Inclined adjustable photovoltaic support

Abstract

The invention relates to the technical field of photovoltaic supports, and discloses an inclined adjustable photovoltaic support, which comprises a base plate, a photovoltaic support, a support frame and a support frame, the rotary table is slidably mounted on the annular guide rail to realize horizontal rotation, and a storage area is formed in the rotary table; the guide plates are connected to the inner wall of the turntable in parallel; the telescopic parts of the two sets of electric telescopic rods are installed on the guide plate, and photovoltaic frames are hinged to the ends of bodies of the electric telescopic rods and used for bearing photovoltaic panels; according to the inclined adjustable photovoltaic support disclosed by the invention, when strong crosswind occurs, an electric telescopic rod descends a photovoltaic panel to an internal storage area of a turntable, at the moment, a wind guide surface at the top of the turntable guides the crosswind to apply pressure downwards, and meanwhile, a side wall gradually-contracted wind inducing channel generates negative pressure suction force below the photovoltaic panel by utilizing a Bernoulli effect; and in combination with a narrow gap formed at a low position in a storage state, pneumatic locking is cooperatively formed to prevent lifting.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic supports, in particular to a photovoltaic support with adjustable tilt. Background Art

[0002] As the core support structure of a solar power generation system, the design of photovoltaic mounting systems is directly related to the safety, stability, and power generation efficiency of the photovoltaic power station. Under normal climatic conditions, fixed-angle mounting and tracking mounting technologies are relatively mature and can meet the installation requirements of most regions.

[0003] However, in special harsh environments, such as coastal typhoon areas, inland areas with frequent severe convection, and Gobi wind outlet areas, the existing bracket system faces severe challenges. Strong winds can easily cause photovoltaic panels to overturn. Therefore, there is an urgent need for a tilt-adjustable photovoltaic bracket to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a tilt-adjustable photovoltaic support, aiming to solve the problems in the prior art.

[0005] The present invention is implemented as follows: a tilt-adjustable photovoltaic support comprising: a chassis having a circular guide rail on the top; The turntable is slidably mounted on the annular guide rail to achieve horizontal rotation, and a storage area is formed inside the turntable; A plurality of guide plates are connected in parallel to the inner wall of the turntable; Two sets of independently controlled electric telescopic rods, the telescopic parts of which are mounted on the guide plate, and the ends of the main bodies of the electric telescopic rods are hingedly connected to photovoltaic frames, which are used to carry photovoltaic panels; Among them, the electric telescopic rod can drive the photovoltaic frame down to the storage area of the turntable, and the photovoltaic panel is pressed toward the chassis through the crosswind above the turntable. In addition, an air duct is opened on the side wall of the turntable. The crosswind increases the wind speed in the area below the photovoltaic panel through the air duct, and forms a pneumatic lock on the photovoltaic panel based on the Bernoulli effect.

[0006] Preferably, rolling balls are evenly distributed circumferentially on the annular guide rail of the chassis, and an annular chute for accommodating and mounting the rolling balls is provided below the turntable.

[0007] Preferably, both ends of the air induction channel pass through the inside and outside of the turntable, and the width of the end located outside the turntable is greater than the width of the end located inside the turntable.

[0008] Preferably, an air guide surface is provided on the top of the turntable, and the air guide surface is arranged obliquely toward the lower middle portion of the turntable.

[0009] Preferably, the guide plates are symmetrically provided with limit blocks, the guide plates are located on the opposite side of the two limit blocks and are slidably provided with sliders, and the sliders are provided with connecting rods perpendicular to the guide plates; A diagonal support is connected to the rotating shaft between the connecting rod and the photovoltaic frame, and the guide plate is connected to the telescopic part of the electric telescopic rod through the connecting rod, and an angle is formed between the electric telescopic rod and the diagonal support.

[0010] Preferably, the slider is provided with a roller that slides above the guide plate; Guide grooves are provided on the surfaces of both ends of the guide plate, and guide rods are provided inside the guide grooves. The slider is also provided with a connecting block which is sleeved on the outside of the guide rod, and a buffer spring is also sleeved on the outside of the guide rod. The two ends of the buffer spring act respectively between one side of the connecting block and the inner wall of the guide groove.

[0011] Preferably, notches corresponding to the diagonal support bracket and the telescopic portion of the electric telescopic rod are provided on both sides of the photovoltaic frame.

[0012] The invention discloses a photovoltaic support with adjustable tilt, which has the following beneficial effects: 1. The tilt-adjustable photovoltaic mount disclosed in the present invention, when strong crosswinds occur, the electric telescopic rod lowers the photovoltaic panel to the storage area inside the turntable. At this time, the wind guide surface on the top of the turntable guides the crosswind downward, while the sidewall's tapered air channel utilizes the Bernoulli effect to generate negative pressure suction under the photovoltaic panel. Combined with the narrow gap formed in the low position of the storage state, this synergistically forms a pneumatic lock to prevent it from lifting. 2. The limit block on the guide plate constrains the slider stroke, the slider roller ensures smooth adjustment, the guide rod and buffer spring buffer wind vibration in the normal state, and absorb strong wind impact in the pre-compressed state; 3. The notch in the photovoltaic frame ensures that the structure can be folded to a horizontal position and lowered in height, enhancing the aerodynamic effect and converting destructive crosswinds into downforce and negative pressure suction through the wind guide surface and air induction channel. Combined with multiple mechanical and buffer protections, it significantly improves safety and reliability in extreme wind conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of a tilt-adjustable photovoltaic bracket provided by an embodiment of the present invention; Figure 2 This is a schematic diagram of the upward-looking structure of a tilt-adjustable photovoltaic bracket provided by an embodiment of the present invention; Figure 3 This is a schematic diagram of the guide plate structure of a tilt-adjustable photovoltaic support provided by an embodiment of the present invention; Figure 4 1 is a schematic diagram of a top view of a tilt-adjustable photovoltaic support provided by an embodiment of the present invention; Figure 5This is a tilt-adjustable photovoltaic bracket provided by an embodiment of the present invention. Figure 4 Schematic diagram of the cross-section structure along the arrow direction AA; Figure 6 This is a tilt-adjustable photovoltaic bracket provided by an embodiment of the present invention. Figure 5 Schematic diagram of the local enlarged structure at point B in the figure.

[0014] Marking Description: 1. Chassis; 2. Turntable; 3. Guide plate; 4. Slider; 5. Connecting rod; 6. Diagonal support; 7. Photovoltaic frame; 8. Photovoltaic panel; 9. Electric telescopic rod; 11. Rolling ball; 21. Air guide surface; 22. Air induction channel; 31. Limit block; 32. Guide groove; 33. Guide rod; 34. Buffer spring; 41. Roller; 42. Connecting block; 71. Gap. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0016] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "up", "down", "left", "right", etc. indicate directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0017] The implementation of the present invention is described in detail below with reference to specific embodiments.

[0018] In this embodiment: Reference Figure 1-Figure 4 As shown, a preferred embodiment of the present invention is provided.

[0019] The tilt-adjustable photovoltaic support of this embodiment includes: The chassis 1 has an annular guide rail on its top; the turntable 2 is slidably mounted on the annular guide rail. Rolling balls 11 are evenly distributed circumferentially on the annular guide rail of the chassis 1. An annular chute is provided below the turntable 2 to accommodate and mount the rolling balls 11, thereby enabling the turntable 2 to rotate horizontally relative to the chassis 1, so that the photovoltaic panel 8 can always face the sunlight side, and a sunken storage area is formed inside the turntable 2 for storing the photovoltaic frame 7; Among them, in order to enable the photovoltaic panel 8 to always face the sunlight side, it is necessary to cooperate with the solar tracking control system to drive the turntable 2. The turntable 2 is driven by an independent rotation drive mechanism (such as a motor-driven gear / gear ring or friction wheel mechanism, not shown in the figure) and rotates around the annular guide rail under the instruction of the solar tracking control system. The solar tracking control system drive is an existing technology well known in the art and will not be elaborated in this solution.

[0020] A plurality of guide plates 3 are connected in parallel to the inner wall of the turntable 2; Two sets of independently controlled electric telescopic rods 9 have telescopic parts installed on the guide plate 3. The end of the main body of the electric telescopic rod 9 is hinged with a photovoltaic frame 7. The photovoltaic frame 7 is used to carry the photovoltaic panel 8. By controlling the extension and retraction of the two sets of electric telescopic rods 9 respectively, the height of both sides of the photovoltaic frame 7 can be adjusted independently, thereby completing the unilateral tilt angle adjustment or the overall synchronous lifting operation of the photovoltaic panel 8.

[0021] Among them, the electric telescopic rod 9 can drive the photovoltaic frame 7 to descend into the storage area of the turntable 2, and the photovoltaic panel 8 is pressed toward the chassis 1 through the cross wind above the turntable 2, and an air duct 22 is opened on the side wall of the turntable 2. The cross wind increases the wind speed in the area below the photovoltaic panel 8 through the air duct 22, and forms a pneumatic lock on the photovoltaic panel 8 based on the Bernoulli effect.

[0022] The pneumatic locking is a highly efficient pneumatic locking mechanism formed by the downward pressure of the wind guide surface 21, the Bernoulli negative pressure suction generated by the air duct 22, and the acceleration of the airflow caused by the narrow gap between the photovoltaic panel 8 and the chassis 1 in the storage state, which firmly stabilizes the photovoltaic panel 8 in the storage position under strong crosswinds.

[0023] Reference Figure 5-Figure 6 As shown, both ends of the air induced channel 22 pass through the inside and outside of the turntable 2, and the width of the end located outside the turntable 2 is greater than the width of the end located inside the turntable 2. The large inlet width can reduce the initial resistance of the crosswind airflow and guide more airflow into the air induced channel 22. The small outlet width can force the airflow to accelerate, maximize the static pressure drop, and generate Bernoulli negative pressure through gradual acceleration. The generated static pressure difference (negative pressure) is used to form a downward aerodynamic suction (downward pull) on the photovoltaic panel 8, thereby converting the crosswind energy with destructive potential into a protective aerodynamic force to stabilize the photovoltaic panel 8.

[0024] A wind guide surface 21 is provided on the top of the turntable 2, and the wind guide surface 21 is inclined toward the lower middle part of the turntable 2, so that the cross wind passing through the top of the turntable 2 will be guided by the inclined wind guide surface 21 and partially act obliquely downward on the top of the photovoltaic panel 8, generating a downward pressure on the photovoltaic panel 8, which can also effectively avoid the risk of the photovoltaic panel 8 being lifted up.

[0025] Furthermore, limit blocks 31 are symmetrically distributed on several of the guide plates 3, and a slider 4 is slidably installed on the guide plate 3 on the opposite side of the two limit blocks 31, and several sliders 4 are provided with connecting rods 5 arranged perpendicular to the guide plate 3; a diagonal support frame 6 is connected to the rotating shaft between the connecting rod 5 and the photovoltaic frame 7, and the guide plate 3 is connected to the telescopic part of the electric telescopic rod 9 through the connecting rod 5, and an angle is formed between the electric telescopic rod 9 and the diagonal support frame 6. During the extension and retraction of the electric telescopic rod 9, its telescopic part drives the connecting rod 5, thereby driving the slider 4 to slide on the guide plate 3, and the two limit blocks 31 on the guide plate 3 are used to prevent the slider 4 (i.e., the lower end of the diagonal support frame 6) from excessive movement beyond the design range.

[0026] The slider 4 is provided with a roller 41 that slides above the guide plate 3 , thereby improving the smoothness when adjusting the tilt angle or height of the photovoltaic panel 8 .

[0027] It is worth noting that, referring to Figure 3 As shown, the guide plate 3 has guide grooves 32 formed on both ends thereof, each housing a guide rod 33. The slider 4 is also provided with a connecting block 42 that fits over the guide rod 33. A buffer spring 34 is also fitted around the guide rod 33. The two ends of the buffer spring 34 act between one side of the connecting block 42 and the inner wall of the guide groove 32, respectively. During normal use (non-stowed), the buffer spring 34 allows the slider 4 (and the photovoltaic panel 8 connected thereto) to undergo a small elastic displacement when subjected to wind loads, absorbing energy and thus providing a buffering effect. When the photovoltaic panel 8 is stowed and sunk within the turntable 2, the buffer spring 34 is pre-compressed. At this point, whether the crosswind downward force directed by the wind guide surface 21 or the negative pressure suction generated by the air induction channel 22 acts on the photovoltaic panel 8, the compressed buffer springs 34 on both sides provide additional elastic support and cushioning, effectively absorbing impact energy and protecting the photovoltaic panel 8 and related mechanisms from damage caused by the transient loads of strong winds.

[0028] Further, in Figure 2In the figure, both sides of the photovoltaic frame 7 are provided with notches 71 corresponding to the telescopic parts of the diagonal support frame 6 and the electric telescopic rod 9. When the photovoltaic frame 7 sinks into the storage area of the turntable 2, the diagonal support frame 6 and the electric telescopic rod 9 are in an approximately horizontal horizontal state. At this time, the notch 71 provides an accommodation space, so that the diagonal support frame 6 and the electric telescopic rod 9 can be smoothly folded to a horizontal position, while allowing the photovoltaic panel 8 to be as close to the chassis 1 as possible, further reducing the distance between the photovoltaic panel 8 and the chassis 1, and increasing the airflow velocity under the photovoltaic panel 8.

[0029] It is worth noting that when the photovoltaic panel 8 is stabilized in the sunken storage area of the turntable 2, the chassis 1 has a magnetic locking component that can absorb and lock the photovoltaic frame 7 to maintain its support state and cooperate with the pneumatic locking mechanism to resist wind loads.

[0030] The tilt-adjustable photovoltaic support disclosed in the present invention utilizes a chassis 1 with an annular guide rail and a ball 11 to support a turntable 2 for horizontal rotation (in conjunction with a tracking system). A connecting rod 5 connected to a slider 4 on a guide plate 3 drives two sets of independent electric telescopic rods 9 to extend and retract, driving a diagonal support frame 6 to adjust the pitch angle or overall elevation of a photovoltaic frame 7 (carrying photovoltaic panels 8). When strong crosswinds occur, the electric telescopic rod 9 lowers the photovoltaic panel 8 to the storage area inside the turntable 2. At this time, the wind guide surface 21 on the top of the turntable 2 guides the crosswind downward and applies pressure. At the same time, the side wall tapered air channel 22 uses the Bernoulli effect to generate negative pressure suction under the photovoltaic panel 8. Combined with the narrow gap formed in the low position of the storage state, they synergistically form a pneumatic lock to prevent it from being lifted. During this process, the limit block 31 on the guide plate 3 constrains the travel of the slider 4, the roller 41 of the slider 4 ensures smooth adjustment, the guide rod 33 and the buffer spring 34 buffer wind vibration in the normal state and absorb strong wind impact in the stored pre-compressed state; At the same time, the notch 71 of the photovoltaic frame 7 ensures that the mechanism is folded to a horizontal position and lowered in height, thereby enhancing the aerodynamic effect and converting destructive crosswinds into downforce and negative pressure suction through the wind guide surface 21 and the wind induction channel 22. Combined with multiple mechanical and buffering protections, it significantly improves safety and reliability under extreme wind conditions.

[0031] 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 and 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 tilt-adjustable photovoltaic support, characterized in that: include: A chassis (1) having a circular guide rail on its top; A turntable (2) is slidably mounted on the annular guide rail to achieve horizontal rotation, and a storage area is formed inside the turntable (2); A plurality of guide plates (3) connected in parallel to the inner wall of the turntable (2); Two sets of independently telescopically controlled electric telescopic rods (9), the telescopic portions of which are mounted on the guide plate (3), the ends of the main bodies of the electric telescopic rods (9) being hingedly connected to photovoltaic frames (7), the photovoltaic frames (7) being used to carry photovoltaic panels (8); The electric telescopic rod (9) can drive the photovoltaic frame (7) to descend into the storage area of the turntable (2), and the photovoltaic panel (8) is pressed toward the chassis (1) by the crosswind above the turntable (2). The side wall of the turntable (2) is provided with an air induction channel (22). The crosswind increases the wind speed in the area below the photovoltaic panel (8) through the air induction channel (22), and forms a pneumatic lock on the photovoltaic panel (8) based on the Bernoulli effect.

2. The tilt-adjustable photovoltaic support according to claim 1, characterized in that: Rolling balls (11) are evenly distributed circumferentially on the annular guide rail of the chassis (1), and an annular chute for accommodating and mounting the rolling balls (11) is provided below the turntable (2).

3. The tilt-adjustable photovoltaic support according to claim 1, characterized in that: Both ends of the air induction channel (22) pass through the inside and outside of the turntable (2), and the width of the end located outside the turntable (2) is greater than the width of the end located inside the turntable (2).

4. The tilt-adjustable photovoltaic support according to claim 1, characterized in that: The top of the turntable (2) is provided with an air guide surface (21), and the air guide surface (21) is arranged obliquely toward the lower middle portion of the turntable (2).

5. The tilt-adjustable photovoltaic support according to claim 1, characterized in that: Limit blocks (31) are symmetrically distributed on the guide plates (3), a slider (4) is slidably mounted on the guide plate (3) on the opposite side of the two limit blocks (31), and a connecting rod (5) is provided on the sliders (4) and is perpendicular to the guide plate (3); A diagonal support frame (6) is connected to the rotating shaft between the connecting rod (5) and the photovoltaic frame (7), and the guide plate (3) is connected to the telescopic portion of the electric telescopic rod (9) through the connecting rod (5), and an angle is formed between the electric telescopic rod (9) and the diagonal support frame (6).

6. The tilt-adjustable photovoltaic support according to claim 5, characterized in that: The slider (4) is provided with a roller (41) that slides above the guide plate (3); Guide grooves (32) are formed on both end surfaces of the guide plate (3), and guide rods (33) are provided inside the guide grooves. The slider (4) is further provided with a connecting block (42) sleeved on the outside of the guide rod (33). A buffer spring (34) is further sleeved on the outside of the guide rod (33). The two ends of the buffer spring (34) act between one side of the connecting block (42) and the inner wall of the guide groove (32).

7. The tilt-adjustable photovoltaic support according to claim 1, characterized in that: Both sides of the photovoltaic frame (7) are provided with notches (71) corresponding to the telescopic parts of the diagonal support frame (6) and the electric telescopic rod (9).

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