Wireless Charging Cooling Pad With Fan-Controlled Heat Dissipation

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Portable electronic devices generate excessive heat during charging or data exchange with stationary devices, which can degrade performance and require effective heat dissipation solutions.

Innovation Solution

An electronic device with a cooling function featuring a housing design with openings, an electric fan motor, and a control circuit to manage airflow for efficient heat dissipation, including wireless charging capabilities and temperature-based control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the portable electronic device rests on the stationary electronic device for charging or data exchange, then the charging function and data exchange function are enabled, but excessive heat is generated which degrades device performance

Engineering Contradiction:
Improvecharging functionVSAvoidheat generation
Core Design Contradiction:
Use of energy by moving objectVSTemperature

Solution Approach 1:

A cooling device is introduced as an intermediary component between the portable electronic device and the stationary electronic device. The cooling device includes a cooling element that contacts the portable device to conduct heat away, and a fan that generates airflow to enhance heat dissipation from both devices, thereby mediating the thermal interaction during charging or data exchange operations

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The cooling device utilizes pneumatic principles by employing a fan to generate controlled airflow. The airflow is directed to blow over the portable electronic device and through the stationary electronic device, using fluid dynamics to transfer heat from the devices to the surrounding environment, thus cooling them during high-energy operations

Inventive Principle:
Principle #29Pneumatics and hydraulics

2Adaptability or versatility

If the portable electronic device executes multiple functions concurrently during charging, then functionality is enhanced, but heat generation is aggravated

Engineering Contradiction:
Improveconcurrent function executionVSAvoidheat generation
Core Design Contradiction:
Adaptability or versatilityVSTemperature

Solution Approach 1:

The cooling device operates dynamically by adjusting its cooling intensity based on real-time temperature monitoring. A sensor detects the temperature of the portable electronic device, and a controller modulates the fan speed and cooling element activation accordingly, enabling the system to adapt to varying thermal loads generated during concurrent function execution

Inventive Principle:
Principle #15Dynamics

3Temperature

If a cooling device is added to dissipate heat, then temperature control is improved, but device complexity increases

Engineering Contradiction:
Improveheat dissipationVSAvoidcooling system structure
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The cooling device is designed with multi-functionality to reduce overall system complexity. The same cooling device serves both the portable electronic device and the stationary electronic device simultaneously, with a single fan generating airflow that cools both devices, and a unified control system that manages cooling for both devices based on their combined thermal state

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Effectively dissipates heat from resting electronic devices, maintaining performance and functionality during charging or data exchange by adjusting cooling levels based on temperature.

Implementation Method 1

an electric fan motor disposed in a space between the first cover and the second cover, and the electric fan configured to discharge at least part of intake air from at least some of the first openings to at least some of the second openings

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Implementation Method 2

effectively dissipate heat generating from a resting electronic device

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentEP4180911B1Electronic device including cooling function and controlling method thereof
Publication Date: 2026.03.11 SAMSUNG ELECTRONICS CO LTD
  • EP4180911B1 patent drawingFigure 1
  • EP4180911B1 patent drawingFigure 2
  • EP4180911B1 patent drawingFigure 3

AI summary

The invention relates to an electronic device comprising: a first cover (610) comprising a plurality of first openings; a second cover (650) coupled with the first cover (610) and comprising a plurality of second openings; an electric fan motor (630) disposed in a space between the first cover (610) and the second cover (650), and configured to discharge at least part of intake air from at least some of the first openings to at least some of the second openings; a wireless charging circuit (660) disposed between the second cover (650) and the electric fan motor (630); and a control circuit operatively coupled with the wireless charging circuit (660), wherein the control circuit is configured to detect an external portable electronic device (680) using the wireless charging circuit (660), and wherein the electronic device is configured to discharge at least part of the intake air to the wireless charging circuit (660) and the external portable electronic device (680) using the electric fan motor (630), when wirelessly charging the external portable electronic device (680) using the wireless charging circuit (660).