Photovoltaic device based on wind power protection and control method

Abstract

The invention discloses a photovoltaic device based on wind power protection and a control method. Comprising a photovoltaic panel supporting frame and a photovoltaic panel arranged on the photovoltaic panel supporting frame. One side of the photovoltaic panel is hinged to the photovoltaic panel supporting frame; the other side of the photovoltaic panel is arranged on the photovoltaic panel supporting frame through a lifting device; the device further comprises a wind power detection device and a control device. And the control device is used for receiving the wind power data output by the wind power detection device and outputting a descending signal to the lifting device when the received wind power data is greater than a preset value, so that the elevation angle of the photovoltaic panel is reduced. Wind power is detected through the two wind power detection devices, when the wind power exceeds an intervention value of the wind power detection devices, the second frame body moves downwards to the lowest position, the inclination angle of the photovoltaic panel is changed to the minimum, the absorbed wind power is reduced, the effect of protecting the photovoltaic panel is achieved, the photovoltaic panel is folded when the wind power is large, and the photovoltaic panel is prevented from being damaged. And the condition of being turned over is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of photovoltaic panels, and more specifically, particularly relates to a photovoltaic device based on wind protection. Background Art

[0002] Solar energy refers to the thermal radiation energy of the sun, which is mainly manifested in the so-called sunlight. In modern times, it is generally used to generate electricity or provide energy for water heaters. Since the birth of life on Earth, it has mainly survived on the thermal radiation energy provided by the sun. Since ancient times, humans have also known how to use sunlight to dry objects and use it as a method of making food, such as making salt and drying salted fish. With the decreasing fossil fuels, solar energy has become an important part of human energy use and is constantly developing. There are two ways to use solar energy: photothermal conversion and photoelectric conversion. Solar power generation is an emerging renewable energy source.

[0003] Existing solar panels are generally installed on roofs or in some open areas. Solar panels are usually installed in an inclined state and raised to a certain height. In bad weather, such as strong winds, the inclined solar panels will receive a large amount of wind force. In serious cases, the solar panels will be overturned, which may injure passers-by and cause resource damage. Summary of the invention

[0004] In order to solve the above technical problems, an object of the present invention is to provide a photovoltaic device based on wind protection to prevent solar panels from overturning.

[0005] To achieve the above object, the photovoltaic device based on wind protection of the present invention comprises:

[0006] Photovoltaic panel support frame and setting The photovoltaic panel support frame is provided with a photovoltaic panel;

[0007] One side of the photovoltaic panel is hinged on the photovoltaic panel support frame;

[0008] The other side of the photovoltaic panel is arranged on the photovoltaic panel support frame through a lifting device;

[0009] Also includes a wind force detection device and a control device;

[0010] The control device is used to receive the wind data output by the wind detection device, and when the received wind data is greater than a predetermined value, output a descending signal to the lifting device to reduce the elevation angle of the photovoltaic panel.

[0011] Furthermore, there are two wind detection devices, one of which is located in the middle of the top of the photovoltaic panel, and the other is located in the middle of one side of the photovoltaic panel, and the two wind detection devices are vertically arranged.

[0012] Furthermore, a cleaning device is provided on the photovoltaic panel.

[0013] Furthermore, the photovoltaic panel cleaning device comprises: an upper guide rail is arranged at the top of the photovoltaic panel, and a lower guide rail is arranged at the bottom of the photovoltaic panel; and a moving rod is also included, and the two ends of the moving rod are slidably arranged on the upper guide rail and the lower guide rail; a cleaning rod is arranged on the lower surface of the moving rod corresponding to the photovoltaic panel;

[0014] A driving device is arranged on one side of the photovoltaic panel, for driving the moving rod to move along the width direction of the photovoltaic panel.

[0015] Furthermore, it also includes a light detection device and a voltage detection device electrically connected to the control device. The control device is used to receive voltage data output by the light detection device and the voltage detection device, and when the received voltage data is less than a predetermined value, output a cleaning signal to the driving device of the photovoltaic panel cleaning device to make the cleaning rod reciprocate along the width direction of the photovoltaic panel.

[0016] Furthermore, the photovoltaic panel support frame includes a first frame body and a correspondingly arranged second frame body;

[0017] The lifting device comprises:

[0018] A first telescopic rod is provided between the four corners of the top of the first frame and the four corners of the bottom of the second frame;

[0019] A second telescopic rod is fixed on the top of the second frame body at one side corresponding to the top of the photovoltaic panel, and the top of the photovoltaic panel is hinged to the top of the second telescopic rod through a hinge seat;

[0020] The two ends of the bottom of the photovoltaic panel are respectively hinged with sliding rods through hinged seats, and the two ends of the top of the second frame corresponding to the photovoltaic bottom end are provided with sliding grooves, and the two sliding grooves are respectively slidably connected with the two sliding rods;

[0021] A first servo motor is disposed in the middle of the first frame, a first threaded rod is fixed to the power output end of the first servo motor, and a first nut threadedly connected is disposed in the middle of the second frame corresponding to the first threaded rod; the first threaded rod is threadedly connected to the first nut;

[0022] A threaded sleeve is pivotally connected downwardly to the middle of the two second telescopic rods of the second frame, a second threaded rod is threaded upwardly in the threaded sleeve, and the upper end of the second threaded rod is hinged to the middle of the top of the photovoltaic panel through a hinge seat;

[0023] The threaded sleeve is transmission-connected to the first servo motor.

[0024] Furthermore, the length of the sliding rod is greater than the difference between the lengths of the photovoltaic panel and the second frame.

[0025] Furthermore, the maximum length value and the minimum length value of the first telescopic rod and the second telescopic rod are the same, and the length value of the first threaded rod is greater than the length value of the first telescopic rod.

[0026] Furthermore, the driving device comprises: a servo motor (21) is arranged on one side of the middle part of the light board, and a reciprocating screw (23) is arranged at the input end of the servo motor; a screw sleeve (22) is fixed in the middle part of the top of the moving rod (19), and the reciprocating screw (23) and the screw sleeve (22) are threadedly connected; a light intensity detector (24) and a voltage detector (25) are fixed on the top of the guide rail (18) at the bottom end, and the light intensity detector (24) and the voltage detector (25) are electrically connected to the second servo motor (21) through a control device.

[0027] To achieve the above-mentioned purpose, the method for using the photovoltaic device of the present invention is based on the above-mentioned photovoltaic device:

[0028] The following steps are involved:

[0029] S1. Fill the first frame (1) with cement or concrete, adjust the tilt angle of the photovoltaic panel (17) according to the seasonal solar radiation angle, and manually start the first servo motor (3) to rotate to adjust the angle of the photovoltaic panel (17);

[0030] S2. In strong wind weather, the two wind force detection devices (26) detect the wind force. When the wind force exceeds the intervention value of the wind force detection device (26), the wind force detection device (26) controls the first servo motor (3) to rotate through the control device, so that the second frame (10) moves downward and the inclination angle of the photovoltaic panel (17) becomes smaller;

[0031] S3, detecting the light intensity through the light intensity detector (24), and adjusting the intervention value of the voltage detector (25) in advance for the voltage at different light intensities, judging whether the voltage at the light intensity is greater than the intervention value of the voltage detector (25) according to the light intensity, and when the voltage detected by the voltage detector (25) does not match the light intensity, the voltage detector (25) controls the second servo motor (21) to rotate through the control device until the voltage detector (25) detects that the voltage matches the light intensity.

[0032] Compared with the prior art, the present invention has the following advantages:

[0033] 1. In the present invention, the wind force is detected by two wind force detection devices. When the wind force exceeds the intervention value of the wind force detection device, the wind force detection device controls the first servo motor to rotate in the opposite direction, so that the second frame moves downward to the lowest point, and the inclination angle of the photovoltaic panel becomes the minimum, thereby reducing the absorbed wind force and achieving the effect of protecting the photovoltaic panel, thereby achieving the effect of folding the photovoltaic panel when the wind force is strong to avoid overturning.

[0034] 2. In the present invention, the first servo motor is controlled to rotate, thereby driving the first threaded rod to rotate, and cooperating with the first threaded rod, thereby driving the horizontal height of the second frame to rise. At the same time, the first threaded rod drives the first pulley to rotate, which is driven by the transmission belt to drive the second pulley to rotate, and drives the threaded sleeve to rotate. Through the cooperation of the threaded sleeve and the second threaded rod, one end of the photovoltaic panel is driven to rise, thereby achieving the effect of conveniently adjusting the angle of the photovoltaic panel.

[0035] 3. In the present invention, the light intensity is detected by a light intensity detector, and the intervention value of the voltage detector is pre-adjusted for the voltage at different light intensities. The light intensity detector is used to determine whether the voltage at the light intensity is greater than the intervention value of the voltage detector according to the light intensity. When the voltage detected by the voltage detector does not match the light intensity, the voltage detector controls the second servo motor to rotate, and the second servo motor drives the reciprocating screw to rotate, drives the screw sleeve to move back and forth laterally, and then drives the moving rod to move back and forth laterally, drives the cleaning rod to rub on the surface of the photovoltaic panel, and cleans the photovoltaic panel until the voltage detector detects that the voltage matches the light intensity, thereby achieving the effect of automatically cleaning the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a front view schematic diagram of the overall structure of the present invention.

[0037] Figure 2 yes Figure 1 A-section structure enlarged schematic diagram.

[0038] Figure 3 It is a schematic side view of the overall structure of the present invention.

[0039] Figure 4 It is a schematic diagram of the overall structure of the present invention viewed from above at a 45-degree angle.

[0040] Figure 5 It is a bottom view schematic diagram of the overall structure of the present invention.

[0041] Figure 6 It is a structural schematic diagram of the first frame and the second frame of the present invention.

[0042] Figure 7 It is a schematic diagram of the structure of the photovoltaic panel of the present invention.

[0043] The corresponding relationship between the component names and the figure numbers in the figure is:

[0044] 1. The first frame; 2. The first support rod; 3. The first servo motor; 4. The first threaded rod; 5. The first pulley; 6. The transmission belt; 7. The threaded sleeve rod; 8. The second pulley; 9. The second threaded rod; 91. The third hinge seat; 10. The second frame; 11. The second support rod; 12. The slide groove; 14. The slide rod; 15. The first telescopic rod; 16. The second telescopic rod; 161. The second hinge seat; 17. The photovoltaic panel; 171. The first hinge seat; 18. The guide rail; 19. The moving rod; 191. The anti-dropping block; 192. The cleaning rod; 20. The third support rod; 21. The second servo motor; 22. The screw sleeve; 23. The reciprocating screw; 24. The light intensity detector; 25. The voltage detector; 26. The wind force detection device. DETAILED DESCRIPTION

[0045] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0046] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0048] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] Embodiment 1:

[0050] As attached Figure 1 To Attachment Figure 7 As shown:

[0051] The present invention provides a photovoltaic device based on wind protection, including a first frame 1 and a photovoltaic panel 17, wherein the first frame 1 is fixed with a first telescopic rod 15 at each of the four corners of the top, the first telescopic rod 15 is fixed with a second frame 10 at the top, a second telescopic rod 16 is fixed with a second telescopic rod 16 at one end of the top of the second frame 10, the top of the second telescopic rod 16 is hinged with a photovoltaic panel 17 through a second hinge seat 161, and both ends of the bottom of the photovoltaic panel 17 are respectively hinged with a slide bar 14 through a first hinge seat 171, and both ends of the top of the second frame 10 away from one end of the second telescopic rod 16 are provided with a slide groove 12, and the two slide grooves 12 are respectively slidably connected with the two slide bars 14, a first support rod 2 is fixed to the middle of the inner wall of the first frame 1, a first servo motor 3 is fixed to the middle of the first support rod 2, and the first servo motor 3 is fixed to the middle of the first support rod 2. A first threaded rod 4 is fixed to the power output end of a servo motor 3, a second support rod 11 is fixed to the middle of the inner wall of the second frame 10, the first threaded rod 4 is threadedly connected to the middle of the second support rod 11, a first pulley 5 is fixed to the bottom of the outer wall of the first threaded rod 4, a threaded sleeve rod 7 is rotatably connected to the middle of the second frame 10 near the second telescopic rod 16, a second pulley 8 is fixed to the bottom end of the threaded sleeve rod 7, a transmission belt 6 is provided on the outer walls of the first pulley 5 and the second pulley 8, a second threaded rod 9 is threadedly connected to the top of the inner wall of the threaded sleeve rod 7, the second threaded rod 9 is hinged to the middle of the bottom of the photovoltaic panel 17 near the second telescopic rod 16 through a third hinged seat 91, and a wind detection device 26 is fixed to the middle of one side of the photovoltaic panel 17.

[0052] Among them, the length of the sliding rod 14 is greater than the difference between the length values ​​of the photovoltaic panel 17 and the second frame 10. The sliding rod 14 slides in the sliding groove 12, so that when the higher end of the photovoltaic panel 17 moves up and down, the bottom end of the photovoltaic panel 17 can move horizontally in the horizontal direction, which will not affect the up and down movement of the photovoltaic panel 17. At the same time, the length of the sliding rod 14 is sufficient, and the sliding rod 14 will not be separated from the sliding groove 12.

[0053] Among them, the maximum length and minimum length of the first telescopic rod 15 and the second telescopic rod 16 are the same, and the length of the first threaded rod 4 is greater than the length of the first telescopic rod 15, so that the rising and falling distance of the higher end of the photovoltaic panel 17 is the same as the rising and falling distance of the second support frame 10.

[0054] Among them, there are two wind detection devices 26, one of which is located in the middle of the top of the photovoltaic panel 17, and the other is located in the middle of one side of the photovoltaic panel 17. The two wind detection devices 26 are arranged vertically, and the two wind detection devices 26 are electrically connected to a control device such as a PLC or a single-chip microcomputer; and the control device is electrically connected to the first servo motor 3.

[0055] When the value detected by the wind force detection device is greater than the set value, the control device drives the first servo motor 3 to rotate so that the light panel lowers its elevation angle and tends to be set horizontally to prevent the entire device from being damaged due to excessive wind force.

[0056] Example 2

[0057] As an improvement of the above embodiment, a cleaning device is provided on the photovoltaic panel, including:

[0058] A guide rail 18 is fixed to the top and bottom of the photovoltaic panel 17. The length of the guide rail 18 is greater than the width of the photovoltaic panel 17, so that the movable rod 19 can be located at the end of the guide rail 18 that leaks out of the photovoltaic panel 17. The movable rod 19 will not block the photovoltaic panel 17 from absorbing heat. During installation and use, multiple photovoltaic panels 17 can be installed side by side, and one guide rail 18 can be used to connect the multiple photovoltaic panels 17, so that one movable rod 19 can clean multiple photovoltaic panels 17.

[0059] Among them, a moving rod 19 is slidably connected inside the two guide rails 18, and anti-falling blocks 191 are fixed at both ends of the moving rod 19. A cleaning rod 192 is fixed at the bottom of the moving rod 19. There are multiple cleaning rods 192, and the multiple cleaning rods 192 are arranged in a filled and equidistant manner. The bottom end of the cleaning rod 192 is located in the same horizontal plane as the photovoltaic panel 17. The moving rod 19 moves inside the guide rail 18, driving the cleaning rod 192 to rub on the surface of the photovoltaic panel 17 to clean the photovoltaic panel 17.

[0060] Among them, a third support rod 20 is fixed in the middle of one side of the photovoltaic panel 17, and a second servo motor 21 is installed on the third support rod 20; a reciprocating screw 23 is fixed at the output end of the second servo motor 21; a screw sleeve 22 is fixed in the middle of the top of the moving rod 19, and the reciprocating screw 23 and the screw sleeve 22 are threadedly connected; the second servo motor 21 drives the reciprocating screw 23 to rotate, drives the screw sleeve 22 to move back and forth horizontally, and then drives the moving rod 19 to move back and forth horizontally. When cleaning is required, the second servo motor 21 drives the reciprocating screw 23 to rotate, drives the screw sleeve 22 to move back and forth horizontally, and then drives the moving rod 19 to move back and forth horizontally.

[0061] A light intensity detector 24 and a voltage detector 25 are fixed on the top of the guide rail 18 at the bottom. The light intensity detector 24 and the voltage detector 25 are electrically connected to control devices such as PLC or single-chip microcomputer, and are electrically connected to the second servo motor 21 through the control devices. The light intensity detector 24 detects the light intensity, and the voltage detector 25 determines whether the voltage under the light intensity is normal. If it is abnormal, it indicates that the dust on the surface of the photovoltaic panel is heavy, and the second servo motor 21 is started to reciprocate to drive the cleaning rod 192 to rub on the surface of the photovoltaic panel 17 to clean the photovoltaic panel 17.

[0062] Example 3

[0063] The control method of the photovoltaic power generation device is based on the above-mentioned photovoltaic device based on wind power protection.

[0064] The following steps are involved:

[0065] S1. Fill the first frame 1 with cement or concrete, adjust the tilt angle of the photovoltaic panel 17 according to the seasonal solar radiation angle, and manually start the first servo motor 3 to rotate to adjust the angle of the photovoltaic panel 17;

[0066] S2. In strong wind weather, the two wind force detection devices 26 detect the wind force. When the wind force exceeds the intervention value of the wind force detection device 26, the wind force detection device 26 controls the first servo motor 3 to rotate, so that the second frame 10 moves downward and the inclination angle of the photovoltaic panel 17 becomes smaller;

[0067] S3. Detect the light intensity through the light intensity detector 24, and adjust the intervention value of the voltage detector 25 in advance for the voltage at different light intensities. According to the light intensity, the light intensity detector 24 determines whether the voltage at the light intensity is greater than the intervention value of the voltage detector 25. When the voltage detected by the voltage detector 25 does not match the light intensity, the voltage detector 25 controls the rotation of the screw sleeve 22 until the voltage detector 25 detects that the voltage matches the light intensity.

[0068] The specific usage and function of this embodiment are as follows:

[0069] In the present invention, firstly, the first frame 1 is filled with cement or concrete, and the tilt angle of the photovoltaic panel 17 is adjusted according to the seasonal solar radiation angle, and the first servo motor 3 is manually started to rotate. The first servo motor 3 rotates, drives the first threaded rod 4 to rotate, and cooperates with the first threaded rod 4, thereby driving the horizontal height of the second frame 10 to rise. At the same time, the first threaded rod 4 drives the first pulley 5 to rotate, and drives the second pulley 8 to rotate through the transmission belt 6, drives the threaded sleeve rod 7 to rotate, and drives one end of the photovoltaic panel 17 to rise through the cooperation of the threaded sleeve rod 7 and the second threaded rod 9. At this time, the bottom end of the photovoltaic panel 17 can move horizontally in the horizontal direction without affecting the up and down movement of the photovoltaic panel 17. At the same time, the length of the sliding rod 14 is sufficient, and the sliding rod 14 will not be separated from the sliding groove 12, so as to adjust the angle of the photovoltaic panel 17. After the adjustment is completed, the first servo motor 3 can be stopped. In strong wind weather, the two wind force detection devices 26 detect the wind force. When the wind force exceeds the wind detection force When the intervention value of the measuring device 26 is reached, the wind force detecting device 26 controls the first servo motor 3 to rotate in the opposite direction, so that the second frame 10 moves downward to the lowest position, the inclination angle of the photovoltaic panel 17 becomes the minimum, the absorbed wind force is reduced, and the photovoltaic panel 17 is protected. The light intensity is detected by the light intensity detector 24, and the intervention value of the voltage detector 25 is pre-adjusted for the voltage at different light intensities. According to the light intensity, the light intensity detector 24 is used to judge whether the voltage at the light intensity is greater than the intervention value of the voltage detector 25. When the voltage detected by the voltage detector 25 does not match the light intensity, the voltage detector 25 controls the second servo motor 21 to rotate. The second servo motor 21 drives the reciprocating screw 23 to rotate, drives the screw sleeve 22 to move back and forth laterally, and then drives the moving rod 19 to move back and forth laterally, drives the cleaning rod 192 to rub on the surface of the photovoltaic panel 17, and cleans the photovoltaic panel 17 until the voltage detector 25 detects that the voltage matches the light intensity.

[0070] The present invention is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention. Many other changes and modifications that do not depart from the concept and scope of the present invention should be regarded as the protection scope of the present invention.

[0071] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0072] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A photovoltaic device based on wind protection, characterized in that: include: Photovoltaic panel support frame and setting The photovoltaic panel support frame is provided with a photovoltaic panel; One side of the photovoltaic panel is hinged on the photovoltaic panel support frame; The other side of the photovoltaic panel is arranged on the photovoltaic panel support frame through a lifting device; Also includes a wind force detection device and a control device; The control device is used to receive the wind data output by the wind detection device, and when the received wind data is greater than a predetermined value, output a descending signal to the lifting device to reduce the elevation angle of the photovoltaic panel.

2. A photovoltaic device based on wind protection as claimed in claim 1, characterized in that: There are two wind force detection devices, one of which is located in the middle of the top of the photovoltaic panel, and the other is located in the middle of one side of the photovoltaic panel. The two wind force detection devices are vertically arranged.

3. A photovoltaic device based on wind protection as claimed in claim 1, characterized in that: A cleaning device is arranged on the photovoltaic panel.

4. A photovoltaic device based on wind protection as claimed in claim 3, characterized in that: The cleaning device comprises: an upper guide rail is arranged at the top of the photovoltaic panel, and a lower guide rail is arranged at the bottom of the photovoltaic panel; and a moving rod is also arranged at both ends of the moving rod for sliding on the upper guide rail and the lower guide rail; and a cleaning rod is arranged on the lower surface of the moving rod corresponding to the photovoltaic panel; A driving device is arranged on one side of the photovoltaic panel, for driving the moving rod to move along the width direction of the photovoltaic panel.

5. A photovoltaic device based on wind protection as claimed in claim 4, characterized in that: It also includes a light detection device and a voltage detection device electrically connected to the control device. The control device is used to receive voltage data output by the light detection device and the voltage detection device, and when the received voltage data is less than a predetermined value, output a cleaning signal to the driving device of the photovoltaic panel cleaning device to make the cleaning rod reciprocate along the width direction of the photovoltaic panel.

6. A photovoltaic device based on wind protection as claimed in claim 1, characterized in that: The photovoltaic panel support frame includes a first frame body and a correspondingly arranged second frame body; The lifting device comprises: A first telescopic rod is provided between the four corners of the top of the first frame and the four corners of the bottom of the second frame; A second telescopic rod is fixed on the top of the second frame body at one side corresponding to the top of the photovoltaic panel, and the top of the photovoltaic panel is hinged to the top of the second telescopic rod through a hinge seat; The two ends of the bottom of the photovoltaic panel are respectively hinged with sliding rods through hinged seats, and the two ends of the top of the second frame corresponding to the photovoltaic bottom end are provided with sliding grooves, and the two sliding grooves are respectively slidably connected with the two sliding rods; A first servo motor is disposed in the middle of the first frame, a first threaded rod is fixed to the power output end of the first servo motor, and a first nut threadedly connected is disposed in the middle of the second frame corresponding to the first threaded rod; the first threaded rod is threadedly connected to the first nut; A threaded sleeve is pivotally connected downwardly to the middle of the two second telescopic rods of the second frame, a second threaded rod is threaded upwardly in the threaded sleeve, and the upper end of the second threaded rod is hinged to the middle of the top of the photovoltaic panel through a hinge seat; The threaded sleeve is transmission-connected to the first servo motor.

7. A photovoltaic device based on wind protection as claimed in claim 6, characterized in that: The length of the sliding rod is greater than the difference between the lengths of the photovoltaic panel and the second frame.

8. A photovoltaic device based on wind protection as claimed in claim 1, characterized in that: The maximum length and the minimum length of the first telescopic rod and the second telescopic rod are the same, and the length of the first threaded rod is greater than the length of the first telescopic rod.

9. A photovoltaic device based on wind protection as claimed in claim 4, characterized in that: The driving device comprises: a servo motor (21) is arranged on one side of the middle part of the light board, and a reciprocating screw (23) is arranged at the input end of the servo motor; a screw sleeve (22) is fixed in the middle part of the top of the moving rod (19), and the reciprocating screw (23) and the screw sleeve (22) are threadedly connected; a light intensity detector (24) and a voltage detector (25) are fixed on the top of the guide rail (18) at the bottom end, and the light intensity detector (24) and the voltage detector (25) are electrically connected to the second servo motor (21) through a control device.

10. A control method for a photovoltaic device according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: S1. Fill the first frame (1) with cement or concrete, adjust the tilt angle of the photovoltaic panel (17) according to the seasonal solar radiation angle, and manually start the first servo motor (3) to rotate to adjust the angle of the photovoltaic panel (17); S2. In strong wind weather, the two wind force detection devices (26) detect the wind force. When the wind force exceeds the intervention value of the wind force detection device (26), the wind force detection device (26) controls the first servo motor (3) to rotate through the control device, so that the second frame (10) moves downward and the inclination angle of the photovoltaic panel (17) becomes smaller; S3, detecting the light intensity through the light intensity detector (24), and adjusting the intervention value of the voltage detector (25) in advance for the voltage at different light intensities, judging whether the voltage at the light intensity is greater than the intervention value of the voltage detector (25) according to the light intensity, and when the voltage detected by the voltage detector (25) does not match the light intensity, the voltage detector (25) controls the second servo motor (21) to rotate through the control device until the voltage detector (25) detects that the voltage matches the light intensity.

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