Itch Relieving Device Touch Sensing and Gear Input Control

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Solution Overview

Problem

Existing itch relieving devices face issues with accidental activation due to pocket placement and cumbersome operation of heating temperature control, which affects user experience and safety.

Innovation Solution

An itch relieving device with a touch sensing module, control module, and gear input module that allows for adjustable heating power and convenient operation, including a storage unit to record heating gear settings and a timing unit for intermittent operation, ensuring safe and effective itch relief.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a key switch is used to control the heating element, then the heating can be switched on and off, but the device may be accidentally activated when placed in a pocket

Engineering Contradiction:

Improveaccidental activation preventionVSAvoidoperation convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

A human body sensing module is introduced as an intermediary between the user and the heating element. The module detects body temperature or touch to activate the heating function, preventing accidental activation while maintaining ease of use through automatic sensing

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The device performs self-detection of user presence through the human body sensing module, automatically determining whether activation is intended without requiring manual switch operation, thus preventing pocket activation while maintaining convenience

Inventive Principle:

Principle #25Self-service

2Adaptability or versatility

If a gear knob is used to control heating temperature, then different heating temperatures can be achieved, but the device occupies additional layout space and has troublesome operation

Engineering Contradiction:

Improveheating temperature adjustmentVSAvoidlayout space occupation

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mechanical gear knob is replaced with a touch-sensitive control interface. Users can adjust heating temperature by touching different zones or pressing buttons on the touch screen, eliminating the need for physical rotation mechanisms and reducing device complexity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The touch screen serves multiple functions: displaying information, controlling heating temperature, and providing user feedback. This multi-functional design replaces the dedicated gear knob while maintaining temperature adjustment capability and reducing overall device complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If a gear knob is used to control heating temperature, then different heating temperatures can be achieved, but the operation experience is troublesome

Engineering Contradiction:

Improveheating temperature adjustmentVSAvoidoperation convenience

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The mechanical gear knob requiring rotational manipulation is replaced with a touch-sensitive interface that responds to simple tap or press gestures, significantly improving operation convenience while maintaining full temperature adjustment capability

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The touch control interface provides immediate response to user input, with the heating temperature adjusting instantly upon touch detection. This periodic feedback mechanism creates a more intuitive and convenient user experience compared to mechanical gear adjustment

Inventive Principle:

Principle #19Periodic action

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 users to easily control the heating element's power and temperature, enhancing user experience and safety by preventing accidental activation and allowing for tailored itch relief without occupying additional layout space.

Implementation Method 1

a heating element arranged in the shell

Methodology Applied

Scientific EffectJoule heating: Joule Heating

Implementation Method 2

a first touch sensing module arranged on the shell, wherein the first touch sensing module is configured for touching a human body to generate a human body sensing signal

Methodology Applied

Scientific EffectCapacitance: Capacitance

Data Source

PatentUS12171687B2Itch relieving device

Publication Date: 2024.12.24 ZHONGSHAN TLC ELECTRONICS TECHNOLOGY CO LTD

AI summary

An itch relieving device is disclosed, including a shell, a heating element, a first touch sensing module, a control module and a gear input module. The first touch sensing module is configured for touching a human body to generate a human body sensing signal, the control module is electrically connected with the heating element to control the heating element to be switched on or off according to the human body sensing signal, the gear input module is configured for acquiring a control action to generate a pulse signal, the control module is provided with a storage unit, the control module is electrically connected with the gear input module to change a heating gear according to the pulse signal, the control module records the current heating gear through the storage unit, and the control module controls a heating power of the heating element according to the current heating gear.