Flyback Converter Biasing Circuit Reuses Electromagnetic Energy
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Efficiently converting and managing voltage for multiple sensors in a well system using a single power source is challenging due to the need for different voltage levels, leading to inefficiencies in voltage conversion.
Innovation Solution
A flyback converter with a biasing circuit that captures electromagnetic energy from power spikes to bias a switch, reducing component count, noise, and complexity by reusing energy to supply voltage to sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If voltage converters are used to convert voltage from a single power source to different voltage levels for multiple sensors, then all sensors can be powered by one power source, but the voltage conversion becomes inefficient and generates power loss
Solution Approach 1:
The patent segments the voltage conversion function by providing separate voltage conversion circuits for each sensor or sensor group, rather than using a single centralized converter. Each conversion circuit is optimized for its specific voltage requirement, reducing overall power loss while maintaining the ability to power multiple sensors with different voltage levels from a single power source
2Adaptability or versatility
If traditional voltage conversion circuits are used, then voltage can be converted to different levels, but the circuits are complex, large in size, and costly
Solution Approach 1:
The patent employs self-service principles by using the sensors' own operating characteristics to inform the voltage conversion design. The conversion circuits are tailored to match each sensor's specific voltage and current requirements, eliminating the need for complex universal conversion circuits. This approach simplifies the overall system while maintaining adaptability to different sensor types
Solution Approach 2:
The patent changes the design parameters of the voltage conversion circuits by optimizing them for specific sensor requirements rather than using fixed, general-purpose conversion ratios. This allows for simpler, smaller, and less expensive circuits that are highly efficient for their intended purpose while maintaining the ability to support multiple different voltage levels across the sensor array
3Loss of energy
If multiple voltage conversion circuits are used to efficiently power different sensors, then power efficiency improves, but the overall system complexity and component count increase
Solution Approach 1:
The patent achieves universality by designing a modular voltage conversion architecture where standardized conversion circuits can serve multiple sensors with similar voltage requirements. This multi-functional approach allows the system to maintain high power efficiency through specialized conversion paths while reducing overall complexity by reusing identical circuit designs across multiple sensor channels rather than creating unique circuits for each sensor
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 reduces the cost, size, and complexity of the voltage converter while enhancing reliability and efficiency by locally generating biasing current, providing a stable voltage supply to sensors.
Implementation Method 1
an inductor of the flyback converter in response to the inductor transferring an amount of energy to another inductor
Data Source
AI summary
A biasing circuit for a flyback converter can include a rectifier electrically coupled to an inductor of the flyback converter for generating a direct current signal from an alternating current signal outputted by the inductor in response to the inductor transferring an amount of energy to another inductor. The biasing circuit can also include a storage device electronically coupled to the rectifier to receive the direct current signal and store a charge. The biasing circuit can further include a limiting device electronically coupled to the storage device to provide an amount of the charge that is stored in the storage device to an input lead of a switch of the flyback converter for biasing the switch.