing with a driven gear is disengaged, and the illumination intensity of the photovoltaic module is adjusted. And the condition of excessive adjustment of the photovoltaic module is prevented.

The invention belongs to the field of basalt fiber photovoltaic supports, and discloses an energy-consuming basalt fiber photovoltaic support without trepanning connection, which is characterized in that a plurality of groups of energy-consuming connecting pieces are arranged on a stand column, and each energy-consuming connecting piece comprises a buckle, an energy-consuming assembly and a pre-embedded connecting steel plate; the buckle is used for fixing the basalt fiber supporting structure and providing stable inclined supporting force and vertical supporting force for the basalt fiber purline; the energy dissipation assembly consumes external load energy through friction, and the anti-seismic and wind-resistant performance of the support is enhanced; the whole support is connected without opening holes, stress is effectively dispersed, local stress concentration is avoided, and the material performance is kept; the energy dissipation assembly enables the support to be in rigid connection under the load and then to be in flexible connection, energy is consumed, load transmission is limited, and rod pieces are prevented from falling off and cracking. By adopting the bracket, the problems of mechanical property reduction and stability caused by trepanning are solved, the durability and the safety of the bracket are remarkably improved, and the bracket is widely applicable to different geographical and climatic conditions.

The invention discloses a photovoltaic power generation device, and belongs to the field of photovoltaic power generation. A photovoltaic power generation device comprises a base, the top of the base is fixedly connected with a reciprocating screw rod, the top of the reciprocating screw rod is rotatably connected with a mounting disc, multiple sets of photovoltaic panels are hinged to the mounting disc at equal intervals, the photovoltaic power generation device further comprises a folding and unfolding mechanism, the folding and unfolding mechanism is arranged on the reciprocating screw rod, and the folding and unfolding mechanism is used for adjusting the inclination angles of the photovoltaic panels; the cleaning assembly is arranged on the photovoltaic panel, and the cleaning assembly is used for cleaning the surface of the photovoltaic panel; according to the photovoltaic panel cleaning device, the folding and unfolding sliding sleeve slides up and down to be matched with the arrangement of a pull rope, so that the cleaning brush rod slides on the photovoltaic panel, the illumination surface of the photovoltaic panel is cleaned, the cleanliness of the illumination surface of the photovoltaic panel is improved, shielding of dust, impurities and the like on sunlight is reduced, it is ensured that the photovoltaic panel can receive enough illumination quantity, and the photovoltaic panel cleaning device is convenient to use. And the photovoltaic power generation efficiency is effectively improved.

The invention provides an LNG receiving station cold energy power generation system and method. The method comprises the steps that a first heat exchanger conducts heat exchange on liquid-phase LNG and a gaseous working medium; the second heat exchanger is used for carrying out heat exchange on the first gas-phase LNG and a low-grade heat source; the working medium circulating pump pressurizes the liquid working medium to obtain the pressurized liquid working medium; the third heat exchanger performs heat exchange on the pressurized liquid working medium and the low-grade heat source subjected to primary heat exchange to obtain a pressurized gaseous working medium; the expansion generator set uses the pressurized gaseous working medium to generate power; and the liquid working medium is a hydrofluorocarbon refrigerant. In this way, cold energy power generation can be achieved through a single circulation system without a complex technological process, and cost is low; as the working medium does not contain alkane elements, a corresponding auxiliary gas treatment system does not need to be arranged, and the cost is reduced; due to the good thermodynamic property of the hydrofluorocarbon refrigerant, the power generation efficiency of each ton of LNG cold energy is improved by 10%, and the power generation efficiency is ensured.

The invention relates to the field of packaging adhesive films, and discloses a high-barrier adhesive film for a perovskite battery as well as a preparation method and application of the high-barrier adhesive film for the perovskite battery, the high-barrier adhesive film comprises the following raw materials: 80-95 parts of POE resin, 5-20 parts of high-barrier master batch and 0-2 parts of auxiliaries; the high-barrier master batch is prepared from the following raw materials in parts by weight: 100 parts of POE resin, 1 to 10 parts of oxygen barrier additive, 1 to 10 parts of UVB ultraviolet absorbent and 0.01 to 0.2 part of organic peroxide. According to the invention, the high-barrier master batch is added into the POE resin, and the master batch simultaneously contains the water-blocking POE resin, the oxygen-blocking olefine acid glyceride oxygen barrier additive and the ultraviolet absorbent for blocking UVB, so that the long-term aging stability of the perovskite battery can be maintained while the power generation efficiency of the perovskite battery is ensured.

The invention relates to the technical field of power generation equipment data monitoring, in particular to a new energy power generation equipment accurate monitoring and operation data analysis method. Comprising the following steps: data acquisition and storage: deploying sensors at key nodes to acquire data; evaluating a running state, extracting key indexes such as equipment efficiency, energy consumption and environmental adaptability, and quantifying a scoring standard; an evaluation function is constructed, an analytic hierarchy process and an entropy weight method are combined to determine a weight, and a normalized weight value and a comprehensive evaluation value are calculated; carrying out anomaly detection and early warning, defining an early warning level based on the comprehensive evaluation value, and carrying out mean shift detection; early warning operation and emergency response are carried out, a feedback mechanism is established, and emergency measures under different early warning levels are formulated. According to the method, the equipment operation state monitoring accuracy, the data evaluation scientificity and the abnormity processing timeliness and effectiveness are improved, and stable operation and efficient power generation of the new energy power generation equipment are guaranteed.

The invention discloses a photovoltaic panel keel leveling support connecting structure, which comprises a roof panel, a support bottom plate, a support sleeve, a connecting vertical rod, a vertical rod end plate, a keel oblique beam, a first lug plate and a second lug plate, and is characterized in that the support bottom plate is fixedly arranged on the roof panel, the support sleeve is fixedly arranged on the support bottom plate, and the vertical rod end plate is fixedly arranged on the support sleeve; the connecting vertical rod is in sliding connection with the support sleeve, one end of the vertical rod end plate is fixedly connected with the connecting vertical plate, the other end of the vertical rod end plate is fixedly connected with the first lug plate, the keel oblique beam is fixedly connected with the second lug plate, and the first lug plate and the second lug plate are fixedly connected through a bolt. The height of the upper keel oblique beam is adjusted by sliding the connecting vertical rod up and down in the support sleeve, the leveling requirement of the photovoltaic panel is met by adjusting the connecting angle of the two lug plates, and meanwhile the photovoltaic panel leveling device is simple in structure, easy to construct and low in construction cost.

The application relates to the technical field of photovoltaic power generation equipment, and particularly discloses a fault inspection device for a photovoltaic panel of a solar photovoltaic power station, which comprises a rack and an infrared scanner, the upper side of the rack is provided with a toothed plate for supporting the infrared scanner, the lower side of the rack is provided with a driving assembly, the driving assembly is used for driving the rack to move linearly along the surface of the photovoltaic panel, an adjusting assembly is arranged between the toothed plate and the rack, the adjusting assembly comprises an ear plate fixedly connected to the outer surface of the upper end of the rack, and a passive shaft is rotatably connected between the two groups of ear plates. Through the adjusting assembly, the toothed plate and the infrared scanner are turned over around the passive shaft driven by the supporting pipe, so that the scanning angle of the infrared scanner is adjusted, the angle between the infrared scanner and the photovoltaic panel is maintained within a proper range, the detection precision of the photovoltaic panel is effectively improved, and the application range of the inspection device is effectively widened.

The application relates to the technical field of wind speed detection, in particular to a wind speed detection device for a wind power project, which comprises a box body, a detection wind pipe, a low-speed detection module, a high-speed detection module, an adjusting assembly and a maintenance assembly. The detection wind pipe is arranged through the box body, the adjusting assembly is arranged on the detection wind pipe, the low-speed detection module and the high-speed detection module are arranged on the adjusting assembly, when the wind speed in the detection wind pipe is greater than the set value of the low-speed detection module, the adjusting assembly is electrified to work and drives the low-speed detection module and the high-speed detection module to move right, and when the wind speed in the detection wind pipe is less than the set value of the high-speed detection module, the adjusting assembly is electrified to work and drives the low-speed detection module and the high-speed detection module to move left. The low-speed detection module, the high-speed detection module, the adjusting assembly and the maintenance assembly are arranged, the detection accuracy is ensured on the basis of meeting the detection requirements of super-low speed to limit wind speed, and the power generation efficiency of the wind turbine is ensured.

The present invention relates to the technical field of photovoltaic power generation and energy storage, and discloses a combined mobile photovoltaic energy storage integrated device, comprising a base plate, a supporting roller is fixedly installed on the bottom end of the base plate, a supporting seat is fixedly installed on the middle part of the upper surface of the base plate, connecting seats are movably installed on both sides of the base plate, a first electric push rod is fixedly installed on the top of the connecting seat, and an outer frame component is movably installed on the first electric push rod. The combined mobile photovoltaic energy storage integrated device is provided with photovoltaic components, and the photovoltaic components are arranged in multiple layers. In this way, the stacking and retractable function of the photovoltaic components is utilized to achieve that when the mobile device is needed, the photovoltaic components can be unfolded as a whole for use, and when it is needed to be moved, the photovoltaic components can be retracted, and in this way, the movement of the entire device can be facilitated, and the multiple photovoltaic components inside will not block each other after being unfolded, thereby maximizing the photovoltaic power generation efficiency of the device.

The utility model provides a semi-submersible floating type offshore photovoltaic power generation platform. The semi-submersible floating type offshore photovoltaic power generation platform comprises a photovoltaic assembly, a supporting mechanism, a truss mechanism, a semi-submersible buoy foundation, a buoy connecting pipe, a gearless anchor chain and a gravity anchor block, the truss mechanism is of a platform type structure; the photovoltaic assembly is fixedly installed above the truss mechanism through the supporting mechanism. The offshore photovoltaic power generation platform comprises six semi-submersible buoy foundations which are the same in size and arranged in a regular hexagon shape. The semi-submersible buoy foundations are connected through buoy connecting pipes. The bottom of the truss mechanism is fixedly mounted on the buoy connecting pipe; the outer side of each semi-submersible buoy foundation is provided with one gear-free anchor chain, and the other end of each gear-free anchor chain is provided with one gravity anchor block. The photovoltaic power generation platform can be constructed in a short time, the efficiency is high, the construction cost is reduced, and the relative stability of the photovoltaic power generation platform can be maintained through the gravity anchor blocks and the anchor chains.

The utility model discloses a horizontal wind wheel device with a vertical shaft. The vertical shaft horizontal type wind wheel device comprises a tower, a power generation main machine is arranged on the tower, a rotating shaft of the power generation main machine is fixedly connected with a rotating disc located at the top of the tower, a plurality of cantilever beams distributed in a circumferential mode are arranged on the top face of the rotating disc, one side of each cantilever beam is fixedly connected with the rotating disc, and main fan blades and auxiliary fan blades are sequentially arranged on the other side of each cantilever beam from outside to inside. The utility model solves the problems that when the prior art is applied to severe cold areas, accumulated ice attached to the upper-layer fan blades is easy to damage the lower-layer fan blades after falling off, the power generation efficiency is influenced, and the installation is inconvenient.

The invention discloses a photovoltaic power station intelligent management system, which relates to the field of photovoltaic power station intelligent management, and comprises a server, and the server is in communication connection with a data acquisition unit, an apparent analysis unit, a performance inspection unit, a judgment early warning unit and a display terminal. The method comprises the following steps: performing photovoltaic power station area apparent state judgment analysis processing on previous unit photovoltaic bracket system information, silicon battery piece information and photovoltaic module information to obtain area apparent grade signal judgment and a corresponding performance inspection instruction, receiving the performance inspection instruction, and performing detection area performance state analysis processing. According to the method, performance evaluation area grade judgment is obtained, the comprehensive state of the photovoltaic power station is judged according to the area apparent signal grade and the performance evaluation area grade, early warning display corresponding to different photovoltaic power stations is obtained, operation faults of the photovoltaic power station can be recognized timely and accurately, the service life of equipment can be prolonged, the power generation efficiency can be ensured, and the system safety can be guaranteed.

This application discloses a corner-claw photovoltaic glass and its right-angle glass claw, belonging to the technical field of vertical suspension installation of double-sided photovoltaic power generation glass, and is suitable for sway-resistant wind power generation systems. The corner-claw photovoltaic glass includes double-sided photovoltaic power generation glass, with right-angle glass claws attached to its corners. The right-angle glass claw is divided into a right-angle edge bonding area and a right-angle outer edge mounting area. The bonding area is adhered to the mutually perpendicular edge areas of the glass corner by an adhesive layer, and the mounting area is provided with mounting holes for connection to movable connectors. The right-angle glass claw is preferably tempered glass, which can form a U-shaped structure to achieve force distribution on both the front and back sides of the glass. This application replaces existing hanging clamps, solving the defects of existing solutions such as high cost, easy generation of hot spots, and poor stability. It has the advantages of low cost, no shading, strong wind resistance, convenient installation, and long service life, enabling low-cost, high-stability vertical suspension installation of double-sided photovoltaic power generation glass without elastic pads.

The utility model relates to a subway vehicle-mounted brake resistor waste heat recovery system based on thermoelectric power generation, which comprises a vehicle-mounted brake resistor box, a thermoelectric power generation assembly, a liquid cooling temperature control system and an electric power conversion control system, the liquid cooling temperature control system comprises a liquid cooling device and a temperature control center, the liquid cooling device is arranged on the surface of the thermoelectric power generation sheet assembly and electrically connected to the temperature control center, the liquid cooling device is used for improving the power generation efficiency of the thermoelectric power generation assembly, and the power conversion system is used for converting direct current generated by the thermoelectric power generation assembly into a stable power supply used by conventional electric equipment of the vehicle. The device has the advantages that waste heat generated by the brake resistor can be effectively recycled and converted, the thermoelectric power generation efficiency can be improved to the maximum degree through the temperature difference, and the double benefits of heat dissipation and energy conservation are achieved.

The utility model provides a portable power generation and energy storage device, and belongs to the technical field of power generation and energy storage devices. Comprising an energy storage box, a horizontal sliding plate is installed on one side of the top of the energy storage box in an inserted mode, a photovoltaic panel is fixed to the upper end face of the sliding plate in an embedded mode, clamping blocks are symmetrically installed on the two sides of the sliding plate, a containing groove is formed in the upper end face of the energy storage box, and an extension plate capable of being overturned to be in a horizontal state is arranged in the containing groove. A plurality of inserting holes are formed in the side, facing the interior of the containing groove, of the extension plate. According to the utility model, the photovoltaic panel can be automatically cleaned in the process of unfolding the photovoltaic panel, the photovoltaic power generation efficiency of the photovoltaic panel can be ensured, the jacks of the device can be stored and protected, dust can be prevented from entering the jacks, and therefore, the whole use effect of the device is good, and the device is especially suitable for outdoor carrying and use.

The utility model discloses an energy-saving roof of a green building, which comprises a roof main body, the top end of the roof main body is fixedly connected with a fixed plate, one end of the fixed plate is fixedly connected with a first motor, the tail end of a main shaft of the first motor is fixedly connected with a driving bevel gear, and the outer side of the driving bevel gear is meshed with a driven bevel gear. Through the arrangement of an adjusting threaded shaft, a support, a transparent glass cover, a driving bevel gear, the worm, a worm gear, a fixing frame, a fixing threaded shaft and a baffle, when the device is used, a solar cell panel in the fixing frame is driven to rotate through the fixing shaft, and the solar cell panel is driven to rotate through the worm, so that the solar cell panel is driven to rotate; the orientation of the solar cell panel is adjusted, so that when the solar cell panel is installed on an inclined building roof, sunlight can irradiate the solar cell panel to the maximum extent, and the power generation efficiency of the solar cell panel is improved.

The utility model discloses a photovoltaic device cleaning device which comprises a cleaning table, a containing groove is formed in the cleaning table, a photovoltaic device body is placed in the containing groove, two sets of installation bases are arranged on the cleaning table in a sliding mode, and a cleaning cylinder is rotationally arranged between the two sets of installation bases. Brush bristles are fixedly installed on the circumferential face of the cleaning cylinder, the cleaning cylinder is hollow, water spraying holes are formed in the circumferential face of the cleaning cylinder, a water conveying hose is fixedly installed on one side of the set of installation bases, a through groove is formed in the set of installation bases, and the through groove is communicated with the water conveying hose and the interior of the cleaning cylinder. According to the utility model, impurities on the surface of the photovoltaic device body are cleaned through the cooperation of the bristles which rotate while moving and the sprayed cleaning liquid, thereby preventing the impurities from reducing the bonding effect between the packaging material and the photovoltaic device body, improving the sealing performance of the photovoltaic device body after packaging, and improving the reliability of the photovoltaic device body. And meanwhile, the solar radiation receiving capability of the photovoltaic device body is ensured.

The invention discloses an anomaly detection control system and method for a photovoltaic module. The method comprises the following steps: firstly, carrying out feature extraction on a set of photovoltaic panel surface reference images through a photovoltaic panel surface state feature extractor, then, carrying out prototype feature extraction on an obtained set of photovoltaic panel surface reference semantic feature vectors by using a prototype feature extraction network to obtain photovoltaic panel surface reference prototype semantic feature vectors, and then, carrying out prototype feature extraction on the obtained set of the photovoltaic panel surface reference prototype semantic feature vectors. Performing feature extraction on the surface image of the photovoltaic panel through the photovoltaic panel surface state feature extractor to obtain a semantic feature vector of the surface state of the photovoltaic panel to be detected; and determining whether dust is deposited on the surface of the photovoltaic panel to be detected or not based on a calculated surface state differential semantic measurement coefficient between the photovoltaic panel surface reference prototype semantic feature vector and the surface state semantic feature vector of the photovoltaic panel to be detected, and determining whether photovoltaic panel surface cleaning prompt information is generated or not. Therefore, the power generation efficiency and stability of the photovoltaic module can be ensured.

The utility model relates to the technical field of building roofs, in particular to an integrated photovoltaic sunshade for a building roof, which comprises four bases, a lifting device is fixedly connected to one sides of the four bases, a sunshade is fixedly connected to one side of the lifting device, a photovoltaic panel is fixedly connected to one side of the sunshade, and the photovoltaic panel is fixedly connected to the other side of the sunshade. Two supporting frames are fixedly connected to one side of the sunshade, fixing blocks are slidably connected to one sides of the two supporting frames, and a cleaning brush is fixedly connected between the fixing blocks. The solar sunshade has the advantages that the solar sunshade is stable and reliable, the base provides stable support, the position of the sunshade is adjusted through the lifting device to adapt to different scene requirements, the photovoltaic panel is regularly cleaned through the cleaning brush, efficient power generation of the photovoltaic panel is guaranteed, the storage battery stores electric energy generated in the daytime, and the solar sunshade can be used at night or when no solar energy is supplied. Solar energy is used for providing illumination and air supply functions for the lamp body and the fan, and the device is simple in structure, suitable for outdoor balconies and capable of providing the functions of shading, rain sheltering, cooling, illumination and the like.

The invention relates to the technical field of solar panels, and discloses a cooling device for a photovoltaic solar panel, which comprises a cart, a cold air mechanism is arranged at the top of the cart, a flow guide mechanism is arranged on the front surface of the cold air mechanism, the cold air mechanism comprises an air blowing unit and a cooling unit, the air blowing unit is fixedly connected to the top of the cart, and the cooling unit is fixedly connected to the top of the cart. The cooling unit is arranged in the air blowing unit, the air blowing unit comprises an air box, a fixing rod, a turbine fan, a grid and a dust filtering net, the air box is a main body of the air blowing unit, an air outlet is formed in the front face of the air box, and an air inlet is formed in the back face of the air box. The cooling unit of the cold air mechanism is matched with the air blowing unit, cooling air can be blown out of the solar panel, continuous air blowing is achieved, continuous cooling is achieved in the solar photovoltaic working period, the good cooling effect is achieved, the solar photovoltaic power generation efficiency is guaranteed, and the safety degree is higher than that of water cooling.

The application discloses a control method of a new energy power station under a sub-super synchronous oscillation of a power grid. When the sub-super synchronous oscillation occurs in the power grid, different equipment resonance suppression modes are switched according to preset characteristic frequencies as thresholds. Different power grid current low-frequency component comparison thresholds are set for equipment in the power station. When the power grid current low-frequency component exceeds the comparison threshold of N power generation equipments in the power station, the operation mode of the N power generation equipments is switched to perform smooth transition. The method utilizes the damping characteristics of different power generation equipments, comprehensively and effectively suppresses the sub-super synchronous oscillation of the power grid in different degrees, prevents the power grid oscillation from further spreading, only part of the power generation equipments perform mode switching or control strategy switching when the power grid oscillates, and the remaining equipments maintain power generation operation, so that the power output level of the new energy power station is basically ensured, the stability of the power grid is ensured, the risk of batch power generation equipment off-grid caused by the power grid oscillation is reduced, and the power generation efficiency of the new energy power station is ensured.