DC Generator Pulse Control via Comparator Circuit

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Solution Overview

Problem

Current pulse current generation technologies, such as switched mode power supplies, are costly due to the use of electronic components like central processing units and logic integrated circuits, which also occupy significant space, increasing product price and volume, thereby reducing competitiveness.

Innovation Solution

A direct current generator and pulse generator system that replaces central processing units and logic integrated circuits with a comparator and analog circuits, utilizing a control circuit, comparator, and pulse output unit to generate pulse signals for controlling the output power, thereby reducing costs and space requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If switched mode power supply with central processing unit and logic integrated circuit is used to generate pulse current, then the control precision and functionality are improved, but the production cost and device volume increase

Engineering Contradiction:
Improvecontrol precisionVSAvoiddevice volume
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent extracts and removes the complex central processing unit and logic integrated circuit from the pulse current generation system. Instead, it uses a simplified control circuit comprising only a comparator, resistors, capacitors, and switching elements, thereby eliminating unnecessary complexity while maintaining pulse current generation functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces expensive electronic components (central processing unit and logic integrated circuit) with inexpensive analog components (comparator, resistors, capacitors). This substitution dramatically reduces production costs and device volume while achieving the required control precision for pulse current generation.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Measurement precision

If switched mode power supply with central processing unit and logic integrated circuit is used to generate pulse current, then the control precision and functionality are improved, but the production cost increases

Engineering Contradiction:
Improvecontrol precisionVSAvoidproduction cost
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The patent replaces expensive electronic components (central processing unit and logic integrated circuit) with inexpensive analog components (comparator, resistors, capacitors). This substitution dramatically reduces production costs while maintaining control precision through the comparator-based feedback control mechanism.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent extracts and removes the costly central processing unit and logic integrated circuit from the system. The remaining control circuit uses only basic analog components that are significantly cheaper to manufacture, thereby reducing overall production costs while preserving essential control functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

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 effectively generates pulse signals to control the output power of the direct current generator, reducing production costs and space, enhancing the competitiveness of the product while maintaining functionality in driving lamps and other devices.

Implementation Method 1

The comparator is used to compare the amplitude of the switching signal and that of the reference signal, so as to generate a comparison signal whose amplitude alternates between a high level and a low level

Methodology Applied
Scientific EffectComparator voltage comparison:

Implementation Method 2

The pulse output unit is configured to generate a plurality of pulse signals based on the comparison signal for switching the driving switch in the direct current generator

Methodology Applied
Scientific EffectPulse signal generation:

Implementation Method 3

The driving circuit of the direct current generator receives a plurality of pulse signals, wherein the switch of the driving circuit is turned on or off according to the pulse signals

Methodology Applied
Scientific EffectElectrical switching:

Implementation Method 4

an initiator for providing an initial voltage of high level to initiate and drive a load

Methodology Applied
Scientific EffectVoltage initialization:

Data Source

PatentUS8179112B2Direct current generator and the pulse generator thereof
Publication Date: 2012.05.15 QISDA CORP
  • US8179112B2 patent drawing
  • US8179112B2 patent drawing
  • US8179112B2 patent drawing

AI summary

The present invention provides a direct current generator and a pulse generator thereof. The pulse generator includes a comparator to replace a central processing unit and a logic integrated circuit to save the costs and space required by the electronic components. The pulse generator generates pulses to control the activation of the direct current generator and then to control the output current of the direct current generator. The direct current generator generates current having pulses based on pulses signals from the pulse generator to drive a load.