Abstract: A photovoltaic support spindle, including at least a long shaft, where the long shaft includes a first flat panel, a second flat panel, a third flat panel, a first arc panel, a second arc panel, and a third arc panel; the first arc panel is connected between the second flat panel and the third flat panel; the second arc panel is connected between the first flat panel and the second flat panel; and the third arc panel is connected between the first flat panel and the third flat panel. The first arc panel, the second arc panel and the third arc panel are three arc surfaces distributed on a same cylindrical surface. The disclosure saves a material, reduces a cost and improves a bending resistance.

Abstract: A synchronous driving device includes a driving source and a driving drive mechanism. The driving drive mechanism includes a first housing and a driving transmission assembly arranged in the first housing and engaged in transmission. The driving transmission assembly includes an input shaft, a first output shaft, a second output shaft, a third output shaft and a fourth output shaft. A driving end of the driving source is connected with the input shaft. Both the third output shaft and the fourth output shaft are perpendicular to the first output shaft and the second output shaft. The first output shaft, the second output shaft, the third output shaft and the fourth output shaft are configured to be driven by the driving source to rotate synchronously. A photovoltaic tracking bracket system having the synchronous driving device is also disclosed.

Abstract: A beam includes a flat plate and an elliptical curved plate, each of both ends of the flat plate are respectively fixedly connected to a corresponding end of the elliptical curved plate to form a ring shape, and a plane where the flat plate is located is perpendicular to a long axis of an ellipse where the elliptical curved plate is located. Also provided is the use of the beam in a solar tracking bracket that includes the beam; a post; and a bearing seat comprising a bearing ring, a Z-shaped support plate and a bottom plate connected sequentially. The Z-shaped support plate has a Z-shaped cross section, the beam is installed inside the bearing ring, the flat plate of the beam faces a solar module, and the bottom plate is connected to the post.

Abstract: A torque tube with a pentagonal cross-section includes a tube body and a cavity disposed in the tube body. The cross-section of the tube body of the length direction is a convex pentagon including a first side, a second side, a third side, a fourth side, and a fifth side that are connected end to end in a circumferential direction to form a closed structure. The tube body is a symmetrical structure with a perpendicular bisector of the third side as an axis, such that the second side is symmetrical with the fourth side, the first side is symmetrical with the fifth side, and the second side and the fourth side are vertically connected to the third side. A solar structure is further provided. The special pentagonal structure of the torque tube provides an additional cross-section for selection while ensuring strength and flexural performance and saving on material costs.

Abstract: Disclosed are a main beam and a use thereof and a photovoltaic tracking bracket, wherein the main beam includes a flat plate and an elliptical curved plate, each of both ends of the flat plate are respectively fixedly connected to a corresponding end of the elliptical curved plate to form a ring shape, and a plane where the flat plate is located is perpendicular to a long axis of an ellipse where the elliptical curved plate is located. Also provided is the use of the main beam in the photovoltaic tracking bracket. The photovoltaic tracking bracket includes the main beam; a stand column; and a bearing seat comprising a bearing ring, a Z-shaped support plate and a bottom plate connected sequentially from top to bottom, wherein the Z-shaped support plate has a Z-shaped cross section, the main beam is installed inside the bearing ring, the flat plate of the main beam faces a photovoltaic assembly, and the bottom plate is connected to the stand column.

Abstract: The present invention provides a full-azimuth irradiation tracking method, a detection apparatus, and a solar tracker. The method comprises: acquiring a multi-azimuth irradiation data combination in a full-azimuth irradiation tracking mode; calculating a target tracking angle with a maximum irradiation amount among a plurality of azimuths according to the multi-azimuth irradiation data combination, and rotating the solar tracker according to the target tracking angle; collecting irradiation data at a position reached after the solar tracker is rotated, and calculating and analyzing whether the solar tracker is rotated and reaches a target position corresponding to the target tracking angle; and when the solar tracker is rotated and reaches the target position corresponding to the target tracking angle, controlling the solar tracker to maintain for a preset time at the target position.

Abstract: Disclosed are a main beam and a use thereof and a photovoltaic tracking bracket, wherein the main beam includes a flat plate and an elliptical curved plate, each of both ends of the flat plate are respectively fixedly connected to a corresponding end of the elliptical curved plate to form a ring shape, and a plane where the flat plate is located is perpendicular to a long axis of an ellipse where the elliptical curved plate is located. Also provided is the use of the main beam in the photovoltaic tracking bracket. The photovoltaic tracking bracket includes the main beam; a stand column; and a bearing seat comprising a bearing ring, a Z-shaped support plate and a bottom plate connected sequentially from top to bottom, wherein the Z-shaped support plate has a Z-shaped cross section, the main beam is installed inside the bearing ring, the flat plate of the main beam faces a photovoltaic assembly, and the bottom plate is connected to the stand column.

Abstract: A beam includes a flat plate and an elliptical curved plate, each of both ends of the flat plate are respectively fixedly connected to a corresponding end of the elliptical curved plate to form a ring shape, and a plane where the flat plate is located is perpendicular to a long axis of an ellipse where the elliptical curved plate is located. Also provided is the use of the beam in a solar tracking bracket that includes the beam; a post; and a bearing seat comprising a bearing ring, a Z-shaped support plate and a bottom plate connected sequentially. The Z-shaped support plate has a Z-shaped cross section, the beam is installed inside the bearing ring, the flat plate of the beam faces a solar module, and the bottom plate is connected to the post.