CN203490538U - Solar cell panel tracking device - Google Patents

Abstract

A solar panel tracking device includes a CCD camera array, a sunlight intensity sensing module and a processor; the CCD camera array includes a warp camera group and a latitudinal camera group, the CCD camera array is fixed by a peripheral frame, and the CCD camera array is used for Take the sun position information at different angles at the same time and send it to the processor, where the plane where the meridian camera group is located is perpendicular to the plane where the latitudinal camera group is located; the sun light intensity sensing module is connected to the processor for collecting sun light intensity information And send it to the processor; the processor is used to process and obtain the target inclination angle of the solar panel in the longitude and latitudinal direction according to the sun position information transmitted by the CCD camera array, and correct the target inclination angle according to the sun light intensity information, and put the corrected The target inclination angle is sent to the external servo system, and the inclination angle of the solar panel is adjusted through the servo system, which improves the lighting efficiency of the photovoltaic module.

Description

Solar Panel Tracking Device

technical field

The utility model relates to the technical field of solar battery panel sunward angle control, in particular to a novel solar battery panel tracking device using a CCD camera array.

Background technique

Due to the rising cost of fossil energy and people's increasing attention to the environmental pollution caused by fossil energy, the development of new energy has been gradually promoted. New technologies have continuously reduced the development cost of new energy, and more and more new energy has begun gradually used by us. As a form of new energy development, solar power has been rapidly promoted due to its simple equipment and strong flexibility. There are many ways to improve the efficiency of solar panels in a solar cell power generation system. Among them, adjusting the angle of the solar panels to the sun can increase the energy collected by the unit area of the solar cells, thereby improving the energy conversion efficiency of the entire system. In conventional photovoltaic power generation systems, controlling the angle rotation of solar panels is mainly to use sensors and processors to collect the intensity of sunlight on the spot, compare the differences in the intensity of sunlight in different directions, find out the position with the highest light intensity, and then use the servo The mechanism adjusts the rotation angle of the solar panel. However, the design of the system is relatively complicated and the cost is high, which is not conducive to the promotion of solar power generation.

Therefore, there is a need for a device that is simple in design and enables low-cost angular tracking of sunlight for moving solar panels, thereby improving the photoelectric conversion efficiency of the entire photovoltaic system.

Utility model content

The purpose of this utility model is to solve the above problems and provide a solar panel tracking device, which adopts a CCD camera array, compares the sun position information captured by the CCD camera arrays at different angles at the same time, and processes and obtains the maximum position in the longitude and latitudinal directions. Suitable for the inclination angle of the solar panel, so that the solar panel faces the sun at the most suitable angle.

In order to achieve the above object, the utility model provides a solar panel tracking device, including a CCD camera array, a sunlight intensity sensing module and a processor; the CCD camera array includes a warp camera group and a latitudinal camera group, so The CCD camera array is fixed by a peripheral frame, and the CCD camera array is used to shoot the sun position information at different angles at the same time and transmit it to the processor, wherein the plane where the meridian camera group is located is the same as the plane where the latitudinal camera group is located. The planes are perpendicular to each other; the sunlight intensity sensing module is connected to the processor for collecting sunlight intensity information and sending it to the processor; the processor is used to transmit the sun position information according to the CCD camera array , process and obtain the target inclination angle of the solar panel in the longitude and latitude, and correct the target inclination angle according to the sunlight intensity information transmitted by the sunlight intensity sensing module, and send the corrected target inclination angle to the outside The servo system is used to adjust the inclination angle of the solar panel through the servo system.

Further, the CCD camera array includes a central camera, and the central camera is arranged at the center of the meridional camera group and one end of the latitudinal camera group.

Further, the central angle of the circle surrounded by the CCD cameras of the meridional camera group is less than 180 degrees, and the central angle of the circle surrounded by the CCD cameras of the latitudinal camera group is less than 90 degrees.

Optionally, the meridional camera group includes at least 5 CCD cameras.

Optionally, the latitudinal camera group includes at least 3 CCD cameras.

Further, the sunlight intensity sensing module is composed of a photosensitive element, an analog signal processing circuit and an AD converter; the photosensitive element is used to sense the current light intensity to obtain an analog signal of the current light intensity; the analog signal processing circuit is connected with The photosensitive element is connected to the AD converter for amplifying and filtering the analog signal obtained by the photosensitive element; the AD converter is used for converting the analog signal into a digital signal and sending it to the processor.

The positive effect of the solar battery panel tracking device of the present utility model is: adopt the CCD camera array, compare the sun position information captured by the CCD camera array at different angles at the same time, and process and obtain the inclination angle most suitable for the solar battery panel in the warp and latitude directions , control the movement of the servo system, so that the solar panel faces the sun at the most suitable angle, provides a reliable way to judge the movement of the overall solar panel of the photovoltaic system, and improves the lighting efficiency of the photovoltaic module.

Description of drawings

Fig. 1 is the structural representation of the utility model solar panel tracking device;

Fig. 2 is the structural representation of the utility model CCD camera array;

Fig. 3 is a structural schematic diagram of the utility model meridian camera group;

Fig. 4 is a structural schematic diagram of the utility model latitudinal camera group;

FIG. 5 is a schematic diagram of the structure of the sunlight intensity sensing module of the present invention.

Detailed ways

A solar panel tracking device of the present invention will be described in detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , a solar panel tracking device includes a CCD camera array 1 , a sunlight intensity sensing module 2 and a processor 3 . Among them, CCD (Charge Coupled Device, charge coupled device or charge coupled device image sensor) is a semiconductor device that can sense light and convert the image into a digital signal.

Referring to Fig. 2-Fig. 4, the CCD camera array 1 includes a meridional camera group 11 and a latitudinal camera group 12, the CCD camera array 1 is fixed by a peripheral frame (not shown in the figure), and the CCD camera array 1 It is used to capture the sun position information at different angles at the same time and send it to the processor 3 .

The plane where the meridian camera group 11 is located is perpendicular to the plane where the latitudinal camera group 12 is located. The CCD camera array 1 includes a center camera 13, which is arranged at the center of the meridional camera group 11 and an end of the latitudinal camera group 12, and is the array center of the CCD camera array 1. During installation, the center camera 13 is first upwards, so that the cameras of the meridian camera group 11 face the direction of the sun at noon (generally facing south); camera13.

The CCD cameras of the meridian camera group 11 are evenly distributed in the meridian circular array, and the angle of the center of the circle is less than 180 degrees; the CCD cameras of the latitudinal camera group 12 are evenly distributed in the latitudinal circular array , and the enclosed central angle is less than 90 degrees. The angle of the central angle surrounded by the CCD cameras in the meridian camera group 11 and the latitudinal camera group 12 is the best angle difference between the winter solstice day and the summer solstice local noon direct sunlight on the ground, but the central angle surrounded by the CCD camera array 1 must satisfy At noon on the local summer solstice, the sun shines directly on the central camera 13, and without changing the center position, the sun can directly shine on an end camera in the meridian camera group 11 at noon on the winter solstice, or a camera between the end and the center camera 13. The number of cameras of the CCD camera array 1 can be adjusted according to the needs of the actual system, wherein the meridian camera group 11 includes at least 5 CCD cameras, and the latitudinal camera group 12 includes at least 3 CCD cameras.

Continue to refer to Fig. 1, described sunlight intensity sensing module 2 is connected with described processor 3, is used for collecting sunlight intensity information and transmits to described processor 3, provides solar panel sunward angle for described processor 3 At the same time, it can avoid starting the servo system in rainy days, which will bring additional power consumption, and can also avoid the system to continue to start the servo system when the light is very sufficient, wasting energy. As a preferred embodiment, the sunlight intensity sensing module 2 is composed of a photosensitive element 21 , an analog signal processing circuit 22 and an AD converter 23 , see FIG. 5 . The photosensitive element 21 is used as a sensing element for sensing the current light intensity to obtain an analog signal of the current light intensity, so as to avoid extra energy waste caused by the movement of the control system in rainy days; the analog signal processing circuit 22 is connected with the The photosensitive element 21 is connected with the AD converter 23, and is used to amplify and filter the analog signal obtained by the photosensitive element 21, so that the signal range of the input AD converter 23 is suitable; The signal is converted into a digital signal and sent to the processor 3. The AD converter 23 can be an integrated AD converter inside the processor 3, or an external AD conversion chip (by means of communication, the AD conversion obtained by collecting The information is sent to the processor 3).

Continue to refer to Fig. 1, described processor 3 is used for according to the sun position information transmitted by described CCD camera array 1, processes and obtains the target inclination angle of solar panel in longitude and latitudinal direction, and according to described sunlight intensity sensing module 2. The transmitted sunlight intensity information corrects the target inclination angle, and sends the corrected target inclination angle to the external servo system 4, and adjusts the inclination angle of the solar panel through the servo system 4, so that the solar panel can fully receive sunlight energy. Judging by the sunlight intensity sensing module 2 whether the current solar panel is suitable for tracking, when the solar panel is in rainy, cloudy, heavy fog and other poor weather conditions or night environment, the servo system 4 does not operate ; When the solar panel is in an environment with good lighting conditions, the processor 3 calculates the target inclination angle that the current solar panel needs to run, controls the movement of the servo system 4, and then controls the solar panel to track the angle facing the sun.

According to the sun position information transmitted by the CCD camera array 1, the processor 3 processes and obtains the target inclination angle of the solar panel in the longitude and latitudinal directions. According to the sun position information obtained, in the longitude camera group 11 and the latitudinal camera group 12, respectively find two groups of relevant cameras whose sun position is closest to the center of the image in the image captured at this moment; wherein, the longitude is one group, and the latitude The direction is a group, and each group of related cameras is two adjacent cameras. After obtaining the two groups of related cameras, the processor 3 calculates the distance between the sun position and the center of the image in each group of related cameras to obtain the most suitable inclination angle of the solar panel in the longitude and latitude.

The utility model adopts a CCD camera array, compares the sun position information captured by the CCD camera array at different angles at the same time, processes and obtains the most suitable inclination angle of the solar panel in the warp and latitude, and controls the movement of the servo system, thereby converting the solar energy The solar panel faces the sun at the most suitable angle, which provides a reliable way to judge the movement of the overall solar panel of the photovoltaic system, and improves the lighting efficiency of the photovoltaic module.

The above are only preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the structure of the present utility model. These improvements and modifications should also be made. It is regarded as the protection scope of the present utility model.

Claims (6)

1. A solar panel tracking device, characterized in that, comprises a CCD camera array, a sunlight intensity sensing module and a processor; the CCD camera array comprises a warp camera group and a latitudinal camera group, and the CCD camera array Fixed by the peripheral frame, the CCD camera array is used to capture the sun position information at different angles at the same time and transmit it to the processor, wherein the plane where the meridian camera group is located is perpendicular to the plane where the latitudinal camera group is located; The solar light intensity sensing module is connected to the processor, and is used to collect solar light intensity information and transmit it to the processor; the processor is used to process and obtain solar energy according to the sun position information transmitted by the CCD camera array. The target inclination angle of the battery panel in the longitude and latitudinal direction, and correct the target inclination angle according to the sunlight intensity information transmitted by the sunlight intensity sensing module, and send the corrected target inclination angle to the external servo system, through A servo system adjusts the inclination of the solar panels. 2. solar panel tracking device as claimed in claim 1, is characterized in that, described CCD camera array comprises a center camera, and described center camera is arranged on the center of described longitudinal camera group and described latitudinal camera group position of one end. 3. solar panel tracking device as claimed in claim 1, is characterized in that, the circle center angle surrounded by the CCD camera of described meridian camera group is less than 180 degree, and the circle center angle surrounded by the CCD camera of described latitudinal camera group is less than 180 degrees. 90 degrees. 4. The solar panel tracking device as claimed in claim 1 or 3, wherein the group of longitudinal cameras comprises at least 5 CCD cameras. 5. The solar panel tracking device according to claim 1 or 3, wherein the latitude camera group comprises at least 3 CCD cameras. 6. solar panel tracking device as claimed in claim 1, is characterized in that, described sunlight intensity sensing module is made up of photosensitive element, analog signal processing circuit and AD converter; Described photosensitive element is used for sensing current illumination The intensity obtains the analog signal of the current light intensity; the analog signal processing circuit is respectively connected with the photosensitive element and the AD converter, and is used to amplify and filter the analog signal obtained by the photosensitive element; the AD converter is used to The analog signal is converted to a digital signal and sent to the processor.

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