Connecting structure for rapid connection of photovoltaic panels

Abstract

The invention relates to the technical field of photovoltaic panel connecting devices, in particular to a connecting structure for quick connection of photovoltaic panels, which comprises a support frame, a photovoltaic panel is arranged above the support frame, a plurality of connecting boxes are fixedly mounted at the upper end of the support frame through bolts, and the connecting boxes are respectively arranged at four corners below the photovoltaic panel. The bottom end of the photovoltaic panel is rotatably provided with a plurality of plug pins, the plug pins respectively correspond to the connecting boxes, the upper end of each connecting box is fixedly provided with an upper sealing cover, and the interior of each connecting box is provided with a locking device. According to the photovoltaic panel fixing device, the photovoltaic panel can be rapidly fixed, after the locking rod is bent, firm mechanical locking is formed between the locking rod and the bottom ring, it is ensured that the photovoltaic panel can be stably fixed in the operation process, the influence of the external environment such as wind load or vibration is effectively dealt with, complex tools and high technical requirements are not needed, and installation can be completed only through simple bending actions.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic panel connection devices, in particular to a connection structure for quick connection of photovoltaic panels. Background Art

[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. Photovoltaic panels are devices that absorb sunlight and convert solar radiation energy directly or indirectly into electrical energy through photoelectric or photochemical effects. Photovoltaic panels need to be equipped with special support structures that can provide stable support during long-term use.

[0003] After searching, it was found that the prior art publication number is CN119276195A, which discloses an embedded photovoltaic panel quick installation structure, including a mounting plate and a photovoltaic panel outer plate, the mounting plate is slidably provided with a long pin inside, and the side of the long pin is fixedly connected to an external rod; the photovoltaic panel outer plate is fixedly connected to the photovoltaic panel body inside, and the photovoltaic panel outer plate is snap-fitted to the mounting plate; it also includes a push plate, which is rotatably arranged inside the mounting plate. When the photovoltaic panel outer plate needs to be docked during use, the photovoltaic panel outer plate is inserted into the embedding groove. At this time, the photovoltaic panel outer plate will push the long pin to move in the direction of squeezing the connecting spring. When the photovoltaic panel outer plate contacts the inner wall of the embedding groove, the long pin and the card slot are in the same horizontal direction. At this time, the long pin enters the card slot under the action of the connecting spring, that is, the photovoltaic panel outer plate has been docked to the mounting plate.

[0004] Therefore, based on the above search and in combination with the existing technology, when the above scheme is used, as the temperature rises, the material of the plug will expand, resulting in a decrease in the tightness of the plug in the fixing hole, which may cause the plug to loosen or the connection to be loose. At the same time, when the temperature drops, the pin will shrink, which may cause the fixed connection to become unstable and increase the risk of the photovoltaic panel falling off. In addition, the thermal expansion and contraction caused by the temperature difference will produce greater thermal stress on the plug and its connection parts. Long-term and repeated temperature changes may cause material fatigue, deformation or cracks, reducing the service life of the pin. For this reason, we propose a connection structure for quick connection of photovoltaic panels. Summary of the invention

[0005] The object of the present invention is to provide a connection structure for quick connection of photovoltaic panels to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a connection structure for quick connection of photovoltaic panels, comprising a support frame, a photovoltaic panel is arranged above the support frame, a plurality of connection boxes are fixedly installed on the upper end of the support frame by bolts, and the connection boxes are respectively arranged at four corners below the photovoltaic panel, a plurality of latches are rotatably installed on the bottom end of the photovoltaic panel, the latches respectively correspond to the connection boxes, an upper sealing cover is fixedly installed on the upper end of the connection box, a locking device for facilitating quick fixation of the latch is arranged inside the connection box, a heating cylinder is fixedly installed on the inner right end of the connection box by a clamp, a bottom ring is rotatably installed on the bottom end of the connection box, a locking rod is rotatably installed on the bottom end of the latch through a rotating shaft, then after the latch and the locking rod are respectively passed through the upper sealing cover and the bottom ring, the locking rod is bent, thereby realizing quick fixation of the photovoltaic panel.

[0007] As a further solution of the present invention, the locking device includes an outer support ring, which is fixedly mounted on the lower end of the upper sealing cover. A plurality of inner support plates are arranged below the upper sealing cover. The inner support plates are arranged in a ring shape, and an annular bag is sleeved on the outer surface of the inner support plate. The interior of the annular bag is filled with fine sand. When the annular bag is squeezed, the gap between the internal fine sand becomes smaller, causing the annular bag to harden as a whole, and then the outer surface of the inner support plate is squeezed.

[0008] As a further solution of the present invention, a driving cylinder is fixedly installed on the upper end of the bottom ring, a threaded ring is provided on the inner end threaded sleeve of the driving cylinder, and a plurality of push plates are fixedly installed on the upper end of the threaded ring, a plurality of extrusion blocks are arranged below the annular bag, and the extrusion blocks are fixedly connected to the threaded ring.

[0009] As a further solution of the present invention, a passive ring is rotatably installed on the inner end of the connecting box, and the passive ring and the annular sac are on the same axis. A plurality of card plates are slidably installed on the bottom end of the outer support ring, and the card plates are arranged in a ring shape and are located inside the passive ring. A moving rod is passed through the left end of the heated cylinder, and a locking plate is fixedly installed on the end of the moving rod away from the heated cylinder. A force ring is sleeved on the outer surface of the annular sac, and the force ring is sleeved on the outer surface of the annular sac.

[0010] As a further solution of the present invention, a cross rod is rotatably installed on one end of the locking plate away from the moving rod, and two extension rods are rotatably installed on one end of the cross rod away from the moving rod, and the two moving rods are rotatably connected to the front and rear ends of the force ring respectively. When the moving rod moves toward the right and pulls the cross rod to move through the locking plate, the cross rod will pull the two end points of the right end of the force ring together during the movement of the cross rod.

[0011] As a further solution of the present invention, two arc-shaped holes are opened at the upper end of the connection box, and a locking tube is fixedly installed on the right end of the bottom ring. The upper end of the locking tube is passed through the arc-shaped hole close to the passive ring, and a synchronization rod is passed through the arc-shaped hole away from the passive ring. The matching design of the locking tube and the arc-shaped hole makes the connection between the connection box and the bottom ring tighter, ensuring that the photovoltaic panel has good stability during operation and avoiding loosening or displacement.

[0012] As a further solution of the present invention, an unlocking column is installed on the upper end of the synchronization rod, and an unlocking column is fixedly installed on the upper end of the moving rod. A bayonet is opened at the rear end of the lock plate, and the unlocking column is snapped into the bayonet, so that the current moving rod cannot move. The matching design of the unlocking column and the bayonet effectively limits the movement of the moving rod through physical snap connection, thereby ensuring the stability of the locked state and avoiding loose connection due to accidental vibration or external force interference.

[0013] As a further solution of the present invention, a center rod is passed through the inner end of the lock tube, a cone block is arranged below the center rod, the upper end of the cone block is passed through the interior of the lock tube, a plurality of rectangular holes are opened on the outer surface of the lock tube, force plates are passed through the rectangular holes, and the cone block is designed to transmit axial pressure through the center rod. When the cone block enters the interior of the lock tube, it can squeeze the force plate, thereby realizing multi-point distributed uniform locking and further improving the fixing strength.

[0014] As a further solution of the present invention, a passive plug is slidably installed on the inner end of the heated cylinder, the left end of the passive plug is fixedly connected to the right end of the moving rod, the passive plug and the heated cylinder are connected by a reset spring, and an active plug is slidably installed on the inner end of the heated cylinder, and a screw is fixedly installed on the right end of the active plug.

[0015] As a further solution of the present invention, a passive gear is rotatably installed at the inner end of the connecting box, a sleeve is fixedly installed at the left end of the passive gear, and the sleeve is threadedly sleeved on the outer surface of the screw, and a crown gear is rotatably installed at the inner bottom end of the connecting box, and the crown gear is meshed with the passive gear. The meshing design of the passive gear and the crown gear ensures smooth transmission of force during the transmission process. Combined with the threaded cooperation of the screw and the sleeve, it helps to reduce friction, improve the transmission efficiency of the system, and avoid energy loss.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes the rapid fixation of the photovoltaic panel by respectively passing the latch and the locking rod through the upper sealing cover and the bottom ring, and then bending the locking rod. After the locking rod is bent, it forms a firm mechanical lock with the bottom ring, ensuring that the photovoltaic panel can be stably fixed during operation, effectively coping with the influence of the external environment such as wind load or vibration, without complex tools and high technical requirements, and only a simple bending action is required to complete the installation, which is convenient for the operation of on-site installation workers; 2. The present invention can effectively absorb or release mechanical stress caused by temperature changes by dynamically adjusting the size of the holes around the pin according to the thermal expansion characteristics of the metal, and prevent deformation, cracking or damage of connecting parts due to excessive expansion or contraction. Stability and reliability can be maintained regardless of whether it is in high-temperature tropical areas or low-temperature cold areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a connection structure for quick connection of photovoltaic panels; Figure 2 This is a schematic diagram of the structure of the photovoltaic panel detached from the support frame; Figure 3 It is a structural schematic diagram of the position relationship between the plug and the connection box; Figure 4 It is a schematic diagram of the structure inside the connection box; Figure 5 This is a disassembled diagram of the locking device; Figure 6 It is a structural schematic diagram of the positional relationship between the annular capsule and the bottom ring; Figure 7 It is a structural schematic diagram of the position relationship between the passive ring and the card plate; Figure 8 It is a schematic diagram of the structure of the arc-shaped hole in the connection box; Fig. 9 This is the relationship diagram between the bottom ring and the lock tube position; Fig.10 It is a schematic diagram of the internal structure of the lock tube; Fig.11 This is a schematic diagram of the enlarged structure inside the lock tube; Fig.12 Schematic diagram of the internal structure of the heating cylinder.

[0018] In the figure: 1. Support frame; 2. Photovoltaic panel; 3. Connection box; 4. Plug; 101, card slot; 102, locking rod; 103, lock hole; 201, heating cylinder; 202, moving rod; 203, cross rod; 204, force storage spring; 205, arc hole; 206, return spring; 207, passive plug; 208, active plug; 209, crown gear; 210, passive gear; 211, screw; 301, upper sealing cover; 302, extrusion block; 303, bottom ring; 304, force ring; 305, inner support plate; 306, outer support ring; 307, passive ring; 308, threaded ring; 309, driving cylinder; 310, clamping plate; 311, annular capsule; 312, sleeve ring; 313, rack; 314, locking tube; 401, unlocking column; 402, locking plate; 403, synchronization rod; 404, driving rod; 405, limit plate; 406, center rod; 407, force plate; 408, cone block; 409, clamping spring; 410, triangular block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1 - Figure 4 A connection structure for quick connection of photovoltaic panels includes a support frame 1, a photovoltaic panel 2 is arranged above the support frame 1, a plurality of connection boxes 3 are fixedly installed on the upper end of the support frame 1 by bolts, and the connection boxes 3 are respectively arranged at four corners below the photovoltaic panel 2, a plurality of plugs 4 are rotatably installed on the bottom end of the photovoltaic panel 2, the plugs 4 correspond to the connection boxes 3 respectively, an upper sealing cover 301 is fixedly welded on the upper end of the connection box 3, the diameter of the upper sealing cover 301 is larger than the diameter of the plug 4, a locking device is arranged inside the connection box 3 for facilitating quick fixing of the plug 4, and the inner right end of the connection box 3 The heating tube 201 is fixedly installed by a clamp, and the heating tube 201 and the connecting box 3 are both made of stainless steel, and the outer surface of the connecting box 3 is coated with camouflage paint, and a bottom ring 303 is rotatably installed at the bottom end of the connecting box 3, and a locking rod 102 is rotatably installed at the bottom end of the plug 4 through a rotating shaft. The length of the plug 4 is greater than the thickness of the connecting box 3, so after the plug 4 and the locking rod 102 are respectively passed through the upper sealing cover 301 and the bottom ring 303, the locking rod 102 is bent, thereby realizing the rapid fixation of the photovoltaic panel 2, which is simple and convenient, and avoids the cumbersome steps of fixing with screws.

[0021] The locking device includes an outer support ring 306, which is fixedly installed at the lower end of the upper sealing cover 301. A plurality of inner support plates 305 are arranged under the upper sealing cover 301. The inner support plates 305 are arranged in a ring shape, and two adjacent inner support plates 305 are connected by a traction line, and the outer surface of the inner support plate 305 is sleeved with an annular capsule 311. The annular capsule 311 is made of soft rubber material and has good anti-aging and corrosion resistance. It can also withstand high temperature. The upper half of the annular capsule 311 is wrapped by the outer support ring 306, and the lower half is exposed. The interior of the annular capsule 311 is filled with fine sand. When the annular capsule 311 is squeezed, the gap between the internal fine sand becomes smaller, making the annular capsule 311 hard as a whole, and then the outer surface of the inner support plate 305 is squeezed. Specifically, the annular capsule 311 first squeezes the inner support plate 3 05, so that it contacts the outer surface of the latch 4, and then the fine sand inside the annular bag 311 can no longer fill the gap, thereby causing the gap inside the fine sand to decrease, and the inner end of the inner support plate 305 is fixedly installed with a non-slip rubber pad to prevent slipping when it contacts the outer surface of the latch 4, and the upper end of the bottom ring 303 is fixedly installed with a driving cylinder 309, the inner end thread sleeve of the driving cylinder 309 is provided with a threaded ring 308, and the upper end of the threaded ring 308 is fixedly welded with a plurality of pushing plates, and a plurality of extrusion blocks 302 are arranged under the annular bag 311, and the extrusion blocks 302 are fixedly welded to the threaded ring 308. Specifically, the upper end of the extrusion block 302 is a concave arc shape, so when the extrusion block 302 moves upward, it contacts the bottom end of the annular bag 311 through the concave arc area, so that the annular bag 311 can be effectively prevented from bulging outward during the upward movement of the extrusion block 302.

[0022] Example 2: Please refer to Figure 3 - Figure 7 , a connection structure for quick connection of photovoltaic panels, which is different from embodiment 1 in that a passive ring 307 is rotatably installed at the inner end of the connection box 3, and the passive ring 307 and the annular capsule 311 are on the same axis. A plurality of card plates 310 are slidably installed at the bottom end of the outer support ring 306, and the card plates 310 are arranged in an annular shape, and the card plates 310 are located inside the passive ring 307. A card groove 101 is opened on the outer surface of the plug 4, and the card plate 310 corresponds to the card groove 101. Specifically, a plurality of arc-shaped protrusions are fixedly installed at the inner end of the passive ring 307, and the arc-shaped protrusions are connected to the card plate 3 10, when the passive ring 307 rotates, the arc-shaped protrusion inside contacts the outer surface of the card plate 310, and the card plate 310 moves toward the direction of the annular capsule 311 through the extrusion of the slope surface, and the extrusion block 302 is clamped between two adjacent card plates 310, so that when the driving cylinder 309 rotates, the threaded ring 308 will not rotate with the driving cylinder 309, and the bottom end of the bottom ring 303 is provided with an arc groove. When the latch pin 4 is inserted into the inside of the annular capsule 311, the locking rod 102 rotates, and the outer surface is then clamped in the arc groove; A moving rod 202 is penetrated at the left end of the heating cylinder 201, and a locking plate 402 is fixedly welded at one end of the moving rod 202 away from the heating cylinder 201. A force ring 304 is sleeved on the outer surface of the annular capsule 311. The force ring 304 is made of metal and has a certain elasticity. The force ring 304 is sleeved on the outer surface of the annular capsule 311. A cross rod 203 is rotatably installed at one end of the locking plate 402 away from the moving rod 202, and two extension rods are rotatably installed at one end of the cross rod 203 away from the moving rod 202, and the two moving rods 202 are rotatably connected to the front and rear ends of the force ring 304 respectively. When the moving rod 202 moves to the right and pulls the cross rod 203 to move through the locking plate 402, the cross rod 203 will pull the two end points of the right end of the force ring 304 together during the movement, so that it can apply more clamping force to the annular capsule 311. like Figure 8 - Fig.11 As shown, two arc holes 205 are provided at the upper end of the connection box 3, and a lock tube 314 is fixedly installed at the right end of the bottom ring 303. The upper end of the lock tube 314 is passed through the arc hole 205 close to the passive ring 307, and a synchronization rod 403 is passed through the arc hole 205 away from the passive ring 307. An unlocking column 401 is installed at the upper end of the synchronization rod 403, and the unlocking column 401 is fixedly welded at the upper end of the moving rod 202. A bayonet is provided at the rear end of the lock plate 402, and the unlocking column 401 is snapped into the bayonet, so that the current moving rod 202 cannot move.

[0023] The inner end of the lock tube 314 is penetrated by a center rod 406, and a cone block 408 is arranged below the center rod 406. The upper end of the cone block 408 is penetrated by the interior of the lock tube 314. Limiting rings are fixedly installed at both ends of the inner upper end of the lock tube 314. A limiting block is fixedly installed on the upper end of the cone block 408. The limiting block and the cone block 408 are fixedly welded by a connecting column. The limiting block is located inside the lock tube 314 and above the limiting ring at the lower inner side of the lock tube 314. The cone block 408 droops and can swing freely. A locking hole 103 is provided on the outer surface of the locking rod 102. Then, when the locking rod 102 rotates, the locking hole 103 on its outer surface is first sleeved on the outer surface of the cone block 408, and then sleeved on the outer surface of the lock tube 314. During the rotation of the locking rod 102, the movement trajectory of the locking hole 103 is arc-shaped, and it cannot be directly sleeved on the outer surface of the lock tube 314 in a vertical state. The cone block 408 here plays a guiding role. like Fig. 9 - Fig.11As shown, the outer surface of the lock tube 314 is provided with a plurality of rectangular holes, and a force-bearing plate 407 is inserted in each of the rectangular holes. The outer surface of the force-bearing plate 407 is provided with a certain protrusion, so that when the lock hole 103 is sleeved on the outer surface of the lock tube 314, the protrusion on the outer surface of the force-bearing plate 407 contacts the inner wall of the lock hole 103, and a triangular block 410 is fixedly installed on one end of the force-bearing plate 407 close to the center rod 406, and a locking groove is provided on the outer surface of the center rod 406. Then, when the triangular block 410 is inserted into the locking groove and squeezed at the slope of the outer surface of the triangular block 410, the center rod 406 can move upward, and the force-bearing plate 407 and the center rod 406 are connected by a clamping spring 409; The upper end of the center rod 406 is fixedly welded with a limit plate 405, and the limit plate 405 is located above the limit ring at the inner upper end of the lock tube 314. The upper end of the limit plate 405 is fixedly welded with a drive rod 404, and a circular hole is opened at the upper end of the drive rod 404. The left end of the synchronization rod 403 is fixedly installed with a cylinder, and the cylinder is penetrated into the inside of the circular hole. If the bottom end of the center rod 406 is not clamped by the triangular block 410 at this time, the center rod 406 at this time will swing inside the lock tube 314. At this time, the upper drive rod 404 cannot effectively drive the synchronization rod 403 to move. When the lock tube 314 moves along the trajectory of the arc hole 205, the circular hole at the upper end of the drive rod 404 can directly break away from the sleeve of the cylinder. When the bottom end of the center rod 406 is clamped by the triangular block 410, the upper and lower ends of the center rod 406 are fixed and no longer shake, and the synchronization rod 403 can be driven to move.

[0024] The upper end of the lock tube 314 is fixedly sleeved with a collar 312, and one end of the collar 312 away from the synchronization rod 403 is fixedly connected to a rack 313, and the teeth on the outer surface of the rack 313 are triangular, and the outer surface of the passive ring 307 is fixedly installed with a plurality of teeth, and the teeth on the outer surface of the passive ring 307 are arranged in a ring shape, and the teeth on the outer surface of the passive ring 307 are meshed with the rack 313, and the rack 313 is made of metal with elasticity, so when the lock tube 314 moves along the arc hole 205, it can slide smoothly along the teeth on the outer surface of the passive ring 307, and the lock tube 314 is connected to the inside of the arc hole 205 through the storage spring 204; like Fig.12As shown, a passive plug 207 is slidably installed at the inner end of the heated cylinder 201, and the left end of the passive plug 207 is fixedly connected to the right end of the moving rod 202 by bolts, and the passive plug 207 is connected to the heated cylinder 201 by a reset spring 206, and an active plug 208 is slidably installed at the inner end of the heated cylinder 201, and the outer surfaces of the passive plug 207 and the active plug 208 are fixedly sleeved with sealing rubber rings, and are in close contact with the inner wall of the heated cylinder 201 to increase the sealing performance, and the chamber between the passive plug 207 and the active plug 208 is filled with silicone oil, and the thermal expansion coefficient of the silicone oil is similar to that of the latch 4, and a screw 211 is fixedly installed at the right end of the active plug 208, and a rectangular groove is opened on the outer surface of the screw 211, and a rectangular block is fixedly installed at the inner end of the heated cylinder 201, and the rectangular block is inserted into the rectangular groove to prevent the screw 211 from rotating; A passive gear 210 is rotatably installed at the inner end of the connecting box 3, and a sleeve is fixedly installed at the left end of the passive gear 210, and the sleeve is threadedly sleeved on the outer surface of the screw 211. A crown gear 209 is rotatably installed at the inner bottom end of the connecting box 3, and the crown gear 209 is meshed with the passive gear 210. A knob is rotatably installed at the bottom end of the connecting box 3, and the upper end of the knob is fixedly connected to the bottom end of the crown gear 209. By slightly rotating the knob, the crown gear 209 drives the passive gear 210 to rotate, and then the screw 211 drives the active plug 208 to move slightly to the left or right, thereby adjusting the space size of the silicone oil inside the heating tube 201. In this case, the silicone oil in the heating tube 201 needs to reach a sufficiently high temperature and go through a long heating time before it can push the passive plug 207 to move. In this way, the value of the thermal expansion change can be flexibly adjusted according to the on-site environment and climatic conditions.

[0025] The working principle of the present invention is: When in use, the latches 4 at the four corners of the photovoltaic panel 2 are respectively inserted into the corresponding inner support plate 305, and then the locking rod 102 is moved to make it perpendicular to the latch 4, and then the locking hole 103 on the outer surface of the locking rod 102 is inserted into the outer surface of the lock tube 314, and the protrusion on the outer surface of the force plate 407 contacts the inner wall of the locking hole 103. Then, when the triangular block 410 is inserted into the locking groove, the central rod 406 can move upward under the pressure of the slope of the outer surface of the triangular block 410. At this time, the upper and lower ends of the central rod 406 are fixed and no longer shake; Then, the locking rod 102 is rotated to realize the installation and fixation of the photovoltaic panel 2. During the rotation of the locking rod 102, the bottom ring 303 also rotates and drives the driving cylinder 309 to rotate. At this time, the threaded ring 308 also moves upward and squeezes the annular capsule 311 through the squeezing block 302, so that the gap between the fine sand inside the annular capsule 311 is reduced, and the outer surface of the annular capsule 311 becomes hard. Then, during the squeezing process of the annular capsule 311, the outer surface of the latch pin 4 is clamped by the inner end of the inner support plate 305; At the same time, when the bottom ring 303 rotates, the lock tube 314 is driven to slide along the inside of the arc hole 205, and the force storage spring 204 is compressed. When the lock tube 314 moves along the arc hole 205, the rack 313 can slide smoothly along the teeth on the outer surface of the passive ring 307, and then the triangular teeth on the outer surface of the passive ring 307 are engaged with the triangular teeth on the outer surface of the rack 313. At this time, the force storage spring 204 cannot release its elastic force. The latch 4 is in a high temperature environment for a long time and begins to expand slightly, and the silicone oil inside the heated cylinder 201 also begins to expand due to the heat, and drives the lock plate 402 to move to the left through the moving rod 202, so that the cross rod 203 also moves to the left, and the force ring 304 becomes loose, so that the stress on the annular bag 311 is reduced, so that the latch 4 has a certain expansion space during the expansion process, which prevents the connection point from being damaged by force and increases the probability of damage; If the annular bag 311 is damaged during long-term use, so that the fine sand inside is exposed, since the card plate 310 is always in contact with the outer surface of the annular bag 311, at this time, the force storage spring 204 releases its elastic force and drives the lock tube 314 to move, so that the rack 313 drives the passive ring 307 to rotate, and the card plate 310 is squeezed by the slope surface of the arc-shaped protrusion inside the passive ring 307, so that the card plate 310 moves toward the direction of the pin 4, and finally is engaged with the inside of the card groove 101 on the outer surface of the pin 4, which effectively prevents the photovoltaic panel 2 from being blown away by strong winds.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed in the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A photovoltaic panel quick connection structure, comprising a support frame (1), characterized in that: A photovoltaic panel (2) is arranged above the support frame (1); a plurality of connection boxes (3) are fixedly installed on the upper end of the support frame (1) by means of bolts, and the connection boxes (3) are respectively arranged at four corners below the photovoltaic panel (2); a plurality of latches (4) are rotatably installed on the bottom end of the photovoltaic panel (2), and the latches (4) respectively correspond to the connection boxes (3); an upper sealing cover (301) is fixedly installed on the upper end of the connection box (3); and a sealing cover (301) is arranged inside the connection box (3) to facilitate the latches (4) to be inserted into the connection box (3). ) a locking device for quick fixation, wherein a heating tube (201) is fixedly mounted on the right inner end of the connection box (3) via a clamp, a bottom ring (303) is rotatably mounted on the bottom end of the connection box (3), and a locking rod (102) is rotatably mounted on the bottom end of the latch (4) via a rotating shaft. After the latch (4) and the locking rod (102) are respectively passed through the upper sealing cover (301) and the bottom ring (303), the locking rod (102) is bent, thereby realizing quick fixation of the photovoltaic panel (2).

2. A photovoltaic panel quick connection structure according to claim 1, characterized in that: The locking device comprises an outer support ring (306), wherein the outer support ring (306) is fixedly mounted on the lower end of the upper sealing cover (301), and a plurality of inner support plates (305) are arranged below the upper sealing cover (301), wherein the inner support plates (305) are arranged in a ring shape, and an annular bag (311) is sleeved on the outer surface of the inner support plate (305), and the interior of the annular bag (311) is filled with fine sand. When the annular bag (311) is squeezed, the gap between the fine sand inside becomes smaller, so that the annular bag (311) becomes hard as a whole, and then the outer surface of the inner support plate (305) is squeezed.

3. A photovoltaic panel quick connection structure according to claim 2, characterized in that: A driving cylinder (309) is fixedly mounted on the upper end of the bottom ring (303); a threaded ring (308) is threadedly sleeved on the inner end of the driving cylinder (309); and a plurality of push plates are fixedly mounted on the upper end of the threaded ring (308); and a plurality of extrusion blocks (302) are arranged below the annular bag (311), and the extrusion blocks (302) are fixedly connected to the threaded ring (308).

4. A photovoltaic panel quick connection structure according to claim 3, characterized in that: A passive ring (307) is rotatably mounted on the inner end of the connection box (3), and the passive ring (307) and the annular capsule (311) are located on the same axis. A plurality of clamping plates (310) are slidably mounted on the bottom end of the outer support ring (306), and the clamping plates (310) are arranged in an annular shape and are located inside the passive ring (307). A moving rod (202) is passed through the left end of the heating cylinder (201), and a locking plate (402) is fixedly mounted on the end of the moving rod (202) away from the heating cylinder (201). A force ring (304) is sleeved on the outer surface of the annular capsule (311), and the force ring (304) is sleeved on the outer surface of the annular capsule (311).

5. A photovoltaic panel quick connection structure according to claim 4, characterized in that: The cross rod (203) is rotatably mounted on one end of the locking plate (402) away from the moving rod (202), and two extension rods are rotatably mounted on one end of the cross rod (203) away from the moving rod (202), and the two moving rods (202) are rotatably connected to the front and rear ends of the force ring (304) respectively. When the moving rod (202) moves to the right and pulls the cross rod (203) to move through the locking plate (402), the cross rod (203) will pull the two end points of the right end of the force ring (304) to gather together during the movement.

6. A photovoltaic panel quick connection structure according to claim 5, characterized in that: The upper end of the connection box (3) is provided with two arc-shaped holes (205); a lock tube (314) is fixedly mounted on the right end of the bottom ring (303); the upper end of the lock tube (314) is inserted into the arc-shaped hole (205) close to the passive ring (307); and a synchronization rod (403) is inserted into the arc-shaped hole (205) away from the passive ring (307).

7. A photovoltaic panel quick connection structure according to claim 6, characterized in that: An unlocking column (401) is installed at the upper end of the synchronization rod (403), and an unlocking column (401) is fixedly installed at the upper end of the moving rod (202). A bayonet is provided at the rear end of the lock plate (402), and the unlocking column (401) is engaged in the bayonet, so that the moving rod (202) cannot move.

8. A photovoltaic panel quick connection structure according to claim 7, characterized in that: A center rod (406) is passed through the inner end of the lock tube (314), a cone block (408) is provided below the center rod (406), the upper end of the cone block (408) is passed through the interior of the lock tube (314), and a plurality of rectangular holes are provided on the outer surface of the lock tube (314), each of which is provided with a force-bearing plate (407).

9. A photovoltaic panel quick connection structure according to claim 1, characterized in that: A passive plug (207) is slidably mounted on the inner end of the heating cylinder (201); the left end of the passive plug (207) is fixedly connected to the right end of the moving rod (202); the passive plug (207) and the heating cylinder (201) are connected via a return spring (206); an active plug (208) is slidably mounted on the inner end of the heating cylinder (201); and a screw rod (211) is fixedly mounted on the right end of the active plug (208).

10. A photovoltaic panel quick connection structure according to claim 9, characterized in that: A passive gear (210) is rotatably mounted on the inner end of the connection box (3); a sleeve is fixedly mounted on the left end of the passive gear (210), and the sleeve is threadedly sleeved on the outer surface of the screw rod (211); a crown gear (209) is rotatably mounted on the inner bottom end of the connection box (3), and the crown gear (209) is meshed with the passive gear (210).

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