Detachable Flashlight Head Magnetic Coupling

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Solution Overview

Problem

Existing hands-free lighting devices have fixed lighting elements that are not easily removable or rechargeable, making them inefficient for various applications that require flexible lighting solutions.

Innovation Solution

A detachable flashlight head that can be magnetically and electrically coupled to a headguard or flashlight base, allowing for easy removal and reattachment, and featuring a rechargeable power source for independent operation as a hand-held or head-mounted light.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the lighting element is fixed to the helmet or headband, then the lighting device provides stable hands-free illumination, but the lighting element cannot be removed or recharged

Engineering Contradiction:

Improvestable illuminationVSAvoidremovability and rechargeability

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The lighting device is divided into two separate components: a reusable base unit (helmet or headband) and a detachable lighting element. This segmentation allows the lighting element to be removed and recharged independently while the base unit remains, resolving the contradiction between stable illumination and removability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The detachable lighting element is designed to be universally compatible with multiple base units (different helmets, headbands, or handheld holders). This multi-functionality allows the same lighting element to provide stable hands-free illumination when attached or to be used independently, satisfying both reliability and adaptability requirements.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If the lighting element is removable, then the device can be recharged and used in multiple configurations, but it is not easily removable or attachable to helmet or headband

Engineering Contradiction:

Improverechargeability and multi-configurationVSAvoidease of removal and attachment

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The traditional mechanical attachment mechanisms (screws, clips, or complex latches) are replaced with magnetic attachment. The magnetic field provides strong holding force for stable illumination while allowing easy attachment and detachment through simple proximity, resolving the contradiction between secure mounting and ease of operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If magnetic attachment is used, then the lighting element is easily attachable and detachable, but the holding force may be insufficient without proper alignment

Engineering Contradiction:

Improveease of attachmentVSAvoidholding force

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The magnetic attachment system is designed to be self-aligning, where the magnetic field automatically guides the lighting element into proper alignment with the base unit during attachment. This self-service alignment ensures adequate holding force without requiring manual positioning, resolving the contradiction between ease of operation and reliability.

Inventive Principle:

Principle #25Self-service

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 detachable flashlight head provides a flexible lighting solution that can be used as a hands-free headlamp, a hand-held flashlight, or a small independent light source, increasing illumination when docked and allowing for efficient power management through rechargeable batteries.

Implementation Method 1

A detachable flashlight head that can be magnetically and electrically coupled to a headguard or flashlight base

Methodology Applied

Scientific EffectMagnetic coupling: Magnetism

Data Source

PatentUS11802681B2Lighting system with detachable flashlight head

Publication Date: 2023.10.31 LB MARKETING INC

AI summary

Disclosed are various embodiments for a lighting system. The lighting system may include a headguard adapted to be worn on a head of an operator, where the headguard comprising a headguard cavity, as well as an elongated flashlight base comprising a flashlight base cavity. A detachable flashlight head is adapted to be positioned in either of the headguard cavity and the flashlight base cavity. The detachable flashlight is sized and positioned such that, when positioned in the headguard cavity, the detachable flashlight magnetically and electrically couples to the headguard. Similarly, the detachable flashlight is sized and positioned such that, when positioned in the flashlight base cavity, the detachable flashlight magnetically and electrically couples to the elongated flashlight base.