Flower type solar photovoltaic module

Abstract

A flower type solar photovoltaic module disclosed by the present invention comprises a device base and a flower type photovoltaic array, the device base is provided with a plurality of cross support rods, one end of each cross support rod is connected to the device base, and the other end of each cross support rod is connected to the flower type photovoltaic array. The flower type photovoltaic array comprises a flower heart part and a plurality of petal parts, the petal parts are arranged on the outer side of the flower heart part in a surrounding mode, and solar photovoltaic panels are arranged on the flower heart part and the petal parts; the petal parts of the flower type photovoltaic array surround the outer side of the flower heart part and are overlapped in the oblique angle direction, the effective light receiving area of the solar photovoltaic panels of the petal parts and the flower heart part is completely expanded when the sunlight is directly irradiated, the effective light receiving area is larger than the plane occupied area through the three-dimensional overlapping structure, and the light receiving effect is better. The illumination coverage area can reach 120%-200% of the plane occupation area at noon.

Description

Technical Field

[0001] The present invention relates to the technical field of solar photovoltaic technology, in particular to a flower-shaped solar photovoltaic component. Background Art

[0002] With the rapid development of solar energy technology, the efficiency and reliability of photovoltaic modules have become the core research direction. Traditional solar photovoltaic systems mostly adopt a flat fixed layout. Although the structure is simple, it has significant defects in practical applications:

[0003] Low light utilization efficiency: Most fixed photovoltaic panels are integral photovoltaic panels with regular shapes. They cannot dynamically adjust the lighting range as the solar azimuth changes, resulting in a significant reduction in the illuminated area during dawn and dusk or during seasonal changes. According to statistics, the average efficiency loss of a flat layout during non-noon periods can reach more than 30%. Although existing adjustable brackets can achieve angle adjustment, most of them are single-axis or dual-axis mechanical structures with a limited adjustment range. In addition, when multiple photovoltaic panels are linked together, shadows are easily generated, which reduces the overall efficiency.

[0004] Insufficient wind resistance: Traditional support structures mostly use homogeneous rods and rigid connections. In strong wind environments, stress concentration can easily lead to structural deformation or even fracture. Some improvement plans improve stability by adding counterweights or inclined cables, but this greatly increases installation costs and floor space, and it is difficult to adapt to sudden gust loads.

[0005] Maintenance and adaptability deficiencies: Existing photovoltaic panels are mostly fixed installations, requiring manual cleaning and replacement, resulting in high maintenance costs. Furthermore, environmental factors such as strong winds can significantly impact the installations, causing breakage, damage, and even collapse. Traditional systems lack the ability to monitor cell status in real time and provide adaptive optimization capabilities.

[0006] In response to the above problems, this field urgently needs a photovoltaic module solution that can balance efficient power generation, dynamic adaptability and high reliability. Summary of the Invention

[0007] The object of the present invention is to provide a flower-shaped solar photovoltaic module to overcome the deficiencies in the prior art.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] The present application discloses a flower-shaped solar photovoltaic assembly, comprising a device base and a flower-shaped photovoltaic array. The device base is provided with a plurality of cross-support rods, one end of each cross-support rod being connected to the device base and the other end being connected to the flower-shaped photovoltaic array. The flower-shaped photovoltaic array comprises a flower core portion and a plurality of petal portions, the petal portions being arranged around the outside of the flower core portion, and solar photovoltaic panels being provided on the flower core portion and the petal portions.

[0010] When the lighting environment changes, such as the time changes between dawn and dusk and the long-term seasonal changes, the solar photovoltaic panels on the multi-angle petals can be used to adaptively adjust the lighting coverage of the solar photovoltaic panels in each time period, each season and even each weather condition. The cross-support rods can evenly balance the gravity through mutual support and traction to form a stable mechanical balance. When subjected to external forces, they can decompose and dissipate the external forces, thereby reducing the impact of the external forces on the device and increasing the stability of the structure.

[0011] The flower center part includes a flower center plate, and a plurality of flower center connecting seats are provided at the bottom of the flower center plate, and the flower center connecting seat is connected to one end of the cross support rod. The petal part includes a petal plate, and the petal plate is connected to the side of the cross support rod. The petal parts are arranged in an overlapping manner at an oblique angle. Under direct sunlight, the effective light-receiving area of the solar photovoltaic panels on the petal part and the flower center part is fully expanded, and through its three-dimensional structure, the effective light-receiving area is larger than its plane occupied area; when the angle of sunlight shifts, the sunlight coverage range of the solar photovoltaic panel changes accordingly due to the change in the angle of sunlight.

[0012] The overlapping structure of the flower center and petals can maximize the light coverage area at multiple time periods. At noon, under direct sunlight, the light coverage area of the photovoltaic panel can reach 120%-200% of its plane occupied area, which can maximize energy utilization.

[0013] At the same time, the three-dimensional arrangement of the flower center and petals can significantly improve the aesthetics, making the device not only a functional facility but also an ornamental facility.

[0014] Preferably, the connection point of the cross support rod and the device base forms contour line one, and the connection point with the flower center connecting seat forms contour line two. The size of contour line two is larger than the size of contour line one. The top of the cross support rod is inclined toward the outside of the device base, and is an inverted cone structure. The cross support rods are combined and support each other, and the force is uniform and stable.

[0015] As an inverted conical truss structure with a smaller bottom and a larger top, it disperses wind loads and gravity loads by expanding the top support area, reducing local stress concentration; the support points of each cross-support rod will decompose the force and disperse it to each support point, while further reinforced by the gravity of the cross-support rod, further improving the stability of the device.

[0016] Preferably, a support connection seat is connected between the cross support rods, and the support connection seat and the cross support rods are connected to each other and are movably connected to the cross support rods.

[0017] The support connector is connected to the cross support rods and can serve as a reinforcement point between the cross support rods, thereby improving the dynamic stability of the device.

[0018] Preferably, a movable groove is provided on the cross support rod, and a height adjustment connecting piece is provided on the movable groove. The height adjustment connecting piece is connected to the support connecting seat, and the height adjustment connecting piece includes a height driving piece movably connected to the movable groove, and the height driving piece is dynamically connected to the height adjustment connecting piece.

[0019] The support connecting seat can be adjusted in height. Through height adjustment, when the cross support rod has a certain inclination angle, it will drive the cross support rod to tilt. At the same time, it will drive the flower center part connected to the top of the cross support rod to rise and fall, and realize the vertical height adjustment of the petal plate through mechanical transmission.

[0020] In addition, in order to ensure safety in extreme weather, the height of the support connection seat can be adjusted to lower the center of gravity and avoid tipping.

[0021] At the same time, the buffer spring can absorb kinetic energy, which can more effectively deal with crosswinds and other situations;

[0022] The universal joint is used as the connection structure between the supporting connection seat and the cross support rod, which can adapt to movement and adjustment at various angles.

[0023] Preferably, the height driving member includes a driving motor provided on the cross support rod, the output end power of the driving motor is connected to a driving rod, a movable connecting member is connected to the driving rod, and the movable connecting member is connected to the height adjustment connecting member; the driving rod is a threaded rod, and a threaded hole is provided on the movable connecting member, and the threaded rod and the threaded hole cooperate with and are connected to each other.

[0024] The driving motor is connected to the movable connector through a threaded rod, converting the rotational motion into linear displacement, thereby driving the height adjustment connector to accurately control the height of the supporting connector, and then driving the adjustment of the height and tilt angle of the petal plate; at the same time, the threaded transmission design has a self-locking function, which can ensure that the position is stable after adjustment and will not tilt or collapse.

[0025] Preferably, a plurality of petal connecting seats are provided at the bottom of the petal plate, and a plurality of petal supporting rods are provided on the cross supporting rod. One end of the petal supporting rod is connected to the cross supporting rod, and the other end is connected to the petal connecting seat.

[0026] The petal part is connected to the cross support rod through several petal support rods. Through 3 to 5 petal support rods, it can stably support various parts of the petal part, realize multi-degree-of-freedom adjustment through multi-point hinges, and can also be connected through universal joints to ensure the stability of the support structure.

[0027] Preferably, the petal support rod is an arc-shaped telescopic rod with uniform curvature, the telescopic end of the petal support rod is connected to the petal connecting seat, and the petal connecting seat is located at different angles of the petal plate. The inclination and angle change of the petal plate are achieved by telescoping the petal support rod at different angles.

[0028] The arc-shaped telescopic rod is evenly stressed during the extension and retraction process, and the multi-angle petal support rods extend and retract in coordination, and the inclination angle of the petal plate in each area can be independently adjusted to adapt to complex lighting conditions.

[0029] Preferably, the center plate and petal plate are provided with a plurality of plug-in positions, and the plug-in positions are detachably connected to solar photovoltaic panels. The solar photovoltaic panels are electrically connected to the main control panels in the center plate and petal plates through the plug-in positions. A cover is connected to the plug-in positions, and the cover covers the top of the photovoltaic panel.

[0030] The plug-in position adopts a standardized interface, which allows for quick and uniform replacement and disassembly of photovoltaic panels. The cover design is dust-proof and waterproof, protecting the electrical connection contacts from environmental corrosion and preventing foreign objects from blocking the surface of the photovoltaic panel.

[0031] Preferably, the petal plate is provided with a plurality of sensors, including a resistance sensor and an inclination sensor. The sensors are connected to the main control board through wires and wireless linearity. The main control board calculates the resistance, inclination, wind speed and solar azimuth angle data transmitted by the sensors, and adjusts and controls the displacement of the petal plate and the cross support rod.

[0032] Preferably, the main control board calculates the quantitative efficiency of the solar photovoltaic panels through the data obtained by the sensors, and calculates the specific safety data. When the safety conditions are met, the execution mode with maximum power generation efficiency is taken as a priority; otherwise, emergency protection is carried out, and the petal panels and cross support rods are retracted to ensure that damage is minimized.

[0033] Preferably, the calculation of the safety range includes the resistance sensor monitoring the external force applied to the device in real time, and obtaining a safety threshold through calculation of the resistance value. When the resistance value received does not exceed the safety threshold, it is determined to be within the safety range.

[0034] Beneficial effects of the present invention:

[0035] (1) The petals of the flower-shaped photovoltaic array of the present invention surround the outside of the flower center and are arranged in an oblique and overlapping manner. When the sun is directly shining, the effective light-receiving area of the solar photovoltaic panels of the petals and the flower center is fully expanded. The three-dimensional overlapping structure makes the effective light-receiving area larger than the plane occupied area. At noon, the light coverage area can reach 120%-200% of the plane occupied area.

[0036] (2) The present invention adopts the structural design of the petal part, the petal support rod and the cross support rod. When the lighting environment changes, such as the dawn and dusk period or the change of seasons, the multi-angle petal part solar photovoltaic panels can adaptively adjust the light coverage area, which can make fuller use of the sunlight in different periods and seasons and reduce the loss of light utilization efficiency.

[0037] (3) The inverted cone structure of the cross support rods provides mutual support, uniform force distribution, and expanded top support area. This can disperse wind loads and gravity loads, and reduce local stress concentration. At the same time, the cross support rods are connected with support connectors, which can be used as reinforcement points to improve dynamic stability.

[0038] (4) The support connection seat can be moved on the movable groove of the cross support rod through the height adjustment connector to adjust the height. It can not only drive the petal plate to adjust the vertical height and tilt angle, but also lower the center of gravity in extreme weather to avoid tipping, further enhancing the structural stability;

[0039] (5) The petals are connected to the cross support rods through 3-5 petal support rods. The petal support rods are arc-shaped telescopic rods with uniform curvature, and their telescopic ends are connected to the petal connection seats at different angles of the petal plate. This design can achieve multi-degree-of-freedom adjustment through multi-point hinges. The multi-angle petal support rods can coordinate and extend to independently adjust the tilt angle of the petal plate in each area to adapt to complex lighting conditions while ensuring the stability of the support structure.

[0040] (6) By collecting resistance, wind speed, solar azimuth and irradiance data in real time, the system dynamically calculates the optimal inclination angle to maximize power generation efficiency at the safety resistance threshold (240N); when there is a certain risk but it is still controllable (240N-320N), the system automatically reduces the load to control the efficiency loss within 15% and avoid structural overload.

[0041] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of a flower-shaped solar photovoltaic module of the present invention;

[0043] Figure 2is a schematic diagram of the planar structure of an embodiment of the present invention from a top view perspective;

[0044] Figure 3 is a schematic diagram of the planar structure of the embodiment of the present invention from a main viewing angle;

[0045] Figure 4 is a schematic diagram of the planar structure of an embodiment of the present invention from a bottom-up perspective;

[0046] Figure 5 The embodiment of the present invention Figure 3 A magnified schematic diagram of the structure at A in the middle;

[0047] Figure 6 The embodiment of the present invention Figure 3 Schematic diagram of the planar cross-section of the structure at the middle BB;

[0048] Figure 7 It is a partial structural diagram of an embodiment of the present invention;

[0049] In the figure: 1. Device base; 2. Flower-shaped photovoltaic array; 201. Flower center part; 2011. Flower center adaptation groove; 2012. Flower center connecting seat; 202. Petal part; 2021. Petal adaptation groove; 2022. Petal connecting seat; 3. Cross support rod; 301. Drive rod; 302. Support rod seat; 303. Drive motor; 304. Movable groove; 305. Height drive component; 4. Petal support rod; 5. Support connecting seat. DETAILED DESCRIPTION

[0050] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the present invention. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessary confusion of the present invention.

[0051] See Figures 1 to 4 The embodiment of the present invention provides a flower-shaped solar photovoltaic module, including a device base 1. The device base 1 is polygonal and can be stably installed on the ground and can be firmly fixed. A slot is provided on the device base 1 to accommodate a cross support rod 3. The slot is provided with 6 to 10 rotating brackets. The rotating brackets are rotatably connected to support rod seats 302. All support rod seats 302 form a regular polygon, and the rotation directions of the support rod seats 302 form the same inscribed circle.

[0052] See Figure 7, a driving motor 303 is provided on the support rod seat 302 or the cross support rod 3, and the output end power of the driving motor 303 is connected to a threaded rod, that is, a driving rod 301. The threaded rod is provided with a thread and is matched with a movable connecting piece. The movable connecting piece is provided with a matching threaded hole. A cross support rod 3 is provided on the support rod seat 302, and a movable groove 304 is provided inside the cross support rod 3. A movable connecting piece is slidably connected in the movable groove 304. After the driving motor 303 rotates, the threaded rod is driven to rotate. Through the threaded hole structure on the sliding movable connecting piece, it can be translated, thereby realizing the movement of the movable connecting piece; through the synchronous movement of multiple movable connecting pieces, the support connecting seat 5 is driven to rotate and lift synchronously with it, thereby realizing the lifting and lowering of the support connecting seat 5 and the top flower core part 201; at the same time, the flower core part 201 and the cross support rod 3 are connected through a plurality of flower core connecting seats 2012, and the flower core connecting seat 2012 and the cross support rod 3 are connected through a universal joint, which can freely adjust the angle.

[0053] See Figure 5 、 6 A flower center adaptation groove 2011 is provided at the bottom of the flower center part 201, and a flower center connection seat 2012 is movably connected in the flower center adaptation groove 2011. The flower center part 201 moves adaptably along with the cross support rod 3, and can adapt to the end position change caused by the inclination of the cross support rod 3, thereby maintaining the stability of the connection.

[0054] The flower center portion 201 includes a complete polygonal entity, or may be a plurality of fragments separated by a plurality of lines. If it is a fragmented type, each fragment is provided with at least two flower center connecting seats 2012 to ensure the integrity of its flower center pattern.

[0055] A plurality of petal portions 202 are provided on the periphery of the flower core portion 201. The petal portion 202 includes an irregular petal plate, one side of the petal plate close to the petal plate is perpendicular to the tangent circle of the flower core portion 201. The petal portion 202 is provided with a plurality of petal connecting seats 2022. Petal support rods 4 are provided on the cross support rods 3. At least three petal support rods 4 are connected to the petal connecting seats 2022 of the petal portion 202 and are connected by universal joints.

[0056] The petal support rod 4 is a retractable curved rod-shaped structure with a uniform bending curvature, which can ensure the continuity and stability of the extension and retraction. The extension and retraction methods include electric, hydraulic, pneumatic and other methods. By adjusting the extension degree of the petal support rod 4, the direction, position, height and other conditions of the petal plate can be adjusted to achieve the movement and adjustment of the petal plate.

[0057] A number of petal adaptation grooves 2021 are also provided at the bottom of the petal plate, and a petal connecting seat 2022 is movably connected to the petal adaptation groove 2021. The function of the petal adaptation groove 2021 is also to adapt to the displacement of the end of the petal support rod 4 on the petal plate during the extension and retraction process, so as to maintain the stability of the connection.

[0058] The overlapping structure of the flower core 201 and the petal 202 maximizes the illumination coverage area at multiple time periods. At noon, under direct sunlight, the illumination coverage area of the photovoltaic panel can reach 120%-200% of its planar surface area, maximizing energy utilization.

[0059] At the same time, the three-dimensional arrangement of the flower center and petals can significantly improve the aesthetics, making the device not only a functional facility but also an ornamental facility.

[0060] Among them, the universal joint connection includes a cross universal joint and a ball joint. The universal joint connection can stably support the rotation of any angle while maintaining the connection relationship.

[0061] Mechanical stops are provided on the cross support rod 3 and the petal support rod 4. The mechanical stops are located on the circumferential side of the universal joint to limit the rotation angle of the universal joint, and the opening angle thereof is 30°-150°.

[0062] From the moment the sun enters the recognition range of the solar photovoltaic panel of the device, the petal support rod 4 in the petal portion 202 of the solar photovoltaic panel is extended and retracted to adjust the deflection angle of the petal plate. In this case, different deflection angles will cause the current petal plate to present different angles with the direct direction of sunlight. When the petal plate is perpendicular to the current direct direction of sunlight, the utilization efficiency of sunlight can be maximized.

[0063] However, the scope of implementation of this application is not limited to the case where the direct direction of sunlight is perpendicular to the solar photovoltaic panel. In this embodiment, when the angle between the direct direction of sunlight and the solar photovoltaic panel is greater than 30°, the solar energy utilization efficiency meets the requirements.

[0064] According to the preset inclination angle and inclination direction of the petal plate, under extreme direct sunlight angles, or in sunlight in different regions, by adjusting the telescopic length of two of the three petal support rods 4, the inclination direction and inclination angle of the entire petal plate can be adjusted, so that the angle of the petal plate can meet the applicable angle of the solar photovoltaic panel; wherein, the angle of each petal plate is adjusted separately, so that each petal plate can be suitable for the direct sunlight angle at the current time.

[0065] When encountering strong wind weather, the height driving member 305 can be driven to move by the rotation of the driving motor 303, thereby driving the movement of the support connecting seat 5. Since the size of the support connecting seat 5 is fixed, the height of the support connecting seat 5 can be changed, thereby driving the angle of the cross support rod 3 to change, so that each cross support rod 3 can be tilted synchronously. The center of gravity can be lowered by the lowering of the support connecting seat 5 to avoid collapse caused by strong wind.

[0066] At the same time, the petal support rod 4 can be extended and retracted. The retracted petal support rod 4 will drive the petal plate to retract, reducing the windward area. At the same time, the petal support rod 4 can be used to adjust the angle, thereby reducing the impact of strong winds and avoiding equipment damage and tipping.

[0067] There are 8 suction cups at the bottom of the device base 1, which are adsorbed by a vacuum pump to maintain a negative pressure of -70kPa.

[0068] Photovoltaic panel power generation efficiency Angle of incidence of the sun The relationship is: ;

[0069] in: is the nominal efficiency of the photovoltaic panel, is the solar incidence angle (i.e. the actual azimuth of the sun), It can be obtained through the tilt sensor.

[0070] Within the safety range, the global total efficiency is: ;

[0071] The safety range is: the resistance value of the petal plate is not greater than the safety threshold.

[0072] A resistance sensor is provided on the petal plate, specifically a miniature strain force sensor, which is installed at the connection between the petal support rod and the petal connecting seat. When subjected to external wind force, the petal plate is subjected to force, and force is applied to the petal support rod through the petal support seat. The resistance sensor monitors and records the resistance in real time.

[0073] Resistance value Calculations include: ;

[0074] in, is a safety threshold. In a feasible embodiment, , .

[0075] when , it is determined to be a dangerous state, triggering safety protection, and protecting the solar photovoltaic panels by controlling the petal support rods and driving motors.

[0076] Includes hierarchical security coverage: Security coverage: , operate in a maximum efficiency mode;

[0077] First level response: , load reduction adjustment is required to reduce efficiency but ensure safety;

[0078] Secondary response: , for emergency protection, the petal plates and cross support rods are folded together, and the suction cups are activated for adsorption, without considering power generation efficiency, to ensure maximum safety;

[0079] Level 3 response: , sound the alarm, and take emergency protection measures through external measures to ensure safety and avoid losses.

[0080] The petal board is also equipped with a tilt sensor, specifically a MEMS tilt sensor, which detects the tilt angle of the petal board in real time and is installed at the bottom of the petal board. When the tilt angle of the petal board is detected to be abnormal, an alarm is sent to the main control board, which then controls the drive motor and petal support rod to implement protection for the solar photovoltaic panel.

[0081] Abnormal conditions include: the difference between the tilt angle and the preset angle exceeds the threshold, and it is determined that it is distorted due to the influence of external force. The preset angle is the angle implemented by the petal support rod under the current situation of the petal plate. Specifically, the threshold is 2%~5%.

[0082] While meeting the safety range, priority is given to the optimal tilt angle that can maximize power generation efficiency. , calculated as: ;

[0083] in: The photovoltaic panel is tilted Efficiency under

[0084] G is the implementation irradiance , reflecting the light intensity;

[0085] The resistance borne by the petal plate and petal support rod;

[0086] v is the ambient wind speed.

[0087] We can also calculate the actual resistance by the inclination angle and wind speed for: ;

[0088] in: It is the coefficient fitted by wind tunnel experiment, reflecting the air density and structural aerodynamic characteristics;

[0089] is the measured static load.

[0090] Power generation efficiency and inclination The relationship is: ;

[0091] in: is the solar incidence angle; is the inclination angle, when the photovoltaic panel faces the sun When the photovoltaic panel efficiency .

[0092] The base of the device is equipped with a wind speed sensor, specifically an ultrasonic anemometer, which is installed on the outside of the base of the device. There are 4 to 8 wind speed sensors, which monitor the wind speed in the current environment in real time. When the wind speed is detected to be too fast, protection for the solar photovoltaic panels is implemented.

[0093] When the wind speed sensor and resistance data conflict, the resistance data will be used first and sent to the main control board to remind manual review.

[0094] The protection state includes: driving the motor to quickly retract the petal plate, and adjusting the windward angle of the petal plate to the minimum through the petal support rod; starting the suction cup at the bottom of the device base to increase the adsorption force of the device base.

[0095] Example 1: This application uses an aluminum alloy device base 1 with dimensions of 2000mm×2000mm×50mm; the cross support rods 3 are made of carbon fiber composite material, with a bottom cross-sectional dimension of 100mm×100mm, each support rod is 1800mm long, and the top is connected to the center connection seat 2012 through a universal ball head.

[0096] There are 6 cross support rods 3, which are tilted outward at 12° to form an inverted cone structure. The top contour line L2 = 1500mm, the bottom contour line L1 = 1200mm, and L2 / L1 = 1.25. Through this geometric design, the load is dispersed in all directions and on the base, reducing the risk of tilting or tipping.

[0097] The movable groove 304 in the cross support rod 3 is 20 mm wide and is installed with a height adjustment connector. The height adjustment connector is a universal joint connector. The support connection seat 5 is a hexagonal structure and is evenly connected to the six cross support rods 3.

[0098] The flower core plate is a spliced hexagonal plate, consisting of two spliced plates that can be combined to form a hexagon. The spliced hexagonal plate has a diameter of 1200mm and a thickness of 10mm. It has 12 plug-in positions on the surface, and the plug-in positions are embedded with copper alloy spring contacts.

[0099] There are 6 petal plates, with their long sides parallel to the side wall closest to the flower core plate. The long side size is 800mm. There are 6 plug-in positions on the surface of the petal plate, and the plug-in positions are embedded with copper alloy spring contacts.

[0100] In the drive mechanism, the drive motor 303 uses a 57HS09 stepper motor with a rated torque of 1.2 N·m and a built-in 17-bit absolute encoder. It is installed in the internal cavity of the cross support rod 3. The output end is connected to a stainless steel threaded rod, and the threaded rod drives the movable connecting part that cooperates with it. The movable connecting part is equipped with a slider, which is slidably connected to the movable groove 304 for sliding limitation. A buffer spring is provided between the slider and the movable groove 304 to increase the ability to withstand instantaneous impact.

[0101] Every time the motor rotates one circle, the mobile connector moves 2 mm, driving the support connector 5 to move, thereby realizing the tilt of the cross support rod 3, adjusting the opening angle of the petal part 202, expanding the light receiving area, and avoiding mutual influence and occlusion.

[0102] In this embodiment, the device is in a normal windless environment. ;

[0103] Resistance value detection , within a safe range;

[0104] solar incidence angle =30°, calculate the optimal inclination angle 30°;

[0105] Actual resistance (Safety);

[0106] Actual power generation efficiency .

[0107] Example 2: In this example, the device is in a strong wind environment. ;

[0108] Resistance value detection , within the scope of the first-level response;

[0109] solar incidence angle =30°, calculate the optimal inclination angle 25°;

[0110] But need to reduce the load to ;

[0111] Actual resistance (Safety);

[0112] Actual power generation efficiency .

[0113] Example 3: In this example, the device is in an extremely strong wind environment. ;

[0114] Resistance value detection , for emergency protection, retract the petals to a minimum angle of 10%, the actual resistance at this time (Safety);

[0115] The actual power generation efficiency is almost 0, but the structural displacement is ≤3mm.

[0116] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flower-shaped solar photovoltaic module, characterized by: The invention comprises a device base (1) and a flower-shaped photovoltaic array (2), wherein the device base (1) is provided with a plurality of cross-support rods (3), one end of the cross-support rods (3) is connected to the device base (1), and the other end is connected to the flower-shaped photovoltaic array (2), the flower-shaped photovoltaic array (2) comprises a flower core part (201) and a plurality of petal parts (202), the petal parts (202) are arranged around the outside of the flower core part (201), and solar photovoltaic panels are provided on the flower core part (201) and the petal parts (202); The flower core part (201) comprises a flower core plate, a plurality of flower core connection seats (2012) are provided at the bottom of the flower core plate, and the flower core connection seat (2012) is connected to one end of the cross support rod (3). The petal part (202) comprises a petal plate, and the petal plate is connected to the side of the cross support rod (3). The petal parts (202) are arranged in an overlapping manner at an oblique angle. Under direct sunlight, the effective light-receiving areas of the solar photovoltaic panels on the petal parts (202) and the flower core part (201) are fully expanded, and through their three-dimensional structure, the effective light-receiving areas are larger than their plane occupied areas.

2. The flower-shaped solar photovoltaic module according to claim 1, characterized in that: The connection point between the cross support rod (3) and the device base (1) forms a contour line 1, and the connection point with the flower center connection seat (2012) forms a contour line 2. The size of the contour line 2 is larger than the size of the contour line 1. The top of the cross support rod (3) is inclined toward the outside of the device base (1) and has an inverted cone structure. The cross support rods (3) are combined with each other and support each other, and the force is evenly and stably applied.

3. The flower-shaped solar photovoltaic module according to claim 1, characterized in that: A support connection seat (5) is connected between the cross support rods (3); the support connection seat (5) and the cross support rods (3) are connected to each other and are movably connected to the cross support rods (3).

4. The flower-shaped solar photovoltaic module according to claim 3, characterized in that: A movable groove (304) is provided on the cross support rod (3), a height adjustment connecting piece is provided on the movable groove (304), the height adjustment connecting piece is connected to the support connection seat (5), the height adjustment connecting piece includes a height driving piece (305) movably connected to the movable groove (304), and the height driving piece (305) is dynamically connected to the height adjustment connecting piece.

5. The flower-shaped solar photovoltaic module according to claim 4, characterized in that: The height driving member (305) comprises a driving motor (303) provided on the cross support rod (3); the output end power of the driving motor (303) is connected to a driving rod (301); a movable connecting member is connected to the driving rod (301); the movable connecting member and the height adjustment connecting member are connected to each other; the driving rod (301) is a threaded rod; a threaded hole is provided on the movable connecting member; the threaded rod and the threaded hole cooperate with and are connected to each other.

6. The flower-shaped solar photovoltaic module according to claim 1, characterized in that: A plurality of petal connecting seats (2022) are provided at the bottom of the petal plate, a plurality of petal supporting rods (4) are provided on the cross supporting rod (3), one end of the petal supporting rod (4) is connected to the cross supporting rod (3), and the other end is connected to the petal connecting seat (2022).

7. The flower-shaped solar photovoltaic module according to claim 6, characterized in that: The petal support rod (4) is a curved telescopic rod with a uniform curvature, the telescopic end of the petal support rod (4) is connected to the petal connection seat (2022), and the petal connection seat (2022) is located at different angles of the petal plate. By telescoping the petal support rod (4) at different angles, the inclination and angle change of the petal plate are achieved.

8. The flower-shaped solar photovoltaic module according to claim 1, characterized in that: The petal plate is provided with a plurality of sensors, including a resistance sensor and an inclination sensor. The sensors are connected to the main control board via wires and wirelessly. The main control board calculates the resistance, inclination, wind speed, and solar azimuth data transmitted by the sensors, and adjusts and controls the displacement of the petal plate and the cross support rod (3).

9. The flower-shaped solar photovoltaic module according to claim 8, characterized in that: The main control board calculates the quantitative efficiency of the solar photovoltaic panel through the data obtained by the sensor, and calculates specific safety data. When the safety range is met, the execution mode of maximum power generation efficiency is adopted first; otherwise, emergency protection is carried out, and the petal panels and cross support rods (3) are retracted to ensure that damage is minimized.

10. The flower-shaped solar photovoltaic module according to claim 9, characterized in that: The calculation of the safety range includes the resistance sensor monitoring the external force applied to the device in real time, and obtaining the safety threshold through the resistance value calculation. When the resistance value received does not exceed the safety threshold, it is determined to be within the safety range.

Images