Electric Range Air Guide Panel for Moisture and Hot Air Blocking
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Solution Overview
Problem
Electric ranges face performance deterioration due to moisture and hot air circulation, which leads to frequent operation stops and reduced lifespan, as moisture from dishwashers flows into the electric range through its lower portion and hot air circulates, causing rapid heating of heat-generating elements.
Innovation Solution
A guide panel is integrated into the electric range's lower portion, featuring a channel part that directs air flow laterally and blocks moisture and hot air circulation, preventing re-inflow into the air blowing fan and enhancing heat dissipation through strategically designed exhaust openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the air communication hole is disposed right on the dishwasher, then the electric cooking appliance can be compactly arranged, but moisture discharged from the dishwasher flows into the electric cooking appliance through the lower portion, adversely affecting components and causing performance deterioration
Solution Approach 1:
A guide panel is introduced as an intermediary component between the air communication hole and the air blowing fan. The guide panel includes a channel part that redirects airflow and blocks moisture from reaching the fan, thus mediating between the compact arrangement requirement and the moisture protection need
2Temperature
If a shielding structure is disposed near the opening of the air passage to block reverse flow of air, then hot air reverse flow into the heating device is suppressed, but moisture outside the heating device can still flow into the heating device through the opening of the air passage
Solution Approach 1:
The guide panel serves multiple functions simultaneously: it blocks reverse flow of hot air into the heating device while also preventing moisture infiltration through the air passage opening. This multi-functional design addresses both protection needs with a single component
3Productivity
If hot air discharged through the outlet flows back into the air blowing fan through the inlet, then the heat generating element is easily heated by circulatory flow, but this causes rapid temperature increase and frequent operation stops
Solution Approach 1:
The guide panel acts as a mediator that intercepts and redirects hot air flow before it can re-enter the air blowing fan. The channel part of the guide panel directs the hot air laterally toward exhaust openings, preventing the harmful circulatory flow while maintaining efficient heat generation
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 guide panel effectively blocks moisture and hot air circulation, reducing the risk of overheating and extending the electric range's operational time, improving performance and durability by maintaining stable temperatures and preventing premature shutdowns.
Implementation Method 1
A guide panel is integrated into the electric range's lower portion, featuring a channel part that directs air flow laterally
Implementation Method 2
blocks moisture and hot air circulation, preventing re-inflow into the air blowing fan
Implementation Method 3
an air guide which covers the heat sink and forms a flow path of air cooling the heat sink
Implementation Method 4
an air blowing fan that forces air to flow to the air guide
Implementation Method 5
an air blowing fan that forces air to flow to the air guide
Data Source
AI summary
An electric range may include a case, a bracket accommodated in the case, a fan disposed in the bracket, a leg coupled to a lower portion of the case and configured to contact an upper surface of a countertop that supports the electric range, and a guide panel disposed at a lower side of the bracket and configured to guide air that flows in a gap formed by the leg.