Single-shaft photovoltaic tracking support
Technical Field
The utility model relates to a photovoltaic power generation field, in particular to support is trailed to unipolar photovoltaic.
Background
In the prior art, photovoltaic power generation is a trend and is widely applied to various places, and the photovoltaic power generation directly converts solar energy into electric energy according to the principle of photovoltaic effect. The photovoltaic tracking support is developed in order to ensure that the photovoltaic panel assembly keeps high power generation efficiency, the photovoltaic panel assembly is mounted on a main shaft, and the main shaft drives the photovoltaic panel assembly to rotate along with the movement of the sun.
In the actual installation site, due to reasons such as terrain or installation errors, the stand column is often difficult to keep the uniformity of high precision, and inconvenience is brought to the installation of the adjustable photovoltaic support.
In addition, because the lower ends of the telescopic actuating components such as the electric push rod for driving the adjustable photovoltaic support to rotate are directly hinged on the stand column, after a long time, the hinge holes on the stand column are abraded, so that the equipment is in operation failure, and the stand column is directly fixed on the ground, so that the stand column is very inconvenient to replace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unipolar photovoltaic tracking support.
According to an aspect of the present invention, there is provided a single-shaft photovoltaic tracking support, comprising a plurality of columns, a main shaft, a bearing seat, a bearing, a photovoltaic panel assembly, a damper and a telescopic actuator, wherein the photovoltaic panel assembly is connected to the bearing seat at the top end of the plurality of columns through the main shaft and can adjust the angle of the photovoltaic panel assembly at the top end of the columns through the rotation of the bearing in the bearing seat, the lower end of the telescopic actuator is connected to one of the columns through an articulated element, the upper end of the telescopic actuator is articulated to the main shaft through an oscillating arm, the oscillating arm is disposed at one side of the main shaft and is used for driving the photovoltaic panel assembly to rotate at the top end of the column, the articulated element is composed of a fixing element and an articulated seat, the fixing element is fixedly connected to the middle part of the column, and the articulated seat is articulated to the telescopic, the lower end of the damper is connected with the other upright post through the hinge piece, and the upper end of the damper is hinged with the main shaft through the swing arm.
According to the single-shaft photovoltaic tracking support adopting the technical scheme, the inclination angle of the photovoltaic panel component can be adjusted through the telescopic actuating part, so that the light receiving area of the photovoltaic solar panel is increased, and the efficiency of photovoltaic power generation is improved. The tracking bracket can eliminate position and height errors between the same group of stand columns by finely adjusting the mounting position of the bearing seat. The lower end of the telescopic actuating component is connected with the upright post through a specially designed hinge component, so that the abrasion of a hinge hole is avoided, and the hinge component only needs to be replaced without replacing the upright post even if the hinge component is abraded and loosened, so that the telescopic actuating component is very convenient to maintain. The damping force of the damper increases with increasing wind speed. Under strong wind, a damping force (damper compressed or stretched at a speed of 100 mm/S) of more than 10000N can be provided, and a damping force of 24000N can be provided at the limit. When the photovoltaic tracking support works normally, the damper can provide a small damping force to ensure that the normal operation of the equipment is not influenced.
Specifically, the middle part of the main shaft is provided with a telescopic actuating component, and two ends of the main shaft are respectively provided with a damper. From this, the overall structure of main shaft and the photovoltaic board subassembly of last installation is more stable, and wind resistance can be better.
Specifically, the stand is square tubular stand or I-shaped stand. Thus, the installation of the fixing piece is convenient.
Further, the fixing piece is tightly connected with two opposite side surfaces of the upright post. From this, the mounting installation is more firm, is difficult for the pine to take off.
Specifically, the mounting includes a mounting panel, and articulated seat is installed on the mounting panel, and the relative both sides of mounting panel have a flank respectively, and the flank is located the mounting panel homonymy and perpendicular with the mounting panel, and the flank is by relative two directions cohesion stand lateral wall to it is fixed with the stand through the bolt. The lateral wing plate can disperse the transverse pressure applied to the fixing piece by the telescopic actuating piece through the hinge seat, so that the fixing piece is more firmly installed.
Furthermore, the upright post is a square tube-shaped upright post or an I-shaped upright post, and the side wing plates are respectively and fixedly connected with two opposite side surfaces of the main shaft. The square tube-shaped upright post or the I-shaped upright post is provided with a plane side wall, so that the fixing piece is more convenient to mount.
Specifically, the side wing plate is provided with a plurality of mounting holes, and bolts penetrate through the mounting holes to be fixed with the upright posts.
Preferably, the mounting plate is perpendicular to the upright and has a width corresponding to the width of the upright. When the mounting plate is installed, one end of the mounting plate can be vertically abutted against the stand column, so that the compressive strength of the fixing piece is improved.
Specifically, the telescopic actuating component is one of an air cylinder, an oil cylinder or an electric push rod.
Preferably, the telescopic actuator is an electric push rod. The electric push rod is convenient for automatic stroke adjustment, and can adjust the angle of the photovoltaic panel assembly more accurately and finely.
Drawings
Fig. 1 is the utility model relates to an embodiment's unipolar photovoltaic tracking support's schematic structure view.
Fig. 2 is a partial structural schematic diagram of the single-axis photovoltaic tracking support in fig. 1.
Fig. 3 is a schematic view illustrating a connection structure of the damper and the hinge in fig. 2.
Fig. 4 is a schematic view of the hinge assembly shown in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 4 schematically show a single-axis photovoltaic tracking support according to an embodiment of the present invention. As shown, the apparatus includes a plurality of columns 4, a main shaft 7, a bearing block (not shown), a bearing (not shown), a photovoltaic panel assembly, a damper 8, and a telescopic actuator 3.
Wherein, photovoltaic board subassembly comprises adjustable support 5 and the photovoltaic solar panel 6 of installing on adjustable support 5.
The adjustable support 5 is connected with the bearing seats at the top ends of the plurality of upright columns 4 through the main shaft 7, and can adjust the angle of the photovoltaic panel assembly at the top ends of the upright columns 4 through the rotation of the bearings in the bearing seats.
The lower end of the telescopic actuating component 3 is connected with one of the upright posts 4 through a hinge component, and the upper end is hinged with the main shaft 7 through a swing arm 9.
The swing arm 9 is arranged on one side of the main shaft 7 and used for driving the photovoltaic panel assembly to rotate at the top end of the upright post 4.
The lower end of the damper 8 is connected with the other upright post 4 through a hinge element, and the upper end is hinged with the main shaft 7 through a swing arm 9.
The damping force of the damper 8 increases with increasing wind speed. Under strong wind, a damping force in excess of 10000N can be provided (damper 8 compressed or stretched at a speed of 100 mm/S) and a limit of 24000N can be provided. When the photovoltaic tracking support works normally, the damper can provide a small damping force to ensure that the normal operation of the equipment is not influenced.
Specifically, an electric push rod is arranged in the middle of the main shaft 7, and dampers 8 are arranged at two ends of the main shaft 7 respectively. From this, the whole heaven body structure of main shaft and the photovoltaic board subassembly of installing on it is more stable, and wind resistance can be better.
The hinge member is composed of a fixing member 1 and a hinge base 2 fixed to an upper portion of the fixing member 1.
The fixing piece 1 is fixedly connected with the middle part of the upright post 4, and the hinge seat 2 is hinged with the telescopic actuating piece 3.
Preferably, the upright 4 is a square tube-shaped upright or an i-shaped upright. Thus, the installation of the fixing piece is convenient.
Further, the fixing member 1 is fixedly coupled to opposite side surfaces of the pillar 4. Therefore, the fixing piece 1 is installed more firmly and is not easy to loosen.
In this embodiment, the fixing member 1 includes a mounting plate 12, and the hinge base is fixedly mounted on the mounting plate 12 by welding, riveting or bolting.
The mounting plate 12 has a side wing 11 on each of opposite sides.
The side wing plate 11 is positioned on the same side as the mounting plate 12 and is perpendicular to the mounting plate 11.
The side wing plate 11 embraces the side wall of the upright post 4 from two opposite directions and is fixed with the upright post 4 through a bolt 13. The side wing plate 11 can disperse the transverse pressure applied by the telescopic actuating member 3 to the fixing member 1 through the hinge seat 2, so that the fixing member 1 is installed more firmly.
In this embodiment, the upright 4 is an i-shaped upright, and the side wing plates 11 are respectively fastened to two opposite side surfaces of the upright 4. The I-shaped upright post is provided with a plane side wall, so that the fixing piece is more convenient to mount.
The side wings 11 have mounting holes 111 through which bolts 13 are passed to fix the side wings to the vertical posts 4.
Preferably, the mounting plate 12 is perpendicular to the upright 4 and has a width comparable to the width of the upright 4. One end of the mounting plate 11 can be vertically abutted against the upright post 4 when being mounted, so that the compressive strength of the fixing piece 1 is improved.
The telescopic actuator 3 is typically one of a cylinder, a cylinder or an electric push rod.
In this embodiment, the telescopic actuator 3 is an electric push rod. The electric push rod is convenient for automatic stroke adjustment, and can adjust the angle of the photovoltaic panel assembly more accurately and finely.
According to the single-shaft photovoltaic tracking support adopting the technical scheme, the inclination angle of the photovoltaic panel component can be adjusted through the telescopic actuating part, so that the light receiving area of the photovoltaic solar panel is increased, and the efficiency of photovoltaic power generation is improved. The tracking bracket can eliminate position and height errors between the same group of stand columns by finely adjusting the mounting position of the bearing seat. The lower end of the telescopic actuating component is connected with the upright post through a specially designed hinge component, so that the abrasion of a hinge hole is avoided, and the hinge component only needs to be replaced without replacing the upright post even if the hinge component is abraded and loosened, so that the telescopic actuating component is very convenient to maintain.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.