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27312 results about "Solar energy" patented technology

Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.

Solar Panel Mounting Systems and Methods

A solar panel mounting system can include a first panel mount including a first retaining feature attached to or attachable to a first torque tube clamp, and a second panel mount including a second retaining feature attached to or attachable to a second torque tube clamp. When the first and second panel mounts are mounted on a torque tube via the first and second torque tube clamps, respectively, the first retaining channel faces the second retaining channel, and the first and second retaining channels are oriented transversely relative to the torque tube. Furthermore, in this example, at least one of the first panel mount or the second panel mount is configured for overhead or lateral insertion of a solar panel while the torque tube clamps are installed on the torque tube.
Owner:PALLADYNE CORP

Pipe network health real-time monitoring system and evaluation method

The invention discloses a pipe network health real-time monitoring system and an evaluation method. According to the invention, through real-time health monitoring and dynamic deduction capability, the flexibility and safety of energy supply are significantly improved. The healthy twin module constructs a digital mirror image of the full life cycle of energy equipment, solar hydrogen production efficiency fluctuation, hydrogen storage tank pressure change and fuel cell attenuation trend can be accurately tracked, and risk points such as electrolytic cell abnormal hydrogen evolution and proton exchange membrane aging can be recognized in advance. The all-weather transparent monitoring enables the system to dynamically adjust the ratio of hydrogen production to power generation, the fuel cell is automatically switched to supply power in cloudy and rainy days, continuous energy supply is guaranteed, and the system can generate a coping plan in advance by simulating extreme scenes such as sudden drop of photovoltaic output and hydrogen leakage, so that the system is convenient to use. The energy interruption risk caused by sudden equipment failure is greatly reduced, meanwhile, the service life of key components is prolonged, the maintenance cost of a distributed energy network is reduced, and meanwhile the overall energy efficiency utilization rate is also improved.
Owner:HUNAN ZHONGXING DAYUE TECHNOLOGY CO LTD

A self-assembled monolayer hole transport material based on alkyl polyphosphate anchoring groups, and its synthesis method and application

The present invention discloses a self-assembled monolayer hole transport material based on an alkyl polyphosphate anchoring group, a synthesis method thereof, and an application in an inverted perovskite solar cell. The present invention uses carbazole or 3,6-diphenylcarbazole with good hole transport properties as a parent core, and achieves complete coverage and stable self-assembly of the material on the substrate surface by improving the anchoring group from traditional alkyl monophosphate to alkyl diphosphate and triphosphate. The synthesis method of the present invention is simple and the synthesis cost is low. The prepared material can achieve the dual functions of hole transport and perovskite interface passivation, while enhancing the self-assembly strength and stability. When the material is used as a hole transport layer in an inverted perovskite solar cell, a photoelectric conversion efficiency of >20% can be obtained without doping, and the material has broad application prospects.
Owner:JIAXING UNIV

Solar interface evaporator based on amphoteric polyelectrolyte photo-thermal hydrogel, preparation method and application

The invention provides a solar interface evaporator based on amphoteric polyelectrolyte photo-thermal hydrogel, a preparation method and application, and belongs to the field of solar interface evaporation. The solar interface evaporator with a three-dimensional multi-surface evaporation structure is prepared by combining the polyelectrolyte resisting effect of the amphoteric polyelectrolyte photo-thermal hydrogel and the porous capillary effect of the sponge, and has the characteristics of high light absorptivity, good water absorption effect, excellent antibacterial property, mechanical property, salt resistance, evaporation property and the like; particularly, compared with a traditional hydrogel-based solar interface evaporator, the water delivery capacity and the salt resistance in high-concentration saline water are greatly improved through the application of the autonomously designed zwitterionic hydrogel, water molecules in the saline water are activated through the cooperation of salt-resistant ionized water, the evaporation enthalpy is reduced, and the evaporation efficiency is improved. And a great positive effect is achieved on improvement of the evaporation rate. The evaporator is easy to prepare and excellent in multi-dimensional performance, and a new way and thought are provided for application to seawater desalination and wastewater treatment.
Owner:DALIAN UNIV OF TECH

A fluorene-based organic small molecule hole transport material and its application

This invention discloses a fluorene-based organic small molecule hole transport material and its applications. The general structural formula of the fluorene-based organic small molecule hole transport material is as follows: where n = 1-4, and R represents the hole transport capacity. This fluorene-based organic small molecule hole transport material is used as an undoped hole transport material in perovskite solar cell devices. By introducing dicarboxylic acid groups onto the fluorene-based organic small molecule hole transport material, when used in an inverted perovskite solar cell device, it can form chemical bonds with the hydroxyl groups of the glass conductive substrate, forming a directionally aligned self-assembled layer on the surface of the glass conductive substrate. This effectively improves the charge transport capability at the interface and increases the photoelectric conversion efficiency of the perovskite solar cell device. Furthermore, since this perovskite solar cell device does not contain lithium salts, it exhibits high water and oxygen stability. In addition, the synthesis process of this fluorene-based organic small molecule hole transport material is simple, and the raw materials are inexpensive and readily available, making it highly valuable for practical applications.
Owner:XIAMEN UNIV

Solar cell defect detection method based on multi-mode sensing technology

The invention discloses a solar cell defect detection method based on a multi-mode sensing technology. The system comprises the following steps: 1, multi-modal data acquisition: acquiring multi-modal data in real time by using four sensing technologies of near-infrared laser, area array visible light, PL and EL; 2, multi-modal data processing: carrying out denoising, edge detection and feature extraction on the acquired near-infrared, visible light, PL and EL images by adopting a mixed image processing algorithm to obtain key defect features; 3, multi-modal data fusion: combining a multi-modal data fusion method with a decision-making level strategy, synthesizing different technical data, improving the detection precision, and classifying, positioning and labeling the defects of cracks, broken gates, scratches, depressions, poor welding and hot spots by using a convolutional neural network to ensure accurate distinguishing of surface and internal defects; and 4, defect marking and production line adjustment: marking defects and adjusting the production line through a feedback and automatic control module, and feeding back a real-time visual result to a management layer.
Owner:DONGFANG XIANGYU (JIANGSU) TECHNOLOGY CO LTD

Multifunctional integrated cleaning robot for photovoltaic module of power station

The invention provides a multifunctional integrated cleaning robot for a photovoltaic module of a power station, which belongs to the technical field of photovoltaic module cleaning and comprises a control chip, a robot body device, an automatic cleaning device, a dust collection device, a water spraying system device, a solar charging device, an intelligent navigation device, an environment monitoring device, a communication interface device and a power management device. An intelligent cleaning control module is arranged in the control chip. The method comprises the following steps: constructing a three-dimensional map through environment perception; evaluating the pollution state of the photovoltaic module by using a sensor to generate a thermodynamic diagram; a double-layer optimization model is adopted for path planning and resource allocation, an upper layer adopts an improved ant colony algorithm to take charge of a global path, and a lower layer optimizes cleaning parameters based on a particle swarm algorithm; cleaning operation is executed, and real-time monitoring is carried out; evaluating the cleaning effect; water resource and energy intelligent management is carried out; multi-machine collaboration and task allocation are realized; processing an abnormal condition; the cleaning strategy is continuously optimized through machine learning, and efficient and accurate photovoltaic module cleaning is achieved.
Owner:CHINA CONSTR EIGHTH BUREAU DEV & CONSTR CO LTD

Solar Panel Installation Vehicles as Part of a Solar Panel Installation System for A Solar Tracking System

A solar panel installation system comprising a solar panel presentation system comprising a solar panel dispensing hopper having a hopper enclosure; and a solar panel installation vehicle operable with the solar panel presentation system, and operable to support the solar panel dispensing hopper, and to maneuver about a solar panel support assembly comprising one or more solar panel retention systems which can be oriented transverse to a torque tube of the solar panel support assembly, wherein the installation vehicle is operable to position the solar panel dispensing hopper in an overhead position relative to the one or more solar panel retention systems, and to facilitate installation of a lead solar panel in an installed position in one of the one or more panel retention systems from the overhead position.
Owner:PALLADYNE CORP

Torque Tube Clamps for Automated Solar Panel Installation

In accordance with the present disclosure, a torque tube clamp can include a clamp support, a torque tube collar having an open torque tube-receiving position and a closed torque tube-locking positon, and a pivotable locking assembly. The pivotable locking assembly may include a ground link with a ground bar coupled to the clamp support by a ground pivot, and an engagement link including an engagement bar directly or indirectly coupled to the ground bar by an engagement pivot. The engagement bar can be part of the torque tube collar and can be movable from the open torque tube-receiving position to the closed torque tube-locking position.
Owner:SARCOS CORP

Solar cell, preparation method thereof and photovoltaic module

The invention provides a solar cell, which comprises a silicon substrate having a backlight surface and a light facing surface which are opposite, the backlight surface comprises first areas and second areas which are alternately arranged, the first areas of the backlight surface are provided with first pyramid structures, the light facing surface is provided with second pyramid structures, the first pyramid structures are provided with first passivation contact layers, and the second pyramid structures are provided with second passivation contact layers; the first pyramid structure is provided with a first passivation contact layer, the reflectivity of the first area is 5%-14%, the second pyramid structure is provided with a passivation antireflection layer, the reflectivity of the light facing face is 5%-14%, the second area is provided with a second passivation contact layer, the reflectivity of the second area is 25%-50%, and the ratio of the area of the first area to the total area of the backlight face is 40%-70%. The light trapping effect of the light-facing surface is further improved by setting different shapes in different areas of the light-facing surface and the backlight surface, and the passivation effect and the carrier transport effect of the surface of the back pyramid structure are balanced while the light trapping effect of the backlight surface is improved; the photoelectric conversion efficiency and the double-sided rate of the solar cell are improved; and the appearance color difference of the receiving surface is improved.
Owner:LONGI GREEN ENERGY TECHNOLOGY CO LTD XIXIAN NEW AREA BRANCH

System for supplying power to a portable battery using at least one solar panel

A system for supplying power to a portable battery pack including a battery enclosed by a wearable and replaceable pouch or skin using at least one solar panel is disclosed, wherein the pouch or skin can be provided in different colors and / or patterns. Further, the pouch or skin can be MOLLE-compatible. The battery comprises a battery element housed between a battery cover and a back plate, wherein the battery element, battery cover, and back plate have a slight curvature or contour. Further, the battery comprises flexible leads.
Owner:LAT ENTERPRISES INC

Solar cell and photovoltaic module

The invention provides a solar cell and a photovoltaic module, and relates to the technical field of photovoltaics. The solar cell includes a first surface and a second surface opposite to each other in a thickness direction thereof, and a side surface connecting the first surface and the second surface, the side surface including a cut surface and a non-cut surface; an inorganic passivation layer formed on the cutting surface; at least part of the inorganic passivation layer contains carbon elements. In the invention, on one hand, the inorganic passivation layer on the cutting surface is not easy to damage, and a good passivation effect of the inorganic passivation layer is maintained; and on the other hand, the inorganic passivation layer is easier to bond and chain with silicon and the like on the cutting surface, and the binding force with the cutting surface is better.
Owner:LONGI PHOTOVOLTAIC TECHNOLOGY (ORDOS) CO LTD

Solar cell, manufacturing method thereof and photovoltaic module

The invention discloses a solar cell and a manufacturing method thereof, and a photovoltaic module, and relates to the field of photovoltaic technology. The solar cell includes: a semiconductor substrate having a first surface including a first region and a second region; the second area comprises an edge area and a middle area, each of the edge area and the middle area comprises a step structure recessed towards the second surface, and the step depth of the step structure of the edge area of the second area is larger than that of the step structure of the middle area of the second area; and the first doping layer is arranged on the first region, and the height of the bottom wall of the step structure in the middle region of the second region is lower than that of the first doping layer. The first passivation layer is arranged on the side, away from the semiconductor substrate, of the first doping layer and arranged on the second area. According to the embodiment of the invention, the thickness along the splitting direction is reduced, so that the splitting difficulty is reduced, meanwhile, the recombination of current carriers is reduced, and the passivation effect is improved.
Owner:LONGI PHOTOVOLTAIC TECHNOLOGY (ORDOS) CO LTD

Solar cell, preparation method thereof and photovoltaic module

The invention provides a solar cell and a preparation method thereof, and a photovoltaic module, the rear surface of a semiconductor substrate is provided with a first region and a second region which are adjacent to each other, and the first region is provided with a first sub-region and first overlapping regions located at the two sides of the first sub-region; the first overlapping area is provided with a tunneling layer, a first doped conductive layer, a passivation layer, a second doped conductive layer and a first transparent conductive layer, the length of the first overlapping area in the first direction is D1, and the first direction is parallel to the surface where the semiconductor substrate is located; the rear surface of the semiconductor substrate is also provided with a third region and a fourth region which are adjacently arranged, and the third region is provided with a third sub-region and third overlapping regions located at the two sides of the third sub-region; the third overlapping region is provided with a tunneling layer, a first doped conductive layer, a passivation layer, a second doped conductive layer and a first transparent conductive layer, the length of the third overlapping region in the first direction is D2, and D1 is different from D2.
Owner:JINKO SOLAR (HAINING) CO LTS

Wearable and lightweight portable power case

Systems, methods, and articles for a wearable and lightweight portable power case are disclosed. The portable power case is comprised of a cylindrical housing, at least two battery elements connected to a printed circuit board (PCB), and at least one separating barrier between the at least two batteries and the PCB. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, a tablet, a portable satellite dish and / or any other power consuming device. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and / or generators.
Owner:LAT ENTERPRISES INC

Intelligent charging and endurance optimization method for unmanned aerial vehicle nest

The invention relates to the technical field of unmanned aerial vehicles, and discloses an intelligent charging and endurance optimization method for an unmanned aerial vehicle nest, and the method comprises the steps: collecting flight, battery and environment data through an unmanned aerial vehicle, transmitting the data to a nest, and precisely evaluating the remaining endurance of the unmanned aerial vehicle through the nest in combination with historical tasks and geographic information; performing dynamic task planning based on reinforcement learning, and generating an optimal charging strategy by using a dynamic planning algorithm; by means of a multi-mode sensor and a self-adaptive charging control model, intelligent regulation and control of the charging process are achieved; and through solar auxiliary power supply and multi-machine cooperative charging, the endurance is enhanced. The problems of low charging efficiency, poor endurance management, insufficient system reliability and the like in a traditional method are effectively solved, the utilization rate of nest charging resources is remarkably improved, the service life of a battery is prolonged, the endurance of the unmanned aerial vehicle and the system stability are enhanced, and the method has important significance in promoting efficient application of the unmanned aerial vehicle in multiple fields.
Owner:SUIZHOU POWER SUPPLY COMPANY STATE GRID HUBEI ELECTRIC POWER

Solar power generation power real-time prediction method, system and device based on multi-modal deep learning, and storage medium

The invention provides a solar power generation power real-time prediction method, system and device based on multi-mode deep learning and a storage medium. Wherein the prediction precision is improved by fusing multi-dimensional features of earth surface radiation, equipment temperature and environmental data, mutation fluctuation decomposition is performed on long and short wave components of earth surface solar radiation, and a frequency domain sub-modal sequence is extracted; constructing a correlation model of a photovoltaic module temperature field and hot spot infrared data, and generating a dynamic feature map reflecting hot spot interference space distribution; establishing a multi-mode time sequence prediction model, and synchronously processing frequency domain features of radiation sub-modes, spatial correlation of hot spot feature maps and time sequence dependence of temperature and humidity data; and integrating the prediction results of the sub-modals through a frequency domain superposition reconstruction technology. According to the technical scheme provided by the invention, through multi-modal spatial-temporal feature joint modeling and dynamic interference decoupling, the power prediction precision in extreme weather and hot spot abnormal scenes is remarkably improved, and meanwhile, the dynamic adaptive capacity of a prediction system to complex environment disturbance is enhanced.
Owner:TANGSHAN COLLEGE

Spinel multi-objective reverse design method based on machine learning and Bayesian optimization algorithm, electronic equipment and storage medium

The invention relates to a spinel multi-objective reverse design method based on machine learning and a Bayesian optimization algorithm, electronic equipment and a storage medium, and the design method comprises the steps: firstly extracting related data of a spinel material from a database, and constructing a balanced data set through preprocessing; feature engineering is carried out, a comprehensive feature set is constructed, and key features are reserved; then training a multi-target prediction model through hyper-parameter optimization by using a multi-task gradient elevator model; and finally, integrating to a Bayesian reverse design framework, expanding a design space through a specific encoder, and combining a Gaussian process proxy function and an expected hyper-volume improvement criterion to screen candidate materials meeting conditions and verify performance, thereby completing reverse design optimization. Compared with the prior art, the intelligent and efficient spinel novel multi-target reverse design method can be used for solving the problem of data scarcity, and development of high-performance spinel solar cell materials is accelerated.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Wearable and lightweight portable power case

Systems, methods, and articles for a wearable and lightweight portable power case are disclosed. The portable power case is comprised of a cylindrical housing, at least two battery elements connected to a printed circuit board (PCB), and at least one separating barrier between the at least two batteries and the PCB. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, a tablet, a portable satellite dish and / or any other power consuming device. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and / or generators.
Owner:LAT ENTERPRISES INC

Four-end laminated battery assembly and preparation thereof, and photovoltaic assembly

The invention relates to the technical field of solar cells, and particularly provides a four-end laminated cell module, preparation thereof and a photovoltaic module. The four-end laminated battery assembly comprises a bottom battery pack and a perovskite battery pack, the perovskite battery pack comprises a plurality of perovskite sub-batteries, and each perovskite sub-battery comprises a first electrode layer, a first transmission layer, a perovskite light absorption layer, a second transmission layer and a second electrode layer which are stacked in sequence; the perovskite sub-cell further comprises a first groove penetrating through the first electrode layer, a second groove penetrating through the first transmission layer, the perovskite light absorption layer and the second transmission layer, and a third groove penetrating through the second electrode layer. The total width of the second trench and the third trench is 500-770 [mu] m. According to the technical scheme of the invention, the optical distribution can be adjusted, and the optical performance of the module can be improved.
Owner:TRINA SOLAR CO LTD

Method and apparatus for solar powered and navigationally optimized hydrofoil autonomous vessel

An unmanned ocean vehicle apparatus having a hull, solar array, hydrofoil, and electric thruster is operable on a surface of a body of water to travel from one point to another with long range capabilities. The unmanned ocean vehicle can further be placed in a more compact configuration, incorporating a mechanism to alternate between operational mode and collapsed storage mode to facilitate physical storage or shipment of the vehicle. Methods are described for optimizing travel and determining favorable movements of the unmanned ocean vehicle by calculating current and predicted conditions at certain waypoints using a combination of a sensor, a computer, and a control system. The physical support of hydrofoils, a drag reducing system, capsize-prevention technique, and a three-dimensional arrangement of solar panels provides efficient power management, optimal route strategy, and sustainability of the vehicle's high speeds in wildly varying ocean conditions.
Owner:TODTER CHRISTOPHER

Disinfection lamp with underwater light projection effect

Disclosed is a disinfection lamp with an underwater light projection effect, comprising an upper lampshade, a lower lampshade, a lens lampshade and a tube for containing sustained release chlorine tablets, wherein a circuit board and a battery are arranged on the lens lampshade, a solar panel is mounted on the surface of the upper lampshade, a first light bead is arranged on the lower surface of the circuit board, a light diffuser is arranged at a position, corresponding to the first light bead, of a bottom of the lens lampshade, the first light bead is located in the light diffuser, and the lower lampshade is mounted at the bottom of the lens lampshade. The disinfection lamp can float on water, and the tube containing the sustained release chlorine tablets is immersed in water, such that a conventional water purification, sterilization and disinfection effect is realized.
Owner:SHEN ZHEN LAMHO PHOTOELECTRICITY & TECH CO LTD

Slope multi-mode monitoring and early warning system and method based on digital twinning

The invention discloses a slope multi-modal monitoring and early warning system and method based on digital twinning, and relates to the technical field of slope monitoring, and the system comprises a data acquisition module, a data processing module, a digital twinning modeling module, a deformation prediction module, an early warning visualization module and a solar power supply module. According to the invention, slope multi-source monitoring data is obtained through the data acquisition module, and after the slope multi-source monitoring data is preprocessed by the data processing module, a slope digital twinborn model is constructed and calibrated by the digital twinborn modeling module; deformation prediction is realized by combining a space-time prediction model which contains a space correlation and time sequence analysis module and is optimized by multi-scale neighborhood aggregation, a DTW loss function and transfer learning, and a future-state digital twin is generated through an early warning visualization module and risks are visualized. And the solar power supply module is matched to ensure the operation of a scene without an external power supply and the flexible deployment of the assembly connection module, so that a multi-mode, high-precision and sustainable slope monitoring and early warning scheme is formed.
Owner:DALIAN UNIV OF TECH +1

Deep foundation pit excavation deformation real-time monitoring system based on relative measurement

The invention discloses a deep foundation pit excavation deformation real-time monitoring system based on relative measurement. The deep foundation pit excavation deformation real-time monitoring system comprises a relative measurement sensor group, a data acquisition and preprocessing module, a wireless data transmission module, a cloud data processing and analysis module, an intelligent risk assessment module, a visual alarm module and a solar power supply and energy storage management module. The relative measurement sensor group collects deformation data of the deep foundation pit, the data acquisition and preprocessing module performs primary processing on the data, the wireless data transmission module stably transmits the data to the cloud, the cloud data processing and analysis module performs deformation prediction, and the intelligent risk assessment module performs risk grading. The visual alarm module gives an alarm in real time and carries out emergency notification according to different risk levels, and the solar power supply and energy storage management module guarantees continuous operation of the system. The system solves the problems of measurement precision, data transmission, risk assessment, power supply stability and the like of an existing monitoring system, provides powerful support for safe construction of the deep foundation pit, and has remarkable benefits.
Owner:CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD +2

Solar cell, photovoltaic module and preparation method of solar cell

The invention relates to the field of photovoltaic technology, in particular to a solar cell, a photovoltaic module and a preparation method of the solar cell, the solar cell comprises a substrate, the substrate comprises a first surface and a second surface, the first surface comprises a first area and a second area, and the second surface comprises a third area and a fourth area, the first diffusion layer is located on the first area or located in the substrate corresponding to the first area, the first diffusion layer is opposite to the substrate in conductive type, the second diffusion layer is located in the substrate corresponding to the third area, the second diffusion layer is opposite to the first diffusion layer in conductive type, and the first passivation layer is located on the third area and the fourth area. The first passivation layer covers the second diffusion layer and is in contact with the substrate, the first electrode electrically connected with the first diffusion layer is arranged on the first area, the second electrode electrically connected with the second diffusion layer is arranged on the third area, and the open-circuit voltage and the short-circuit current of the solar cell are improved through the design, and the photoelectric conversion efficiency is improved.
Owner:SHANGRAO JINKO SOLAR NO 3 INTELLIGENT MANUFACTURING CO LTD +1

Solar cell, method for manufacturing the same, photovoltaic module and photovoltaic system

ActiveUS20250301820A1Electrical batteryContact layer
The present application relates to a solar cell, a method for manufacturing the same, a photovoltaic module and a photovoltaic system. The solar cell includes: a substrate (110), including a first surface (S1) and a second surface (S2) being opposite to each other, wherein the first surface (S1) has a first region (A) and a second region (B) adjacent to each other in a first direction; a passivating contact layer (120), located in the first region (A) of the first surface (S1); a polysilicon layer (130) located on at least a part of a surface of the passivating contact layer (120) away from the substrate (110); the passivating contact layer (120) including a first tunneling layer (121) and a first doped layer (122), the first tunneling layer (121) and the first doped layer (122) being sequentially stacked on the first region (A) of the first surface (S1) of the substrate (110) in a direction away from the second surface (S2); and a first passivation layer (140), located on a surface of the polysilicon layer (130) away from the passivating contact layer (120) and on the second region (B) of the first surface (S1).
Owner:TRINA SOLAR CO LTD

Laser light-transmitting scribing control method and system for solar thin-film cell

The invention relates to the technical field of solar cell processing, in particular to a laser light-transmitting scribing control method and system for a solar thin-film cell. The control method comprises the steps that a large-size substrate is divided into a plurality of galvanometer view fields through a dynamic flight continuous machining mode, a continuous snake-shaped machining path is generated, the laser machining platform is driven to continuously move at the constant speed, and the galvanometer scanning system is synchronously triggered to start lineation in a splicing area in advance. According to the method, a time domain coupling equation of galvanometer scanning frequency-platform movement speed-laser pulse sequence is established, and dynamic compensation of an optical path and self-adaptive adjustment of energy density are achieved in the continuous machining process. Based on a view field expansion algorithm of a nonlinear kinematics model, the phase deviation of a scanning vector and a motion vector is effectively inhibited, and the geometric continuity of a splicing interface in ultra-long stroke machining is guaranteed.
Owner:SHENZHEN QINGHONG LASER TECHNOLOGY CO LTD

Mid-term coordinated dispatch method for hydro-wind-solar hybrid systems incorporating multi-regional daily load profiles

This invention advances power grid operational planning by introducing a mid-term scheduling framework for integrated hydro-wind-solar systems that accounts for heterogeneous daily load profiles across multiple receiving-end power grids. The proposed approach utilizes an adaptive variable-step search algorithm to segment loads into peak, flat, and valley intervals. By synthesizing five key metrics, including mean daily load, daily load factor, peak-valley differential ratio, load rates during peak / valley periods, and timing of peak / valley occurrences, the method accurately captures region-specific load patterns and peak-shaving demands. This enables a refined reconstruction of load profiles of receiving-end power grids. A nested multi-temporal scheduling model that couples medium- and short-term horizons to simultaneously maximize total energy production and minimize transmission imbalances among power grids. The model is addressed by using the mixed-integer linear programming (MILP) to obtain medium- and short-term generation schedules and power transmission schedules.
Owner:DALIAN UNIV OF TECH

Portable power case with lithium iron phosphate battery

Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least one USB port and at least two access ports, at least two leads, or at least one access port and at least one lead. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.
Owner:LAT ENTERPRISES INC

Battery piece and photovoltaic module

The invention relates to the technical field of solar cells, in particular to a cell piece and a photovoltaic module. The battery piece comprises a body, a bonding pad, a harpoon structure and a fine grid. The bonding pad comprises an edge bonding pad and a middle bonding pad, and the middle bonding pad is located on one side of the edge bonding pad in the first direction. In the first direction, the harpoon structure is located on the side, away from the middle bonding pad, of the edge bonding pad, and the harpoon structure comprises a harpoon gap. A first fine grid and a second fine grid are arranged on the side, away from the middle bonding pad, of the edge bonding pad, and the first fine grid is located between the second fine grid and the edge bonding pad. The first fine grids are disconnected at the fish fork gaps, and the second fine grids penetrate through the fish fork gaps along the second direction, thereby optimizing the current collection path, facilitating the reduction of the current transmission loss, and improving the output power of the battery piece.
Owner:JINKO SOLAR CO LTD +1