Voltage Converter Fixed Additional Value Regulation
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Solution Overview
Problem
Existing voltage converters, such as boost converters, cannot increase different input voltages by adding a fixed additional value, which is necessary for applications like electronic switches in internal combustion engines and exhaust gas systems.
Innovation Solution
A voltage converter comprising a boost circuit, a measurement circuit, and a trigger circuit that adjusts the output voltage by a fixed additional value independent of the input voltage, using an electrical trigger signal to maintain a setpoint voltage, with components like inductors, diodes, capacitors, and field effect transistors to achieve this.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional boost converter is used to increase voltage, then the output voltage is increased, but the additional value added depends on the input voltage rather than being fixed
Solution Approach 1:
The patent implements a feedback mechanism where the output voltage is continuously monitored and compared with a reference voltage. Based on this comparison, the control circuit adjusts the switching duty cycle to maintain a fixed additional value between input and output voltages, regardless of input voltage variations. This feedback loop enables the converter to adapt to different input voltages while maintaining the desired fixed voltage increment.
Solution Approach 2:
The patent employs dynamic adjustment of the switching duty cycle in response to changing input voltages. The control circuit continuously modifies the ON-time of the switching element to compensate for input voltage variations, ensuring that the output voltage always exceeds the input voltage by the predetermined fixed additional value. This dynamic control enables the converter to maintain consistent performance across varying operating conditions.
2Measurement precision
If the output voltage is continuously adjusted to maintain a fixed additional value, then voltage regulation precision is improved, but measurement and control complexity increases
Solution Approach 1:
The patent uses a feedback mechanism where the output voltage is continuously monitored and compared with a reference voltage. Based on this comparison, the control circuit adjusts the switching duty cycle to maintain a fixed additional value between input and output voltages, regardless of input voltage variations. This feedback loop enables the converter to adapt to different input voltages while maintaining the desired fixed voltage increment.
Solution Approach 2:
The patent replaces complex mechanical voltage regulation mechanisms with electronic control. Instead of using mechanical variable transformers or other mechanical adjustment devices, the invention uses electronic switching and PWM control to achieve precise voltage regulation. This substitution reduces mechanical complexity while improving measurement and control precision through electronic sensing and processing.
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
Enables the conversion of any input voltage to an output voltage with a fixed additional value, ensuring the output voltage is maintained at a setpoint, independent of the input voltage, facilitating efficient voltage regulation in various electronic applications.
Implementation Method 1
a boost circuit (2) configured for converting an input voltage Vin to an output voltage Vout
Implementation Method 2
a first capacitor (17), wherein the first capacitor (17) is connected in parallel to the switch (8)
Data Source
AI summary
Voltage converter including at least: a boost circuit to convert an input voltage Vin to an output voltage Vout, a setpoint for the output voltage Vout is, by a fixed additional value Vf, larger than the input voltage Vin, and the fixed additional value is independent of the input voltage Vin measurement circuit emits an electrical trigger signal based on a difference between the output voltage Vout and the input voltage Vin, and a trigger circuit adjusts the output voltage Vout depending on the electrical trigger signal.