32 results about "Solar maximum" patented technology

The invention discloses a direct current varied-frequency air conditioner with a solar battery, comprising a solar battery, a direct current varied-frequency air conditioner, a solar power supply controller and a commercial power grid, wherein the solar power supply controller is connected between the solar battery and the direct current varied-frequency air conditioner; the varied-frequency air conditioner comprises an AC-DC rectifier and a AC varied-frequency air conditioner circuit; and the solar power supply controller comprises a DC-high-voltage DC inverter and a solar maximum output power point track (MPPT) control unit which is used for monitoring the output power of the solar battery, controlling the DC-high-voltage DC inverter to convert low-voltage direct current power output by the solar battery into high-voltage direct current and directly supplying power to a direct current varied-frequency air conditioner circuit. The commercial power grid is connected in parallel with the solar power supply controller through the AC-DC rectifier and directly supplies power to the direct current varied-frequency air conditioner circuit. The invention has the characteristics of low manufacturing cost, energy saving, environmental protection, reduction on the influence of environment, flexible operation, high energy-efficiency ratio and wide application range.

The invention discloses a portable solar charger capable of charging batteries of mobile equipment, belongs to the technical application field of solar batteries, and aims to equip a universal photovoltaic charging controller for battery development of portable communication equipment. The solar charger capable of charging various batteries is mainly characterized in that an IC (integrated circuit) module mounted in a box body comprises an MCU (microprogrammed control unit)-controlled MPPT (maximum power point tracking) solar maximum power output charging unit, a DC / DC control unit, a voltage and current detection unit, and a display and warning unit. Multidimensional folded flexible solar battery components or other power supplies are plugged in plug-in PV input interfaces; the battery types, voltage and capacities controlled by the rear end are various; and the front end adopts photovoltaic input, so that maximum photovoltaic input when the charger is used for batteries with different voltage can be achieved. The controller is applied in a field environment, has good water resistance, and is concise in display and convenient to operate and carry.

The invention relates to a portable solar mobile power supply for a notebook computer. An integral circuit structure comprises a main control circuit, a solar maximum power point tracking (MPPT) charging system, a lithium battery protection circuit, a high-power boosting circuit, two high-power voltage reduction circuits, an output filter circuit and a light-emitting diode (LED) liquid crystal display. The main control circuit is respectively connected with the lithium battery protection circuit, the high-power boosting circuit, the two high-power voltage reduction circuits, the output filter circuit and the LED liquid crystal display. The portable solar mobile power supply has the advantages that portability and practicality of the solar mobile power supply are improved by novel circuit and casing shape structural design; a maximum power tracking technology is utilized, and efficiency of a solar cell panel in charging the solar mobile power supply is improved; automatically optimized high-power components are adopted to form the boosting circuit and the voltage reduction circuits, the portable solar mobile power supply has the output characteristics of being high in efficiency and capable of switching voltage, software and hardware double-layer overcharge, over discharge, overcurrent and over-temperature protection is adopted, the portable solar mobile power supply has better safety, and good reference significance is provided for design of the solar mobile power supply.

The invention provides a control method with solar maximum power tracing. The method comprises the steps of: obtaining the voltage of the maximum power reference point; obtaining a real time digital power of a solar battery; determining the disturbance direction of a real time digital current voltage according to the real time digital power and adjusting the step length of a duty cycle according to formation or not and the change quantity of the real time digital current voltage; and adjusting the real time digital current voltage according to the duty cycle of a drive signal to realize solar maximum power tracing. The control method with solar maximum power tracing provided by the invention has the advantages of higher output efficiency, better tracing effect and lower cost, and can be widely applied to the application field of solar energy.

The invention provides an electrodeless system with a solar maximum power tracking control. The system comprises a solar electrodeless lamp ballast, a grid-connected inverter or a battery, and an electrodeless lamp; wherein the solar electrodeless lamp ballast obtains a reference point voltage of the maximum power of a solar power battery; according the increasing and the decreasing of a real-time digital power, the way of duty cycle of a driving signal is changed by using pulse width modulation, and the perturbation direction of the real-time digital DC voltage is correspondingly maintained or changed; step of the duty cycle is determined according to whether |URF-u(K)|>1 / 4URF is correct or not, as well as variation of the real-time digital DC voltage; and the DC voltage with the maximum output power is processed by the grid-connected inverter or the battery and is sent to the electrodeless lamp. The electrodeless system with solar maximum power tracking control has the characteristics of high output efficiency, better tracking effect and lower cost, and can be widely used in the field of solar energy applications.

The invention discloses a self-cleaning intelligent wireless control air purifier of an indoor solar photocatalyst. The air purifier comprises a bottom plate, a strut located on the bottom plate, and a machine body. A solar cell panel is fixed to the upper portion of the strut. The machine body is internally provided with a lithium iron phosphate cell energy storage system, an energy transmission management module, a photocatalysis purification control module, a purifier comprehensive module, a WIFI remote intelligent control module, a maximum power point tracking (MPPT) solar charging and discharging control module, a draught fan, a particle filtering net, an air inlet, an air outlet and an air flue. The solar maximum power point tracking power supply scheme and the intelligent wireless control scheme are adopted, the novel nano-composite photocatalysis self-cleaning material is adopted, and the intelligent wireless control air purifier is capable of generating power by itself and is free of maintaining.

The invention discloses a light-concentrating transmission device based on a reflector, which includes a reflector group, a mirror group direction adjustment system, a photoelectric panel, and a hydraulic motor composed of a hydraulic motor outer stator and a hydraulic motor inner rotor; the reflector group consists of a plurality of The reflection is composed of regular hexagonal plane mirrors. Each plane mirror is distributed along the trajectory of the paraboloid and forms a parabolic structure; the mirror group direction adjustment system includes a fixed link and an oil cylinder telescopic link. The convex surface of the reflector group passes through several fixed links. The rod and the telescopic connecting rod of the oil cylinder are connected with the outer stator of the hydraulic motor, and the photoelectric board is fixed on the concave surface of the mirror group through several connecting rods; several support brackets are arranged at the bottom of the inner rotor of the hydraulic motor; a black box is arranged on the photoelectric board; The implementation method is: adjust the angle of the reflector group in time through the analog I / O device, collect the reflected light from the sun to the maximum, improve the degree of intelligent control, greatly reduce manual care, and obtain renewable and low-cost electric energy.

The invention discloses a solar maximum power tracking method, which comprises the following steps of: firstly, carrying out global optimizing by using a larger-step-length disturbance method, finding a global maximum power point, tracking the maximum power point by using an incremental conductance method, and absorbing the advantages of the two methods to ensure the correctness of the current maximum power point; and secondly, locking the found maximum power point for eight to ten minutes, and searching the maximum power point for the second time after eight to ten minutes. The invention also discloses a charging device by using the solar maximum power tracking method. A control end of a buck type conversion module of the charging device is connected with a maximum power point tracking (MPPT) core control module; a signal input end of the buck type conversion module is connected with a solar battery; and a signal output end of the buck type conversion module is connected with a storage battery. By the invention, the charging efficiency of the solar battery on the storage battery is improved.

The solar energy collection grid structure includes a grid composed of multiple trusses. There are one or more spherical supports at the bottom of the grid. Nodes are installed on the upper cover of the support. The grid is installed and fixed on the support. On the nodes, the web members, the upper chord and the lower chord of the network frame adopt rigid members, and the upper chord is attached with cable members, and the two ends of the cables are fixed on the nodes on the support. The invention adopts the combination of grid structure, cable member and spherical or hyperbolic support so that the energy collecting plate can rotate with the movement of the sun, and can be kept perpendicular to the sun's rays as far as possible, so as to make full use of energy saving and environmental protection. , cheap solar energy, to achieve the maximum purpose of energy collection, in addition to low steel consumption, light weight, not affected by earthquake load and wind load, and prolong service life.

The invention relates to a solar maximum power point tracking system and a method for implementing the same. A system circuit consists of a front-end state detection circuit, a switching circuit, a controller, a rear-end state detection circuit, a rear-end signal conditioning circuit, a disturbance step-length generator, a disturbance cycle generator and a front-end signal conditioning circuit. By adoption of a control method for variable-cycle and variable-step-length disturbance, the controller, a data acquisition circuit and a logic control circuit can be designed into an integrated circuit. The solar maximum power point tracking system is implemented by using high-efficiency simple control software. The invention has the characteristics of simple circuit structure, simple software algorithm, low power consumption, high efficiency and the like; and the power consumption of the own power supply of the system can be reduced. By the invention, the control method for the maximum power point tracking and load tracking of a solar battery is realized, and load protection can be provided. The invention is particularly applicable to some small and medium-sized solar storage battery charging circuits and solar battery power stations which independently operate.