Solar energy dual-axis tracking system

Abstract

The invention discloses a solar energy dual-axis tracking system and belongs to the solar energy technical field. The solar energy dual-axis tracking system includes a tracking rake, a photovoltaic cell panel, a storage battery, an elevating angle adjusting motor, an azimuth angle adjusting motor and a control module, wherein the control module includes a single-chip microcomputer, a tracking module and a charging and discharging module, wherein the tracking module includes a motor driving module and a light intensity detection module, and the charging and discharging module includes a switch module and a detection unit module, wherein the detection unit module includes a capacity and current detection module and a temperature detection module which are used for protecting the service life of the storage battery, and an extreme position detection module which protects the operation of the system. With the solar energy dual-axis tracking system adopted, the tracking for the sun can be accomplished, power generation capacity can be increased, and the charge and discharge frequency of the storage battery can be decreased, and the problems of overcharge and over-discharge of the storage battery can be avoided, and the service life of the storage battery can be guaranteed, and the electric energy loss of the tracking system can be reduced.

Description

technical field [0001] The invention relates to the technical field of solar energy, in particular to a solar dual-axis tracking system. Background technique [0002] There are two most common forms of solar energy utilization, one is to convert solar energy into electrical energy through photoelectric conversion, and the other is to convert solar energy into thermal energy through heat collectors. The use of photovoltaic power generation system is a method of utilizing solar energy, but its low power generation efficiency and relatively high power generation cost are still important factors restricting its large-scale application. Before the emergence of high-efficiency photovoltaic cell materials, the development of practical solar concentrators and automatic tracking systems to achieve low cost is one of the main ways to promote the widespread application of solar energy. [0003] There are two main solar automatic tracking systems currently in use, one is a single-axis ...

AI Technical Summary

Problems solved by technology

[0004] 1) The existing solar tracking system mainly uses the battery as the operating power of the system, and multiple charging and discharging reduces the service life of the battery

[0005] 2) The existing solar tracking system lacks protection for the battery, and cannot solve the problem of overcharging and over-discharging of the battery

[0006] 3) The existing solar tracking system tracks the sun in real time, but the running speed of the sun is relatively slow, and the power conversion efficiency of photovoltaic panels does not change much within a certain irradiation angle, while the continuous operation of the tracking system causes a certain amount of electric energy. loss

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