Wind-driven photovoltaic panel full-automatic windproof device

Abstract

The invention discloses a wind-driven photovoltaic panel full-automatic windproof device which comprises a supporting seat and a transmission shaft, the middle of the supporting seat is vertically and rotatably connected with the transmission shaft, two cross beams are horizontally arranged on the side faces of the two ends of the supporting seat, two stand columns are arranged on the top face upwards, and a top cross beam is fixedly connected to the top between the two stand columns. The two ends of the transmission shaft are rotationally connected to the supporting base and the top beam respectively, each stand column is sleeved with a reset spring, the top end of each reset spring is provided with a movable lantern ring hinged to the top end of the corresponding large photovoltaic panel, the bottom end of each large photovoltaic panel is hinged to the top end of the corresponding small photovoltaic panel, and the bottom end of each small photovoltaic panel is hinged to the end of the beam. The transmission shaft is movably sleeved with a sliding nut, and the top end of the sliding nut extends out of the top cross beam and then is fixedly connected with a wind-driven rod rotating device. The wind-driven rotating rod device is driven by wind power to drive the transmission shaft to rotate, so that the sliding nut moves downwards along the transmission shaft, the large photovoltaic panel is driven to rotate around each hinge point through hinge linkage and tends to be in a lying posture, and the wind-resistant function is achieved.

Description

Technical Field

[0001] This invention belongs to the field of photovoltaic power generation equipment technology, specifically relating to a wind-driven fully automatic windproof device for photovoltaic panels. Background Technology

[0002] Existing photovoltaic panels are usually installed at an angle to better absorb solar energy. However, this installation method is often damaged by strong winds in extreme weather, especially in open areas such as deserts and Gobi, which can damage the components or even blow them away.

[0003] Currently, the main wind protection methods used in photovoltaic power plants are to prevent strong winds from damaging photovoltaic modules by improving material structure, dynamic retraction, or manual intervention. Among these methods, relying on additive manufacturing, thickening ground piles, or adding cables to "harden" against wind loads is not only costly and wasteful of resources when there is no wind, but also may still cause damage if the wind force exceeds the limit, and does not fundamentally change the problem of the large windward surface of the photovoltaic panels. Electric drive to retract photovoltaic panels relies on electronic control systems, and electronic components are easily affected by sand, dust, temperature and humidity in deserts and may fail. There is also a risk of power outages and malfunctions, resulting in high power consumption and maintenance costs, and a delay in response to strong winds. Manual intervention solutions have poor real-time performance, are difficult to deal with sudden storms, and have high operating costs and safety risks in remote sites.

[0004] It can be seen that for wind protection methods of photovoltaic panels in areas with strong winds, especially in open areas such as deserts and Gobi, existing technologies are either costly and have limited protection, or have complex electrical control and insufficient reliability. Neither can achieve low-cost, highly reliable, adaptive instantaneous wind protection without external energy. This is a technical bottleneck that urgently needs to be solved. Summary of the Invention

[0005] The purpose of this invention is to provide a wind-driven, fully automatic windproof device for photovoltaic panels, which solves the problems of high cost, limited protection, complex electrical control, and insufficient reliability of existing technologies for windproof protection of photovoltaic panels.

[0006] To achieve the objectives of this invention, the technical solution adopted is a wind-driven, fully automatic windproof device for photovoltaic panels, comprising a strip-shaped support base and a drive shaft. Two horizontally symmetrical crossbeams are arranged on the same side at both ends of the support base, and two vertical columns are arranged on the top surface of both ends. The top ends of the two columns are fixedly connected to the top crossbeam. Each column is fitted with a return spring, the bottom end of which abuts against the support base, and the top end abuts against a circular ring. Two circular rings are movably fitted onto the two columns, and the two circular rings are hinged to the top of a large photovoltaic panel on the same side via hinges. The large photovoltaic panel is tilted downwards and its lower end is hinged to the top of the small photovoltaic panel. The bottom end of the small photovoltaic panel is hinged to the end of the crossbeam away from the connecting support. The upper and lower ends of the drive shaft are respectively rotatably connected to the middle of the top crossbeam and the middle of the support, and the top end extends out of the crossbeam and is fixedly connected to a wind-driven rotating rod. A sliding nut is movably sleeved on the drive shaft. One side of the sliding nut is hinged to the top of the large photovoltaic panel. The wind-driven rotating rod drives the drive shaft to rotate. The rotation of the drive shaft causes the sliding nut to move downwards along the drive shaft, thereby driving the large photovoltaic panel to rotate around each hinge point and tend to lie flat.

[0007] Furthermore, the aforementioned wind-driven fully automatic windproof device for photovoltaic panels also includes a wind-driven stabilizing mechanism. The wind-driven stabilizing mechanism includes a housing with a box-like structure, open at the front and rear ends. An adjustable damper is hinged to the front end of the housing, and a vertical grid ventilation structure is provided at the rear end. A wind-direction adaptive stabilizing wing is installed in the middle of the top of the housing. The wind-direction adaptive stabilizing wing is a right-angled triangle, and one of its right-angled sides is fixedly connected to the top of the housing. It is installed along the front-rear direction of the housing. The wind-driven rotating rod is located in the middle of the inner cavity of the housing. The top of the drive shaft passes through the bottom of the housing and is rotatably connected to it. Airflow is introduced through the adjustable damper and discharged through the vertical grid ventilation structure to form a directional channel, which acts on the wind cup assembly to generate driving force, driving the rotating rod and the drive shaft to rotate.

[0008] Furthermore, the aforementioned wind-driven rotary lever assembly includes multiple rotating rods that are uniformly and fixedly connected circumferentially to the drive shaft, and a wind cup assembly that is fixedly connected to the free end of each rotating rod.

[0009] Furthermore, the aforementioned housing is connected to the drive shaft via ball bearings, and the drive shaft is connected to the top crossbeam and support base via tapered roller bearings.

[0010] Furthermore, the sliding nut is internally provided with a helical protrusion with a semi-circular cross-section. The side wall of the drive shaft is provided with several conical pin holes arranged along the axial direction in a right-hand thread pattern. Each pin hole is fitted with a rolling ball, and the rolling ball can protrude from the smallest radius end of the pin hole. The largest radius end of the pin hole is sealed by a sealing component. The inner end of the sealing component exceeds the cross-sectional radius of the drive shaft. When the drive shaft rotates to a set speed, it will move the rolling ball outward from the cylindrical surface of the drive shaft under the action of centrifugal force and protrude from the cylindrical surface. The protruding rolling ball forms a threaded contact trajectory that matches the helical protrusion along the circumference of the drive shaft. The rolling ball with this threaded contact trajectory abuts against the helical protrusion of the sliding nut, driving the sliding nut to move downward along the drive shaft. The outer side of the sliding nut is hinged to the middle of the top of the large photovoltaic panel.

[0011] Furthermore, the aforementioned adjustable damper includes a door panel with a circular bottom structure, the surface of which is marked with wind force scale markings and is treated with corrosion resistance. The top of the door panel is hinged to the housing, and a connecting sleeve is fixedly connected to the upper outer side of the door panel. An adjusting screw passes through the connecting sleeve, and a nut is connected to the upper end of the adjusting screw. The nut rests on the top surface of the connecting sleeve, and a cuboid counterweight is spirally connected to the lower part of the adjusting screw. The counterweight has two pressure points on its inner side that abut against the door panel.

[0012] Furthermore, a limiting block is provided on the side of the small photovoltaic panel facing the large photovoltaic panel, and the limiting block can fit into the outer surface of the large photovoltaic panel.

[0013] Compared with the prior art, the beneficial effects of the present invention are that it adopts a fully mechanical adaptive design. When encountering wind resistance, the wind-driven wind-driven rotary lever drives the transmission shaft to rotate, causing the sliding nut to move downward along the transmission shaft. Through the hinge linkage, the large photovoltaic panel rotates around each hinge point and tends to lie flat, thus achieving wind resistance. When the wind speed decreases, the return spring releases elastic potential energy, causing the large photovoltaic panel to rotate in the opposite direction and rise up until the large photovoltaic panel and the small photovoltaic panel are parallel. At this point, the limit block abuts against the large photovoltaic panel to form a dead point positioning, restricting the large photovoltaic panel from continuing to move and keeping it in a fixed posture to ensure maximum power generation efficiency.

[0014] Specifically, the wind-driven stabilization system adopts a wind-adaptive stabilizing wing based on the wind vane principle, which is linked with the shell. It forms a directional airflow channel with an adjustable wind force self-opening air door at the front end and a vertical grid ventilation structure at the rear end. The wind energy is directly converted into mechanical power through the wind-driven rotary arm, ensuring accurate control of wind direction and wind force and stable power output. The damper adopts a hinged and circular bottom structure to avoid jamming. It uses a rectangular two-point pressing counterweight structure with bolt adjustment, combined with wind force scale markings and corrosion-resistant treatment. The damper opening torque can be precisely adjusted through pure mechanical operation, making it suitable for different wind conditions and harsh desert environments. The drive shaft sidewall is regularly arranged with pin holes containing rolling balls. The balls are driven to extend by centrifugal force and are distributed in a threaded pattern. They form a screw-like transmission with the sliding nut with a semi-circular cross-section thread, realizing the efficient conversion of rotary motion into axial linear motion. The point contact friction is small and the operation is smooth. The housing and drive shaft use radial ball bearings to bear radial force, and the drive shaft and frame are supported at both ends by two tapered roller bearings, which builds a multi-level force system to balance the composite load and ensure the stable and reliable operation of the system. The entire system of this invention adopts a fully mechanical, fully automatic, collaborative closed-loop design. Each component has no electronic control unit. It first senses the wind conditions, then transmits wind energy according to the pre-adjusted wind force trigger value, then adjusts the posture of the photovoltaic panel, and finally achieves automatic tilting and wind protection and automatic return to position. It achieves adaptive adjustment, taking into account the adaptability to harsh environments, the reliability of fully automatic operation, and low maintenance costs. It has high reliability and strong practicality, and effectively solves the problems of high cost, limited protection, complex electrical control, and insufficient reliability of existing technologies for photovoltaic panel wind protection. Attached Figure Description

[0015] Figure 1 is a three-dimensional structural diagram of a fully automatic windproof device for photovoltaic panels; Figure 2 Another perspective three-dimensional structural diagram of a fully automatic windproof device for photovoltaic panels; Figure 3 This is a side view cross-sectional structural diagram of a fully automatic windproof device for photovoltaic panels. Figure 4 A front view schematic diagram of a fully automatic windproof device for photovoltaic panels; Figure 5 A side view schematic diagram of a fully automatic windproof device for photovoltaic panels; Figure 6 A side view of the wind-driven stabilization system; Figure 7 A schematic diagram of the rear view structure of the wind-driven stabilization system; Figure 8 A schematic diagram of the structure of the wind-driven rotary lever installed inside the housing; Figure 9 A three-dimensional structural diagram of a wind-driven rotary lever; Figure 10 This is a side view of the adjustable damper structure. Figure 11 A schematic cross-sectional view of the connection point between the drive shaft and the wind-driven rotary lever. Figure 12 is an enlarged structural diagram of the connection between the large photovoltaic panel and the small photovoltaic panel; Figure 13 is a schematic diagram of the connection structure between the drive shaft and the sliding nut; Figure 14 This is a cross-sectional view of a sliding nut. Figure 15 This is a schematic diagram of the wind protection status of the fully automatic windproof device for photovoltaic panels. Detailed Implementation

[0016] The present invention will be further explained and described below with reference to the accompanying drawings to enable those skilled in the art to better understand it.

[0017] Example 1 like Figure 1-15As shown, a wind-driven fully automatic windproof device for photovoltaic panels includes a support base 1 and a drive shaft 2. The support base 1 is strip-shaped, and the drive shaft 2 is vertically rotatably connected to the center of the top surface of the support base 1. Two horizontal beams 101 are symmetrically arranged on the same side at both ends of the support base 1. Two vertical columns 102 are vertically arranged on the top surface of both ends of the support base 1. The top beams 103 are fixedly connected between the top ends of the two columns 102 to help maintain stability. A return spring 3 is sleeved on each column 102. The return spring 3 adopts a double-stiffness series spring (i.e., two return springs with different stiffnesses). (Spring connection), the bottom end of each return spring 3 abuts against the support seat 1, and the top end abuts against the ring 301. The two rings 301 are respectively movably sleeved on the two columns 102. A hinge sleeve 302 is fixedly connected to the outer side of each of the two rings 301. The two hinge sleeves 302 are hinged to the top sides of the large photovoltaic panel 4. The bottom end of the large photovoltaic panel 4 is inclined downward and its lower end is hinged to the top of the small photovoltaic panel 5. The bottom end of the small photovoltaic panel 5 is hinged to the support hinge seat 1011 set at the end of the two crossbeams 101. The length of the small photovoltaic panel 5 is less than the length of the large photovoltaic panel 4, and the large photovoltaic panel... 4. The length is not greater than the sum of the distance from the drive shaft to the support hinge line and the length of the small photovoltaic panel 5. The optimal length is the length of the large photovoltaic panel 4, which can meet the near-flat position. The drive shaft 2 is equipped with a spirally arranged telescopic rolling ball 202. A sliding nut 6 is movably sleeved on the drive shaft 2, and the top of the drive shaft 2 is fixedly connected to the wind-driven rotary lever 7. With the cooperation of the spiral protrusion 601 of the sliding nut 6, the drive shaft, when the rotation speed reaches the set value, can drive the sliding nut 6 to descend under the drive of the spiral protrusion 601 by the rolling ball 202. The upper and lower ends of the drive shaft 2 are respectively connected by two A tapered roller bearing 10 is rotatably connected to the middle of the top crossbeam 101 and the middle of the support base 1, and its top end extends out of the top crossbeam 101 and is fixedly connected to a wind-driven rotary actuator 7. The wind-driven rotary actuator 7 provides rotational power to the drive shaft. One side of the sliding nut 6 is hinged to the top of the large photovoltaic panel 4. The wind-driven rotary actuator 7 drives the drive shaft 2 to rotate, so that the sliding nut 6 can move downward along the drive shaft 2. Through the hinge linkage, the large photovoltaic panel 4 is driven to rotate around each hinge point and tend to lie flat, realizing the wind resistance function or the optimal power generation state. The return spring 3 is in a compressed state. Among them, the hinge points between the large photovoltaic panel 4 and the sliding nut 6 (or the ring 301), between the large photovoltaic panel 4 and the small photovoltaic panel 5, and between the small photovoltaic panel 5 and the end of the crossbeam 101 are all planar revolute pairs, which only allow each component to rotate around the hinge point in the same plane, constrain the spatial motion degree of freedom of the components, and ensure that the sliding nut 6, the large photovoltaic panel 4 and the small photovoltaic panel 5 are always linked in the same plane; a limit stop 501 is provided on the side of the small photovoltaic panel 5 facing the large photovoltaic panel 4.When encountering wind resistance, the wind-driven wind-driven rotary lever 7 drives the transmission shaft 2 to rotate, causing the sliding nut 6 to move downwards along the transmission shaft 2. Through hinge linkage, the large photovoltaic panel 4 rotates around each hinge point and tends to lie flat, achieving wind resistance. When the wind speed drops to a set value and cannot provide centrifugal force for the rolling ball to protrude from the transmission shaft cylinder, it will be subjected to a reset force provided by the reset spring, causing the spiral protrusion to squeeze the rolling ball back. The reset spring 3 releases elastic potential energy, causing the large photovoltaic panel 4 to rotate in the opposite direction and reset and rise until the large photovoltaic panel 4 and the small photovoltaic panel 5 are in a straight line and connected. At this point, the limit block 501 fits against the surface of the large photovoltaic panel 4 to form a dead point positioning, restricting the large photovoltaic panel 4 from continuing to move and keeping it in a fixed posture to ensure maximum power generation efficiency. This invention adopts a purely mechanical adaptive design, with no electronic control units for any of the components. It senses and transmits wind energy through a wind-driven rotary arm, adjusts the posture of the photovoltaic panel, and finally achieves automatic tilting for wind protection and automatic return to its original position. This adaptive adjustment balances adaptability to harsh environments, reliability of fully automatic operation, and low maintenance costs. It is highly reliable and practical, effectively solving the problems of high cost, limited protection, complex electrical control, and insufficient reliability of existing technologies for photovoltaic panel wind protection.

[0018] The system employs a hinged structure consisting of a large photovoltaic panel, a small photovoltaic panel, a sliding nut, a column, and a crossbeam, constrained by three planar rotational joints. Combined with a series combination of a low-stiffness and a high-stiffness reset spring and a limit stop, it achieves adaptive switching between "lying flat to resist wind" and automatically "rising to generate electricity" in light winds. The dead-point positioning of the linkage mechanism ensures stable power generation posture.

[0019] Furthermore, it also includes a wind-driven stabilizing mechanism 8, which includes a housing 801 with a box-like structure. An adjustable damper 802 is hinged to the front end of the housing 801, and a vertical grid ventilation structure 803 is located at the rear end. A wind-direction adaptive stabilizing wing 804 is installed at the middle of the top of the housing 801. The wind-direction adaptive stabilizing wing 804 is a right-angled triangle, and one of its right-angled sides is fixedly connected to the top of the housing 801. It is installed along the front-rear direction of the housing 801. Based on the wind vane principle, the wind-direction adaptive stabilizing wing 804 drives the housing 801 to rotate around the bottom ball bearing 9 under the action of wind force until the wing surface is parallel to the wind direction and the rotational torque is balanced. The housing 801 stops rotating and completes the wind positioning, so that the adjustable damper 802 always faces the same direction as the wind. The top of the drive shaft 2 passes through the bottom of the housing 801 and is rotatably connected to it. A wind-driven rotary actuator 7 is installed in the middle of the inner cavity of the housing 801. The wind-driven rotary actuator 7 includes multiple rotating rods 701 evenly fixedly connected to the drive shaft 2 circumferentially, and a wind cup assembly 702 fixedly connected to the free end of each rotating rod 701. Airflow is introduced through an adjustable damper 802 and discharged through a vertical grid ventilation structure 803 to form a directional channel, ensuring smooth airflow and regulating its direction. The airflow acts on the wind cup assembly 702 to generate driving force, causing the rotating rods 701 and the drive shaft 2 to rotate, realizing the conversion and output of wind energy into mechanical torque. A wind-adaptive stabilizing wing 804, based on the wind vane principle, is linked to the housing 801. Combined with the front adjustable wind force self-opening damper and the rear vertical grid ventilation structure, it forms a directional airflow channel. The wind-driven rotary actuator 7 directly converts wind energy into mechanical torque, ensuring precise control of wind direction and force and stable power output. Furthermore, the entire device is a purely mechanical structure, requiring no electronic control, and possesses advantages such as strong environmental adaptability and high reliability.

[0020] The drive shaft 2 has a convex annular step 11 near its top. The bottom of the housing 801 is connected to the drive shaft 2 via a ball bearing 9. The lower end of the inner ring of the ball bearing 9 rests against the convex annular step 11. Below the convex annular step 11, the drive shaft 2 is connected to the top crossbeam 103 and the support seat 1 via tapered roller bearings 10. The inner ring of the upper tapered roller bearing 10 is fixedly connected to the step of the drive shaft 2. The two tapered roller bearings 10 support the axial and radial loads of the drive shaft. The housing 801 and the drive shaft 2 use ball bearings 9 to bear the radial force and the vertical force of their own weight. The drive shaft 2, the support seat 1, and the top crossbeam 103 form a "two-end support" through the two tapered roller bearings 10, which can achieve stable radial and axial support of the drive shaft, balance the composite load, and ensure the stable and reliable operation of the system.

[0021] The sliding nut 6 has a helical rib 601 with a semi-circular cross-section inside, and a semi-circular protrusion 601 on its inner side. The sidewall of the drive shaft 2 has several conical pin holes 201 arranged axially in a right-hand thread pattern. Each pin hole 201 is fitted with a rolling ball 202, which protrudes beyond the smallest radius end of the pin hole 201 to prevent it from being thrown towards the larger radius end. The largest radius end of the pin hole 201 is sealed by a sealing member 203, the inner end of which exceeds the cross-sectional radius of the drive shaft 2. When the drive shaft 2 rotates to a set speed, the rolling ball 202 moves outward from the cylindrical surface of the drive shaft 2 under centrifugal force and protrudes beyond the cylindrical surface. The protruding rolling ball 202 forms a threaded contact trajectory along the circumference of the drive shaft 2 that matches the helical rib 601. The rolling ball 202 on this threaded contact trajectory interacts with the helical rib 6. The protruding strip 601 abuts against the sliding nut 6, driving it to move downward along the drive shaft 2. The outer side of the sliding nut 6 is hinged to the middle of the top of the large photovoltaic panel 4. When the drive shaft 2 rotates to the set speed, the rolling ball 202 is thrown out to the outermost edge of the drive shaft 2 under the action of centrifugal force. Since the pin hole 201 is distributed in a spiral pattern that matches the spiral protruding strip 601, the extended rolling ball 202 forms a right-hand spiral contact trajectory along the circumference of the drive shaft 2. This trajectory abuts against the spiral protruding strip 601 of the sliding nut 6. The counterclockwise rotation of the drive shaft 2 generates axial driving force through the point contact between the rolling ball 202 and the spiral protruding strip 601, thereby driving the sliding nut 6 to move downward along the axial direction of the drive shaft 2, realizing the efficient conversion of rotational motion into axial linear motion. The sliding nut 6 drives the top of the large photovoltaic panel 4, which is hinged to it, to move downward.

[0022] This structure is a purely mechanical design, controlled and driven by wind power, requiring no electrical input. The centrifugal force-driven triggering method for throwing out the rolling ball 202 is reliable. The wind cup assembly 702 has a clear counterclockwise rotation. The spiral arrangement of pin holes 201 and the cooperation between the sliding nut 6 with a helical protrusion 601 with a semi-circular cross-section in the inner hole make the transmission direction precise and controllable. The threaded distribution of pin holes forms a lead screw-nut pair transmission with high conversion efficiency. Moreover, the rolling ball 202 and the sliding nut 6 are in point contact, with low frictional resistance, smooth operation, and no jamming. All parts are conventional and easy to process, resulting in low maintenance costs. It can stably adapt to the kinetic energy transmission requirements of the wind-driven rotary lever and has strong stability.

[0023] The aforementioned adjustable damper 802 includes a door panel 8021 with a circular bottom structure to prevent jamming during movement. The surface of the door panel 8021 is marked with wind force scale markings to adapt to long-term use in harsh environments such as deserts. The top of the door panel 8021 is hinged to the housing 801. A connecting sleeve 8026 is fixedly connected to the upper outer side of the door panel 8021. An adjusting screw 8023 passes through the connecting sleeve 8026. A nut 8022 is connected to the upper end of the adjusting screw 8023. The nut 8022 rests on the top surface of the connecting sleeve 8026. A cuboid counterweight 8024 is spirally connected to the lower part of the adjusting screw 8023. Two pressure points 8025 are provided on the inner side of the counterweight 8024 to abut against the door panel 8021. Tightening the adjusting screw 8023 drives the counterweight 8024 to move up and down along the axis of the adjusting screw 8023 (because the two pressure points contact the door panel, the counterweight 8024 does not rotate circumferentially). By adjusting the vertical displacement of the counterweight 8024, the center of gravity of the adjustable damper 8021 is changed, thereby changing the torque required for the adjustable damper 8021 to open. Combined with the wind force scale on the door panel 8021, precise opening control of the adjustable damper 8021 is achieved, allowing it to be blown open by the airflow under a set wind force, adapting to the airflow guidance needs of different wind conditions. A limiting block 501 is provided on the side of the small photovoltaic panel 5 facing the large photovoltaic panel 4. The limiting block 501 can fit against the outer surface of the large photovoltaic panel 4. Working principle: When the wind picks up, the wind-adaptive stabilizing wing 804 drives the shell 801 to rotate around the bottom rotation axis under the action of the wind force until the wing surface is parallel to the wind direction and the rotational torque is balanced. The shell 801 stops rotating and completes the wind positioning, so that the adjustable damper 802 always faces the wind direction. The airflow is introduced through the front adjustable damper 802 and discharged through the rear vertical grid ventilation structure 803 to form a directional channel. The air cup assembly 702 acting on the wind-driven rotating rod 7 generates driving force, which drives the rotating rod 701 to rotate synchronously with the transmission shaft, realizing the conversion and output of wind energy into mechanical torque. When the airflow drives the wind cup assembly 702 to rotate counterclockwise, it will drive the drive shaft 2 to rotate counterclockwise synchronously. The rolling ball 202 in the pin hole 201 is thrown out to the outermost edge of the drive shaft 2 under the action of centrifugal force. Since the pin hole 201 is distributed in a right-handed pattern, the extended ball forms a right-handed thread-like contact trajectory along the circumference of the drive shaft 2. This trajectory precisely abuts against the protrusion 601 of the sliding nut 6 with a semi-circular cross-section thread. The counterclockwise rotation of the drive shaft 2 generates axial driving force through the point contact between the rolling ball 202 and the protrusion 601, thereby driving the sliding nut 6 to move downward along the axial direction of the drive shaft 2, realizing the efficient conversion of rotational motion into axial linear motion. The sliding nut 6 moves downward along the axis, driving the large photovoltaic panel 4 to rotate around each hinge point and tend to lie flat, thus achieving wind resistance. When the wind speed decreases, the return spring 3 releases elastic potential energy, causing the large photovoltaic panel 5 to rotate in the opposite direction and rise up. When the large photovoltaic panel 4 and the small photovoltaic panel 5 are parallel, the limit block 501 abuts against the large photovoltaic panel 4 to form a dead point positioning, restricting the large photovoltaic panel 4 from continuing to move and keeping it in a fixed posture to ensure maximum power generation efficiency.

[0024] The adjustable damper 802 changes the torque required for opening the damper by adjusting the vertical displacement of the counterweight 8024. Combined with the wind force scale on the door panel 8021, it achieves precise opening control of the damper being blown open by the airflow under the set wind force, adapting to the airflow conduction requirements of different wind conditions.

[0025] This invention employs a fully mechanical adaptive design, eliminating the need for electric drive and electronic control units. It forms a complete functional closed loop through wind-driven stabilization, adjustable wind-power dampers, a transmission shaft assembly, and a photovoltaic panel wind-resistant movement mechanism. This allows for automatic and precise adaptation to different wind conditions, enabling adaptive switching between "lying flat for wind resistance" and "raising to generate electricity." Each component has been specifically optimized: the dampers are anti-jamming and the wind force is easily adjustable; the transmission shaft has low friction, ensuring stable photovoltaic panel movement; a dual-stiffness series reset spring prevents jamming; and the dampers are corrosion-resistant for desert conditions. The components are simple to manufacture and operate smoothly, ensuring both power generation efficiency and equipment safety while mitigating the risk of electronic component failures. It boasts low maintenance costs, high reliability, and strong practicality.

[0026] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit and principles thereof should fall within the protection scope defined by the claims of the present invention.

Claims

1. A wind-driven photovoltaic panel full-automatic windproof device, characterized in that, The utility model provides a photovoltaic power generation device, including the support seat (1) and transmission shaft (2), the support seat (1) both ends same side horizontal symmetry is equipped with two roof beams (101), and the top surface vertical is equipped with two columns (102) in both ends, and the top of two columns 102 is fixedly connected to the top roof beam (103) between top, and each column (102) is equipped with reset spring (3) on the sleeve, and each reset spring (3) bottom end is in abutment on the support seat (1), and the top is in abutment on the ring (301), and two rings (301) are respectively active sleeve joint in two columns (102), and two rings (301) same side are hinged to the top end of big photovoltaic panel (4) through the hinge, and big photovoltaic panel (4) is inclined downward and is hinged to the top end of small photovoltaic panel (5) bottom, and small photovoltaic panel (5) bottom is hinged with the end of roof beam (101) away from the end of connecting support seat (1), transmission shaft (2) upper end and lower end are respectively rotatably connected in the middle of top roof beam (101) and the middle of support seat (1) and the top is fixedly connected with wind driven rotary rod ware (7) after top roof beam (101) stretch, transmission shaft (2) is active sleeve set with sliding nut (6), and sliding nut (6) one side is hinged with the top end of big photovoltaic panel (4), and is driven by wind force wind driven rotary rod ware (7) to drive transmission shaft (2) rotation, and transmission shaft (2) rotation makes sliding nut (6) move along transmission shaft (2) downward and drives big photovoltaic panel (4) rotation around each hinge point and tends to flat posture.

2. A wind driven photovoltaic panel full automatic wind protection device according to claim 1, characterized in that, It also includes wind driven stable direction mechanism (8), and wind driven stable direction mechanism (8) includes the shell (801) of box body structure, and the shell (801) front and rear end opening, and the shell (801) front end is hinged adjustable air door (802), and the rear end sets up vertical lattice type air permeation structure (803), and the shell (801) top end middle part installs wind direction self-adapting stabilizing wing (804), and wind direction self-adapting stabilizing wing (804) is right triangle, and one of the right angle edges of wind direction self-adapting stabilizing wing (804) is fixedly connected with the top end of shell (801), and is installed along the front and rear direction of shell (801), and wind driven rotary rod ware (7) is located in the middle of the inner chamber of shell (801), and transmission shaft (2) top end penetrates the bottom of shell (801) and is rotatably connected with it, and airflow is introduced through adjustable air door (802) and is exported through vertical lattice type air permeation structure (803) to form directional channel, and acts on wind cup assembly (702) to generate driving force, and drives rotary rod (701) and transmission shaft (2) rotation.

3. A wind-driven photovoltaic panel full-automatic wind protection device according to claim 1 or 2, characterized in that, Wind driven rotary rod ware (7) includes multiple rotary rods (701) fixedly connected in the circumferential direction of transmission shaft (2) and wind cup assembly (702) fixedly connected at the free end of each rotary rod (701).

4. A wind driven photovoltaic panel full automatic wind protection device according to claim 2, characterized in that, The shell (801) and the transmission shaft (2) are connected by a ball bearing (9), and the transmission shaft (2) and the top roof beam (101) and the support seat (1) are connected by a tapered roller bearing (10).

5. A wind driven photovoltaic panel full automatic wind protection device according to claim 1, characterized in that, The sliding nut (6) is internally provided with a helical protrusion (601) with a semicircular cross section, the side wall of the transmission shaft (2) is provided with a plurality of pin holes (201) with conical surfaces arranged according to the right-hand thread rule in the axial direction, each pin hole (201) is embedded with a rolling ball (202) which can protrude from the smallest end of the radius of the pin hole (201), the largest end of the radius of the pin hole (201) is sealed by a blocking piece (203), the inner end of the blocking piece (203) exceeds the cross-sectional radius of the transmission shaft (2), when the transmission shaft (2) rotates to a set speed, the rolling ball (202) will move outward along the cylindrical surface of the transmission shaft (2) under the action of centrifugal force and protrude from the cylindrical surface, the protruding rolling ball (202) forms a thread contact trajectory matching the helical protrusion (601) along the circumference of the transmission shaft (2), the rolling ball (202) of the thread contact trajectory is in contact with the helical protrusion (601) of the sliding nut (6), driving the sliding nut (6) to move downward along the transmission shaft (2), the outer side of the sliding nut (6) is hingedly connected to the top middle part of the large photovoltaic panel (4).

6. A wind driven photovoltaic panel full automatic wind protection device according to claim 2, characterized in that, The adjustable air door (802) includes a door plate (8021) with a circular structure at the bottom, the surface of the door plate (8021) is marked with a wind power scale mark, the top end of the door plate (8021) is hingedly connected to the shell (801), the outer side of the door plate (8021) is fixedly connected with a connecting sleeve (8026) at the upper part, the connecting sleeve passes through an adjusting screw (8023), the adjusting screw (8023) is connected with a nut (8022) at the upper end, the nut (8022) is placed on the top surface of the connecting sleeve (8026), the adjusting screw (8023) is spirally connected with a weight block (8024) with a rectangular structure at the lower part, the inner side of the weight block (8024) is provided with two pressure points (8025) in contact with the door plate (8021).

7. A wind driven photovoltaic panel full automatic wind protection device according to claim 1, characterized in that, The small photovoltaic panel (5) is provided with a limiting block (501) at the top end towards one side of the large photovoltaic panel (4), the limiting block (501) can be attached to the outer surface of the large photovoltaic panel (4).

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