Corrugated Electrical Heating Unit for Heat Shrink Cover Installation
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Solution Overview
Problem
Conventional methods for installing heat shrink covers in electrical applications, particularly in low-voltage to high-voltage settings, rely on open flames, which are unsafe and inefficient, and require skilled labor, whereas electrical heating systems struggle to follow the outer surface of shrinking materials effectively.
Innovation Solution
An electrical heating unit with a corrugated shape, comprising flexible heating elements on a bendable carrier with a sinusoidal cross-section, allowing it to adapt to various sizes and closely follow the heat shrink cover during heating, reducing the need for manual intervention and enhancing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional open flame methods are used for installing heat shrink covers, then installation speed and simplicity are improved, but safety hazards increase and energy efficiency deteriorates
Solution Approach 1:
The patent replaces the mechanical/open flame heating system with an electrical heating system. The electrical heating unit uses resistive heating elements to generate heat, eliminating the need for open flames while maintaining installation speed. This substitution resolves the contradiction by removing safety hazards associated with open flames while preserving productivity through controlled electrical heating.
Solution Approach 2:
The patent changes the heating parameter from uncontrolled flame temperature to controlled electrical heating temperature. By using electrical heating elements with regulated power output, the system maintains effective heating for installation speed while preventing the excessive temperatures and uncontrolled heat distribution that create safety hazards with open flames.
2Ease of operation
If conventional open flame methods are used, then installation simplicity is improved, but energy consumption increases
Solution Approach 1:
The electrical heating system replaces the open flame system, providing controlled and efficient energy conversion. Electrical heating elements convert electrical energy directly to thermal energy with higher efficiency compared to open flames, reducing overall energy consumption while maintaining ease of operation through automated control systems.
Solution Approach 2:
The electrical heating unit provides continuous and uniform heat distribution along the heat shrink cover, ensuring consistent heating without the intermittent and uneven heat delivery of open flames. This continuous useful action improves energy efficiency by eliminating wasted heat while maintaining installation simplicity through automated sequential heating zones.
3Stability of the object's composition
If rigid heating units are used, then structural stability is improved, but adaptability to different heat shrink cover sizes deteriorates
Solution Approach 1:
The heating unit employs a flexible carrier structure that can dynamically adapt its shape to match different heat shrink cover diameters. The carrier includes flexible support elements and adjustable positioning mechanisms that allow the heating elements to conform to various sizes while maintaining structural integrity and stable heat distribution during the heating process.
Solution Approach 2:
The patent uses a flexible carrier structure with thin-walled support elements that can bend and conform to different cylindrical surfaces. This flexible shell structure maintains structural stability through its material properties and geometric design while providing adaptability to different heat shrink cover sizes, resolving the contradiction between rigidity and versatility.
4Ease of manufacture
If smooth heating units are used, then manufacturing simplicity is improved, but thermal contact with heat shrink cover surface deteriorates
Solution Approach 1:
The heating unit features a corrugated or ribbed surface structure with curved profiles that match the cylindrical geometry of heat shrink covers. This curved surface design improves thermal contact by conforming to the cover's outer surface, enhancing heat transfer efficiency while remaining manufacturable through standard forming processes for corrugated structures.
Solution Approach 2:
The patent applies localized surface features (corrugations or ribs) specifically at the heating interface to improve thermal contact. These local quality modifications are concentrated only where thermal contact is needed, while the rest of the heating unit maintains simple manufacturing. The corrugated structure provides multiple contact points that adapt to surface variations, enhancing temperature distribution without complicating overall manufacturing.
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 corrugated electrical heating unit enables a safer, faster, and more energy-efficient installation of heat shrink covers across a range of voltages, reducing dependency on skilled labor and improving thermal contact, thus facilitating automated and uniform heat distribution.
Implementation Method 1
electrical heating element
Implementation Method 2
The carrier unit has a corrugated shape formed by a plurality of ridges extending along a longitudinal axis of the carrier unit
Data Source
AI summary
An electrical heating unit for heating a heat shrink cover includes an electrical heating element and a carrier unit on which the electrical heating element is assembled. The carrier unit is attachable to the heat shrink cover. The carrier unit has a corrugated shape formed by a plurality of ridges extending along a longitudinal axis of the carrier unit.