H-Bridge Circuit Switching with Intermediary Voltage Supply
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
H-bridge circuits face high power consumption when switching the direction of current to drive electrical loads like motors or capacitors, as they need to supply voltage from negative to positive and vice versa, resulting in inefficient energy use.
Innovation Solution
The implementation of an H-bridge circuit with a modified driver circuit and an intermediary voltage supply that discharges the electrical load to ground before switching current direction, allowing the intermediary voltage supply to recover and reuse energy, reducing the power needed from the primary voltage source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional H-bridge circuit switching is used to change current direction, then the electrical load can be driven in both forward and reverse directions, but the power consumption is high because the voltage supply must drive the load from negative to positive and vice versa
Solution Approach 1:
The patent segments the voltage supply function by introducing an intermediary voltage supply at 0V between the positive and negative voltage supplies. This allows the load to be discharged to 0V before reversing current direction, eliminating the need to drive the load from negative to positive voltage and reducing power consumption by half.
Solution Approach 2:
The patent introduces an intermediary voltage supply at 0V as a mediator between the positive and negative voltage supplies. The load is connected to this intermediary supply to discharge before current direction reversal, serving as an energy recovery point that reduces the power required from the primary voltage source.
2Use of energy by moving object
If the electrical load is discharged to ground before switching current direction, then the power consumption is reduced by allowing the voltage supply to only drive the load from 0V to maximum positive and negative voltages, but the circuit complexity increases with the modified driver circuit and intermediary voltage supply
Solution Approach 1:
The intermediary voltage supply at 0V serves multiple functions: it acts as a discharge path for the load, an energy recovery point, and a reference for current direction switching. This multi-functionality justifies the added circuit complexity by significantly reducing power consumption.
Solution Approach 2:
The patent implements energy recovery by disconnecting the load from the primary voltage supply and reconnecting it to the intermediary voltage supply to discharge. This recovers energy that would otherwise be lost, reducing the total power consumption from the primary source.
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 total power consumption by allowing the voltage supply to only drive the load from 0V to its maximum positive and negative voltages, cutting the power usage in half compared to traditional methods.
Implementation Method 1
The electrical load may be connected to ground such that the electrical load discharges
Data Source
AI summary
Systems and techniques are provided for electrical circuit switching. An electrical load may be connected to a voltage supply with current flow entering a first terminal of the electrical load. The electrical load may be disconnected from the voltage supply. The electrical load may be connected to ground such that the electrical load discharges. The electrical load may be connected to the voltage supply with current flow entering a second terminal of the electrical load. The electrical load may be disconnected from the voltage supply. The electrical load may be connected to ground such that the electrical load discharges.