CN207380562U - A kind of photovoltaic panel sun-following device - Google Patents

Abstract

The utility model relates to the technical field of solar power generation, and in particular provides a photovoltaic panel solar tracking device, which includes a photovoltaic panel, a light sensor, a support rod, a component for controlling elevation angle change, a component for controlling azimuth angle change, and a master control box. The sensor, the photovoltaic panel is rotatably connected to the support rod, and the component for controlling the elevation angle change includes a screw push rod and an elevation angle motor. The elevation angle motor controls the expansion and contraction of the screw push rod. The azimuth angle change component includes an azimuth motor and a gear plate. The azimuth motor controls the rotation of the gear plate. The gear plate is fixedly connected to the support rod, thereby controlling the rotation of the support rod in the horizontal direction. The support rod drives the photovoltaic panel to rotate in the horizontal direction. The box controls the start and stop of the elevation angle motor and the azimuth angle motor according to the data received from the light sensor. The utility model can make the photovoltaic panel always perpendicular to the light when there is light, thereby improving the utilization rate of solar energy.

Description

A photovoltaic panel solar tracking device

technical field

The utility model relates to the technical field of solar power generation, and in particular provides a solar tracking device for a photovoltaic panel.

Background technique

At present, the photovoltaic panels of photovoltaic power plants are fixed, and the angle of receiving sunlight is always the same. Since the sun rises in the east and sets in the west every day, the sunlight received in the morning and evening is weak, and the solar energy cannot be fully utilized.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a solar tracking device for photovoltaic panels, which enables the photovoltaic panels to rotate as the angle of sunlight irradiates, so that the sunlight is always directly irradiating the photovoltaic panels, thereby improving the utilization of solar energy. Rate.

The utility model is achieved in this way. A photovoltaic panel solar tracking device includes a photovoltaic panel, a light sensor, a support rod, a component for controlling elevation angle change, a component for controlling azimuth angle change, and a master control box. It is rotatably connected to the support rod, and the component for controlling the elevation angle change includes a screw push rod and an elevation motor. The elevation motor is connected to control the expansion and contraction of the screw push rod. The change component includes an azimuth motor and a gear plate. The azimuth motor is connected to control the rotation of the gear plate. The gear plate is fixedly connected to the support rod to control the rotation of the support rod in the horizontal direction. The support rod drives the photovoltaic panel to rotate in the horizontal direction. The box controls the start and stop of the elevation angle motor and the azimuth angle motor according to the data received from the light sensor.

Further, the light sensor includes four identical miniature photovoltaic panels and a middle cylinder, the four miniature photovoltaic panels are installed crosswise around the middle cylinder, and the four miniature photovoltaic panels are respectively connected to the master control box.

Further, the plane where the four miniature photovoltaic panels are located is parallel to the plane where the photovoltaic panel is located.

Further, the photovoltaic panel is connected to the support rod through a bearing.

Further, the elevation angle control assembly further includes an elevation angle motor bracket, the elevation angle motor bracket is fixed on the support rod, and the elevation angle motor is arranged on the elevation angle motor bracket.

Further, the control azimuth angle change assembly further includes a connecting rod, which connects the support rod and the gear plate.

Further, there are two connecting rods.

Further, the photovoltaic panel solar tracking device also includes a base, the master control box and the azimuth control motor are arranged on the base, and the bottom end of the support rod is rotatably connected to the base.

Compared with the prior art, the utility model has the advantages that the photovoltaic panel can always be perpendicular to the light when there is light, and the utilization rate of solar energy can be improved.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the enlarged structure of the optical sensor of the present invention;

Fig. 3 is a structural schematic diagram of the utility model photovoltaic panel viewed from above.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a photovoltaic panel solar tracking device, including a photovoltaic panel 1, a light sensor 2, a support rod 3, an elevation control component, an azimuth control component and a master control box 8. The photosensor 2 is set on the photovoltaic panel 1, and the photovoltaic panel 1 is rotatably connected to the support rod 3. The component for controlling the elevation angle change includes the screw push rod 4 and the elevation angle motor 5. The elevation angle motor 5 is connected and controls the expansion and contraction of the screw push rod 4. The screw push rod 4 is connected with the photovoltaic panel 1 to control the change of the elevation angle of the photovoltaic panel 1. The component for controlling the azimuth angle change includes an azimuth motor 6 and a gear plate 7. The azimuth motor 6 is connected to control the rotation of the gear plate 7, and the gear plate 7 is fixed. Connected to the support rod 3, thereby controlling the rotation of the support rod 3 in the horizontal direction, the support rod 3 drives the photovoltaic panel 1 to rotate in the horizontal direction, and the master control box 8 controls the elevation angle motor 5 and the azimuth angle motor according to the data received from the optical sensor 2 6 on and off.

When the utility model is utilized to collect solar energy, the optical sensor 2 (four-control fuzzy detection) sends the voltage generated by the detected light intensity to the master control box 8, and the master control box 8 judges whether to control the elevation angle motor 5 or the azimuth according to the magnitude of the voltage The angle motor 6 starts, and the elevation angle motor 5 rotates and pushes the screw to make the screw push rod 4 stretch or shrink, which drives the elevation angle of the photovoltaic panel 1 to change; the azimuth angle motor 6 drives the gear plate 7 to rotate, so that the photovoltaic panel 1 changes the horizontal orientation. Master control box 8 also carries out program calculation in addition, sunset automatically returns to the east (initial state).

In order to accurately capture the position of the sun, as an improvement of the technical solution, with reference to Fig. 2, the light sensor 2 includes four identical miniature photovoltaic panels 21 and a middle cylinder 22, and the four miniature photovoltaic panels 21 are mounted crosswise around the middle cylinder 22, Four miniature photovoltaic panels 21 are respectively connected to the master control box 8; when the sun falls on the horizon and the voltage output of the four miniature photovoltaic panels 21 in the light sensor 2 is zero, the light sensor 2 continuously transmits a low-level signal to the master control box 8 , the azimuth motor 6 automatically returns to the initial state under the control of the master control box 8, and waits for the sun to rise the next day.

In order not to make the photovoltaic panel 1 block the sensor 2, as an improvement of the technical solution, the plane where the four miniature photovoltaic panels 21 are located is parallel to the plane where the photovoltaic panel 1 is located.

As a specific implementation, referring to FIG. 3 , the photovoltaic panel 1 is connected to the support rod 3 through a bearing. 12 is provided with elevation angle swing control rod 13 up and down, is connected with described screw push rod 4, and bearing 14 is arranged on the middle beam of I-shaped connecting plate 12, is connected with described support rod 3.

In order to make the control elevation change assembly better fixed on the support rod 3, as an improvement of the technical solution, the control elevation change assembly also includes an elevation motor bracket 11, and the elevation motor support 11 is fixed on the support rod 3, the The elevation angle motor 5 is arranged on the elevation angle motor support 11 .

In order to better connect the control azimuth angle change assembly with the support rod 3, as an improvement of the technical solution, the control azimuth angle change assembly further includes a connecting rod 12, which connects the support rod 3 and the gear plate 7 . For balance, two connecting rods 12 are provided.

In order to fix more stably, as an improvement of the technical solution, the photovoltaic panel solar tracking device also includes a base 13, the master control box 8 and the azimuth control motor 6 are arranged on the base 13, and the bottom end of the support rod 3 It is rotatably connected with the base 13 .

Claims (8)

1. A photovoltaic panel solar tracking device, characterized in that it comprises a photovoltaic panel, a light sensor, a support rod, a control elevation angle change assembly, a control azimuth angle change assembly and a master control box, a light sensor is arranged on the photovoltaic panel, and the photovoltaic panel is rotatable The ground is connected to the support rod, and the components for controlling the elevation change include the screw push rod and the elevation motor. It includes an azimuth motor and a gear plate. The azimuth motor is connected to control the rotation of the gear plate. The gear plate is fixedly connected to the support rod to control the rotation of the support rod in the horizontal direction. The support rod drives the photovoltaic panel to rotate in the horizontal direction. The master control box according to The received data from the light sensor controls the start and stop of the elevation angle motor and the azimuth angle motor. 2. According to the photovoltaic panel solar tracking device according to claim 1, it is characterized in that the photosensor comprises four identical miniature photovoltaic panels and a middle cylinder, and four miniature photovoltaic panels are installed crosswise around the middle cylinder. The micro-photovoltaic panels are respectively connected to the master control box. 3. The photovoltaic panel solar tracking device according to claim 2, wherein the plane where the four miniature photovoltaic panels are located is parallel to the plane where the photovoltaic panel is located. 4. The photovoltaic panel solar tracking device according to claim 1, wherein the photovoltaic panel is connected to the support rod through a bearing. 5. The photovoltaic panel sun-tracking device according to claim 1, characterized in that, the control elevation angle change assembly also includes an elevation angle motor bracket, the elevation angle motor bracket is fixed on the support rod, and the elevation angle motor is arranged on Elevation motor bracket. 6 . The photovoltaic panel solar tracking device according to claim 1 , wherein the control azimuth angle change assembly further comprises a connecting rod, which connects the support rod and the gear plate. 7 . 7. The solar tracking device for photovoltaic panels according to claim 6, wherein there are two connecting rods. 8. The photovoltaic panel solar tracking device according to claim 1, characterized in that, the photovoltaic panel solar tracking device also includes a base, the master control box and the azimuth control motor are arranged on the base, and the support The bottom end of the rod is rotatably connected with the base.