CN203070107U - Control circuit of twin axle sun tracking system - Google Patents

Abstract

The utility model relates to a control circuit of a dual-axis sun tracking system, which is mainly composed of a tracking module, a single-chip controller and a driving module; the tracking module is composed of a photoelectric detection and sun angle tracking module, and the sun angle tracking module is composed of a wireless GPS module Provide the required data, and the photoelectric detection is detected by the photoelectric sensor; the drive module drives the stepper motor 1 and the stepper motor 2 to run, respectively controls the rotation of the turntable in the horizontal direction and vertical direction, so as to realize the automatic tracking of the sun; the tracking is real-time at the same time Detect wind speed and direction, light intensity and solar cell parameters. The utility model adopts a dual-axis sun automatic tracking system and combines photoelectric detection with sun angle tracking to make the system more stable and more accurate.

Description

A control circuit of a dual-axis sun tracking system

technical field

The utility model relates to the field of solar power generating devices, in particular to a control circuit of a dual-axis sun tracking system.

Background technique

The total amount of solar energy resources is very large. It is not only a primary energy source, but also a renewable energy source. It is a three-dimensional clean energy that is free to use and does not need to be transported. However, solar energy is dispersed. Although the total amount of solar radiation reaching the earth's surface is huge, its energy flux density is low. There is only about 1000W of solar energy per square meter on the ground. At the same time, solar energy is also unstable. Because the earth's surface is affected by day and night, seasons, geographical latitude, and random changing climate and natural conditions, the solar energy reaching a certain point is intermittent, and the direction and intensity of sunlight change continuously with time. These defects limit the large-scale development and utilization of solar energy resources. Therefore, on the basis of the existing defects of the sun, in order to fully develop and utilize solar energy resources, the double-axis automatic sun tracking system can greatly improve the receiving rate of photovoltaic cells, thereby effectively and fully utilizing solar energy resources and broadening the scope of solar energy. field of application.

Utility model content

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a control circuit of a dual-axis sun tracking system, which can effectively improve the receiving rate of photovoltaic cells, thereby effectively and fully utilizing solar energy resources, Broaden the application field of solar energy.

The technical scheme adopted by the utility model is: a control circuit of a dual-axis sun tracking system, which is mainly composed of a tracking module, a single-chip controller and a drive module; the tracking module is composed of a photoelectric detection and sun angle tracking module, and the sun angle tracking The module is provided with the required data by the wireless communication GPS module, and the photoelectric detection is detected by the photoelectric sensor; the drive module drives the stepper motor 1 and the stepper motor 2 to run, respectively controls the rotation of the turntable in the horizontal direction and the vertical direction, so as to realize the sun's Automatic tracking; tracking and real-time detection of wind speed and direction, light intensity and solar cell parameters.

Further, the wireless communication GPS module can provide the required local time, date, longitude and latitude, altitude and pressure data information, calculate the current altitude angle and azimuth angle of the sun and input them into the single-chip microcomputer, and judge day and night also by reading Take GPS data to judge.

Further, for the detection of wind speed and direction and the detection of light intensity, when a destructive wind is detected, the system should turn the solar panel to the optimal angle position, and then the motor stops to protect the solar battery. The intensity of light, and then judge the weather conditions, in order to switch tracking mode.

Further, the solar cell parameter integration module collects the temperature, voltage and current of the solar cell in real time, so that the solar cell can output maximum power.

Compared with the prior art, the utility model has the following advantages:

1. The utility model has reasonable design, simple structure and simple circuit connection;

2. The adoption of dual-axis automatic tracking system can greatly increase the acceptance rate of photovoltaic cells, so that solar energy resources can be used more effectively and fully, and the application field of solar energy can be broadened. On the other hand, the effective use of solar energy can alleviate the increasingly tense energy crisis and the seriously polluted ecological environment, which is of great significance to the sustainable development of human beings.

Description of drawings

Fig. 1 is the schematic diagram of the utility model

Detailed ways

Referring to Figure 1, the control circuit of a dual-axis sun tracking system is mainly composed of a tracking module, a single-chip controller and a drive module; the tracking module is composed of a photoelectric detection and sun angle tracking module, and the sun angle tracking module is composed of a wireless communication The GPS module provides the required data, and the photoelectric detection is detected by the photoelectric sensor; the drive module drives the stepper motor 1 and the stepper motor 2 to run, and controls the rotation of the turntable in the horizontal direction and the vertical direction respectively, so as to realize automatic tracking of the sun; tracking At the same time, real-time detection of wind speed and direction, light intensity and solar cell parameters.

Further, the wireless communication GPS module can provide the required local time, date, longitude and latitude, altitude and pressure data information, calculate the current altitude angle and azimuth angle of the sun and input them into the single-chip microcomputer, and judge day and night also by reading Take GPS data to judge.

Further, for the detection of wind speed and direction and the detection of light intensity, when a destructive wind is detected, the system should turn the solar panel to the optimal angle position, and then the motor stops to protect the solar battery. The intensity of light, and then judge the weather conditions, in order to switch tracking mode.

Further, the solar cell parameter integration module collects the temperature, voltage and current of the solar cell in real time, so that the solar cell can output maximum power.

The working process of the utility model is as follows: the single-chip microcomputer judges day and night by reading the data information of the wireless communication GPS module, and the light intensity sensor detects cloudy and sunny days. ;Enable the sun angle control mode when changing from cloudy to sunny. At this time, by reading the time, date and latitude and longitude information provided by the wireless communication GPS module, calculate the altitude and azimuth of the sun, determine the position of the sun, and drive the stepper motor 1 and The stepper motor 2 runs to make the mechanical device gradually align with the sun, and then the system enters the detection waiting state, and the stepper motor stops working. When the sun deviates from a certain angle, the photoelectric detection starts to search and track the sun again; it keeps circulating until it is dark; the digital The wind speed and direction sensor detects the wind speed signal at that time, and the battery parameter acquisition module will collect the parameters of the solar battery.

Claims (1)

1. the control circuit of a twin axle solar tracking system is characterized in that: mainly be by tracking module, singlechip controller and driver module are formed; Tracking module is made up of Photoelectric Detection and sun angle tracking module, and the sun angle tracking module provides required data by wireless telecommunications GPS module, and Photoelectric Detection is detected by photoelectric sensor; Driver module drives stepper motor 1 and stepper motor 2 runnings, controls the dial rotation of horizontal direction and vertical direction respectively, with realize to the sun from motion tracking; Follow the tracks of and detect wind speed and direction, intensity of illumination and solar cell parameter simultaneously in real time.

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