Ceramic Heating Sheet Assembly to Reduce Breakdown Risk and Thickness
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Solution Overview
Problem
Existing heating appliances using resistance wires face safety issues due to high voltage breakdown when the distance between the wires and the microcrystalline panel is reduced, leading to increased thickness and reduced heating efficiency.
Innovation Solution
A heating assembly utilizing ceramic heating sheets with a heat conduction structure, where the sheets are spaced apart and connected in parallel, with a recess and heat insulating elements to minimize heat transfer and ensure safety, allowing for a smaller distance between the heating elements and the microcrystalline panel, thereby enhancing efficiency and reducing overall thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If resistance wires are used as heating elements, then heating function is achieved, but high voltage breakdown occurs when distance to microcrystalline panel is reduced
Solution Approach 1:
The patent changes the material parameter of the heating element from resistance wire to ceramic heating sheet. This material substitution fundamentally alters the electrical and thermal properties, allowing the heating element to operate at high temperatures without causing voltage breakdown to the microcrystalline panel, thus resolving the safety issue while maintaining heating efficiency
Solution Approach 2:
The patent employs ceramic materials as heating sheets, which are composite materials with both heating capability and electrical insulation properties. This composite approach allows the heating element to function at close proximity to the microcrystalline panel without compromising safety, enabling reduced distance and improved heating efficiency
2Reliability
If distance between resistance wires and microcrystalline panel is increased to 20mm for safety, then safety is ensured, but overall thickness increases and heating efficiency decreases
Solution Approach 1:
By changing the heating element material to ceramic heating sheets with superior electrical insulation properties, the patent allows the distance parameter to be reduced from 20mm to a much smaller value. This parameter change in material properties enables both safety maintenance and thickness reduction simultaneously
3Productivity
If distance between heating element and microcrystalline panel is reduced, then heating efficiency improves, but voltage breakdown risk increases with resistance wires
Solution Approach 1:
The patent changes the electrical insulation parameter of the heating element by using ceramic material instead of resistance wire. This allows the distance between heating element and microcrystalline panel to be minimized for improved heating efficiency while the ceramic material's insulation properties prevent voltage breakdown, simultaneously achieving both goals
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 ceramic heating assembly ensures safety by preventing breakdown and improving heating efficiency while reducing the overall thickness of the heating assembly and electrothermal furnace, allowing for a thinner and more efficient heating solution.
Implementation Method 1
The resistance wires emit a certain amount of heat after being energized to heat
Implementation Method 2
the recess of the base plate is provided with a heat insulating wool pad, and the heat insulating wool pad is located under the ceramic heating sheets
Implementation Method 3
a heat conduction structure being provided over the ceramic heating sheets
Data Source
AI summary
A heating assembly, comprising a base plate, the base plate being provided with a plurality of ceramic heating sheets, the ceramic heating sheets being spaced apart side by side and being connected in parallel, and a heat conduction structure being provided over the ceramic heating sheets. An electrothermal furnace having the heating assembly is also provided.