Heating Strap Tension Assembly for Short-Circuit Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional heating assemblies face issues with heating straps inflating due to high temperature, leading to increased cross-sectional area and potential short circuits as adjacent sections come into contact.
Innovation Solution
An adjusting device comprising a U-shaped pull member connected to a driving support with springs, which maintains tension in the heating strap by pulling it and restricting its cross-sectional area, preventing contact and potential short circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the heating strap is made longer to cover more area, then the heating coverage is improved, but the risk of adjacent sections contacting and causing short circuits increases
Solution Approach 1:
The patent introduces a dynamic adjusting device with movable supports that can independently adjust the position of each heating strap section. This allows the system to adapt the spacing between adjacent heating strap sections based on their thermal expansion characteristics, maintaining safe distances even when the strap inflates at high temperatures, thus preventing short circuits while enabling longer overall strap length
Solution Approach 2:
The patent changes the physical state parameters of the heating strap by controlling its tension and spacing through the adjusting device. By maintaining optimal tension and distance parameters throughout the operating temperature range, the system prevents the heating strap from inflating excessively and contacting adjacent sections, allowing longer strap length without increased short circuit risk
2Shape
If the heating strap is subjected to high tension to prevent inflation, then the cross-sectional area is maintained, but the heating strap may break due to excessive tension
Solution Approach 1:
The adjusting device employs movable supports with adjustment mechanisms that can dynamically modify the tension level on the heating strap. This allows the system to apply sufficient tension to prevent thermal inflation and maintain stable cross-sectional area, while simultaneously preventing excessive tension that could cause the strap to break, thereby optimizing both shape stability and strength
Solution Approach 2:
The system changes the tension parameter of the heating strap through the adjusting device, maintaining it within an optimal range. This controlled tension prevents the heating strap from inflating at high temperatures while avoiding excessive stress that would compromise its durability, thus achieving both cross-sectional area stability and structural strength
3Stability of the object's composition
If the heating strap is allowed to inflate freely at high temperature, then the thermal expansion is accommodated, but adjacent sections come into contact causing short circuits
Solution Approach 1:
The adjusting device with movable supports provides dynamic adjustment capability that accommodates thermal expansion of the heating strap. The supports can move to maintain optimal spacing between adjacent heating strap sections even as they inflate at high temperatures, preventing contact and short circuits while allowing necessary thermal expansion
Solution Approach 2:
The adjusting device acts as an intermediary mechanism between the heating strap sections, providing controlled spacing and tension. This intermediary structure prevents direct contact between adjacent heating strap sections during thermal expansion, eliminating short circuit risks while accommodating the natural thermal growth of the strap
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 effectively maintains the cross-sectional area of the heating strap, preventing short circuits and allowing for a longer lifespan by maintaining tension, even when the strap inflates, and enabling lower temperature operation with the same length of heating strap.
Implementation Method 1
Two springs are mounted to the two legs and biased between the second end board and the two nuts
Implementation Method 2
When electric current goes through the heating strap 4, the heating strap 4 generates heat due to resistance
Data Source
AI summary
A heating strap assembly includes a of heating strap engaged with positioning recesses of supports which are connected between two sides of a rectangular frame which includes a first end board, a second end board and the two sides connected between the first and second end boards. Two positioning bars are connected between the first and second end boards to press the supports. An adjusting device includes a U-shaped pull member which is movably connected to the second end board by springs. The pull member is connected to a driving support which is movably connected to the two sides of the frame and includes positioning recesses with which the heating strap is engaged. The springs pull the pull member to pull the heating strap so as to keep the tension of the heating strap.