Supercapacitor Power Circuit for Rapid-Charging Human Interface Devices

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Solution Overview

Problem

Conventional lithium batteries in human interface devices pose environmental pollution risks, have long charging times, limited charge cycles, and safety issues, including overheating and explosion risks, especially under extreme temperatures.

Innovation Solution

Replace lithium batteries with super capacitors, incorporating a power circuit and control module to manage charging, allowing for rapid charging and efficient power management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If lithium batteries are used in human interface devices, then energy storage capacity is sufficient, but charging time is long and environmental pollution occurs

Engineering Contradiction:

Improvecharging timeVSAvoidenvironmental pollution

Core Design Contradiction:

Loss of timeVSObject-generated harmful factors

Solution Approach 1:

The patent changes the fundamental parameter of energy storage technology from lithium battery chemistry to super capacitor physics, enabling rapid charging while eliminating toxic substance pollution. The super capacitor uses electrostatic energy storage instead of electrochemical reactions, allowing charge/discharge in seconds without environmental harm.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent replaces the electrochemical system of lithium batteries with an electrostatic system using super capacitors. This substitution eliminates chemical reactions that cause pollution and enable much faster energy transfer, achieving instant or near-instant charging capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If lithium batteries are used in human interface devices, then power supply is stable, but safety risks include overheating and explosion

Engineering Contradiction:

Improvepower supply stabilityVSAvoidsafety risks

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent converts the inherent safety advantages of super capacitors into a reliable power supply system. The physical electrostatic storage mechanism inherently prevents overheating and explosion risks, while the control unit manages power distribution to maintain stability, turning a different energy storage paradigm into a safe and reliable solution.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent introduces a control unit as an intermediary between the super capacitor and the human interface device. This mediator manages power flow, voltage regulation, and charging/discharging cycles, ensuring stable power supply while leveraging the inherent safety of super capacitor technology.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Duration of action of moving object

If lithium batteries are used in human interface devices, then energy density is high, but charge/discharge cycles are limited

Engineering Contradiction:

Improvecharge/discharge cyclesVSAvoidenergy density

Core Design Contradiction:

Duration of action of moving objectVSUse of energy by moving object

Solution Approach 1:

The patent changes the energy storage mechanism from electrochemical (lithium battery) to electrostatic (super capacitor), fundamentally altering the charge/discharge characteristics. This enables tens of thousands of charge/discharge cycles while maintaining sufficient energy density for human interface device operations through optimized capacitor selection and configuration.

Inventive Principle:

Principle #35Parameter changes

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

Super capacitors avoid pollution, enhance charging efficiency, and provide quick charging, enabling devices to operate for extended periods without the safety hazards associated with lithium batteries.

Implementation Method 1

the super capacitor 20

Methodology Applied

Scientific EffectCapacitance: Capacitance

Implementation Method 2

The rapid charging unit 112 is electrically connected to the control unit 111 and is configured to immediately provide a constant charging current to the super capacitor 20 upon receiving a charging signal from the control unit 111

Methodology Applied

Scientific EffectElectrical energy conversion and regulation:

Data Source

PatentUS20250330035A1Human Interface Device Using Super Capacitor

Publication Date: 2025.10.23 ACROX TECH

AI summary

The present disclosure provides a human interface device (HID) that uses a super capacitor. The human interface device mainly includes a power circuit and a main control module. The power circuit includes a control unit and a rapid charging unit, and can be detachably connected to an external DC power supply. The control unit is configured to determine whether to charge the super capacitor. The rapid charging unit is electrically connected to the control unit and is configured to immediately provide a constant charging current to the super capacitor upon receiving a charging signal from the control unit. The main control module is electrically connected to the power circuit and the super capacitor, and is configured to monitor a capacitor voltage of the super capacitor and determine whether to continue charging the super capacitor.