56 results about "Photovoltaics" patented technology

Embodiments of the invention provide systems, devices, and methods for mounting a photovoltaic module to a structure, such as a roof. An embodiment of a method for mounting a photovoltaic module to a structure may include providing a photovoltaic module, a first mounting device, and a second mounting device. The first mounting device and the second mounting device may be coupled with the structure, such as a roofing membrane, so that opposing mounting channels of the respective devices face one another. The method may further include inserting a first edge of the photovoltaic module within the mounting channel of the first mounting device and inserting a second edge of the photovoltaic module within the mounting channel of the second mounting device so that the photovoltaic module is disposed between the first mounting device and the second mounting device.

The invention discloses a multifunctional integrated solar energy and wind energy monitoring street lamp which comprises a lamp pole, an integrated solar energy and wind energy monitoring street lamp device and a support for installing the integrated solar energy and wind energy monitoring street lamp device. The integrated solar energy and wind energy monitoring street lamp device comprises a control box, a solar power generation device, a wind power generation device, an automatic photovoltaic board cleaning device, an electric storage device, a camera and an LED lamp. The camera is connected with a mini-type network monitoring emission processor. LED screens are arranged on the periphery of the control box. The control box is installed on the lamp pole through the support. The multifunctional integrated solar energy and wind energy monitoring street lamp is compact in structure, small in occupied area, multifunctional and capable of greatly facilitating work and life of people; a solar photovoltaic board and a wind power generator supply power, energy is saved, and environment friendliness is achieved; the LED screens are installed to be used for advertising, a network monitoring system can remind a traffic management department in time to adjust the traffic vehicle jam condition, and road traffic safety is facilitated.

The invention provides a two-dimensional double perovskite material. The composition formula of the two-dimensional double perovskite material is AnMIIIMIX8, wherein A is organic amine; MIII is a trivalent metal element; MI is a monovalent metal element; and X is halogen. The two-dimensional double perovskite material has certain advantages of methylamine lead-iodine perovskite and lead-free double perovskite. The material is lead-free and environmentally friendly, has very good light stability and good chemical stability, and is unlikely to deteriorate in air. The material has a suitable andadjustable light absorption band gap, and more importantly can be used for preparing a film at a low temperature by a solution method. The advantages provide basis for the application of the materialin the photovoltaic fields such as solar cells, optical detectors and light-emitting diodes.

The invention discloses a solar-powered seawater desalination device, a stove combined device and a using method thereof. The solar-powered seawater desalination device comprises a solar thermal collector, a seawater evaporator, a solar energy pumping station, an expansion tank, a condenser, a seawater storage container and a photovoltaic module, wherein the solar thermal collector is used for converting the solar radiation energy into heat energy so as to provide a heat source for a circulating medium; the seawater evaporator is used for heating the seawater so as to generate steam by taking the circulating medium provided by the solar thermal collector as a heat source; according to the solar energy pumping station, circulation of the circulating medium between the solar thermal collector and the seawater evaporator is realized; the expansion tank is connected with the solar energy pumping station, and the pressure change of the circulating medium in a circulating path is regulated by storing or releasing the circulating medium; the condenser is used for cooling the steam conveyed by the seawater evaporator so as to form fresh water; the seawater storage container is used for storing the seawater and supplying the stored seawater to the condenser so as to serve as cooling water by virtue of a seawater supply pump; and the photovoltaic module is used for converting the solar energy into electric energy for providing power for electric equipment. Therefore, seawater desalination can be rapidly realized by virtue of solar energy only.

The invention discloses a power grid optimization partitioning method for new energy consumption analysis. The method comprises the following steps: S1, determining a unit sub-region power grid Ui; S2, collecting and making statistics of a new energy historical generated output data sequence and eliminating abnormal data Pre, i(t); S3, calculating accumulated generating capacity Ere, i of all newenergy power stations; S4, collecting historical power load data exceeding Pload, i(t) and removing the abnormal data; S5, calculating accumulated power consumption Eload, i of the power load; S6, calculating matched power generation power Pmatchre, i (t) and matched power utilization power Pmatchload, i(t) at each moment; S7, calculating the total match power generation electric quantity Ematchre,i and the total match power utilization quantity Ematchl, i; S8, calculating a time sequence match degree Kmatch, i; and S9, classifying source-load match degree coefficients Kmatch, i of all unit sub-regions. The optimization method, through long-time statistical data analysis, adopts a key characteristic index of the time sequence match degree to measure the match degree of the generated outputand the power load of the photovoltaic power station on the time sequence, and provides a basic support for formulating planning schemes of site selection and constant volume and the like of distributed photovoltaics.

A solar photovoltaic power generation based automatic light supplementing and watering system of a greenhouse comprises a remote control center, a control center, a solar module, an LED light supplementing module, a power supply module and a watering module. The solar module, the control center and the LED light supplementing module are connected bidirectionally in sequence; the watering module is connected with the control center; the power supply module is connected with the control center, the solar module and the LED light supplementing module as well as connected with the watering module; the control center is connected with the remote control center through wireless transmission; the solar module, the LED light supplementing module, the watering module and the power supply module are installed on the greenhouse. Watering and light supplementing can be carried out in time according to the humidity and light intensity in the greenhouse, and crops can grow better without keepers.

The invention provides a combined automobile charging pile device comprising a combined generating assembly, a pedestal, a box body, a shading unit, and a charging pile body. The box body is fixedly installed on the pedestal; and the shading unit is arranged at the top of the box body, wherein the superficial area of the shading unit is larger than that of the top of the box body. The combined generating assembly is fixed on the shading unit. The charging pile body is installed inside the box body; a direct-current output terminal interface and a control panel are arranged on the box body. The combined generating assembly and the charging pile body are connected by a lead. The combined generating assembly contains a solar photovoltaic generating assembly and a wind power generation assembly. The shading unit includes a shading platform and a flowing channel; the flowing channel is formed in the edge of the shading platform; and a flowing outlet is formed in the edge of the middle part of the shading platform.

The invention provides a photovoltaic multi-connected air conditioner carrier communication coupled transmission method and carrier communication coupled transmission circuit. The first signal coupled access pin of a broadband carrier module is connected with the copper pipe of a photovoltaic multi-connected air conditioner through a first Y capacitor. The second signal coupled access pin of the broadband carrier module is connected with the positive end or the negative end of the DC power supply line of the photovoltaic multi-connected air conditioner through a second Y capacitor. The signal coupled access pins of the broadband carrier module are respectively connected with the copper pipe and the positive end or the negative end of the DC power supply line through the Y capacitors so that the problems of being high in signal transmission attenuation, liable to be interfered, instable in impedance and complex in branch in the prior art can be solved.

The invention aims to provide a vehicle-mounted solar charging pile which is a combination of novel solar photovoltaic power generation and a charging pile, and solves the problems that an existing electric vehicle charging pile can only utilize alternating current and direct current power grids at fixed places to carry out charging and fails to fundamentally solve the problems of energy regeneration and environment pollution; in addition, the vehicle-mounted solar charging pile can provide emergency energy to an electric vehicle or other electric vehicles in a no-service-area region. According to the invention, the electric power of a solar cell is supplied to a storage battery by means of an intelligent controller, a direct current is utilized or the direct current is inverted into an alternating current to cooperate with the charging pile so as to charge the electric vehicle. A system cooperatively control maximum power tracking of the solar cell and intelligent charging of the storage battery, so that the photovoltaic charging pile is enabled to stably charge the electric vehicle, and the optimal utilization of solar energy is also realized.

The invention relates to a multi-quantum well photovoltaic battery based on a nanometer graphite electron transmission layer, and a preparation method thereof. The battery comprises a front electrode, an anti-reflection layer, N-type silicon, P-type silicon and a back electrode, wherein a composite layer composed of graphite and semiconductor quantum dots is arranged between the anti-reflection layer and the N-type silicon. Compared to the prior art, the method is characterized in such a way that a sol method is employed, first of all, a semiconductor quantum dot colloid is prepared; under the effect of a surfactant, the graphite is uniformly dispersed to the colloid, and then, by taking the graphite as a crystal growth liquid, a uniform an ordered electron transmission layer and a semiconductor quantum dot layer are grown on the surface of a crystal silicon chip in a deposition mode. According to the invention, by use of a quantum dot impact ionization effect and a namometer effect and excellent electron separate transmission performance of nanometer graphite, the minority carrier life and the quantum efficiency of the photovoltaic battery are improved, and the nanometer graphite can improve separation and collection of electrons by the silicon solar battery, improves photoelectric currents and accordingly improve the conversion efficiency of the silicon solar battery.

The invention discloses a heat pipe type concentrator-type photovoltaic/thermal integration-based combined heat and power generation apparatus. A high-power concentrator-type photovoltaic power generation system is realized through a Fresnel collecting lens; a heat pipe technology is introduced to the high-power concentrator-type photovoltaic power generation system; a cell chip is mounted on an evaporation section of a heat pipe, so that the heating problem of the concentrator-type cell chip is solved; a cooling water apparatus of the chip is designed in a series-wound and shunt-wound manner; a temperature sensor is mounted on a cooling water pipeline; the controller controls the rotary speed of a feed pump according to a signal of the temperature sensor and a temperature setting value so as to control the flowing speed of cooling water; and in other words, the temperature of the cooling water can be controlled. The high-power concentrator-type photovoltaic/thermal integration-based combined heat and power generation can be realized; and in addition, the system is extremely high in photoelectric efficiency and photo-thermal efficiency.

The invention relates to the technical field of coatings, and concretely relates to a photovoltaic glass panel surface layer anti-damping coating and a preparation method thereof. The photovoltaic glass panel surface anti-damping coating comprises, by weight, 8-20% of fluorosilicone copolymer resin, 5-12% of silica, 2-8% of a dispersant, 1-5% of a penetrant, 0.5-2% of an antifoaming agent, 1.5-5% of a leveling agent, and the balance of a diluent. The photovoltaic glass panel surface anti-damping coating has a water repellency reaching 95%, has a great water contact angle reaching 130 DEG or more and has a rolling angle being less than 20 DEG, so the coating has a good self-cleaning ability and a light transmittance of 98% or more under rain erosion, and also can guarantee the photovoltaic conversion rate on the premise of a self-cleaning effect. The preparation method of the photovoltaic glass panel surface anti-damping coating has the advantages of simplicity, low cost and high efficiency.

The invention discloses a method and system for detecting the mechanical tolerance of a photovoltaic module. The method successively comprises: inspecting the appearance defect of the photovoltaic module according to a predetermined appearance inspection standard; testing the optical attenuation rate of the photovoltaic module, and detecting the output power of the photovoltaic module under a predetermined test condition when the optical attenuation rate is less than a predetermined attenuation threshold; subjecting the photovoltaic module to a mechanical tolerance test; inspecting the appearance defect of the photovoltaic module according to the appearance inspection standard; detecting the output power of the photovoltaic module under the predetermined test condition; and ending the mechanical tolerance test. The method and system provide a reliable analysis basis and a determination criterion for the use performance, the service life, and the failure period of the photovoltaic modules used by a shared bicycle under different severe mechanical usage conditions, so as to make up for the lack of the detection process of the photovoltaic module used by the shared bicycle.

The invention provides a preparation method and a preparation system of a solar photovoltaic backboard. The method comprises the following steps: setting tension parameters of a base material and a covering film, and controlling the continuous operation speed of the base material and the covering film to be 10-600m/s; coating a solvent-free adhesive with the solid content of 100% to one surface of the base material or the covering film through an adhesive melting roller and a transfer roller in sequence to form a gummed base material; and attaching the side, containing the solvent-free adhesive, of the adhesive-coated base material and the non-adhesive-coated covering film or the base material to each other through a composite roller, and then winding and curing to obtain the photovoltaic backboard. According to the preparation method, the solvent-free adhesive is adopted as an adhesive, good matching with a base material and a covering film is achieved through process control, multiple layers are bonded permanently and firmly, the composite process is stable, solvent evaporation is not needed, environment friendliness and energy conservation are better achieved, and the working procedure is simpler.

The invention discloses a dissociation-solidification abrasive particle composite wire saw cutting method for photovoltaic polycrystalline silicon cells. The method comprises the following steps: (1)photovoltaic polycrystalline silicon workpieces are cut through a sawing wire; (2) mortar with dissociated silicon carbide abrasive particles is sprayed to a cutting area; and the dissociated siliconcarbide abrasive particles are distributed and constrained in a spiral baked wire area without solidified abrasive particles on the surface of the sawing wire; and (3) in the sawing process, the photovoltaic polycrystalline silicon workpieces are cut by the sawing wire; and meanwhile, the dissociated silicon carbide abrasive particles in the mortar are constrained in the spiral baked wire area onthe surface of the sawing wire under movement of the sawing wire to grind a cutting surface to cut the photovoltaic polycrystalline silicon cells. The method adopts the dissociated abrasive particle and solidified abrasive particle composite wire saw cutting to grind the surfaces of slices during slicing, and removes cutting line marks and plastic smooth areas on the surfaces of the slices causedby solidification abrasive particle wire saw cutting to form microstructures similar to the surfaces of the dissociated abrasive particle wire saw slices on the surfaces of the slices.

The invention discloses a photovoltaic power generation system for a new energy automobile for battery equalization. The photovoltaic power generation system comprises a solar photovoltaic array arranged at the top of the automobile, a current conversion circuit, a charging circuit, a control module, a switching circuit and a battery pack, wherein the solar photovoltaic array, the current conversion circuit, the charging circuit, the switching circuit and the battery pack are electrically connected in sequence; and the control module is electrically connected with the switching circuit and thebattery pack separately. When the photovoltaic power generation system works, the control module receives state information of various battery units in the battery pack, controls the switching circuit to charge the battery unit when the battery unit of which the power is lower than a preset power threshold exists, and cuts off connection of the charging circuit and the battery pack when the battery unit of which the power is lower than the preset power threshold does not exist. According to the photovoltaic power generation system, the service life of batteries is prolonged; and the overhighpart in the battery pack does not need to be adjusted and only the overlow part needs to be supplemented, so that the battery equalization effect is greatly improved and the energy is saved.

The invention discloses a solar charging station comprising a containing groove provided with an opening, a pair of steel plates, a support portion, a base plate, a photovoltaic group, a support column, a charging pile, a pair of second electric cylinders and a central controller. Fixing ends of the pair of steel plates are in shaft connection with the containing groove. The support portion comprises a pair of first electric cylinders and support plates. The pair of support plates is fixed on the internal wall of the containing groove. Each of the fixing ends of the pair of first electric cylinders is fixed on one support plate, and each telescopic end of the pair of first electric cylinders is in fixed connection with one steel plate. The photovoltaic group comprises a photovoltaic panel and a photovoltaic inverter. The photovoltaic panel is in electric connection with the photovoltaic inverter. The support column is in fixed connection with the photovoltaic panel. The charging pipe is connected to the photovoltaic inverter. The support column, the photovoltaic inverter and the charging pile are fixed on the base plate. Fixing ends of the pair of second electric cylinders are fixed on the bottom portion of the containing groove, and telescopic ends of the pair of second electric cylinders are fixedly connected to the base plate. The central controller comprises a single-chip machine and a server. Solar charging of the solar charging station of the invention is realized; photovoltaic elements are effectively protected; and the solar charging station is lasting and durable.

The invention discloses an efficient photovoltaic power generation system, comprising a photovoltaic array, an inductor L, a power electronic starting device, a power converter, a power grid or a load. The positive electrode of the photovoltaic array is connected with one end of the inductor L; the other end of the inductor L and the positive terminal of the power electronic starting device are co-connected with the positive terminal of the power converter. The negative terminal of the power electronic starter and the negative terminal of the power converter are connected to the negative electrode of the photovoltaic array. The power converter converts direct current to alternating current and is connected to the power grid or load. As existing photovoltaic power generation systems use diodes to prevent current from flowing backwards from power converters to photovoltaic arrays, and when the diode is turned on, there is a certain voltage drop, which will reduce the efficiency of the photovoltaic power generation system. Therefore, the invention proposes that the diode at the output end of the photovoltaic array is replaced by an inductance and a power electronic starting device, thus overcoming the power loss problem existing in the diode, and improving the efficiency of the whole photovoltaic power generation system.

The invention relates to the technical field of machining of photovoltaic backboard glass, in particular to an online series type drilling system for photovoltaic module backboard glass. The online series type drilling system comprises a transfer assembly line used for transferring the backboard glass, automatic positioning devices located above the transfer assembly line, and drilling machines located on one side of the transfer assembly line. The transfer assembly line stops the backboard glass on one sides of the drilling machines according to a control signal, the automatic positioning devices move downwards and fasten the backboard glass, and the backboard glass is drilled through the corresponding drilling machine. By means of the online series type drilling system for the photovoltaic module backboard glass, online drilling of the photovoltaic backboard glass is achieved, and meanwhile the requirement for the production capacity of 3-15 pieces per minute is met. In addition, one side of the transfer assembly line is provided with at least four sets of drilling machines, at least one set of drilling machine serves as a standby machine, abnormal conditions can be detected, the broken drilling machine is replaced by the standby machine, and in this way, the first-pass yield of products can be increased to be over 98%.

The invention discloses a photovoltaic power generation device. The photovoltaic plate of the photovoltaic power generation device adopts elastic flexible connection support or soft connection support; when the photovoltaic plate suffers from gale and the like, the elastic structure can provide a buffering function to prevent fracture; meanwhile, the photovoltaic power generation device can disconnect a cable of the photovoltaic plate and a cable of an inverter or a storage battery automatically when meeting with thunder, lightning, wind and rain to prevent dangerous accidents such as electricshock and short circuit and provide safety guarantee for the power generation device. Furthermore, photovoltaic power generation device has relatively good sealing effect as well as relatively high safety and reliability.

The invention relates to the technical field of photovoltaic films, in particular to an infrared shielded EVA photovoltaic film. The infrared shielded EVA photovoltaic film is prepared from, by mass, 94.5%-98.5% of ethylene-vinyl acetate copolymer resin, 0.10%-0.75% of an infrared shielding agent, 0.30%-2.0% of an antioxidant, 0.45%-2.0% of a cross-linking agent and 0.25%-1.10% of a silane coupling agent. The infrared shielded EVA photovoltaic film has the advantages that the infrared shielding agent is selected, almost all ultraviolet rays being 1,200-2,500 nm or above can be shielded, and the temperature of a battery piece obtained after encapsulation is greatly lowered; the particle size of the selected infrared shielding agent is nanoscale, the light transmittance ranging from 400 nm to 1,200 nm can achieve 90% or above, and the output power is greatly improved.

The invention discloses a method for preparing kitchen waste fertilizer by utilizing photovoltaic electric energy to treat kitchen waste. The method comprises the following preparation steps: 1) performing pretreatment on the kitchen waste; 2) adding the kitchen waste into a processor, and adding a moisture absorption regulating agent; and controlling the overall water content at 55-60%; 3) performing heating and heat preservation on the kitchen waste in the processor by utilizing the photovoltaic electric energy; 4) continuously introducing air by utilizing the photovoltaic electric energy; and 5) performing continuous fermentation for at least 10 days. Compared with the prior art, the method provided by the invention can obtain the organic fertilizer through harmless aerobic fermentationtreatment of the collected kitchen waste; in the fermentation process, the electric energy generated by a photovoltaic module is used, the kitchen waste is pulverized, ventilation and heat are provided, ultraviolet light energy is provided in the process of waste-gas recovery treatment, the photovoltaic electric energy is adopted in the whole fermentation process, so that the method is clean andenvironmentally friendly; and the method realizes the purpose of breaking up the whole composting treatment manner into parts, and facilitates treatment and classification of the organic kitchen waste.