Photovoltaic support with protection function

Abstract

The utility model discloses a photovoltaic support with protection function, including the bottom plate, the top fixed connection of bottom plate has the rotary base, the utility model discloses the setting of impeller frame and steel wire rope, and the wind speed response unit is constituted to impeller frame and fan blade, when strong wind attacks, the fan blade is rotated by wind power, drives the synchronous rotation of rotating lever through the linkage of sliding ring and steel wire rope, converts the rotary motion into the linear traction to the connecting base, forces photovoltaic panel body to rotate downwards around the pin shaft of articulated lever, and real -time reduces photovoltaic panel inclination to approximate horizontal state, this process reduces the wind area and wind load greatly, avoids the support structure overload or photovoltaic panel to be turned over, especially suitable for the area of gale frequency, and the spring installed at the bottom of photovoltaic panel provides the restoring torque after wind power weakens, and photovoltaic panel is pushed back to the initial working inclination of automation, does not need manual intervention, and the spring absorbs strong wind impact energy simultaneously, reduces mechanical structure stress, prolongs the life of equipment, and the practicality of device has been improved.

Description

Technical Field

[0001] This utility model specifically relates to a photovoltaic support with protective functions, belonging to the field of support technology. Background Technology

[0002] Solar photovoltaic (PV) brackets are special supports designed for placing, installing, and fixing solar panels in a solar photovoltaic power generation system. They are generally made of aluminum alloy, carbon steel, and stainless steel. Because solar PV brackets are installed outdoors and must withstand various environments, such as acid rain zones, wind zones, and offshore areas, they require high levels of weather resistance, acid corrosion resistance, and structural strength. Existing metal PV brackets are insufficient to meet the requirements of practical applications. The market urgently needs PV brackets that are lightweight, high-strength, weather-resistant, and easy to install. To address the problems of poor weather resistance and weak acid corrosion resistance in current metal PV brackets, resulting in a short overall service life and the need for frequent maintenance, as well as the susceptibility to manufacturing defects in metal connectors, a new type of PV bracket is proposed. This new bracket overcomes the shortcomings of existing metal PV brackets in terms of weather resistance and acid corrosion resistance, and also offers advantages such as high structural strength, light weight, and ease of installation.

[0003] Chinese patent publication (patent number: CN213754372U) discloses a photovoltaic bracket, including a support structure, purlins, and purlin connecting components; the support structure includes a front column, a rear column, a crossbeam, diagonal braces, a front column crossbeam connector, a rear column crossbeam connector, a crossbeam diagonal brace connector, and a rear column diagonal brace connector; it has the advantages of weather resistance, acid corrosion resistance, high structural strength, light weight, and easy installation.

[0004] However, the structure of this utility model is completely fixed. Once installed, the tilt angle of the photovoltaic panel cannot be changed. In the face of sudden strong winds, such as typhoons, storms, or continuous strong winds, the bracket and photovoltaic panel can only passively bear the entire wind load, which increases the risk of damage to the photovoltaic panel. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a photovoltaic support structure with protective functions, so as to achieve the goal of actively responding to changes in wind speed and effectively protecting the photovoltaic system.

[0006] A photovoltaic support structure with protective functions includes a base plate;

[0007] A rotating base is fixedly connected to the top of the base plate. A rotating rod is rotatably connected to the top of the rotating base via a rotating shaft. A sliding ring is slidably connected to the outer wall of the rotating rod. A rotating ring is rotatably connected to the top of the sliding ring via a rotating shaft. Two connecting rods are hinged to the outer wall of the rotating ring via a pin. A slider is installed at the end of the connecting rod away from the rotating ring. A fixed ring is fixedly connected to the outer wall of the rotating rod. Two connecting rods are hinged to the outer wall of the fixed ring via a pin. A sliding groove is provided on the connecting rod. The outer wall of the slider is slidably connected to the inner wall of the sliding groove. A ball is fixedly connected to the end of the connecting rod away from the fixed ring.

[0008] Furthermore, two hinged bases are fixedly connected to the top of the base plate, and a hinge rod is hinged between the two hinged bases by a pin. A photovoltaic panel body is installed on the outer side wall of the hinge rod, and a connecting base is installed at the bottom of the photovoltaic panel body. A pulley base one and a pulley base two are installed on the top of the base plate. Pulleys are installed on the inner side walls of pulley base one and pulley base two. A steel wire rope is fixedly connected to the bottom of the sliding ring. The end of the steel wire rope away from the sliding ring passes through the grooves of the pulleys inside pulleys of pulley base one and pulley base two in sequence and is fixedly connected to the connecting base.

[0009] Furthermore, an acrylic sheet is installed on the top of the photovoltaic panel body, and the acrylic sheet is made of transparent material.

[0010] Furthermore, four grounding plugs are installed at the bottom of the base plate.

[0011] Furthermore, the length of the second connecting rod plus the diameter of the sphere is less than the distance between the rotating rod and the photovoltaic panel body.

[0012] Furthermore, an impeller frame is fixedly connected to the top of the rotating rod, and four fan blades are installed on the outer side wall of the impeller frame.

[0013] Furthermore, the second pulley base is located at the bottom of the photovoltaic panel body, the first pulley base is located on one side of the rotating base, and two springs are installed at the bottom of the photovoltaic panel body, with the bottom of the springs fixedly connected to the top of the base plate.

[0014] Beneficial effects:

[0015] I. This utility model, through the setting of impeller frame and steel wire rope, forms a wind speed sensing unit with the impeller frame and fan blades. When strong winds strike, the wind force drives the fan blades to rotate, which in turn drives the rotating rod to rotate synchronously. Through the linkage between the sliding ring and the steel wire rope, the rotational motion is converted into linear traction on the connecting base, forcing the photovoltaic panel body to rotate downward around the pin of the hinge rod, reducing the tilt angle of the photovoltaic panel to an approximately horizontal state in real time. This process significantly reduces the wind-receiving area and wind load, avoiding overload of the support structure or overturning of the photovoltaic panel. It is especially suitable for areas with frequent strong winds. After the wind weakens, the spring installed at the bottom of the photovoltaic panel provides a restoring torque, automatically pushing the photovoltaic panel back to the initial working tilt angle without manual intervention. At the same time, the spring absorbs the impact energy of strong winds, reduces mechanical stress, extends the equipment life, and improves the practicality of the device.

[0016] Second, by setting up an acrylic sheet, the transparent acrylic sheet on top of the photovoltaic panel can resist the impact of falling objects such as hail and gravel, reduce the risk of panel damage, and increase the stability of the device. Attached Figure Description

[0017] Figure 1 This is a top view of the structure of this utility model.

[0018] Figure 2 for Figure 1 A magnified schematic diagram of a portion of area A in the middle;

[0019] Figure 3 This is a side view of the present invention.

[0020] Figure 4 This is a bottom view of the structure of this utility model;

[0021] Figure 5 This is a side top view of the structure of this utility model;

[0022] Figure 6 for Figure 5 A magnified schematic diagram of a portion of region B.

[0023] In the diagram: 101, base plate; 102, rotating base; 103, rotating rod; 104, sliding ring; 105, rotating ring; 106, connecting rod one; 107, slider; 108, connecting rod two; 109, slide groove; 110, sphere; 111, fixed ring; 112, impeller frame; 113, pulley base one; 114, pulley base two; 115, connecting base; 116, wire rope; 117, hinged base; 118, hinge rod; 119, photovoltaic panel body; 120, acrylic sheet; 121, spring; 122, ground socket; 123, fan blade. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-6 As shown, a photovoltaic support with protective function includes a base plate 101;

[0026] A rotating base 102 is fixedly connected to the top of the base plate 101. A rotating rod 103 is rotatably connected to the top of the rotating base 102 via a rotating shaft. A sliding ring 104 is slidably connected to the outer wall of the rotating rod 103. A rotating ring 105 is rotatably connected to the top of the sliding ring 104 via a rotating shaft. Two connecting rods 106 are hinged to the outer wall of the rotating ring 105 via a pin. A slider 107 is installed at the end of the connecting rod 106 away from the rotating ring 105. A fixing ring 111 is fixedly connected to the outer wall of the rotating rod 103. Two connecting rods 108 are hinged to the outer wall of the fixing ring 111 via a pin. A groove 109 is provided on the connecting rod 108. The outer wall of the slider 107 is slidably connected to the inner wall of the groove 109. A ball 110 is fixedly connected to the end of the connecting rod 108 away from the fixing ring 111.

[0027] As a technical optimization of this utility model, two hinged bases 117 are fixedly connected to the top of the base plate 101. A hinge rod 118 is hinged between the two hinged bases 117 by a pin. A photovoltaic panel body 119 is installed on the outer side wall of the hinge rod 118. A connecting base 115 is installed at the bottom of the photovoltaic panel body 119. A pulley base one 113 and a pulley base two 114 are installed on the top of the base plate 101. Pullers are installed on the inner side walls of pulley base one 113 and pulley base two 114. A steel wire rope 116 is fixedly connected to the bottom of the sliding ring 104. The end of the steel wire rope 116 away from the sliding ring 104 passes through the grooves of the pulleys inside pulley base one 113 and pulley base two 114 in sequence and is fixedly connected to the connecting base 115.

[0028] As a technical optimization of this utility model, an acrylic plate 120 is installed on the top of the photovoltaic panel body 119, and the acrylic plate 120 is made of transparent material.

[0029] As a technical optimization of this utility model, four ground plugs 122 are installed at the bottom of the base plate 101.

[0030] As a technical optimization of this utility model, the length of the connecting rod 108 plus the diameter of the ball 110 is less than the distance between the rotating rod 103 and the photovoltaic panel body 119.

[0031] As a technical optimization of this utility model, the top of the rotating rod 103 is fixedly connected to the impeller frame 112, and four fan blades 123 are installed on the outer side wall of the impeller frame 112. One side of the fan blade 123 is concave and the other side is convex.

[0032] As a technical optimization of this utility model, the pulley base 2 114 is located at the bottom of the photovoltaic panel body 119, the pulley base 1 113 is located on one side of the rotating base 102, and two springs 121 are installed at the bottom of the photovoltaic panel body 119, with the bottom of the springs 121 fixedly connected to the top of the base plate 101.

[0033] Working principle: The rotating rod 103 has a wall thickness of 4mm and an outer diameter of 50mm. The ground plug 122 is 800mm long and has a soil penetration depth of 600mm. The spring 121 is made of 50CrVA spring steel with phosphate anti-corrosion treatment. The fan blade 123 is made of lightweight weather-resistant engineering plastic. The acrylic plate 120 is made of polymethyl methacrylate with a thickness of 3mm. Move the device to the working area. The four ground plugs 122 are arranged in a rectangle. During installation, ensure that the base plate 101 is level. After the ground plugs 122 are driven in, the surrounding soil needs to be fully backfilled and compacted to ensure stability. After installation, adjust the photovoltaic panel body 119 to the preset optimal power generation tilt angle, and ensure that the spring 121 is in a pre-compressed state and the steel wire rope 116 has moderate tension. When the ambient wind speed is normal, the device maintains its initial state, with the photovoltaic panel 119 at the preset optimal power generation tilt angle. However, in the event of strong winds, such as typhoons or storms, the wind drives the fan blades 123 to rotate at high speed, causing the rotating rod 103, which is fixedly connected to it, to rotate synchronously. The rotation of the rotating rod 103 is the starting point for all subsequent actions. The key components are the sliding ring 104 fitted on the outer wall of the rotating rod 103, and the rotating ring 105 fixed to the top of the sliding ring 104 and connected by a rotating shaft. Two connecting rods 106 are hinged to the outer side of the rotating ring 105. A slider 107 is installed at the other end of each connecting rod 106, and this slider 107 is fixed to a fixed ring 111. The fixed ring 111 itself is hinged to two connecting rods 108. The connecting rods 108... A groove 109 is provided, and the outer wall of the slider 107 slides precisely within this groove 109. A ball 110 is fixed to the end of the connecting rod 108. When the rotating rod 103 rotates at high speed under wind power, the ball 110 at the end of the connecting rod 108 generates a strong outward tendency due to centrifugal force. Since the ball 110 is fixed to the end of the connecting rod 108, and the connecting rod 108 is connected to the slider 107 through the groove 109, and the fixed ring 111 is hinged to the rotating ring 105, and the rotating ring 105 is fixed to the sliding ring 104, the centrifugal force of the ball 110 is ultimately converted into the force on the sliding ring 107 through this series of rigid connections: the connecting rod 108, the groove 109, the slider 107, the fixed ring 111, and the rotating ring 105. The upward thrust applied by ring 104 along the axis of rotating rod 103 forces sliding ring 104 to slide upward, pulling the steel wire rope 116 fixed at its bottom. The steel wire rope 116 passes sequentially through the pulley grooves inside pulley base one 113 and pulley base two 114 installed on the base plate 101, and finally connects upward to the connecting base 115 fixed at the bottom of photovoltaic panel body 119. Therefore, when sliding ring 104 moves upward, steel wire rope 116 is tightened. Through the guide system formed by the pulley group, the upward movement of sliding ring 104 is converted into a downward linear traction force on connecting base 115, forcing photovoltaic panel body 119 to rotate downward around the pin axis of hinge rod 118. Its tilt angle decreases accordingly until it approaches a horizontal state. This real-time and active reduction of tilt angle...The projected area of ​​the photovoltaic panel 119 perpendicular to the wind direction is significantly reduced, thereby greatly reducing wind pressure load and effectively preventing overload of the support structure or damage to the photovoltaic panel caused by strong winds. After the wind weakens, the spring 121 installed between the bottom of the photovoltaic panel 119 and the top of the base plate 101 provides a restoring torque, automatically pushing the photovoltaic panel 119 back to its initial working tilt angle, achieving automatic reset without manual intervention. Simultaneously, the spring 121 also absorbs energy, buffers vibration, and protects the mechanical structure during strong wind impacts. Furthermore, the transparent acrylic plate 120 installed on top of the photovoltaic panel 119 effectively resists the impact of falling objects such as hail and gravel when the photovoltaic panel 119 is in a near-horizontal state, further protecting the photovoltaic panel 119. The device has a monthly inspection cycle during use; however, it must be inspected immediately after severe weather to ensure stable operation.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A photovoltaic support with protective function, comprising a base plate (101); characterized in that: A rotating base (102) is fixedly connected to the top of the base plate (101). A rotating rod (103) is rotatably connected to the top of the rotating base (102) via a rotating shaft. A sliding ring (104) is slidably connected to the outer wall of the rotating rod (103). A rotating ring (105) is rotatably connected to the top of the sliding ring (104) via a rotating shaft. Two connecting rods (106) are hinged to the outer wall of the rotating ring (105) via pins. The connecting rods (106) are away from the rotating ring (101). 5) One end is equipped with a slider (107), and a fixing ring (111) is fixedly connected to the outer wall of the rotating rod (103). The outer wall of the fixing ring (111) is hinged with two connecting rods (108) by a pin. A groove (109) is provided on the connecting rod (108). The outer wall of the slider (107) is slidably connected to the inner wall of the groove (109). A ball (110) is fixedly connected to the end of the connecting rod (108) away from the fixing ring (111).

2. A photovoltaic support bracket with protective function as described in claim 1, characterized in that: Two hinged bases (117) are fixedly connected to the top of the base plate (101). A hinge rod (118) is hinged between the two hinged bases (117) by a pin. A photovoltaic panel body (119) is installed on the outer wall of the hinge rod (118). A connecting base (115) is installed at the bottom of the photovoltaic panel body (119). A pulley base one (113) and a pulley base two (114) are installed on the top of the base plate (101). Pullers are installed on the inner side walls of pulley base one (113) and pulley base two (114). A steel wire rope (116) is fixedly connected to the bottom of the sliding ring (104). The end of the steel wire rope (116) away from the sliding ring (104) passes through the grooves of the pulleys inside pulley base one (113) and pulley base two (114) and is fixedly connected to the connecting base (115).

3. A photovoltaic support bracket with protective function as described in claim 2, characterized in that: An acrylic plate (120) is installed on the top of the photovoltaic panel body (119), and the acrylic plate (120) is made of transparent material.

4. A photovoltaic support bracket with protective function as described in claim 3, characterized in that: Four floor plugs (122) are installed at the bottom of the base plate (101).

5. A photovoltaic support bracket with protective function as described in claim 4, characterized in that: The length of the second connecting rod (108) plus the diameter of the sphere (110) is less than the distance between the rotating rod (103) and the photovoltaic panel body (119).

6. A photovoltaic support bracket with protective function as described in claim 5, characterized in that: The top of the rotating rod (103) is fixedly connected to an impeller frame (112), and four fan blades (123) are installed on the outer side wall of the impeller frame (112).

7. A photovoltaic support bracket with protective function as described in claim 6, characterized in that: The second pulley base (114) is located at the bottom of the photovoltaic panel body (119), the first pulley base (113) is located on one side of the rotating base (102), and two springs (121) are installed at the bottom of the photovoltaic panel body (119). The bottom of the springs (121) is fixedly connected to the top of the base plate (101).

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