Underwater Lighting Housing With Wireless Charging and Touch Sealing

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Solution Overview

Problem

Existing underwater lighting devices face challenges with wired charging methods that restrict activity range and pose safety risks due to electric leakage, and have weak waterproof performance exacerbated by power supply interfaces and control buttons.

Innovation Solution

A wireless-charging touch underwater lighting device with a waterproof housing, touch control, and wireless charging capability, utilizing a polycarbonate material with a streamlined design and sealed components to enhance waterproofing and eliminate the need for physical buttons.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If wired charging methods are used in underwater lighting devices, then power supply can be maintained, but activity range is restricted and electric leakage risk increases

Engineering Contradiction:

ImprovesafetyVSAvoidactivity range

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical wired charging system with a wireless charging system using electromagnetic induction. The wireless charging component includes a receiving coil that converts electromagnetic signals from a charging base into electrical current, eliminating the need for physical cable connections and charging ports that compromise waterproofing and restrict movement.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If wired charging ports and control buttons are included, then charging and control functions are provided, but waterproof performance deteriorates

Engineering Contradiction:

Improvecharging functionVSAvoidwaterproof performance

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent extracts and removes the charging port and physical button components that create waterproof vulnerabilities. Instead, it implements wireless charging through a receiving coil and touch control through a touch sensor layer, allowing the housing to maintain complete sealing without openings for cables or buttons.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces mechanical button controls with a capacitive touch sensor system that detects touch through changes in electrical capacitance. This allows control functionality without requiring physical openings or mechanical components that would compromise the waterproof seal.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Use of energy by moving object

If cables and charging interfaces are present, then power supply is enabled, but the device becomes vulnerable to water ingress and damage

Engineering Contradiction:

Improvepower supplyVSAvoidwater ingress risk

Core Design Contradiction:

Use of energy by moving objectVSObject-affected harmful factors

Solution Approach 1:

The patent substitutes the mechanical cable connection system with an electromagnetic wireless power transfer system. The receiving coil within the sealed housing converts electromagnetic energy from an external charging base into electrical current, eliminating any physical openings that could allow water ingress while maintaining continuous power supply capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 device provides enhanced waterproof performance, increased usability, and safety by eliminating the need for wired charging ports and physical buttons, ensuring reliable operation in underwater environments.

Implementation Method 1

when the bottom housing approaches an alternating magnetic field, and the wireless-charging component generates an induced electric current and charges the power supply component through the circuit board

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS12553595B2Wireless-charging touch underwater lighting device

Publication Date: 2026.02.17 SHANGHAI SANSI ELECTRONICS ENG

AI summary

A wireless-charging touch underwater lighting device, including a waterproof housing including a bottom housing and a light-transmitting cover positioned above the bottom housing, with a waterproof inner cavity formed between the light-transmitting cover and the bottom housing; a circuit board within the waterproof inner cavity and light-emitting units mounted on the circuit board; a touch component mounted on the circuit board and in contact with the waterproof housing, when touching a corresponding touch area of the waterproof housing causes the touch component to send a corresponding signal to the circuit board; a power supply component electrically connected to the circuit board; a wireless-charging component connected to the circuit board and close to the bottom housing, when the bottom housing approaches an alternating magnetic field, the wireless-charging component charges the power supply component.