Elastic Piston Solar Energy Conversion System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional heat engines face inefficiencies due to dissipation effects like friction, reducing their ability to achieve optimal thermal energy conversion to electrical energy, especially in solar energy conversion systems, which also incur high maintenance costs and low energy conversion efficiencies compared to photovoltaic cells.
Innovation Solution
An elastic piston system with a solar energy concentrator and modulating components that directly convert polarized sunlight into electrical energy via piezoelectric pistons, reducing thermal dissipation by eliminating the need for mechanical energy conversion and using a high-pressure working fluid to enhance efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional heat engines use mechanical pistons to convert thermal energy to mechanical energy, then energy conversion is achieved, but dissipation effects like friction reduce efficiency and convert mechanical work into unrecoverable heat
Solution Approach 1:
The patent replaces the conventional mechanical piston system with an optical modulation system. Instead of using mechanical pistons that suffer from friction and dissipation, the invention uses modulators (acousto-optic, electro-optic, or magneto-optic) to directly convert thermal energy to electrical energy through optical signal modulation, eliminating mechanical friction losses entirely.
Solution Approach 2:
The patent introduces optical signals as an intermediary between thermal energy and electrical energy conversion. The modulated optical signals serve as a mediator that carries energy information from the thermal source through the modulation process to the detection and conversion stage, enabling efficient energy transfer without direct mechanical contact.
2Loss of energy
If additional energy conversion components are introduced to convert mechanical energy to electrical energy, then electrical energy generation is achieved, but systemic inefficiencies increase due to heat dissipation from the electrical generator
Solution Approach 1:
The patent merges the thermal-to-mechanical and mechanical-to-electrical conversion steps into a single thermal-to-electrical conversion process. By using optical modulators directly driven by thermal energy and detecting the modulated optical signals to generate electrical energy, the system eliminates the intermediate mechanical conversion stage and the associated electrical generator, reducing both heat dissipation losses and device complexity.
3Productivity
If conventional solar energy conversion systems use photovoltaic cells, then electrical energy is generated directly from sunlight, but energy conversion efficiency remains limited compared to the theoretical maximum
Solution Approach 1:
The patent changes the fundamental conversion mechanism from direct photovoltaic conversion to thermal-optical-electrical conversion. By absorbing solar energy as thermal energy, modulating it through optical means, and then converting to electrical energy, the system operates at different physical parameters that can exceed the efficiency limits of conventional photovoltaic materials.
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
This approach increases the efficiency of solar energy conversion to electrical energy by minimizing thermal dissipation and eliminating the thermal-to-mechanical energy step, achieving higher conversion rates without the need for additional energy conversion components, thus reducing costs and maintenance.
Implementation Method 1
a solar energy concentrator (202) adapted to receive sunlight (204) and concentrate the reflected sunlight (204) at a focal point
Implementation Method 2
a polarization modulator (310) for the reception and modulation of the sunlight (204) that has been transmitted through the optical window (308)
Implementation Method 3
The elastic pistons (302, 304) are also configured to receive polarized sunlight and generate electrical energy in response to the reception of the polarized sunlight
Data Source
AI summary
The present invention comprise an elastic piston system for the conversion of solar energy to electrical energy, the system comprising a solar energy concentrator 202, and at least two solar energy conversion cells 200 being configured to receive the sunlight 204 reflected from the solar energy concentrator 202. The solar energy conversion cell 200 comprises at least two elastic piston 302, 304 components. The elastic pistons 302, 304 being coupled via a conduit 314, 416 for the transmittal of a predetermined working fluid 418. The elastic pistons 302, 304 are configured to receive polarized sunlight and generate electrical energy in response to the reception of the polarized sunlight, The solar energy conversion cell further comprises a controller 306 component, The controller 306 being configured to regulate the compression cycles within the elastic piston 302, 304 components and extract electrical energy produced within the cell 200.