88 results about "Follow-the-sun" patented technology

The invention belongs to the technical field of photovoltaic panel frames, and particularly relates to a photovoltaic panel frame with an automatic light-chasing structure, which comprises a bottom plate and a connecting ring plate, the upper side of the bottom plate is movably connected with the connecting ring plate through a bearing, a support plate I is fixed on the upper side of the connecting ring plate, and the lower side of the support plate I is fixed with one end of a bracket. According to the photovoltaic panel frame with the automatic light-chasing structure, the driving motor is started, the sleeve can move downwards along the screw rod, the photovoltaic panel body can adjust the sunlight irradiation receiving angle along with the east rise of the sun, when the sleeve continuously moves downwards, the sunlight irradiation receiving direction of the photovoltaic panel body is adjusted, when the sun falls in the west, the screw rod rotates reversely, and the sunlight irradiation receiving angle of the photovoltaic panel body is adjusted. The photovoltaic panel main body can adjust the sunlight irradiation receiving angle along with the sun, so that the angle and direction of the photovoltaic panel frame can be adjusted according to the rising and falling of the sun, the power generation efficiency is improved, and higher energy output is realized.

The present invention discloses a smart agricultural pest monitoring and early warning device, which relates to the technical field of smart agriculture, and comprises a base and a top cover, wherein a mounting groove is provided on the top of the base, an entrance groove is provided on the top of the base, an auxiliary device is arranged inside the top cover, an induction device is arranged above the base, and a collecting device is arranged inside the base; through the arrangement of the auxiliary device, the rotation of the solar panel can follow the movement of the sun and always maintain the best illumination angle, so as to maximize the energy collection efficiency of the solar panel, so that the solar panel can receive the maximum solar energy in different time periods during the day, and the fan can evenly distribute the induction liquid within the range of the induction device, so as to ensure that the liquid can cover a wider area, increase the probability of the pests contacting the induction liquid, and take pictures of the pests by a camera to collect the information of the pests, so as to prescribe the right medicine for the case.

The invention relates to the technical field of photovoltaic devices, and discloses a solar photovoltaic device following an illumination angle, which comprises a support column, the top of the support column is rotatably connected with a rotating table, the inner wall of the rotating table is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear I, the inner wall of the rotating table is rotatably connected with a rotating rod, and the rotating rod is fixedly connected with a gear II. The rotating angle of the photovoltaic panel can be adjusted, the photovoltaic panel can rotate along with the perpendicular angle of sunlight to the maximum extent by adjusting the photovoltaic panel, sunlight can be received to the maximum extent, sunlight absorption of the photovoltaic panel is improved, and then the power generation efficiency can be improved; and meanwhile, the insertion rods can be inserted into the soil during installation, so that the insertion rods are inserted into the soil and are tightly combined with the soil, stable supporting can be provided for the supporting columns, and shaking, inclination or collapse caused by external force is avoided.

The invention relates to the technical field of photovoltaic curtain walls, in particular to an energy-saving building photovoltaic curtain wall convenient to adjust. The outer wall of the glass is fixedly connected with the outer wall of the fixed frame; the outer wall of the photovoltaic panel is fixedly connected with the inner wall of the fixed frame; the outer wall of the filter plate is fixedly connected with the outer wall of the fixed frame; according to the invention, through the arrangement of the adjusting device and the movement of the fixed rod, the rotating frame rotates on the fixed rod, and the fixed frame rotates by taking a fixed block at the upper end as a fulcrum, so that the irradiation angle of the photovoltaic panel in the fixed frame is adjusted; and the rotating frames at the upper end and the lower end rotate at the same time, so that the distance between the fixed frame and the mounting frame is adjusted, the photovoltaic panel rotates along with the irradiation angle of sunlight, and the utilization rate of light energy is improved.

The invention discloses a photovoltaic tracking system based on solar time continuous driving and a control method. The system comprises a sun time calculation unit, an angle feedback unit, a control unit, a brushless motor driving unit and an execution mechanism. The sun time calculation unit is used for calculating the sun position, the angle feedback unit collects the posture of the photovoltaic support, and the control unit generates a control instruction according to deviation. The brushless motor driving unit adopts FOC and SVPWM algorithms under closed-loop control, so that the motor realizes ultra-low-speed continuous operation in a range of 0.1-10 rpm, and still keeps operation when the deviation is smaller than a threshold value, thereby avoiding angle dead zone and cosine loss caused by intermittent start and stop. The actuating mechanism is driven to adjust the posture of the photovoltaic support, so that the photovoltaic support continuously follows the sun around the clock. According to the scheme, the tracking precision and the energy utilization rate are improved, and the method is suitable for single-axis and double-axis photovoltaic tracking scenes.

The utility model relates to the technical field of solar projection lamps, in particular to an angle-adjustable assembled solar projection lamp. The utility model provides an angle-adjustable assembled solar projection lamp which can control the irradiation angle of a solar panel following sunlight, improve the photovoltaic power generation efficiency and prolong the endurance of the projection lamp. An angle-adjustable splicing type solar project lamp comprises a motor, a second fixing frame, second guide sliding rails, fixing pieces, a fixing clamping frame and the like, the second fixing frame is connected to an output shaft of the motor, the second guide sliding rails are connected to the upper sides of the front portion and the rear portion of the second fixing frame, and the fixing pieces are connected to the upper sides of the left portion and the right portion of the second guide sliding rails. The fixing pieces on the right portion are connected with fixing clamping frames. The output shaft of the motor rotates to drive the second fixing frame and the second guide sliding rail to rotate, and the effects of controlling the solar panel to follow the sunlight irradiation angle, improving the photovoltaic power generation efficiency and prolonging the endurance of the projection lamp can be achieved.

Solar installation with at least one stand and at least one solar panel pivotably attached to it, which is designed to be pivoted so that its orientation follows the path of the sun, wherein different sections of the at least one solar panel fall below a minimum distance to the ground surrounding the stand in different pivoting positions, comprising a movable fence installation designed to protect the areas of the ground from livestock where the minimum distance is not maintained and at the same time to allow other areas of the ground to be used by livestock where the minimum distance is not maintained in a different pivoting position.

The present invention provides a solar intelligent window opener, belonging to the field of solar ventilation technology, including a window frame, a frame, a driving assembly and a supporting assembly, wherein the top of the frame is hingedly connected to the inner top wall of the window frame, a solar panel is arranged on the inner side of the frame, the supporting assembly and the power supply are installed on the inner wall of the window frame, and the driving assembly is arranged on one side of the supporting assembly. Compared with the prior art, in the embodiment of the present invention, after the frame drives the solar panel on the inner side thereof to rotate to the outer side of the window frame, the frame and the solar panel on the inner side thereof can also be driven by the driving assembly to rotate following the sunlight, so that the solar panel can always face the sunlight as the position of the sunlight changes, thereby increasing the light receiving area of ​​the solar panel, and improving the power generation effect and efficiency.

The utility model relates to the technical field of multifunctional automatic opening and closing sunshade umbrellas, and discloses a multifunctional automatic opening and closing sunshade umbrella which comprises a sunshade umbrella body and a base, a fixing rod is fixedly installed at the top of the base, and adjusting assemblies are arranged below the sunshade umbrella body and above the fixing rod. The adjusting assembly comprises a holding rod and a driven fluted disc, the holding rod is connected with a rotating rod through a connecting column, the outer wall of the fixing rod is fixedly connected with a C-shaped plate, through the arranged adjusting assembly, a user manually rotates the holding rod, the connecting column rotates synchronously, the angle of the sunshade body is easily adjusted, the sunshade requirements of different time periods are met, ultraviolet rays are blocked, and the sunshade effect is good. After the angle is adjusted, the first motor is started, the driving fluted disc is driven to rotate, the driven fluted disc is driven to rotate, the orientation of the sunshade body is accurately adjusted, the sunshade follows the sun, the sunshade cover is perpendicular to the incident direction of the sunlight, and it is ensured that a user is located in the optimal sunshade area.

The utility model discloses an informationized intelligent bus station, and relates to the technical field of bus station intelligent setup, the informationized intelligent bus station comprises a water accumulation tank and a supporting mechanism, the supporting mechanism is arranged in the water accumulation tank, the supporting mechanism comprises a supporting plate fixedly connected to the top position of the water accumulation tank, the interior of the supporting plate is rotatably connected with a rotating bolt, and the rotating bolt is fixedly connected with the water accumulation tank. A telescopic rod is rotatably connected to the exterior of the rotating bolt, a fixing block is arranged on one side of the telescopic rod, a lifting rod is fixedly connected to the top of the fixing block, the supporting mechanism can drive the solar panel to rotate along with the moving angle of the sun, the telescopic rod is connected with the supporting plate through the rotating bolt, and the fixing block and the supporting plate are located on the same horizontal line. The telescopic rod, the lifting rod and the water accumulation tank top plate form a triangular support. Compared with an existing common informatization intelligent bus station, the informatization intelligent bus station has the advantages that the recharging system is additionally arranged, when the bus balance is insufficient, the passengers do not need to go to a designated place for recharging, and convenience is provided for the passengers.

The utility model relates to the field of street lamps, and discloses an LED lighting street lamp with an automatic light adjusting function, which comprises a main body assembly and an improved assembly, wherein the main body assembly comprises a lamp post with a built-in controller and a storage battery, the top end of the lamp post is connected with a mounting box, the side surface of the mounting box is connected with a lamp holder, the top end is connected with a supporting rod, and the top end of the supporting rod is connected with a solar panel; a bearing seat is mounted at the bottom end in the mounting box; the improved assembly comprises a through hole formed in the top end of the mounting box, and the diameter of the through hole is slightly larger than that of the supporting rod. In addition, on one hand, a rotating mechanism used for driving the supporting rod to rotate is arranged in the mounting box; on the other hand, a photosensitive sensor is installed in the lamp holder and used for detecting the light intensity. Under the action of the rotating mechanism, the supporting rod can be driven to rotate, so that the supporting rod drives the solar panel to rotate, the solar panel can rotate along with the sun, and the solar panel always faces the sun.

The invention discloses a phototropic intelligent light following method and system and application in an artificial flower, and relates to the technical field of intelligent light following, and the method comprises the steps: capturing a plurality of light sources in a scene, carrying out the feature collection and processing, and determining a sunlight source; the method comprises the following steps: capturing a movement track of sunlight and surrounding object images, acquiring a wind speed, recording data, and constructing a first surrounding environment total shadow prediction model, a second surrounding environment total shadow prediction model and a cloudless sun illumination change rate prediction model; and correcting the light following path based on the cloudless sun illumination change rate prediction model, the first surrounding environment total shadow prediction model, the second surrounding environment total shadow prediction model and light source features acquired in real time. According to the invention, the light source information is collected and analyzed, so that the photovoltaic panel can only follow the sun moving track to carry out light following motion, and meanwhile, the angle and height of the photovoltaic panel are adaptively adjusted through analysis and judgment of the shielding area, so that the photoelectric conversion efficiency of the photovoltaic panel is improved.

The invention relates to the technical field of robots, in particular to a photovoltaic operation and maintenance robot which comprises a mobile electric vehicle, parallel rotating structures are symmetrically connected to the side wall of the mobile electric vehicle, adjustable cleaning structures are connected to the parallel rotating structures, an anti-skid structure is connected to the back face of the mobile electric vehicle, and a water storage tank is arranged on the mobile electric vehicle. According to the photovoltaic operation and maintenance robot, the adjustable cleaning structure is arranged in the photovoltaic operation and maintenance robot, so that a driving motor in the adjustable cleaning structure is utilized to adjust the distance between two groups of electric cleaning rollers through a transmission structure, and the distance between the two groups of electric cleaning rollers can be adjusted according to use requirements; and the distance between the two sets of electric cleaning rollers can be adjusted according to the width of the solar panel, then the surface cleaning efficiency of the solar panel is improved, and therefore the problem that the distance between the electric cleaning rollers cannot be adjusted is solved.

This invention provides a solar thermal heating device, belonging to the field of solar energy utilization technology. It includes a support plate, a reflective mirror, a water supply pipe, a bracket plate, a shading component, a driving component, and a movable limiting component. Two sets of bracket plates are provided, arranged opposite to each other. The water supply pipe passes through both sets of bracket plates and is fixedly connected to them. The support plate is located outside the water supply pipe and rotatably engages with it. The reflective mirror is installed on the side of the support plate facing the water supply pipe. Compared to existing technologies, this invention enables automatic adjustment of the reflective mirror angle, allowing it to move with the sun, thereby improving solar thermal utilization efficiency. Furthermore, it automatically shades the reflective mirror at sunset, preventing dust, dew, and other foreign objects from falling onto its surface at night and affecting its subsequent performance.

The utility model discloses a water level monitoring device for hydrological engineering, which relates to the technical field of hydrological engineering and comprises a fixing seat, a supporting rod arranged at the top end of the fixing seat, an adjusting component sleeved on the outer wall of the top circumference of the supporting rod, a solar panel arranged at the top of the adjusting component, and a fixing component sleeved on the outer wall of the middle circumference of the supporting rod. A fixing plate is arranged on one side of the fixing assembly, a radar water level gauge is connected to the bottom of one side of the fixing plate, a distribution box is arranged at the bottom of the other side of the supporting rod, and a pressing groove matched with the fixing assembly is formed in the other side of the supporting rod. The water level monitoring device for the hydrological engineering is reasonable and reliable in structure and easy to operate, the solar panel can adjust the direction along with the movement of the sun under the action of the adjusting assembly, the lighting efficiency of the solar panel is improved to the maximum extent, continuous power supply is ensured, and therefore the working efficiency of the water level monitoring device for the hydrological engineering is improved.

The utility model provides an automatic alignment device of a sunlight tracking type solar cell panel, which comprises an optical sensor device and a shielding cover, the shielding cover is arranged above the optical sensor device and is fixedly connected with the optical sensor device, and the optical sensor device comprises a bottom plate and a photodiode array arranged on the bottom plate. The shielding cover is parallel to the bottom plate and is fixedly connected with the bottom plate, the shielding cover is provided with a central hole, and the central hole limits irradiation of sunlight to a photodiode array of the optical sensor device. The sunlight tracking type solar cell panel provided by the utility model can follow the angle change of sunlight in real time through the automatic alignment device and the circuit system, and always keep an optimal illumination receiving state.

The utility model discloses a photovoltaic power generation support convenient to adjust an inclination angle. The photovoltaic power generation support comprises a support used for bearing and limiting, a supporting plate rotatably connected with the inner side of the upper end of the support, and telescopic plates symmetrically arranged on the front side and the rear side of the upper end of the supporting plate. An adjustable telescopic structure is arranged on the inner side of the supporting plate and the inner side of the telescopic plate. The adjustable telescopic structure comprises a double-end motor, an adjusting rod, a connecting plate, a movable block and a limiting plate. An inclination angle adjusting structure is arranged on the rear side of the lower end of the supporting plate. The inclination angle adjusting structure comprises a gear, a rack, a fixing strip and an electric telescopic rod. And a bird repelling structure is arranged at the outer upper end of the telescopic plate. According to the photovoltaic power generation support with the inclination angle convenient to adjust, different photovoltaic power generation panels can be conveniently and rapidly clamped and fixed, the inclination angle of the photovoltaic power generation panels can be conveniently adjusted along with the sun, bird repelling can be conveniently conducted on the photovoltaic power generation panels, shielding is avoided, and the photoelectric conversion efficiency is improved.

The utility model belongs to the technical field of photovoltaic panel power generation, and discloses a photovoltaic panel steering adjusting device for a photovoltaic power station, which comprises a rotating base, a groove is arranged at the top end of the rotating base, a rotating table is rotatably arranged in the groove, a connecting block is fixedly connected to the central part of the bottom end of the rotating table, and a rotating shaft is fixedly connected to the bottom end of the connecting block. According to the device, through cooperative use of a groove, a connecting block, a pulley and a rotating shaft, a rotating table can conveniently rotate on a rotating base to drive a photovoltaic panel on a mounting bracket to rotate, through combined use of a first gear, a second gear and a rotating motor, power can be provided for rotation of the rotating table, and the rotating table can rotate conveniently; and by arranging an infrared sensor, the sun can be detected in real time to control driving of a rotating motor, the whole device can be conveniently rotated and adjusted, it is guaranteed that a photovoltaic panel can move along with the sun position, and the sunlight absorption efficiency of the photovoltaic panel is greatly improved.

This invention discloses a flexible photovoltaic (PV) support structure, comprising: a main frame, a support assembly, multiple connecting assemblies, multiple PV panels, and a drive assembly. The main frame includes two end columns, a first steel strand, and a second steel strand. The two ends of the first steel strand are connected to the two end columns, and the two ends of the second steel strand are movably connected to the two end columns. The support assembly includes multiple X-shaped support frames. The connecting assembly includes a central connector and end connectors. The intersection of the X-shaped support frames is connected to the first steel strand via the central connector, and the lower end of the X-shaped support frame is connected to the second steel strand via the end connectors. The PV panels are connected to the X-shaped support frames, and the drive assembly is connected to the second steel strand. The drive assembly moves the second steel strand to adjust the tilt angle of the PV panels, allowing them to deflect according to the movement of the sun, thereby improving overall power generation and the adjustment efficiency of the PV panels.

The invention discloses a working method of a dynamic photovoltaic sunshade and vertical agriculture combined productive building facade, which comprises the following steps: step 1, a photovoltaic panel is driven by a second rotating unit to rotate at 150 degrees on a horizontal plane, and the photovoltaic panel is driven by a first rotating unit to rotate at 150 degrees on a vertical plane, so that the photovoltaic panel moves along the moving direction of the sun; 2, maximizing the energy extraction efficiency of the photovoltaic panel through a solar controller, and storing the electric energy extracted by the photovoltaic panel through a lithium battery pack to provide the electric energy for the work of the productive building facade; and 3, the sliding block controller is manually controlled to enable the box body to vertically move along the sliding rail track, and when the box body moves to a preset position, the box body is fixed through a locking device. The productive building facade comprises two independent dynamic photovoltaic sun-shading systems and an outer wall vertical agricultural system, and in the working state, the angle of a photovoltaic panel is adjusted through an angle adjusting mechanism so as to meet the requirements of different environmental conditions or scenes.

The invention discloses a light photovoltaic module positioning device, and belongs to the technical field of photovoltaic module installation, the light photovoltaic module positioning device comprises an integral protection shell and two installation bottom rods, and the bottom between the two installation bottom rods is fixedly connected with an I-shaped connecting plate; the top of each mounting bottom rod is fixedly connected with a U-shaped sleeve shell mechanism, each U-shaped sleeve shell mechanism is provided with a front end adjusting mechanism and a rear end adjusting mechanism, a limiting round rod is fixedly connected between the tops of the two rear end adjusting mechanisms, and a photovoltaic module is arranged between the two U-shaped sleeve shell mechanisms and the limiting round rod. And a folding and unfolding adjusting mechanism is mounted in the center of the top of the I-shaped connecting plate. The overall protection shell, the front-end adjusting mechanism, the rear-end adjusting mechanism and the folding and unfolding adjusting mechanism are designed, the inclination angle can be adjusted along with the sun angle in different seasons, and meanwhile folding protection can be conducted in severe weather such as typhoon.

The invention discloses a solar azimuth continuous tracking device and method based on an electronic compass, the solar azimuth continuous tracking device comprises a solar panel, a controller and a motor, the input end of the controller is connected with the electronic compass and a GPS, and the output end of the controller is connected with the motor; the controller obtains the electronic perpetual calendar, calculates the position of the sun corresponding to each specific time, and drives the solar panel to change the direction along with the movement of the sun illumination through the motor. According to the solar azimuth continuous tracking device and method based on the electronic compass, the sun position corresponding to each specific time is calculated through the controller, and then the whole device is controlled to be adjusted to a proper position angle, so that the panel of the solar panel can vertically face the sunlight direction; therefore, the direction of the solar panel is changed along with the movement of sunlight, the optimal irradiation angle of sunlight is kept, and the absorptivity of sunlight energy is improved.

The embodiment of the invention provides a double-shaft tilting solar light condensation device, and relates to the technical field of solar light condensation and heat collection. The embodiment of the invention provides a double-shaft tilting solar condensation device. The double-shaft tilting solar condensation device comprises a base; the reflecting mirror is arranged on the base and is used for reflecting solar rays; the double-shaft tilting assembly is arranged on the base and connected with the reflecting mirror, and the double-shaft tilting assembly is configured to drive the reflecting mirror to rotate in the east-west direction and / or the south-north direction; and the heat collecting pipe is positioned on the condensation axis of the reflecting mirror so as to absorb the solar rays reflected by the reflecting mirror. The double-shaft tilting assembly is controlled to drive the reflector to realize double-shaft rotation according to the change of the solar elevation angle, so that the reflector can tilt along with the change of the solar elevation angle, the incident angle of solar rays is increased, and the light gathering efficiency of the reflector is further improved; and the annual solar irradiation amount received by the double-shaft tilting solar concentrating device is improved.

The application discloses a photovoltaic module mounting support and a roof photovoltaic system, which comprises a plurality of support frames and photovoltaic panels, and an adjusting assembly arranged between the support frames and the photovoltaic panels is controlled by a control system, wherein the control system comprises a temperature detection module, an illumination monitoring module and an alarm unit; the alarm unit comprises an alarm. The adjusting assembly comprises a rotary adjusting frame and an angle adjusting slide rail, both of which are coaxially arranged and rotatably installed on the support frame; a frame is hingedly connected to the rotary adjusting frame, and a photovoltaic panel is arranged on the frame; an angle adjusting slide block is slidingly arranged on the angle adjusting slide rail, and the frame is hingedly connected to the angle adjusting slide block through an angle adjusting rod. Through the above technical scheme, the rotary adjustment in two directions can be achieved, the rotary adjusting frame and the angle adjusting slide rail can follow the sun position from early to late, and the angle of the frame can be adjusted to adapt to the height of the sun, so that the power generation efficiency is improved.

The present invention provides a distributed natural environment light aging accelerated test device, including: a sample is fixed on a sample mounting seat, a solar tracking reflector assembly is arranged on the side of the sample, and a control system is used to monitor and control temperature data and irradiation data, and a tracking device for controlling the solar tracking reflector assembly to always rotate with the sun's azimuth, and to control the reflector of each solar tracking reflector assembly to adjust to the solar altitude angle, with the sample as the center, a plurality of mutually independent solar tracking reflector assemblies together constitute a fan-shaped reflection area or a circular reflection area, and the reflectors of all solar tracking reflector assemblies can reflect ultraviolet light onto the sample. The present invention can not only realize the efficient enhancement of the solar radiation light effect, can effectively prevent the sample from being damaged by overstress, but also can accurately and quickly expand the acceleration ratio, and can also realize the light aging test of constant radiation intensity.

This control method for a power supply system is a method for controlling a power supply system (1) that uses power from a solar cell (13) to charge a first power storage device (3) connected to the solar cell (13) and charges a second power storage device (5) by using converted power obtained by converting the power of the first power storage device (3). In this control method for the power supply system (1), a generated power value (Pn) of the solar cell (13) and a terminal voltage value (Vn) of the first power storage device (3) are acquired. Limit values (VUL, VLL) of an allowable variation range of the terminal voltage value (Vn) of the first power storage device (3) are determined on the basis of the acquired generated power value (Pn) and terminal voltage value (Vn). The limit values (VUL, VLL) are values for causing the allowable variation range of the terminal voltage value (Vn) due to charging and discharging of the first power storage device (3) to follow a maximum power point voltage (VMPP_n) of the solar cell (13).

The application discloses an intelligent control system of a self-adaptive photovoltaic tracking support, which comprises a net rack, four supports are fixedly installed at the bottom of the net rack, an installation sleeve is fixedly and obliquely penetrated through the center of the net rack, an installation pipe is fixedly connected in the installation sleeve through bolts, an adjusting mechanism for installing a double-sided photovoltaic panel is assembled in the installation pipe, a cleaning mechanism for cleaning the surface of the photovoltaic panel is assembled on the net rack, the adjusting mechanism comprises a shaft rod penetrating in the installation pipe and a stepping motor fixedly installed at the bottom of the installation pipe, and the stepping motor is used for driving the installation pipe to rotate. The application can dynamically adjust the light-receiving posture following the sun track, adapt to the power generation demand of the double-sided photovoltaic panel, maximize the light energy utilization rate and the photovoltaic power generation efficiency, replace the traditional manual cleaning mode, avoid the high-altitude operation risk, and greatly reduce the operation and maintenance cost of the photovoltaic power station.

The invention relates to the technical field of solar devices, in particular to a photovoltaic panel bearing device for photovoltaic energy storage, which comprises a bottom plate, the bottom plate is fixedly mounted at an external use site, a rotating assembly is mounted in the middle of the upper end of the bottom plate, a lifting assembly is mounted in the middle of the upper end of the rotating assembly, and a rotating seat is rotatably mounted at the upper end of the lifting assembly. A placement plate is fixedly mounted at the upper end of the rotating seat, a T-shaped sliding groove is formed in the upper end of the placement plate, a supporting assembly is mounted in the T-shaped sliding groove, fixing assemblies are mounted on the two sides of the placement plate, and photovoltaic panels of different sizes can be fixed to the placement plate by changing the positions of the fixing assemblies and the supporting assembly, so that the photovoltaic panels of different sizes can be borne; and meanwhile, the rotating assembly can drive the photovoltaic panel to rotate, so that the photovoltaic panel can rotate along with the sun, the rotating base can rotate, the angle of the photovoltaic panel can be adjusted, and the solar energy utilization rate is improved.

The invention discloses a photo-thermal driven double-shaft solar panel tracking device, belongs to the technical field of solar energy utilization equipment, and aims to solve the problem that a plate surface and sunlight are difficult to keep vertical or have an optimal receiving angle due to the fact that an existing fixedly mounted solar panel cannot be adjusted in real time along with the change of the position of the sun. A mechanical structure is driven by utilizing the thermal expansion and cold contraction characteristics of inert gas, extra electric power or a complex control system is not needed, the equipment operation cost is reduced, the green and energy-saving concept is met, the solar panel body is always kept perpendicular to sunlight or the optimal receiving angle is kept through real-time adjustment of the azimuth angle and the elevation angle, and the energy-saving effect is achieved. Light energy loss caused by inclined incidence is reduced, the utilization rate of light energy is improved, the adjusting assembly achieves high-precision angle control through multi-stage meshing transmission of a first gear, a second gear, a double-face gear ring and the like, and the sun angle adjusting device adapts to sun angle changes in different seasons and geographic positions.

A tracking system is provided for solar panels, which are controlled by a pre-programmed microcontroller that sends movement control to a stepper motor. The motor has a shaft that transmits the movement to another concentric panel shaft, which is attached to a first solar panel. Its tracking function begins at 6:00 AM at an angle of 90° with respect to the horizontal, and changes 15° every hour. By noon, the panel is parallel to the horizontal, and by 6:00 PM it has traveled 180° from its starting point. This same rotational movement is used by an autonomous cleaning system consisting of a pair of guide profiles located on the sides of the panels. These guide profiles support screws with spherical heads, which have tangential contact between the screw head and the profile. This contact allows the system to clean the panels as they move to follow the sun.The cleaning system moves due to gravity, performing a transverse movement which is transferred by means of cleaning shafts attached to cylindrical head screws. These shafts, in turn, support soft bristle brushes that clean the panels, removing dust and dirt collected on them. To transmit the tracking movement to all the solar panels, a gear is installed on the motor shaft of the first panel. This gear transmits the movement to a second panel via a toothed belt. The movement and position of the first panel is replicated in a second panel configured in the same way as the first, and so on for all the panels that need to be installed. Finally, the seasonal orientation movement is achieved by means of a manual movement plate that is adjusted depending on the season; this adjustment is only made once a month.