Concealable electric fireplace insert

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Solution Overview

Problem

Conventional electric fireplaces are not concealable, making them unsuitable for blending with room décor when not in use, and they lack a mechanism to prevent overheating and power usage when not operational.

Innovation Solution

A combined furniture and heating device with a removable concealing panel that allows the electric fireplace insert to be concealed or revealed, featuring a disabling device that turns off power when the panel is closed and turns it back on when opened, using sensors like thermistors to monitor temperature and prevent overheating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If an electric fireplace insert is installed within a furniture apparatus, then it provides heating functionality and aesthetic value, but it cannot be concealed when not in use and does not blend with room décor

Engineering Contradiction:
ImproveconcealabilityVSAvoidstructure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The fireplace system is divided into separate functional components: the fireplace insert (heating element), the furniture apparatus (housing), and the concealing panel (cover). This segmentation allows each component to be optimized independently - the insert provides heating, the furniture provides structure and aesthetics, and the panel provides concealability when not in use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The concealing panel is designed to be movable between two states: closed (concealing the fireplace insert) and open (revealing it for use). This dynamic element transforms a static fireplace installation into an adaptable system that can change its appearance and functionality based on user needs.

Inventive Principle:
Principle #15Dynamics

2Reliability

If the heating apparatus operates continuously, then it provides consistent heating, but it consumes excessive energy and risks overheating when not needed

Engineering Contradiction:
ImprovesafetyVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

Temperature sensors (thermistors) continuously monitor the internal temperature of the fireplace apparatus and provide feedback to the control system. When the temperature exceeds a predetermined threshold, the system automatically shuts off the heating element, preventing overheating and energy waste. This closed-loop control ensures safe operation while minimizing unnecessary energy consumption.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The fireplace system includes automatic shutdown functionality that operates without continuous user intervention. The temperature monitoring and control systems automatically regulate heating operation, shutting down when temperature thresholds are reached and restarting when conditions are appropriate, providing self-regulating safety and energy management.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If a concealing panel is added to cover the fireplace opening, then it enables concealment and aesthetic integration, but it may trap heat and cause overheating if the heating apparatus remains operational

Engineering Contradiction:
Improveconcealment capabilityVSAvoidinternal temperature
Core Design Contradiction:
Adaptability or versatilityVSTemperature

Solution Approach 1:

Temperature sensors positioned inside the fireplace apparatus continuously monitor internal temperature conditions. When the concealing panel is closed and temperature approaches unsafe levels, the feedback system automatically shuts off the heating element, preventing heat buildup that could occur from trapping heat between the panel and the heating elements.

Inventive Principle:
Principle #23Feedback

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 the electric fireplace to be seamlessly integrated with furniture, conserves energy by turning off the heating apparatus when not in use, and prevents overheating, ensuring safe and efficient operation.

Implementation Method 1

using sensors like thermistors to monitor temperature and prevent overheating

Methodology Applied
Scientific EffectThermistor: Thermistor

Data Source

PatentUS10473335B2Concealable electric fireplace insert
Publication Date: 2019.11.12 TWIN STAR INTERNATIONAL INC
  • US10473335B2 patent drawing
  • US10473335B2 patent drawing
  • US10473335B2 patent drawing

AI summary

A combined furniture and heating device having a concealable electric fireplace insert installed within a fireplace compartment of a furniture apparatus is provided. The electric fireplace insert has a front surface from which simulated flames are viewable when an opening of the fireplace compartment is uncovered so that the furniture apparatus is configured in its open configuration. The furniture apparatus includes a concealing panel removably installable over the opening configure the device in a concealed configuration so that the electric fireplace insert and its simulated flames viewable at its front surface are at least partially concealed. Power to a heating apparatus of the electric fireplace insert is turned on and off by a disabling device as the concealing panel is alternated between the open and concealed configurations. The disabling device can include a switch or a thermistor.