127 results about "Cells panel" patented technology

The invention discloses an online defect detection method for a main-grid-free photovoltaic cell panel, which comprises the following steps of: obtaining a life distribution diagram of a main-grid-free photovoltaic cell through time-resolved photoluminescence, and obtaining a heat dissipation diagram of the main-grid-free photovoltaic cell through optically-induced phase-locked thermal imaging; an ultrasonic diagram of the main-grid-free photovoltaic cell is obtained through laser ultrasound; preprocessing and registering the life distribution diagram, the heat dissipation diagram and the ultrasonic diagram so as to uniformly map the life distribution diagram, the heat dissipation diagram and the ultrasonic diagram to a cell coordinate system, extracting minority carrier life, heat dissipation power, ultrasonic propagation time delay offset and scattering energy, and forming a multi-modal feature together with a thermal phase; and based on the abnormal score, performing defect detection and classification on the multi-modal features of the possible defect area to obtain classification results of electrical defects, thermal defects and mechanical defects. The invention also discloses a system for realizing the method. According to the invention, full-coverage detection of electrical, thermal and mechanical defects is realized.

The invention discloses a perovskite cell panel surface defect detection method based on improved YOLOv9, and belongs to the technical field of image processing and defect identification. The method comprises the following steps: optimizing a backbone network structure by introducing an ExtraDw module, enhancing feature expression ability and reducing parameter quantity; a neck network is improved by adopting GsConv and SlimNeck, so that the multi-scale feature fusion efficiency is improved; a MobileMQA module and a Bottleneck Transform structure are utilized to enhance the global perception capability and the calculation efficiency of the model; and a Slide Loss function is used to optimize the training process, and the problem of imbalance between difficult samples and positive and negative samples is adaptively processed. According to the method, the detection precision and the model generalization capability of the fine defects on the surface of the perovskite battery piece are remarkably improved while relatively low computing resource occupation is maintained, and the method is suitable for an industrial real-time quality detection scene.

The invention relates to the technical field of photovoltaic energy utilization, and discloses an intelligent photovoltaic hot water system-oriented temperature control management and energy scheduling system, which comprises a photovoltaic cell panel electric energy collection unit, a heat storage material electric energy storage unit and a self-adaptive temperature control and energy scheduling unit, the photovoltaic cell panel electric energy collection unit is used for collecting solar energy and storing electric energy when illumination is sufficient; the heat storage material electric energy storage unit is used for storing redundant heat in a phase change material through the corrugated plate flat plate solar air collector; the self-adaptive temperature control and energy scheduling unit is used for preferentially utilizing the photovoltaic cell panel electric energy collection unit to heat and store electricity when the illumination is sufficient; when the illumination is insufficient. By introducing the heat demand prediction and decision tree energy scheduling model based on multiple linear regression, the use path of photovoltaic power generation, energy storage and power grid energy supply can be dynamically optimized according to the real-time environmental parameters, the photovoltaic electric energy utilization rate is maximized, and invalid heating and energy waste are reduced.

The invention relates to the field of cleaning, and discloses a silicon wafer cleaning device for a solar photovoltaic cell panel, the silicon wafer cleaning device is provided with an oil removal mechanism, oil removal is performed on the surface of a silicon plate by utilizing a prepared oil removal agent, and a sieve plate prevents impurities and caked oil removal powder from entering a dissolving tank; meanwhile, the stirring mechanism solves the problems that an oil removing agent is mixed slowly and precipitates at the bottom, stirring plates and stirring wheels on the stirring plates are used for stirring the oil removing agent, the situation that the speed of mixing oil removing powder and water is low in the working process is prevented, the mixing effect of the oil removing agent is improved, and the oil removing effect on the surface of a silicon plate is improved; meanwhile, a sieve plate cleaning mechanism conveys oil removal powder into a dissolving box in a quantitative mode, the situation that the oil removal powder cannot be dissolved due to excessive oil removal powder is prevented, meanwhile, a sieve plate is cleaned, and it is guaranteed that the sieve plate works stably; and meanwhile, the cleaning mechanism cleans the silicon wafer by utilizing a scraping block and a wiping block, so that water waves are prevented from appearing after drying.

The application relates to the technical field of photovoltaic power generation, in particular to a wind resistance early warning method and system for a flexible photovoltaic support. The method comprises the following steps: determining the stability of each connecting part of the photovoltaic support according to vibration data of the connecting parts; obtaining a predicted wind speed and a predicted wind direction at the next moment; taking the orientation of the photovoltaic support and the inclination angle of the cell panel at the current moment as attitude information, calculating the attention degree of each connecting part according to the attitude information and the predicted wind direction; calculating the predicted wind load at the next moment according to the predicted wind speed, the predicted wind direction and the attitude information, and calculating the local risk value of each connecting part; weighting and summing the risk values of the connecting parts by using the normalized attention degrees to obtain the overall risk value; and realizing wind resistance early warning according to the overall risk value. Through the technical scheme, the accuracy of wind resistance early warning of the flexible photovoltaic support can be improved.

The utility model relates to an energy -conserving outdoor parking lot intelligent guiding device, including parking stall guiding stand, stand fixed base plate, parking stall detection structure, pilot lamp structure, photovoltaic cell panel, the stand fixed base plate is fixed in the bottom end of parking stall guiding stand, the parking stall detection structure is fixed in the middle segment outside of parking stall guiding stand, the bottom end of pilot lamp structure is connected in the top -end of parking stall guiding stand, the photovoltaic cell panel is fixed in the top -end of pilot lamp structure. The utility model optimizes the setting of parking lot intelligent guiding device, changes the mode of guiding of traditional adoption a large number of camera and management personnel, improves as a single parking stall and sets up guiding structure alone, adopts clean energy as power supply, energy -conserving while and is exempt from frequent maintenance, and adopts the colorful pilot lamp with certain height can directly show parking stall empty, more convenient and fast play guiding effect, and it is suitable for promotion and use.

The communication base station micro-grid system provided by the utility model improves the power supply reliability and energy efficiency of a base station and reduces the dependence on a traditional power grid through integrating distributed energy and an intelligent management system. The system comprises a photovoltaic system, an energy storage battery pack BMS system, a 4G communication module and a power grid access module. The photovoltaic system is composed of a photovoltaic cell panel and a light stacking controller and provides 48V direct current. And the energy storage battery pack BMS monitors and manages the battery state in real time. And the 4G communication module realizes data transmission and remote monitoring. The power grid access module provides a standby power supply. The system adopts a 48V direct-current bus, so that the energy efficiency is improved and the loss is reduced. The stacked light controller optimizes photovoltaic output and has comprehensive fault self-test and protection functions. Real-time monitoring and remote management are realized through the 4G communication module, and the reliability and maintenance efficiency of the system are improved.

The invention discloses a new energy photovoltaic cell panel protection device, and relates to the technical field of photovoltaic cell panels, and the device comprises a supporting frame which is arranged on the ground; the fixing frame is fixedly mounted at the top of the supporting frame; the supporting plate is fixedly mounted on the inner wall of the fixing frame; the photovoltaic panel is fixedly installed at the top of the supporting plate, and the photovoltaic panel is a device used for directly or indirectly converting solar radiation energy into electric energy through a photoelectric effect or a photochemical effect; the sliding rail is fixedly mounted on the surface of the fixing frame; the driving motor is mounted in the sliding rail in a sliding manner, and the driving motor linearly moves along the sliding rail; the fixing rod is fixedly installed on the surface of the driving motor, the connecting rod is fixedly installed on the surface of the fixing rod, and rainwater or sand and dust are prevented from entering from a gap between the protection covers, so that equipment is prevented from being damaged due to water inflow, and normal use is affected.

The utility model relates to photovoltaic cell especially perovskite photovoltaic cell with protection structure, including photovoltaic cell panel, support rod, fixed platform, protection board, connecting rod and connecting block etc. Fixed platform fixedly connected with support rod, the one end away from fixed platform of support rod is provided with horizontal adjusting mechanism, the top of horizontal adjusting mechanism is provided with longitudinal adjusting mechanism, and longitudinal adjusting mechanism is connected with connecting rod, and connecting rod is installed with photovoltaic cell panel, and one side of photovoltaic cell panel is provided with electric guide rail, and the slider of electric guide rail is provided with connecting block. The utility model discloses through controller control electric guide rail realizes the opening and closing of protection board, can close protection board when device stops working, makes protection board to photovoltaic cell panel protection, reduces the influence that the bad weather brings to photovoltaic cell panel, opens protection board simultaneously when device operation, guarantees photovoltaic cell panel steady power generation.

The invention discloses an intelligent mower with a large-area solar panel sunshade charging function. The intelligent mower comprises an intelligent mower body, an X-Y two-dimensional direction adjustable solar panel and a control system of the X-Y two-dimensional direction adjustable solar panel. The solar cell panel adjustable in the X-Y two-dimensional direction comprises an angle-adjustable frame, an angle-adjustable photovoltaic cell panel, a frame angle adjusting mechanism, a photovoltaic panel angle adjusting mechanism, a control system and the like. According to the technical effects and advantages of the invention, solar charging can be realized while working; according to the scheme, the output power can reach about 500W, and energy can be effectively supplemented in real time; the charging frequency is reduced, safety and environmental protection are achieved, working efficiency is improved, and working time is prolonged. Sunshading and cooling can be realized. When mowing in sunny days, direct sunlight is avoided, so that the temperature of equipment can be reduced by 5-8 DEG C, the equipment can be obviously prevented from being overheated, the equipment below can be effectively protected from being directly burnt by high temperature, the working environment is effectively improved, the reliability of the equipment is improved, and the service life of the equipment is prolonged.

Disclosed herein is a photocatalytic oxidation device that includes a frame and a pair of opposing photocatalytic cell panels. An ultraviolet lamp is disposed within an interior chamber and, when activated, causes the generation of oxidizers at the cell panels. Air is passable through apertures of the cell panels and thus may be moved through the device. The device is structurally configured and dimensionally optimized to provide effective photocatalytic activity without overly restricting airflow.

The utility model belongs to the technical field of new energy, and particularly relates to a wind-solar complementary power supply device and system. The wind-solar complementary power supply device comprises a vertical rod, a yaw unit installed at the top end of the vertical rod, an installation base installed on the yaw unit, a wind generating set fixedly connected to the top end of the installation base, a photovoltaic cell panel assembly installed on the vertical rod and a counter-force unit installed on the wind generating set. The yaw unit is used for driving a cabin of the wind generating set to rotate, so that a first wind wheel of the wind generating set is always aligned with the wind direction; the counter-force unit comprises a second wind wheel mounted on the cabin and a counter-force mechanism mounted on the second wind wheel; a rotating shaft of the second wind wheel is parallel to a rotating shaft of the first wind wheel; the first wind wheel and the second wind wheel are arranged in the same direction; the counter-force mechanism is used for rotating along with the second wind wheel so as to apply horizontal pulling force opposite to the wind force direction to the cabin.

The utility model belongs to the field of photovoltaic cell panels, particularly relates to a photovoltaic cell panel mounting device, and aims to solve the problems that the size of the top of an existing device is fixed and cannot be adjusted, and the angle of the top of the existing device cannot be adjusted. The hinge seat is in bolted connection with the top of the base; the photovoltaic cell panel mounting frame is hinged to the top end of the hinge seat; the lifting assembly comprises a crankshaft and lifting rods, the number of the lifting rods is two, the bottom ends of the two lifting rods are rotationally connected with the bent part of the crankshaft in a sleeving mode, the top ends of the lifting rods are hinged to the bottom of the photovoltaic cell panel mounting frame, and the lifting assembly moves on the top of the photovoltaic cell panel mounting frame through the expansion frame; the area of the top of the photovoltaic cell panel mounting rack can be expanded by using the expansion rack, so that the photovoltaic cell panel mounting rack can adapt to photovoltaic cell panels with more sizes or more photovoltaic cell panels, and then the photovoltaic cell panel mounting rack can be driven to rotate to adjust the angle of the photovoltaic cell panel.

The utility model discloses a foundation pit construction operation platform, which relates to the technical field of foundation pit construction operation platforms and comprises a foundation pit side wall which is arranged through a fixed frame, a guide rail, a first pulley, a movable frame, a first motor, a double-shaft motor, a transmission rod, a winding shaft, a steel rope, a first lubricating column, a second lubricating column and a limiting frame. According to the foundation pit construction operation platform, the double-shaft motor drives the winding shaft through the transmission rod, the winding shaft winds and unwinds the steel rope to enable the operation platform to ascend and descend, then the first motor drives the second pulley to enable equipment to move, and the situation that a construction part is changed, and a scaffold needs to be built or dismantled is avoided; according to the foundation pit construction operation platform, the operation platform body, the supporting rods, the solar panel, the battery panel, the fan, the protective net and the sun shield are arranged, the sun shield is used for shielding sunlight, then the fan is used for blowing air to constructors, and the situation that the constructors are prone to heatstroke under long-time sunlight irradiation is avoided.

The embodiment of the invention provides a charging method and device for a battery in a vehicle, the vehicle and a computer readable storage medium, and the method comprises the steps: determining the working state of a photovoltaic cell panel in the vehicle in response to the vehicle being in a flameout state; in response to the working state, indicating that the photovoltaic cell panel is in a working mode, controlling the photovoltaic cell panel to charge a first battery in the vehicle, the first battery being used for supplying power to electrical equipment in the vehicle when the vehicle is in a flameout state; in the process that the photovoltaic cell panel charges the first cell, the charge state of the first cell and the charge state of a second cell in the vehicle are detected, and the second cell is used for supplying power to a function controller in the vehicle; determining a battery charging strategy of the vehicle based on the charge state of the first battery and the charge state of the second battery; and charging the second battery according to the battery charging strategy. The technical problem that in the related technology, when the state of charge of the power battery is low, the power requirement of the vehicle cannot be met is solved.

The embodiment of the invention provides detection equipment and a detection method of a photovoltaic cell panel, relates to the technical field of photovoltaic power generation, and aims to solve the problem that the detection difficulty of a photoluminescence signal of the photovoltaic cell panel is large. The detection equipment comprises a lens, an adjustable filtering device, an image sensor and a processor, the adjustable light filtering device is used for filtering light converged to the image sensor through the lens and has a first light filtering wave band and a second light filtering wave band which can be switched; the first filtering wave band comprises a photoluminescence wave crest of the photovoltaic cell panel, and the wavelength interval between the center frequency point of the first filtering wave band and the photoluminescence wave crest is a first wavelength interval; the wavelength interval between the central frequency point of the second filtering wave band and the photoluminescence peak is a second wavelength interval; the first wavelength interval is smaller than the second wavelength interval. The image sensor is used for converting incident light into image data, and the processor is electrically connected with the image sensor. The detection equipment can be applied to photoluminescence signal detection.

The invention relates to the technical field of sunlight greenhouses, and provides a sunlight greenhouse photovoltaic and photo-thermal system which comprises a sunlight greenhouse, a light condensation and heat collection system and a greenhouse heating system. The light-gathering heat-collecting system comprises a light-gathering device and a photo-thermal device, the light-gathering device is arranged on one side of the rear slope surface, the photo-thermal device is arranged on the light-gathering device, the light-gathering device comprises a first light-gathering plate and a second light-gathering plate, the photo-thermal device comprises a light-transmitting photo-thermal unit and a photovoltaic cell panel, the light-transmitting photo-thermal unit is arranged on the photovoltaic cell panel, and the light-transmitting photo-thermal the first light gathering plate is used for reflecting sunlight to the light-transmitting photo-thermal unit, and the second light gathering plate is used for reflecting infrared light in the sunlight to the light-transmitting photo-thermal unit and transmitting visible light in the sunlight to the light-transmitting slope surface of the adjacent sunlight greenhouse; the greenhouse heating system comprises a heat storage device and a heat release device, and the heat release end of the heat release device is located in the sunlight greenhouse. The invention provides a solar greenhouse photovoltaic photo-thermal system which is used for solving the problems that in the prior art, lighting of a photovoltaic solar greenhouse is reduced, and temperature is increased in winter.

The invention relates to the technical field of photovoltaic cell panels, and particularly discloses a glue pressing device for photovoltaic cell panel processing, which comprises a bottom plate, a top plate and a material conveying pipe, the top plate is installed at the top of the bottom plate through a pair of lifting assemblies. A supporting plate is installed at the bottom of the top plate through a pair of first connecting rods. A heating pressure plate is mounted at the bottom of the supporting plate through a pair of second connecting rods; the conveying pipe is mounted on the top surface of the heating pressure plate and is communicated with the bottom surface of the heating pressure plate, and a glue outlet is formed in the outer wall, close to the top end, of the conveying pipe; a glue conveying mechanism capable of conveying glue from the bottom of the heating pressure plate to the glue outlet is arranged in the material conveying pipe; according to the butyl rubber hot melting device, the lifting assembly is used for providing sufficient downward-pressing rubber extruding force for the heating pressing disc to conduct hot melting on rubber, then the fluid rubber is stably conveyed through the rubber conveying mechanism, the problems that in a traditional device, rubber melting is not uniform, and the pressing and conveying force is insufficient are solved, and the butyl rubber using efficiency and reliability during photovoltaic cell panel machining are improved.

The application provides a kind of space solar power station multifunctional condenser structure design method, device and equipment, it is related to space solar technology field.The method comprises the following steps: S101, obtain predefined condenser layered configuration information and photovoltaic cell panel configuration information;S102, by support layer configuration information, adopt closed non-uniform rational B spline method to construct the topological structure of condenser support layer;S103, based on topological structure and condenser layered configuration information, the support layer structure performance and support layer thermal performance are calculated;S104, the optical performance of condenser is calculated using support layer structure performance;S105, the steps S102-S104 are executed in a cycle until reaching the preset iteration number, form multiple condenser parameter groups;S106, the condenser parameter group is substituted into the pre-constructed multi-objective optimization model in turn, and the multifunctional condenser structure design parameter is obtained by optimization.In this way, the long-term reliability of the multifunctional condenser is improved.

The invention relates to the technical field of new energy photovoltaic supports, and particularly discloses a solar cell panel flexible support which comprises a plurality of supporting frames, prestressed steel strands, a pressing assembly and a cell panel outer frame, each supporting frame comprises a stand column, a first hoop, an inclined strut and an inclined beam, the middle of each inclined beam is connected to the upper end of the corresponding stand column, the first hoop is connected to the middle of the corresponding stand column, and the inclined strut is connected to the middle of the corresponding stand column. The inclined struts are connected between the first hoops and the ends of the oblique beams in a supporting mode, the multiple supporting frames are arranged according to a preset distance, the multiple pressing assemblies are connected to the adjacent oblique beams, the cell panel outer frames are connected into the upper portions of the pressing assemblies, the ends of the cell panels are fixed through the cell panel outer frames, and the bottoms of the pressing assemblies are connected to the oblique beams. The prestressed steel strand is connected into the lower portion of the pressing assembly and is perpendicular to the oblique beam. The solar cell panel flexible support is convenient to install and maintain and good in field adaptability and adjustability.

The invention discloses a novel TOPCon battery preparation process and device, and relates to the technical field of battery processing, and the novel TOPCon battery preparation process comprises the following steps: S1, preparing a sheet; s2, scribing: segmenting the whole cell by using laser; s3, side face polishing is conducted, specifically, chain type etching and alkali washing are conducted on the cutting face, and the cutting face is corroded at the temperature of 30-60 DEG C through 10-30% of TMAH and 5-20% of IPA aqueous solution; s4, edge passivation is conducted, specifically, an aluminum oxide passivation film of 20-50 nm is deposited in an atomic layer deposition mode, and annealing is conducted for 30-60 min at the temperature of 250-300 DEG C; and S5, IV testing: testing the appearance, IV and EL performance of the battery piece, and then grading. Preferably, the flaking process comprises the steps of texturing and boron diffusion. According to the invention, a battery panel is driven to move in a manner of carrying liquid through a roller, and silicon, silicon nitride and silicon oxide on a cut surface of the battery can be corroded and polished by using a TMAH + IPA solution and an HF solution.

The utility model relates to the field of photovoltaic cell panel testing, and discloses a large-breadth assembly PL testing system which comprises a profile frame, two ends of the profile frame are fixedly connected with first linear guide rails, and the top ends of the first linear guide rails are connected with metal plate supporting vertical plates in a front-back sliding mode. A first linear guide rail is fixedly connected to the top end of the metal plate supporting vertical plate, a rectangular groove is formed in the middle of the second linear guide rail, a ruler is fixedly connected to the front end of the second linear guide rail, and the first linear guide rail, the metal plate supporting vertical plate, the second linear guide rail, a Y-axis crank handle and an X-axis lead screw are arranged; the positions of the optical fiber coupling laser and the CCD infrared camera can be adjusted, the operation is simple, and the movable range is not less than 1000 * 1000 mm.

The utility model discloses a solar cell folding plate. The solar cell folding plate comprises a plurality of cell panels, a junction box, a rotating assembly and an electric connection assembly. The junction box is mounted on the side surface of one of the plurality of battery panels; every two adjacent cell panels are rotationally connected through a rotating assembly and can be overlapped in sequence. The electric connection assemblies are arranged at the end parts of the two adjacent battery panels; the plurality of cell panels rotate through the rotating assembly, so that when the solar cell folding plate is converted from a folding state to an unfolding state, two adjacent cell panels are electrically connected through the electric connection assembly. The plurality of cell panels rotate through the rotating assembly, the electric connection assembly is arranged at the end parts of the two adjacent cell panels, when the solar cell folding plate is converted from a folding state to an unfolding state, the two adjacent cell panels can be electrically connected through the electric connection assembly, and the electric connection assembly is simple in structure and small in occupied space. And the solar cell folding plate can be conveniently unfolded for use and folded for storage.

The invention discloses a solar cell panel film pasting device and a method thereof. The device comprises an uncoiling unit, a mechanical arm material taking unit, a solar panel conveying unit, a film material trimming unit, a film pasting mounting rack and a stripping device. The mechanical arm material taking unit is arranged in the middle, and other units are distributed around the mechanical arm material taking unit. The method comprises the steps of conveying and positioning a battery panel; uncoiling, cutting and stripping back glue of the film material; the mechanical arm can take the film material and transfer the film material to the trimming unit for accurate trimming; finally, the film material is attached to the surface of the cell panel in a bubble-free mode in a bionic mode that inclined contact is conducted firstly and then synchronous rolling is conducted. Full-automatic efficient production is achieved, and extremely high film pasting quality and adaptability are ensured through the process of trimming and then pasting and a unique pasting method.

The present application relates to the technical field of unmanned aerial vehicle, and particularly discloses a kind of unmanned aerial vehicle for cleaning photovoltaic cell panel, including unmanned aerial vehicle body, camera recording ball head, water supply component, spray recovery component and recovery pipeline;Four heightening stands are evenly installed on the bottom of unmanned aerial vehicle body;Camera recording ball head is installed at the bottom surface of unmanned aerial vehicle body in front position;Water supply component is installed at the top of unmanned aerial vehicle body in rear position;Spray recovery component is arranged below unmanned aerial vehicle body, recovery pipeline and adjustable water supply pipeline are connected on the two sides of spray recovery component respectively, and the recovery pipeline is installed with medicine supplement component.The present application sprays chemical cleaning liquid before washing with clean water, and waits for a period of time for cleaning liquid reaction, then washes pollutants with clean water, which can effectively remove stubborn pollutants on photovoltaic cell panel, and improve the cleaning ability and effect of unmanned aerial vehicle on photovoltaic cell panel.

The invention provides a photovoltaic cell panel support control method and device based on wind power data, and relates to the field of photovoltaic technology, and the method comprises the steps: collecting wind power data and illumination data of an environment where a photovoltaic cell panel is located, the wind power data comprising a wind direction and a wind speed; the illumination data comprises illumination intensity and illumination direction; determining a control mode of a photovoltaic cell panel support according to the wind speed; and determining a target attitude of the photovoltaic cell panel bracket according to the wind power data and the illumination data in a corresponding control mode. The control mode of the photovoltaic cell panel support is determined through the wind speed, and the target attitude of the photovoltaic cell panel support is determined through a series of calculation and analysis in combination with wind power data and illumination data under the determined control mode. The determination of the target attitude aims to balance the influence of wind power on the photovoltaic cell panel and the influence of light conditions on the power generation efficiency so as to realize the optimal operation state of the photovoltaic cell panel.

The invention discloses a photovoltaic power generation energy storage optimization system, method and device, and belongs to the technical field of photovoltaic power generation. The method comprises the following steps: deploying a photovoltaic array comprising a plurality of photovoltaic cell panels, connecting the photovoltaic array with an electric energy management system through a connecting line, and adjusting the inclination angle of the cell panels according to a real-time illumination angle; configuring an energy storage device comprising a plurality of battery packs connected in parallel and a battery management system, wherein the battery packs are connected with an electric energy management system through a bidirectional DC / DC converter; through illumination, power and environment temperature and humidity sensors, power generation and energy storage data such as photovoltaic array power generation power, illumination intensity and temperature and humidity of an area where the photovoltaic array is located are collected; determining an optimization scheme based on the data, wherein the optimization scheme covers an energy matching relation between photovoltaic power generation and energy storage, a photovoltaic power generation priority supply strategy and an energy storage charging and discharging power adjustment parameter; the energy flow is optimized according to the scheme. According to the invention, illumination fluctuation and load requirements are efficiently adapted, dynamic balance of photovoltaic power generation and energy storage is realized, and the energy utilization efficiency and the power supply stability are improved.

The present application relates to the technical field of energy storage, and discloses a photovoltaic energy storage system and a photovoltaic energy storage method, the photovoltaic energy storage system comprising a photovoltaic power generation unit, the photovoltaic power generation unit being connected with a power supply network, a gas compression unit being connected with the photovoltaic power generation unit, a heat and gas storage unit being communicated with the gas compression unit, a turbine expansion power generation unit comprising a turbine expansion generator, an air inlet of the turbine expansion generator being communicated with the heat and gas storage unit, and a power transmission side of the turbine expansion generator being communicated with the power supply network; a first heat exchanger low-temperature side inlet being communicated with a turbine expansion generator air outlet, and a cold storage unit comprising a cold storage tank, an inlet of the cold storage tank being communicated with a first heat exchanger high-temperature side outlet, an outlet of the cold storage tank being communicated with the photovoltaic power generation unit, and the cold storage tank being used for cooling the photovoltaic power generation unit. The present application solves the problems of the prior art, such as the temperature rise of the photovoltaic cell panel, the reduction of the photoelectric conversion efficiency of the photovoltaic cell panel, the insufficient energy storage of the energy storage unit, and the inability to release sufficient electric energy in time.

The invention provides a photovoltaic cell panel cleaning method and system, computer equipment and a storage medium, and belongs to the field of photovoltaic operation and maintaining.The photovoltaic cell panel cleaning method comprises the steps that a spectral image of a to-be-cleaned photovoltaic cell panel is collected; performing multi-scale decomposition on the spectral image through continuous wavelet transform to obtain a spectral feature vector; inputting the spectral feature vector into a pre-trained machine learning model to obtain the dust content of the photovoltaic cell panel to be cleaned; unmanned aerial vehicle hovering time and unmanned aerial vehicle water pump water pressure of the to-be-cleaned photovoltaic cell panel are determined according to the dust content of the to-be-cleaned photovoltaic cell panel, and the unmanned aerial vehicle hovering time and the unmanned aerial vehicle water pump water pressure are both in positive correlation with the dust content; cleaning the photovoltaic cell panel to be cleaned according to the hovering time of the unmanned aerial vehicle and the water pressure of the water pump of the unmanned aerial vehicle. According to the method, spectral feature vectors are extracted through continuous wavelet transform, then the dust content is determined, unmanned aerial vehicle hovering time, water pump water pressure and other cleaning parameters are dynamically adjusted based on the dust content, and efficient configuration of cleaning resources is achieved.

The utility model relates to the technical field of line protection, in particular to a safety warning device for an electric power line fixing device, which comprises an electric power line fixing device and a safety warning device detachably arranged on the electric power line fixing device, the safety warning device comprises a protective shell, the top end face of the protective shell is provided with a cell panel mounting groove, and the top end face of the protective shell is provided with a battery panel. A solar panel mounting groove is formed in the protective shell, a solar panel is arranged in the solar panel mounting groove, mounting columns are symmetrically arranged on the protective shell on the two sides of the solar panel mounting groove, transparent lampshades are arranged on the end faces of the outer sides of the mounting columns, and a plurality of LED warning lamps are arranged on the protective shell in the transparent lampshades. The LED warning lamp automatically flickers to repel birds, the birds are prevented from nesting on the power transmission line, interference is carried out in the early stage of bird nesting, the birds are prevented from damaging the power transmission line, and meanwhile when foreign matter in the air falls on the power transmission line, the LED warning lamp flickers to give an alarm to remind workers to clean the foreign matter.