37 results about "Solar energy conversion efficiency" patented technology

The invention discloses a photovoltaic power station comprehensive intelligent operation and maintenance method and system based on cloud processing, and relates to the technical field of photovoltaic power station operation and maintenance management, the photovoltaic power station comprehensive intelligent operation and maintenance method based on cloud processing comprises the following steps: obtaining characteristic data of operation state data and parameter data, and storing the characteristic data in a cloud platform; evaluating the power generation performance of the photovoltaic equipment in real time by using a solar energy conversion efficiency model; formulating an optimal cleaning period of the photovoltaic equipment; and inputting a detection result into a photovoltaic equipment operation fault abnormity database for fault judgment. The power generation efficiency is evaluated in real time through the photoelectric conversion model, so that operation and maintenance personnel can know the power generation condition of the photovoltaic power station, frequent cleaning or overlong cleaning interval is avoided, the fault data discovery and recognition capability can be improved, the service life of equipment is prolonged, the operation efficiency of the equipment is improved, and the power generation efficiency is improved. And the operation and maintenance efficiency of the photovoltaic power station is improved.

The present invention discloses a comprehensive intelligent operation and maintenance method and system for a photovoltaic power station based on cloud processing, which relates to the technical field of operation and maintenance management of photovoltaic power stations. The comprehensive intelligent operation and maintenance method for a photovoltaic power station based on cloud processing includes the following steps: obtaining the characteristic data of operation status data and parameter data and storing them in a cloud platform; using a solar energy conversion efficiency model to evaluate the power generation performance of photovoltaic devices in real time; formulating the optimal cleaning cycle of photovoltaic devices; and inputting the detection results into a photovoltaic device operation fault and anomaly database for fault discrimination. By using an optoelectronic conversion model to evaluate the power generation efficiency in real time, the present invention enables operation and maintenance personnel to understand the power generation status of the photovoltaic power station, avoid frequent cleaning or too long cleaning intervals, thereby improving the discovery and identification ability of fault data, further improving the service life and operation efficiency of equipment, and further improving the operation and maintenance efficiency of the photovoltaic power station.

The invention discloses a mobile energy storage charging robot, and relates to the technical field of energy storage charging robots, the mobile energy storage charging robot comprises a mobile mechanism, and the upper end of the mobile mechanism is connected with an energy storage charging assembly; a solar energy recycling mechanism is mounted on the upper surface of the energy storage charging assembly; according to the invention, the rotating motor drives the rotating seat and the solar panel on the mounting frame body through the rotating wheel, the transmission belt and other transmission assemblies to track the direction of the sun in real time; no matter in the morning, at noon or at dusk, the solar panel can receive light at an optimal angle, so that the solar energy conversion efficiency is greatly improved; and compared with solar charging equipment with a fixed angle, more electric energy is supplemented for the robot, dependence on a power grid is reduced, and the energy utilization efficiency is improved.

The present invention discloses a method and system for intelligent color control based on electrochromic glass, which relates to the field of electrochromic technology. The method comprises the following steps: collecting spectral data of the current environment in real time; analyzing the solar energy conversion efficiency using the spectral data and calculating the current electric energy value available for control; analyzing historical environmental data and historical user control data using a self-learning algorithm in combination with the available electric energy value to predict user preferences; generating an intelligent glass color control scheme based on the user preference prediction results and the spectral data; and applying dynamic voltage to each area through a distributed circuit based on the intelligent glass color control scheme to control the color. By embedding a multispectral sensor and calculating the current available electric energy value in combination with the solar energy conversion efficiency, and dynamically calculating the driving voltage for each area based on user preferences and environmental spectral data, the problem of control deviation caused by material aging or uneven voltage distribution is solved.

The application belongs to the field of optical functional composite material application, and discloses a preparation method of conjugated oligomer / gold nanocluster light energy conversion material. The preparation method is to synthesize conjugated oligomer material with main chain of fluorene and thiophene and side chain containing active groups, and to compound the conjugated oligomer material with gold nanocluster containing mercapto ligand through covalent connection to prepare conjugated oligomer / gold nanocluster compound. The preparation method is simple and easy to operate, and can effectively compound two kinds of semiconductor materials. The nanocomposite has a size of about 2 nanometers and has the ability to quickly enter photosynthetic organisms and structures. The conjugated oligomer / gold nanocluster heterojunction is cultured with photosynthetic organisms and structures, and under sunlight irradiation, high-efficiency photo-generated electrons are generated and quickly transferred to the electron transport chain of the photosynthetic organisms and structures, so as to improve the solar energy conversion efficiency, increase the biomass yield, and have practical application value in the field of energy conversion.

An innovative smart battery switch enhances the affordability and reliability of sustainable energy. The core of this system is a smart switch capable of alternating between series and parallel modes. In the parallel off-mode, it automatically enables battery charging and cell equalization, thereby replacing complex and expensive battery management systems. This feature, coupled with the system's low voltage charging capability, significantly extends battery lifespan by minimizing cell stress. The integrated kinematic charger optimizes solar photovoltaic (PV) energy utilization, adapting efficiently to varying solar conditions. This charger not only improves solar energy conversion efficiency but also reduces the solar panel size requirement, making sustainable energy solutions more accessible. The system's adaptability, including variable voltage outputs and loT compatibility, extends its applications to a range of devices, from LED lighting to electric vehicles, offering a cost-effective, sustainable approach to energy management.

The invention discloses a crawler-type engineering investigation robot capable of self-adapting to terrains, and relates to the technical field of intelligent engineering equipment. The robot comprises a rotary investigation assembly installed on the front portion of a robot body, a photovoltaic assembly arranged on the tail portion of the robot body, and an adjusting mechanism used for adjusting the position of the photovoltaic assembly. The rotary investigation assembly comprises a rotary table, camera shooting supports fixed to the peripheral side of the rotary table at equal intervals, and cameras fixed to the tops of the camera shooting supports. The adjusting mechanism comprises an adjusting motor, a screw rod connected with an output shaft of the adjusting motor through a coupler, a shaft rod matched with the screw rod in a threaded mode, and a support rotationally connected with the shaft rod. The photovoltaic module comprises an outer frame, a photovoltaic panel embedded in the outer frame, and a power supply module used for energy storage of the photovoltaic module. According to the engineering investigation robot, the inclination angle of the photovoltaic module arranged at the tail of the engineering investigation robot can be automatically adjusted through the adjusting mechanism, the solar energy conversion efficiency is maximized, and the field continuous operation time is remarkably prolonged.

According to the multi-physiological-parameter monitoring field rescue waistband, method, system and equipment and the medium, the multi-physiological-parameter monitoring field rescue waistband is powered by solar energy, so that the wearable equipment is not limited by geographic positions and electricity supplement at any time; the solar cell panel adopts a folding design, so that the small-size utilization space of the waistband head is improved, and the solar energy conversion efficiency is improved; the intelligent waistband can send physiological information such as the heart rate and the respiratory rate of a wearer while sending a rescue position through the Beidou module, and data support is provided for rescue workers to know the recent body conditions of the rescued person in real time; the waistband body and the waistband head are separated, so that later replacement and maintenance are facilitated.

The utility model discloses a self-circulation type wind and light heat rod which comprises a ground surface fixing device and an evaporator, the evaporator is located below the ground surface fixing device, a transition heat insulation section is arranged between the ground surface fixing device and the evaporator, and a condenser, a radiator and a solar heat collector are sequentially welded to the top of the ground surface fixing device from bottom to top. The blade device and the power generation and energy storage assembly are additionally arranged, wind energy and solar energy are converted into electric energy and stored, the electric heating pipe emits heat at night, the energy utilization efficiency is improved, and automatic heat exchange can be achieved in the daytime and at night; the bending angle and the folding telescopic state of the corrugated pipe telescopic structure are adjusted through the adjusting assembly, the height and the inclination angle of the part, exposed on the ground, of the device can be adjusted, and therefore possible obstacles can be avoided, and the impeller composed of the multiple rolled blades faces the wind coming direction or adapts to the optimal solar altitude; the conversion efficiency of wind energy and solar energy is improved, and it can be ensured that the optimal heat conduction effect can be achieved at different depths.

The utility model provides a photovoltaic pantile and a power generation roof structure, and particularly relates to the technical field of buildings. The photovoltaic pantile comprises a tile body, a water retaining piece and a photovoltaic assembly. Wherein the tile body is a curved surface arranged in a wave shape. The water retaining piece is arranged on the upper surface of the curved surface in a protruding mode along the wavy curved surface of the tile body, the water retaining piece is located on one side of the tile body in the width direction, and the length size of the water retaining piece is the same as that of the tile body. And the photovoltaic module is positioned on the photovoltaic pantile. The photovoltaic pantile is arranged to be of a wavy curved surface structure, so that adjacent photovoltaic pantiles can stop water through the water stop piece after being in lap joint, and a building is protected from being damaged by rainwater. According to the photovoltaic pantile, the photovoltaic assemblies and the photovoltaic pantile are combined, the solar energy collecting area of the photovoltaic pantile is increased, the appearance adaptability is improved, the arrangement mode of the photovoltaic assemblies is matched with the photovoltaic pantile, and the power generation efficiency of the single photovoltaic pantile and the solar energy conversion efficiency can be improved.

The invention provides a silane modified graphene oxide / polyvinyl alcohol composite aerogel evaporator and a preparation method and application thereof, and relates to the technical field of new energy materials.The preparation method comprises the steps that firstly, polyvinyl alcohol is dissolved in deionized water to form a uniform solution, absolute ethyl alcohol is added after cooling, and a PVA / ethyl alcohol-water cosolvent system is constructed; then, dispersing the graphene oxide powder into a cosolvent, and uniformly distributing the graphene oxide powder through ultrasonic treatment; then, (3-aminopropyl) trimethoxy silane is introduced; then, glutaraldehyde is added, standing is carried out at the room temperature, crosslinking and gelation processes are completed, and GO / SPH hydrogel is formed. And finally, soaking, washing and freeze-drying the obtained hydrogel to obtain the GO / SPH composite aerogel evaporator. According to the GO / SPH evaporator prepared through the method, the excellent photothermal conversion performance of the graphene oxide and the specific rapid water transportation and heat localization capacity of the PVA three-dimensional porous aerogel are utilized, and the extremely high water evaporation rate and solar energy conversion efficiency are achieved.

The utility model discloses an intelligent stool, and relates to the technical field of stools, the intelligent stool comprises a stool body, the stool body is connected with a support rod, one end, far away from the stool body, of the support rod is connected with a solar panel, the stool body is connected with a storage battery and a power supply port, and the solar panel and the power supply port are electrically connected with the storage battery. The solar panel is connected to the end, away from the stool body, of the supporting rod, so that the solar panel is suspended in the air, the influence on lighting of the solar panel when a user sits on the stool is avoided, and the solar energy conversion efficiency is improved.

The present invention relates to the technical field of semiconductor photocatalytic water splitting for hydrogen production, and particularly relates to a ternary composite photocatalyst, a preparation method thereof, and an application thereof. The ternary composite photocatalyst provided by the present invention comprises CaIn₂S₄ nanospheres and CoP / ZnP₂ composite nanoparticles deposited on the surface of the CaIn₂S₄ nanospheres. This ternary composite photocatalyst has good photocatalytic water splitting activity, can absorb visible light below 600 nm, effectively broadens the visible light absorption range of CaIn₂S₄, improves the solar energy conversion efficiency, and the ternary composite photocatalyst provided by the present invention can achieve efficient photocatalytic water splitting for hydrogen production, realize long-term stable catalysis, and has excellent water splitting for hydrogen production performance.

The invention discloses a solar pavilion and a control method thereof, and relates to the field of solar pavilions. A solar cell panel assembly used for supplying power to a frequency conversion outdoor unit is arranged on the outer side of a photovoltaic assembly. The photovoltaic module is provided with an inner cavity, and a cold water return pipe of the frequency conversion outdoor unit is communicated with the inner cavity of the photovoltaic module; a cold storage layer is arranged on the inner side of the photovoltaic module; the pavilion body is provided with a console; the console is used for controlling whether to supply power or not according to the outdoor environment temperature to start the variable-frequency outdoor unit and adjusting the water outlet temperature and the water outlet flow of the variable-frequency outdoor unit according to the temperature of the cold storage layer. The solar energy conversion rate of the indoor pavilion can be increased, and meanwhile the comfort of the interior of the pavilion is improved.

The invention discloses a photovoltaic support capable of improving solar energy conversion efficiency and an installation method thereof, and relates to the technical field of photovoltaic supports, two ends of a fixed frame are connected with rod frames, the top and the bottom of each rod frame are connected with moving rods, a movable frame is slidably connected between the two moving rods at the same height through moving lugs, and one side of each rod frame is provided with a cleaning cylinder. A lifting plate is connected between the output ends of the two cleaning cylinders, spraying pipes are fixed to one side of the bottom of the fixing frame and one side of the bottom of the lifting plate, and a plurality of vent holes are formed in the two sides of a longitudinal pipe at equal intervals. In the efficiency improving assembly, according to different conditions, substances blocking sunlight transmission are removed, the two assemblies are matched with each other, improvement is conducted from multiple aspects, and the conversion efficiency of solar energy is fully improved.

The utility model relates to the technical field of car sheds, and discloses a photovoltaic structure car shed of an outdoor parking lot, which comprises a car shed, a first hinge seat and an adjusting mechanism, the bottom of the car shed is fixedly connected with a support frame, the left side of the car shed is fixedly connected with the first hinge seat, and the first hinge seat is rotatably connected with a connecting frame; a positioning frame is fixedly connected to the end, away from the first hinge seat, of the connecting frame, an adjusting mechanism for adjusting the inclination angle of the positioning frame is arranged between the positioning frame and the shed, a mounting frame is fixedly connected to the interior of the positioning frame, a photovoltaic panel body is fixedly connected to the interior of the mounting frame, and a sliding block is slidably connected to the positioning frame; the top of the sliding block is fixedly connected with a positioning plate. The sliding block drives the rubber scraping strip to move, so that dust accumulated on the surface of the photovoltaic panel body can be scraped off through the rubber scraping strip, the dust is prevented from staying and accumulating on the surface of the photovoltaic panel body for a long time, timely cleaning is achieved, the working efficiency of the photovoltaic panel body can be effectively guaranteed, and the solar energy conversion efficiency is guaranteed.

The invention discloses a sulfur-zinc-cadmium solid solution loaded molybdenum disulfide photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic hydrogen production. The photocatalyst comprises a Cd0. 7Zn0. 3S solid solution and MoS2 loaded on the surface of the Cd0. 7Zn0. 3S solid solution In the photocatalyst, the content of MoS2 is 5-40 wt%. According to the invention, a MoS2 two-dimensional co-catalysis layer is constructed on the surface of Cd0. 7Zn0. 3S by adopting a one-step hydrothermal method, the MoS2 two-dimensional co-catalysis layer and the Cd0. 7Zn0. 3S are promoted to form tight interface contact and Schottky junction, and the strong interface coupling effect is utilized to enhance interaction force and accelerate photogenerated charge transfer, so that the MoS2 two-dimensional co-catalysis layer has high activity and low cost, and can fully utilize solar energy to drive a photocatalytic reaction; the solar energy conversion efficiency is greatly improved, a feasible solution is provided for a high-efficiency and stable photocatalytic hydrogen production technology, and the method has a wide application prospect.

A photovoltaic generation assembly is disclosed, comprising a plurality of vertically oriented solar tubes, each aligned with a corresponding Fresnel lens mounted on a movable Fresnel lens holder. The system includes a height adjustment assembly that controls the vertical position of the Fresnel lenses to optimize light focus based on solar movement. The adjustment mechanism may include a stepper motor driving a gear-based shaft assembly, or alternatively, a solenoid-based system that magnetically elevates or lowers the lens holder. Each solar tube incorporates a down-conversion assembly to shift high-energy photons, an up-conversion assembly to convert low-energy infrared photons into usable light, and a reflective base for photon recycling. An optional thermoelectric layer recovers heat energy. The arrangement increases photon absorption via internal reflections, improving solar conversion efficiency and enabling multiband energy harvesting from a compact, modular solar architecture.

This utility model discloses a tracking-type integrated water quality management system, belonging to the technical field of water treatment and aquaculture equipment. It includes a support unit, a power supply unit, a water quality monitoring unit, and an oxygenation unit. The support unit supports the power supply unit, water quality monitoring unit, and oxygenation unit. The power supply unit provides power to the system. The water quality monitoring unit is used to detect water quality, and the oxygenation unit is used to supply oxygen to the water. The power supply unit includes several solar panels, a transmission mechanism, a controller, a photosensitive sensor receiver, and an energy storage device. The photosensitive sensor receiver senses the light intensity and direction and sends a signal to the controller. The controller drives the transmission mechanism to rotate, causing each solar panel to swing towards the direction of high light intensity. Each solar panel converts solar energy into electrical energy and stores it in the energy storage device. The system of this utility model has a stable structure and can track the direction of strong sunlight in real time, improving solar energy conversion efficiency.

The invention discloses a CH4-CO2 reforming bionic spider web foam reactor and an optimization design method thereof, which are inspired by excellent performance of spider webs in the aspects of bearing mechanical stress and transferring heat energy, and designs a novel foam reactor combining a high-thermal-conductivity copper alloy spider web structure and high-mechanical-strength nickel-chromium alloy porous foam. Further, parameter optimization is carried out on the branch spacing H, the main branch thickness m and the branch thickness L of the reactor through a response surface method (RSM), and when H is equal to 3 mm, m is equal to 0.9 mm and L is equal to 0.96 mm, the efficiency of converting solar energy into fuel reaches up to 41.54%. The thermal shock of non-uniform concentrating solar energy is effectively resisted, the temperature field distribution uniformity of the foam reactor is improved, the energy conversion efficiency of the foam reactor is remarkably improved, and a new reactor design scheme is provided for realizing efficient concentrating solar energy driven CH4-CO2 reforming.

The application provides a preparation method and application of high-nucleus cobalt cluster-based MOFs and derivatives thereof, including Co 16 -MOF-BDC-X, Co 16 -MOF-BPDC, crystallized in a tetragonal system, and a space group is P42 / nmc, wherein Co 16 The cell parameter of the MOF-BDC-X is: alpha=beta=gamma=90°, Co 16 The cell parameter of the MOF-BPDC is: alpha=beta=gamma=90°, the application adopts a strategy of assisted synthesis of double small molecules (azide molecules and formic acid molecules), and successfully constructs a series of novel high-nucleus cobalt cluster-based MOFs, including Co 16 -MOF-BDC, Co 16 -MOF-BDC-X (X=NH2, NO2, OH, Br) and Co 16 -MOF-BPDC, the application realizes a great improvement of solar energy conversion efficiency by regulating functional groups on the MOF ligand and modifying strong absorption photosensitive centers on the MOF metal node, and exhibits application in the field of photocatalysis.

The application relates to preparation of a fluorine-containing triazine group covalent organic framework material and application of hydrogen peroxide production. Three imine bond connected covalent organic framework materials are prepared to solve the problems of low photocatalytic performance and low solar energy conversion efficiency of existing covalent organic framework materials. The method is as follows: 1,3,5-tris(3-fluoro-4-formylphenyl)benzene and 2,4,6-tris(4-aminophenyl)-1,3,5-triazine are prepared into TFBTAPT-COF by a solvent method. The preparation process is simple and effective, reagent consumption is low, and the yield is high; and the photocatalyst provided by the application can effectively improve the hydrogen peroxide production performance. The application is applied to photocatalytic preparation of hydrogen peroxide, and experiments show that the material TFBTAPT-COF has excellent photocatalytic hydrogen peroxide production performance, and the hydrogen peroxide performance can reach 8750mmol g ‑1 h ‑1 under visible light irradiation.

The present invention provides a method for measuring and calculating the solar energy conversion efficiency of a fixed solar sprinkler irrigation system, specifically: adjusting the nozzle pressure, simulating the corresponding light intensity with an external power supply, and operating the fixed solar sprinkler irrigation system stably. Using a laser disdrometer to conduct an experiment on the water droplet distribution in the outer flow field of the nozzle, recording and organizing the water droplet velocity and water droplet diameter, and calculating the total kinetic energy of water droplets at a single measurement point. Fitting the functional relationship between the total kinetic energy of water droplets at the measurement point and the distance from the nozzle. Then, using the MATLAB function integration method to calculate the total energy of water droplets sprayed by a single nozzle. Finally, the value of the solar energy conversion efficiency is obtained by using the calculation formula given in the present invention. The present invention provides a theoretical basis for the configuration optimization of the fixed solar sprinkler irrigation system.

This invention relates to the field of materials preparation technology. Firstly, it introduces a method for preparing a PC-SP-MCN bilayer Janus composite membrane with synergistic solar-driven interfacial evaporation and photocatalysis, primarily using graft copolymerization and phase transformation as the main synthesis methods. Secondly, it describes the application of the composite membrane in seawater desalination and the purification of wastewater containing dyes, heavy metals, and biological pollutants. Furthermore, this invention prepares a bilayer Janus composite membrane through phase transformation, and the introduction of silica-grafted ionic liquids gives the material excellent salt resistance. Through application studies in seawater desalination and the purification of wastewater containing dyes, heavy metals, and biological pollutants, it is preliminarily concluded that the PC-SP-MCN bilayer Janus composite membrane prepared in this invention with synergistic solar-driven interfacial evaporation and photocatalysis possesses high solar energy conversion efficiency, excellent salt resistance and antifouling properties, and highly efficient photocatalytic degradation performance, making it widely applicable in seawater desalination and wastewater treatment.

The present application relates to a highway engineering photovoltaic device layout optimization method based on solar energy conversion efficiency, relates to the field of photovoltaic device layout optimization, comprising: randomly arranging a preset photovoltaic component in a constraint area to obtain two groups of layout information and corresponding position and angle parameters. Comparing the two positions, a difference irradiance prediction model is obtained, and two groups of predicted irradiance are analyzed. The two groups of layout information are sorted according to irradiance, and the sorting result is updated. When the convergence condition is met, the layout scheme is configured according to the sorting result, and the highway photovoltaic device layout is managed. The present application solves the technical problem of low optimization efficiency in the layout optimization of photovoltaic devices in highway engineering due to the complexity of irradiance analysis. By comparing the photovoltaic components in different layout modes, only the difference irradiation type is analyzed, the calculation complexity is simplified under the premise of ensuring the optimization effect of photovoltaic device layout, and the technical effect of improving the optimization efficiency of photovoltaic device layout in highway engineering is achieved.

The application discloses a design method of a solar-driven porous medium methane dry reforming reactor, constructs a multi-physical field coupling model of the porous medium, deduces a design criterion formula of the methane reforming reactor based on the results of different pore size porosity models, finds the influence law of the porous medium structure on the solar energy conversion efficiency, and can screen out the porous skeleton parameter range for realizing high efficiency according to the criterion formula, thereby guiding the construction of the reactor.

This invention relates to the field of fixing device technology and discloses a solar photovoltaic panel fixing device, including a T-shaped frame. A rotating shaft is rotatably connected to the inner wall of the T-shaped frame. A support platform is fixedly connected to the rear of the T-shaped frame, and a motor is fixedly connected to the top of the support platform. A pulley assembly is fixedly connected to the output end of the motor. The photovoltaic panel of this invention can be adjusted according to the position of the sun, ensuring that the photovoltaic panel always receives the highest solar radiation intensity, thereby maximizing the solar energy conversion efficiency of the photovoltaic panel. It also allows for rapid installation of the photovoltaic panel, saving workers' installation time and enabling quick installation on rooftops. Furthermore, it can be installed on photovoltaic panels of different sizes, avoiding incompatibility issues and improving the versatility of photovoltaic panel installation.

The invention discloses a small multifunctional road surface cleaning vehicle, and relates to the technical field of road surface cleaning equipment.The small multifunctional road surface cleaning vehicle comprises a vehicle body and a control panel, the control panel is fixedly installed on the outer side of the vehicle body, a containing groove is formed in the upper end face of the vehicle body, and a first sliding groove is formed in the bottom face of the containing groove; the middle of the containing groove is rotationally connected with an outer frame. According to the small multifunctional road surface cleaning vehicle, the motor drives the lead screw to rotate to enable the sliding block to move along the first sliding groove, then the supporting rod drives the outer frame to rotate, the angle of the solar panel on the outer frame can be flexibly adjusted, the solar panel receives light to the maximum extent according to the sun positions in different time periods, and the solar energy conversion efficiency is improved; more electric power is provided for the cleaning vehicle, and the endurance is prolonged; and meanwhile, the embedded groove of the outer frame is detachably connected with the frame through a bolt, so that the solar panel is convenient to mount, replace and maintain, the practicability and the environmental protection property of the cleaning vehicle are enhanced, and the use cost and the maintenance difficulty are reduced.

The utility model discloses an intelligent door lock which comprises a lock body, a rain cover shell, a solar cell panel, a wireless power supply transmitting coil, a wireless power supply induction coil and a battery connecting wire. And the solar cell panel is mounted on the rain cover shell, so that paving in the horizontal direction is realized, and the solar energy conversion efficiency is improved. Meanwhile, the thickness of the lock body panel is reduced, and a large-area solar cell panel can be selected. The wireless power supply lock has two different energy supply modes of wireless power supply and wired power supply, the wireless power supply mode is more convenient to use, and the lock body is simpler and more attractive in appearance. Transmission of a wired power supply mode is stable, when wireless power supply fails or breaks down, emergency power supply can be achieved in the wired mode, the reliability of the lock body is higher, and the hidden danger that a user cannot open a door is eradicated.

The application provides a perovskite precursor solution, a perovskite active layer and a preparation method thereof. The perovskite precursor solution comprises a perovskite mixed solution and chlorobenzene with at least one substituent group, and the boiling point of the chlorobenzene with at least one substituent group is lower than that of the perovskite mixed solution. In the subsequent process, the defects of the perovskite precursor film formed according to the perovskite precursor solution can be repaired in the process of forming the perovskite active layer by using the perovskite precursor solution, and the film forming quality in the subsequent formation of the perovskite active layer according to the perovskite precursor solution can be improved, so that the short-circuit current density is significantly improved, and the perovskite solar energy conversion efficiency is improved.