Outdoor Light Unit with Solar, Wind, and Rain Energy Harvesting
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Solution Overview
Problem
Conventional outdoor lighting solutions lack self-sufficiency in power generation, relying solely on grid electricity and not effectively harnessing renewable energy sources like sunlight, rain, and wind for continuous operation.
Innovation Solution
A self-generating outdoor light unit featuring photovoltaic panels angled to convert sunlight into electrical current, a rainwater collector directing water to impingement blades to generate electricity, and wind turbine blades connected to a generator, all storing energy in an accumulator battery for nighttime use, ensuring continuous lighting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional outdoor lighting solutions rely solely on grid electricity, then the system is simple in structure, but it lacks self-sufficiency in power generation and cannot effectively harness renewable energy sources
Solution Approach 1:
The patent combines multiple power generation mechanisms (photovoltaic panels for sunlight, wind turbine blades for wind energy, and rainwater collection system with impingement blades for rain energy) into a single outdoor lighting unit. This merging of multiple renewable energy sources enables the system to be self-sufficient in power generation while maintaining a relatively integrated structure that can be mounted on a single pole.
Solution Approach 2:
The outdoor lighting unit is designed to perform multiple functions: generating electricity from sunlight via photovoltaic panels, generating electricity from wind via turbine blades, generating electricity from rain via impingement blades, storing energy in batteries, and providing illumination. This multi-functionality allows the system to harness various renewable energy sources and operate autonomously without grid dependency.
2Reliability
If multiple renewable energy sources are integrated into the lighting system, then continuous operation and energy self-sufficiency are achieved, but the device complexity increases
Solution Approach 1:
Multiple independent power generation systems (solar panels, wind turbine, rainwater collection with impingement blades) are merged into one integrated unit that shares common components such as the battery storage system, controller, and lighting fixture. This approach ensures continuous operation through diverse energy sources while managing complexity through shared infrastructure.
Solution Approach 2:
The system incorporates automatic control mechanisms that manage power generation, storage, and distribution without human intervention. The controller automatically directs electricity from any active power source to the battery or directly to the light, and the tail fins automatically orient the wind turbine blades toward the wind direction, enabling the system to serve itself and maintain reliable continuous operation.
3Use of energy by moving object
If photovoltaic material is angled toward the sun to maximize energy conversion, then electrical current generation is improved, but the structural design becomes more complex
Solution Approach 1:
The photovoltaic panels are arranged at specific angled orientations rather than being flat or symmetrically positioned, allowing them to capture sunlight more effectively throughout the day. The asymmetric angular positioning of the panels on the polyhedral structure enables optimized solar energy conversion while integrating naturally into the overall geometric design of the unit.
4Adaptability or versatility
If rainwater is collected and directed to impingement blades to generate electricity, then renewable energy harnessing is improved, but the mechanism complexity increases
Solution Approach 1:
The system utilizes the kinetic energy of falling rainwater through hydraulic principles. Rainwater collected from the polyhedral structure flows through channels and is directed onto impingement blades, causing them to rotate and drive the generator. This hydraulic approach converts rain energy into electricity with relatively simple mechanical components.
5Power
If wind turbine blades are made rigidly connected to the generator shaft for efficient power transfer, then energy transmission is improved, but the ability to adapt to wind direction decreases
Solution Approach 1:
The wind turbine blades are designed with dynamic characteristics, including the ability to rotate on the horizontal axis to track wind direction. The tail fins provide aerodynamic stability and automatically orient the turbine toward the prevailing wind. This dynamic design allows the rigidly connected blades to efficiently transmit power to the generator while adapting to changing wind conditions.
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 solution provides a sustainable and autonomous lighting system that utilizes multiple renewable sources to store and generate power, ensuring consistent illumination without grid dependency and allowing excess energy to be sold back to the grid.
Implementation Method 1
a stationary top portion of the unit in a pyramid, or generally conical-type shape, is defined by a form of photovoltaic material angled toward the direction of the sun in order to convert UV rays into a form of electrical current
Implementation Method 2
an outlet of the rain catcher funnels and directs the collected rainwater at water impingement blades connected to the shaft of a generator, so that the flow of the rainwater passing through the outlet of the rain catcher turns the blades in order to generate electricity
Implementation Method 3
Smaller, wind turbine blades, which are connected to the generator shaft, are turned by the wind to rotate the shaft
Implementation Method 4
an accumulator type battery, which can be located in the support, in order to power the lamp at night or at other times when required
Data Source
AI summary
An outdoor light unit has plural self-contained mechanisms for producing electricity for powering the light unit, the light unit including a support, an electrical lamp, photovoltaic material at its top, an electrical generator, and water impingement blades and wind turbine blades to turn the generator to power the lamp. A rainwater collector collects rainwater running off of the photovoltaic material and directs it onto the water impingement blades. The generator and the rainwater collector are mounted to pivot with respect to the support, and fins cause the wind turbine blades to face into the wind.