133 results about "Sun tracking" patented technology

The invention belongs to the technical field of photovoltaic power generation, and discloses a photovoltaic tracking method and a photovoltaic tracking controller, and the method comprises the steps: collecting three-dimensional illumination distribution data through a multispectral imaging sensor and a grid irradiation sensor, and constructing a real-time sun position model in combination with an MEMS inertial measurement unit; predicting a local shadow moving path by adopting a generative adversarial network, and processing irradiance time sequence data based on a time sequence convolution module to generate a pre-compensation tracking instruction; based on the deployed deep reinforcement learning model, taking a weighting function of real-time generated power and a mechanical loss coefficient as a reward mechanism, and dynamically optimizing the rotating speed and the steering control quantity of the double-shaft motor; when the wind speed is larger than a preset threshold value, fluid mechanics simulation is started to calculate the non-horizontal wind-resistant posture, and the support is locked. According to the invention, through multi-modal sensor data fusion and deep reinforcement learning, high-precision and adaptive all-weather sun tracking is realized, and a digital twinborn model is introduced to carry out predictive maintenance.

There is disclosed an AI-driven biomimetic clustered photovoltaic (PV) system designed to maximize solar energy efficiency. Inspired by sunflowers, the system features autonomous intelligent PV clusters with radial and triangular panels that dynamically optimize sunlight absorption through biomimetic opening and closing mechanisms. Triaxial tracking and 360-degree rotation ensure precise sun tracking, while smart microcontrollers enable real-time weather monitoring and panel adjustment. The system integrates a self-sufficient cleaning and cooling system using rainwater and ambient moisture. Electrical performance sensors and AI-driven 360-dome cameras detect faults and enhance security. Clusters collaborate via extendable wings and are segmented for independent movement and optimal sun exposure. Scalable and adaptable, the system supports hybrid solar-wind energy harvesting and employs genetic algorithms for continuous learning and self-optimization across diverse environmental conditions. This approach enhances maintenance efficiency, adapts to environmental changes, and optimizes panel configurations for maximum energy production, surpassing traditional methods in complex environmental contexts.

The invention provides a photovoltaic panel sun tracking support and a tracking method thereof, a photovoltaic panel elevation angle adjusting device of the tracking support comprises a rotating shaft, and the rotating shaft is driven by a first driving device so as to adjust the elevation angle of a photovoltaic panel; the horizontal rotating device comprises a bidirectional multi-stage hydraulic cylinder, and the second driving device drives the bidirectional multi-stage hydraulic cylinder to rotate in the support sleeve so as to drive the photovoltaic panel bracket and the photovoltaic panel elevation angle adjusting device to horizontally rotate; the vertical lifting device is connected with a hydraulic power system, and the hydraulic power system adjusts the lifting of a piston rod by controlling the inlet and outlet of hydraulic oil in a bidirectional multi-stage hydraulic cylinder so as to drive the photovoltaic panel bracket and the photovoltaic panel elevation angle adjusting device to vertically lift; and the computer control system is connected with the first driving device, the second driving device and the hydraulic power system and is used for controlling the first driving device, the second driving device and the hydraulic power system. According to the invention, the position of the sun is tracked constantly, so that the photovoltaic panel is perpendicular to sunlight, and the photovoltaic generating capacity is improved.

The invention discloses a sun-tracking type solar energy storage device and method, and relates to the technical field of solar energy storage, and the device comprises the following components: a sensing detection module, a control processing module, an angle adjustment module, a solar energy conversion module, a thermoelectric power generation module and an energy storage module. Environmental information such as geographic latitude, season and illumination intensity is accurately acquired through the sensing detection module, the control processing module is combined with a preset algorithm and a database, a sun tracking strategy is dynamically adjusted in real time, and the angle adjusting module is driven to accurately control the angle and speed of the solar cell panel, so that the solar cell panel is always kept at the optimal receiving angle; the defect that a traditional fixed sun tracking algorithm cannot adapt to complex environment changes is effectively overcome, the solar energy capturing efficiency is remarkably improved, and it is ensured that solar energy resources can be obtained to the maximum extent under different environment conditions.

The invention discloses a solar photocatalytic reactor with a triple reflection condensation structure, and belongs to the technical field of solar energy utilization and photocatalysis. The reactor mainly comprises a stainless steel bracket, a triple reflection mirror group, a light capture reaction cavity and a transparent inner tube, the tertiary reflecting mirror group is composed of a primary parabolic reflecting mirror, a secondary plane reflecting mirror and a tertiary parabolic reflecting mirror, and is used for efficiently collecting and conducting incident sunlight in a large receiving angle range, and finally all the incident sunlight converges into the light capture reaction cavity. The inner wall of the reaction cavity is coated with a photocatalyst coating, and the unique optical structure of the photocatalyst coating enables incident light to be subjected to multiple diffuse reflection and not to escape until the incident light is fully absorbed by a catalyst, so that the effects of high illumination intensity, uniform distribution and high light energy utilization rate are achieved. Through optical structure innovation, under the condition that a high-precision sun tracking system is not needed, the technical problems that a traditional solar photocatalytic reactor is uneven in illumination, insufficient in light intensity and depends on tracking are effectively solved.

A solar power collection system includes one or more photovoltaic (PV) panel assemblies positioned by one or more tracker drive units. Each PV panel assembly includes at least one PV panel comprising PV cells that collect solar energy and a base attached to the PV panel. The base includes at least one curved rocker surface that presents a first convex surface in at least a first direction to a substrate. The base is positionable on the substrate with the first direction aligned with an east-west orientation. The tracker drive unit is mechanically coupled to the base via a selected one of: (i) a drive rod; (ii) a closed loop cable; (iii) a torsion mechanism to impart a selected amounting of rolling-rocking movement of the base across the substrate to position the PV panel to efficiently receive sunlight.

A window operation management system relates to a technical field of window operation supervision and includes a server, a photovoltaic power generation device, a sun tracking feedback device, an operation matching control device, a photovoltaic angle regulation detection analysis device and a power generation stability supervision device. The operation matching control device determines the regulation scheme based on sun tracking information and an angle regulation strategy and drives the photovoltaic power generation device to regulate the tracking angle, so that the photovoltaic power generation device receives solar energy to the maximum extent. Further, the photovoltaic angle regulation detection analysis device detects and analyzes the angle regulation operation of the photovoltaic power generation device to determine whether the angle regulation operation is qualified or unqualified and to evaluate the abnormal regulation condition of the operation matching control device in the photovoltaic detection period.

The invention relates to the technical field of photovoltaic cells, in particular to a photovoltaic cell with an efficient sunlight utilization function. The photovoltaic cell comprises a photovoltaic unit; and the plurality of photovoltaic units are mutually spliced to form a spherical structure. According to the spherical photovoltaic cell provided by the invention, photoelectric conversion efficiency fluctuation caused by angle change of a traditional photovoltaic cell can be avoided while the spherical photovoltaic cell can receive sunlight irradiation in all directions. Due to the spherical design, the photovoltaic cell can effectively capture sunlight at any angle, so that the photovoltaic cell has remarkable advantages in a dynamic illumination environment. In addition, the spherical photovoltaic cell is flexible in structure, can obtain better adaptability in extreme environments such as seaborne and desert, and does not need to depend on an expensive sun tracking system. By adopting the spherical structure, the combination of a plurality of flexible photovoltaic cells can effectively disperse external pressure and vibration and improve the capability of resisting extreme climates such as wind and sand, so that the service life of the photovoltaic cells is prolonged.

The invention relates to the field of sun tracking sensing devices, and aims to solve the problems that a light radiation detection system is delayed in response and high in analysis complexity due to indirect calculation or image analysis for obtaining a sunlight radiation angle, and accumulative errors exist under a dynamic illumination condition. According to the solar tracking sensing device and method for realizing dynamic scanning of the light radiation quantity, measurement and direct output of the light radiation quantity and the angle are realized through rotation of the two-axis holder, and the maximum value of the light radiation quantity and the angle value corresponding to the light radiation quantity of a to-be-measured site can be obtained by directly using the device disclosed by the invention at the to-be-measured site; the light radiation quantity and the corresponding angle are directly output, dependence on continuous light intensity distribution is reduced, the problems that dynamic response of a sun tracking device in the prior art is delayed, and the light radiation quantity and the corresponding angle cannot be directly output are solved, and the device can be widely applied to the photovoltaic panel fixing and installing process and a dynamic angle adjusting system of a photovoltaic panel.

The utility model relates to the technical field of solar power supply and day-by-day tracking control, in particular to a solar power supply and day-by-day sprinkling irrigation mechanism which comprises a solar cell panel, a tracking support, a sprinkling irrigation system, a main control unit and a standby power supply system. The solar cell panel is installed on the tracking support, and the tracking support comprises a main support, a rotating shaft, a driving motor and a photosensitive sensor. The sprinkling irrigation system comprises nozzles, a water pump and a water storage tank. The main control unit is electrically connected with the driving motor, the photosensitive sensor and the sprinkling irrigation system, and the standby power supply system comprises an energy storage battery and a charging management module. Automatic sun-by-sun tracking of the solar cell panel can be realized through the photosensitive sensor and the main control unit, the power generation efficiency is improved, intelligent control and fault detection are realized through the environment monitoring module and the fault detection module, and stable operation of the system is ensured.

The invention relates to the technical field of solar energy utilization, and discloses a real-time tracking solar energy optical fiber leading-in system. The system comprises a sun position data acquisition module, a model establishment and illumination intensity classification module, a weak illumination intensity optical fiber import module and a strong illumination intensity optical fiber import module. The method comprises the following steps: firstly, acquiring sun position data, establishing a sunlight vertical incidence model according to the sun position data, and dividing illumination intensity into strong illumination intensity and weak illumination intensity; under the weak illumination intensity, based on a sunlight vertical incidence model, control parameters in a PID controller are optimized, a sun tracking controller is established, and sunlight energy optical fiber introduction under the weak illumination intensity is achieved; under the strong illumination intensity, the outdoor lighting device of the solar energy optical fiber is adjusted in real time, position correction is conducted through an optical fiber coupling dynamic compensation mechanism, and solar energy optical fiber introduction under the strong illumination intensity is achieved. By collecting the solar energy, the purpose of guiding the solar energy into the optical fiber is achieved, and the method is objective and accurate.

The invention discloses a photo-thermal coupling self-powered tracking driving system, relates to the technical field of photovoltaic power generation, and solves the problems of energy consumption waste and use limitation in the prior art. The thermoelectric conversion module generates power by utilizing the temperature difference between waste heat generated by the photovoltaic panel in an illumination working state and the environment, the photovoltaic panel and the thermoelectric conversion module are electrically connected with the hybrid energy storage unit, and the hybrid energy storage unit comprises a capacitor and a rechargeable battery which are connected in parallel; the energy management controller is electrically connected with the photovoltaic panel, the thermoelectric conversion module and the hybrid energy storage unit and used for collecting the environment illumination intensity, the electric quantity state of the battery and the terminal voltage of the capacitor and generating a control instruction based on collected signals, and the driving mechanism is connected with the energy management controller and used for driving the hybrid energy storage unit to work. And driving the photovoltaic panel to adjust the azimuth angle and / or the elevation angle in response to the control instruction so as to perform sun tracking motion. The use adaptability is improved, and energy waste is reduced.

The invention relates to a sun tracking control method for a satellite solar panel, and the method comprises the steps: determining whether an orbit solar angle is between a first critical angle and a negative first critical angle or not, if yes, entering a one-dimensional panel control mode for sun tracking, returning a B axis to a zero position, and only controlling an A axis to rotate for sun tracking; if the orbital solar angle is out of the range from the first critical angle to a negative first critical angle, determining whether the orbital solar angle is greater than a second critical angle or less than a negative second critical angle, if so, entering a subsection control mode, and controlling the A axis and the B axis to rotate at a non-uniform speed for sun tracking; otherwise, entering a constant-speed rotation mode, and simultaneously controlling the A shaft and the B shaft to rotate at a constant speed for sun tracking, the second critical angle being greater than the first critical angle, and the first critical angle being greater than 0. According to the sun tracking control method, the sun vector information is used for calculation, the design strategy gives consideration to energy efficiency and attitude control, and the influence of frequent acceleration and deceleration of the solar wing on the satellite attitude is reduced.

The invention discloses a method for acquiring optimal measurement conditions of building room temperature monitoring. According to the method, a discrete coordinate radiation model is set, a sun tracking function is started at the same time, and wall mixed thermal boundary conditions are considered. Factors influencing the accuracy and stability of room temperature monitoring, such as temperature measurement distance, time, sunshade condition, temperature measurement position, weather condition, window opening and closing, outdoor temperature and room characteristic factors, are explored, so that the influence rule of different factors on the room temperature monitoring of the building is provided. According to the method, accurate modeling is performed according to thermodynamic behaviors in a complex building environment, and complex factors, including thermal conductivity of building materials, indoor air flow and heat source distribution, suffered by the room temperature of a building are considered; under different environmental conditions, dynamic characteristics of a building room temperature change rule are considered, a monitoring scheme is dynamically adjusted based on real-time simulation data to obtain an optimal measurement condition, and the complexity of the system is reduced in a real-time feedback process.

This utility model relates to the field of support frame technology, specifically disclosing a photovoltaic panel mounting support frame device, including a bracket, with symmetrical vertical plates fixedly installed on both sides of the bracket, and a horizontal bar rotatably arranged between the two sets of vertical plates. An mounting plate is fixedly installed on the horizontal bar, and the horizontal plate is fixedly installed on the bracket. A motor is fixedly installed at one end of the horizontal plate, and a slide rail is formed on the horizontal plate. A lead screw is rotatably arranged within the slide rail, and the end of the motor output shaft is fixedly installed to the end of the lead screw shaft. A movable block is slidably arranged on the slide rail, and the movable block is threadedly connected to the lead screw. A movable rod is rotatably arranged on the movable block, and the top end of the movable rod is rotatably arranged on the bottom edge of the mounting plate. A solar tracking sensor is arranged on the mounting plate. This photovoltaic panel mounting support frame device can deflect the photovoltaic panel according to the sun's position, improving the solar energy absorption effect. The device has a simple overall structure, is easy to operate, and is highly practical.

The application relates to the technical field of laser heterodyne atmospheric remote sensing, and discloses a laser heterodyne atmospheric remote sensing device and method applied to a ship, the device comprising a sun tracking module, a heterodyne light path module, a signal processing module and a computer device, wherein the sun tracking module comprises a sun tracking meter, a photoelectric detector and an optical switch, the heterodyne light path module comprises a laser, an optical attenuator, an optical fiber combiner and a photoelectric detector; the signal processing module comprises a radio frequency amplifier, a radio frequency filter, a power detector, a lock-in amplifier and a data collector. The laser heterodyne atmospheric remote sensing device applied to the ship can reduce the precision requirement of a sun tracking meter for laser heterodyne detection, and realizes spectral detection under the condition that the probability of the alignment precision being within the range of 0.1 degrees is greater than 50%.

The utility model discloses self-adaptive day-by-day solar irrigation equipment for energy-saving agriculture. The self-adaptive day-by-day solar irrigation equipment comprises a solar panel, a tracking bracket, an irrigation system and an intelligent control system, the solar panel is installed on the tracking support, the tracking support achieves day-by-day tracking through the rotating mechanism, the irrigation system comprises a water pump, a water conveying pipe and a spray head, and the intelligent control system comprises a central processing unit, a sensor and an actuator. The central processing unit controls operation of the driving motor and the water pump controller according to feedback signals of the illumination sensor, the temperature sensor and the humidity sensor, and sun-by-sun tracking of the solar panel and accurate control of the irrigation system are achieved. And the wireless communication module realizes communication with a remote monitoring system, so that the intelligent level and the management efficiency of the equipment are improved. According to the invention, the utilization efficiency of solar energy can be maximized, water resource waste is reduced, and the irrigation effect is improved.

The utility model provides a heliostat rotation supporting mechanism, a heliostat rotation speed reducer and a heliostat, and relates to the technical field of heliostats, the heliostat rotation supporting mechanism comprises a mounting base and a rotation shaft, the bottom end of the mounting base is fixed to a heliostat stand column, a mounting cavity extending in the vertical direction is defined in the mounting base, and the rotation shaft is fixed to the mounting base; the rotating shaft is coaxially inserted into the mounting cavity, at least two ball bearings are arranged between the rotating shaft and the mounting cavity so that the rotating shaft can rotate around the axis of the rotating shaft in the mounting cavity, the upper end of the rotating shaft is used for mounting a heliostat, and a thrust bearing is arranged between the bottom end of the rotating shaft and the bottom end of the mounting base. According to the heliostat rotation supporting mechanism, it can be ensured that the rotation shaft is reliably supported in the radial direction and the axial direction, faults are not likely to occur, the problem that overturning rigidity is reduced after long-time operation is avoided, and then the high-precision sun tracking operation requirement of a heliostat is met.

1. The name of this design product: Adjustable bracket drive push rod. 2. Purpose of this design product: used for photovoltaic bracket sun tracking drive push rod. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The present invention discloses a solar simulator for testing the performance of a solar photovoltaic charging system, which belongs to the technical field of optical instrument design, and includes a solar irradiance data acquisition system and an adjustable irradiance solar simulation system. The solar irradiance data acquisition system and the adjustable irradiance solar simulation system are connected to a computer via a single-chip microcomputer and a USB to serial port. The solar irradiance data acquisition system includes a solar collection light tube and a solar tracking light tube, and the adjustable irradiance solar simulator includes a condenser, an optical integrator, and a dimming board. The present invention adopts the above-mentioned solar simulator for testing the performance of a solar photovoltaic charging system, and uses the collected solar irradiance data to control the irradiance output of the solar simulator to achieve simulation of solar irradiance in a real environment, which can greatly reduce the test error, thereby accurately guiding the optimization of the solar photovoltaic charging system.

The invention relates to the technical field of photovoltaic power generation, and particularly discloses roof photovoltaic power generation equipment, which comprises a fixed frame; the adjusting mechanism comprises a storage box, power generation mechanisms, reinforcing plates, a driving shaft, worms and a driver, the storage box is installed on the outer wall of the fixing frame, the multiple power generation mechanisms are installed on the outer wall of the storage box, the multiple reinforcing plates are installed on the outer wall of the storage box, and the driving shaft is installed on the outer wall of the storage box. The multiple reinforcing plates are all installed between the top box wall and the bottom box wall of the storage box. Sunlight is monitored in real time through the sun tracking sensor, the driver is started, then through meshing transmission between the worm and the worm gear, the multiple adjusting shafts drive the multiple photovoltaic power generation panels to rotate, and the positions of the photovoltaic power generation panels can be adjusted according to changes of the sunlight; therefore, the photovoltaic cell panel can uniformly receive sunlight to the maximum extent, so that the photovoltaic power generation efficiency is improved, and the maximum utilization of solar energy resources is realized.

A method for designing and building a photovoltaic solar system and a collector at a predetermined location includes calculating a daily average TMY sunshine value from TMY data for a predetermined direction of the collector, calculating a daily average sunshine loss value from one or more sunshine barriers, calculating a daily average temperature derated sunshine loss value, and calculating a daily average temperature derated sunshine loss value. Calculating a daily average effective sunshine value by subtracting a sun shading loss value and a derating loss value from the TMY sunshine value, determining a minimum energy output requirement of the PV solar system, determining a minimum required PV area of the collector based on the minimum energy output requirement and the daily average effective sunshine value, and building the PV solar system at a predetermined location, wherein the collector is in a predetermined orientation. The collector has at least the minimum desired PV area.

The simple and efficient high solar heating machine of the present invention relates to the field of solar energy medium‑ to high‑temperature and high-efficiency utilization. The simple and efficient high solar heating machine consists of a dual‑axis automatic sun‑tracking machine, back-spraying vacuum tubes, and a grid-plate-type or glasses-frame-type linear focusing condenser which are integrated using a lightweight, low-cost frame structure in which two newly invented motion-to-static converters are used to connect two vacuum tubes to form a rod mechanism and a medium pipeline component that is communicated with the external environment. The present invention provides the motion-to-static converter capable of transforming an external interface of dual-axis sun-tracking high-amplitude motion into an absolutely stationary interface, thereby eliminating all dynamic sealing steps that pose fire hazards. Therefore, the absolute safety of heat conduction oil can be ensured. A light frame is also invented, so that the cost is greatly reduced. The simple and efficient high solar heating machine can be used in the field of solar energy medium‑ to high‑temperature thermal power generation or heat supply, for example, solar energy is used for producing high-temperature and high-pressure steam. The simple and efficient high solar heating machine overcomes the shortcomings of current trough-type or Fresnel-type solar thermal power generation or heat supply, such as high cost, sunlight waste due to single-axis sun tracking, and annual average optical-to-thermal conversion efficiency of less than 42%. The prevent invention has optical-to-thermal conversion efficiency of 80% or above and optical-to-electrical conversion efficiency of 31% or above, and has advantages such as simple structure, low cost, and convenient external heat supply and underground heat storage.

A positioning system for a solar panel (3) for subsequently fixing the solar panel (3) to a stringer (2) fixed to a rotating shaft (1) of a solar tracker, the solar panel (3) being fixed by means of fixing a flange of a frame (3.1) of the solar panel (3) to a flange of the stringer (2.1), the positioning system comprising a positioning element, the positioning element (4) is supported on the rotating shaft (1) in the operating position and can be fixed at the intersection point between the stringer (2) and the rotating shaft (1), the positioning element (4) comprises at least one extension (4.2), and the at least one extension (4.2) is configured to extend from the stringer (2) to the rotating shaft (1) after the solar panel (3) slides on the stringer (2). A positioning stop of the solar panel (3) is established in a predetermined position by an inner corner of the frame (3.1) abutting the extension (4.2).

The present application relates to the field of sun tracking sensing device, the acquisition of sunlight radiation angle needs to pass through indirect calculation or image analysis, resulting in the response delay of light radiation detection system, the high complexity of analysis, and there is cumulative error under dynamic light condition, the present application provides a kind of sun tracking sensing device and method for realizing the dynamic scanning of light radiation amount, the measurement and direct output of light radiation amount and angle are realized by two-axis holder rotation, the maximum value of light radiation amount and the angle value of corresponding light radiation amount of the place to be measured can be obtained by directly using the device of the present application at the place to be measured, direct output light radiation amount and corresponding angle reduce the dependence on continuous light intensity distribution, solve the dynamic response lag of the sun tracking device in the prior art, and the problem that light radiation amount and corresponding angle cannot be directly output, can be widely applied in photovoltaic panel fixed installation process and photovoltaic panel dynamic angle adjusting system.

The invention relates to an attitude control parameter calculation method for a satellite with a large-flexibility solar panel. The attitude control parameter calculation method comprises the following steps: determining a target angle of rotation of a B axis of a two-dimensional solar panel driving mechanism relative to a zero position during sun tracking rotation of the solar panel; calculating a target rotational inertia by using the target angle and the satellite rotational inertia of the B axis of the two-dimensional solar panel driving mechanism at the zero position; and calculating PID control parameters by using the target rotational inertia. According to the attitude control parameter calculation method, for a satellite with a large-flexibility solar panel, self-adaptive calculation is carried out on the inertia change of the satellite when the B axis of the two-dimensional solar panel driving mechanism rotates to obtain the target rotational inertia, then the PID control parameters are calculated according to the target rotational inertia, and the robustness requirement of attitude control can be met.

During the control of an active sun tracking solar system i.e. solar power plant ensuring own solar tracking strategy, control signals created in relation to the daily or intraday schedule of the solar power plant by specifying the power of 15-minute resolution, the current power of the solar power plant, the current values and maximum deviations of the azimuth angles and / or inclination angles of the sun tracking systems and the current Sun position data of the local location. If the current output of the solar power plant exceeds the threshold value of 103% of the current value of the schedule, the electricity production of the solar power plant is controlled in accordance with predetermined control parameters by influencing the azimuth angles and / or inclination angles of the sun tracking system of the solar power plant by the obtained control signals and temporarily disabling the solar power plant's own solar tracking strategy, thereby a control strategy ensuring more accurate schedule keeping is implemented.  The subject of the invention is also a switching arrangement implementing the method.

This invention relates to a solar tracking method and apparatus using distributed light-shielding photosensitive sensors. The solar tracking method includes: dividing a device plate into multiple regions corresponding to the sun's azimuth; arranging photosensitive sensors on each region on the side of the device plate facing away from the sun, with the photosensitive surfaces of each photosensitive sensor being coplanar and equally spaced; monitoring the light intensity values ​​detected by each photosensitive sensor in real time, and determining the maximum and minimum values ​​among the light intensity values; setting a strong light threshold; when the minimum light intensity value is not less than the strong light threshold, determining the sun's azimuth based on the region where the photosensitive sensor corresponding to the maximum value is located; when the minimum light intensity value is less than the strong light threshold, performing light intensity gradient surface fitting based on the positions of each photosensitive sensor and the detected light intensity values, and determining the sun's azimuth based on the light intensity gradient surface; achieving precise solar tracking with coarse-to-fine hierarchical classification, time-division collaborative operation, and lightweight algorithm.

A hydraulic push rod type double-shaft sun tracking system of the present invention comprises a mounting seat, the top of the mounting seat is fixedly provided with a pillar, the top of the pillar is connected with a rotating shaft through a rotation driving assembly, the top of the rotating shaft is fixedly provided with a holder, the inner cavity of the holder is rotatably provided with a first rotating block, and the top of the first rotating block is fixedly connected with a fixing plate. The top of the fixing plate is fixedly connected with a plurality of evenly-distributed connecting plates. According to the invention, the hydraulic pushing assembly can drive the gas generation assembly when pushing the solar cell panel to carry out longitudinal angle adjustment, so that gas can be guided into the inner cavity of the hollow plate, the gas is guided out along the gas outlet hole and is blown to the solar cell panel, and the solar cell panel is blown and cleaned when being adjusted to rotate; therefore, manual cleaning is not needed, the cleaning convenience is improved, and the labor intensity of workers is reduced.

A photovoltaic power generation device disclosed by the present invention comprises at least one power generation unit, a plurality of power generation units are arranged in rows or columns, each power generation unit comprises a base assembly, a moving assembly, a rotating assembly and a photovoltaic assembly, and the moving assembly can linearly move on the base assembly; the rotating assembly is arranged on the moving assembly and moves along with the moving assembly, and the rotating assembly can rotate relative to the moving assembly; the photovoltaic assembly comprises a mounting frame, energy storage photovoltaic panels and power generation photovoltaic panels, the mounting frame is fixedly connected with the rotating assembly, the energy storage photovoltaic panels are arranged on the upper portion of the mounting frame, the two power generation photovoltaic panels are arranged on the two sides of the lower portion of the mounting frame respectively, and sunlight receiving faces of the two power generation photovoltaic panels are located in different planes to receive different sunlight radiation quantities; and the driving current is respectively connected in series with the electric parts of the moving assembly and the rotating assembly so as to drive the moving assembly to move to realize automatic shade avoidance and drive the rotating assembly to rotate to realize sun tracking.