Self-Powered Solar Tracker With Balanced Torque Tube Alignment
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Solution Overview
Problem
Conventional solar tracking systems are inadequate in maximizing energy conversion from solar panels due to suboptimal sun angle alignment and inefficiencies in tracking mechanisms, limiting their potential for energy production.
Innovation Solution
A self-powered solar tracker system with an adjustable hanger assembly and cylindrical torque tubes, aligned to reduce motor load, coupled with a DC to DC converter, battery storage, and a micro-controller for autonomous operation, allowing the system to operate without external energy sources and adapt to varying solar conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional solar tracking mechanisms are used, then solar panels can be positioned to follow the sun, but the tracking mechanisms are inadequate and fail to maximize energy conversion due to suboptimal alignment
Solution Approach 1:
The patent implements a dynamic tracking system where the torque tube and solar panels can continuously adjust their position to follow the sun's movement across the sky. The system transitions from static mounting to dynamic repositioning, allowing optimal alignment throughout the day to maximize energy conversion efficiency.
Solution Approach 2:
The system changes the orientation parameters of the solar panels by adjusting the torque tube's rotational position. By varying the angular parameters of panel alignment with respect to the sun's position, the system optimizes energy capture while the self-powered mechanism manages power consumption parameters.
2Productivity
If solar panels are positioned at fixed angles, then installation is simple, but they cannot adapt to varying sun angles and lose potential energy production
Solution Approach 1:
The tracking system transforms the fixed-angle mounting into a dynamic structure that can adapt its position. The torque tube mechanism enables continuous adjustment of panel orientation to match the sun's changing position, providing both adaptability and sustained energy production throughout the day.
Solution Approach 2:
The system uses self-powered tracking mechanisms where the solar panels themselves generate the power needed for their own movement. The energy harvested from sunlight drives the motor that rotates the torque tube, creating a self-sustaining system that adapts to sun angles without external power input.
3Ease of operation
If self-powered tracking is implemented, then external power lines are eliminated, but the system must operate with limited energy from small solar panel energy sources
Solution Approach 1:
The tracking system is completely self-powered, using the solar panels mounted on the torque tube to generate electricity that drives the tracking mechanism. This eliminates dependence on external power lines while the system's own energy harvest sustains its operational needs for movement and control.
Solution Approach 2:
The solar panels serve dual functions: they generate electricity for power needs and simultaneously drive the tracking mechanism through their own energy production. This multi-functionality allows the system to be both self-powered and self-tracking, resolving the contradiction between independence and energy availability.
4Use of energy by moving object
If motor load is reduced through center of mass alignment, then energy consumption decreases, but the mechanical structure becomes more complex with adjustable hanger assemblies
Solution Approach 1:
The system uses the center of mass alignment principle where the hanger assembly positions the solar panels so that their weight creates a balanced moment around the torque tube's rotation axis. This gravitational balancing reduces the motor's energy consumption by minimizing the force needed to initiate and maintain rotation, as the system naturally balances under gravity.
Solution Approach 2:
By aligning the center of mass with the rotation axis, the system creates a mechanically balanced state where gravitational forces are evenly distributed. This equipotential positioning minimizes energy requirements for movement while the adjustable hanger assembly provides the necessary mechanical complexity to achieve this optimal balance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enhances energy harvesting efficiency by optimizing solar panel alignment and reducing energy consumption, enabling continuous operation with minimal external power input and improved adaptability to environmental conditions.
Implementation Method 1
Solar panels have been developed to convert sunlight into energy. As an example, solar photovoltaic panels convert sunlight directly into electricity for a variety of applications.
Implementation Method 2
a battery storage device coupled to the DC to DC converter
Data Source
AI summary
A solar tracker apparatus includes an adjustable hanger assembly that has a clam shell hanger assembly. The clam shell hanger assembly may hold a torque tube comprising a plurality of torque tubes configured together in a continuous length from a first end to a second end. A center of mass of the solar tracker apparatus may be aligned with a center of rotation of the torque tubes, in order to reduce a load of a drive device operably coupled to the torque tube. Solar modules may be coupled to the torque tubes. The solar tracker includes an energy system that includes solar panel, a DC to DC converter, a battery, and a micro-controller. The energy system may facilitate full operation movement of the tracker apparatus without any external power lines.