Portable Electric Heater Plenum for Directional Wall-Side Heating
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Solution Overview
Problem
Conventional portable oil-filled electric heaters face issues such as inability to be placed near walls or objects due to omnidirectional heat radiation, manufacturing complexities due to liquid containment, potential oil leaks causing environmental hazards and increased costs, and inefficient air distribution due to air inlet and outlet proximity.
Innovation Solution
A portable electric heater design with a standalone housing featuring an elevated air outlet and blower system that directs heated air streams in a controlled manner, allowing placement near vertical objects and enhancing space-saving characteristics without using oil, thus eliminating leakage concerns and improving air distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional oil-filled heaters radiate heat in all directions, then heat distribution is achieved, but the heater cannot be placed near walls or objects
Solution Approach 1:
The heater directs heat locally toward specific areas rather than radiating uniformly in all directions. The housing structure channels heated air through designated outlets positioned to target specific zones, allowing the heater to be placed near walls while still providing effective heat distribution to intended areas.
Solution Approach 2:
The invention transitions from omnidirectional (360-degree) heat radiation to directional heat projection. By using a housing structure with specific outlet orientations, the heat is projected in targeted directions rather than radiating spherically, enabling placement near vertical surfaces while maintaining heating effectiveness.
2Reliability
If oil-filled heaters use liquid containment structure, then heat storage is achieved, but manufacturing complexity and leakage risk increase
Solution Approach 1:
The invention extracts and eliminates the oil containment system entirely, replacing it with an electric heating element that directly heats air. This removes all seams, fittings, and liquid containment requirements, thereby eliminating leakage risks and simplifying manufacturing processes.
Solution Approach 2:
The mechanical/liquid-based oil-filled heating system is replaced with an electrical heating system. Instead of using oil as a heat storage medium contained in sealed chambers, the invention uses electrical resistance heating elements that directly convert electrical energy to thermal energy, eliminating all mechanical containment requirements.
3Productivity
If conventional baseboard heaters have air inlet and outlet close together, then device compactness is achieved, but air distribution efficiency decreases
Solution Approach 1:
The invention vertically separates the air inlet and outlet positions within the housing structure. By positioning the air inlet at the bottom and the heated air outlet at the top, the design creates vertical air flow paths that prevent recirculation and improve distribution efficiency, effectively utilizing the vertical dimension to solve the proximity problem.
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 solution enables placement of the heater near walls and objects, reduces manufacturing costs, minimizes environmental impact, and enhances heat distribution by directing heated air effectively, improving user experience and space efficiency.
Implementation Method 1
a blower is disposed within the housing generating an exhaust air stream
Implementation Method 2
an electric heating element is disposed in the housing and a heated exhaust air stream is formed by heating the exhaust air stream with the electric heating element
Data Source
AI summary
A portable electric heater possessing characteristics similar to a portable electric oil filled heater absent the use oil and its associated manufacturing and environmental problems. The device includes an electric heater, a rotatable plenum and an external housing providing space saving characteristics.