Media Line Heating Element Routing to Reduce Connector Power Coupling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing media lines with internal heating elements often experience excessive power coupling, particularly with short lines, due to limited fastening variations and constant wrapping and crimping methods, leading to inefficient heating performance.
Innovation Solution
The solution involves a prefabricated media line with internal heating elements where only one heating element is used to heat the line connector, with the other element either wound around the connector or left open, and the heating elements are connected in series or parallel to optimize heating performance, allowing for adjustable power distribution and reduced waste during cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If both heating conductors are routed through a single connector, then the heating coverage is maximized, but the power coupling becomes excessive particularly with short lines
Solution Approach 1:
The heating conductors are segmented into two separate routing paths: one conductor remains internal to the media line, while the other conductor is routed externally through the connector. This segmentation allows independent control and optimization of heating zones, preventing excessive power coupling at the connector while maintaining comprehensive heating coverage.
Solution Approach 2:
Different heating strategies are applied to different locations: the internal conductor provides distributed heating along the media line, while the external conductor provides focused heating at the connector. This local quality approach optimizes power distribution by matching heating intensity to local requirements, avoiding overheating at the connector.
2Ease of manufacture
If standard wrapping and fastening methods are used for heating conductors, then manufacturing consistency is maintained, but heating performance optimization is limited
Solution Approach 1:
The fastening structure incorporates a ribbed design on the connector exterior that dynamically adapts to different conductor configurations. The ribs provide flexible retention points that can accommodate varying wrap counts and positions, allowing optimization of heating performance while maintaining manufacturing consistency through a standardized yet adaptable fastening mechanism.
Solution Approach 2:
The ribbed fastening structure acts as an intermediary between the heating conductors and the connector housing. It provides a standardized interface that simplifies manufacturing while allowing variable winding patterns and fastening methods to be implemented, thus bridging the gap between manufacturing consistency and heating performance optimization.
3Reliability
If heating conductors are tightly fastened in the connector, then mechanical stability is improved, but power coupling increases leading to overheating
Solution Approach 1:
The heating system is segmented into internal and external conductors with distinct fastening requirements. The internal conductor is secured within the media line with minimal connector interaction, while the external conductor is fastened to the connector exterior. This segmentation allows the external conductor to be tightly fastened for mechanical stability without increasing power coupling, as the heating zones are spatially separated.
Solution Approach 2:
The heating conductors are arranged in different spatial dimensions: the internal conductor runs through the media line lumen, while the external conductor is positioned on the connector exterior. This dimensional separation allows independent optimization of mechanical fastening and thermal management, enabling tight fastening of the external conductor without increasing power coupling at the connector interface.
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
This approach reduces power requirements, minimizes waste, and allows for optimized heating of the media line and line connectors, achieving a balanced heating output while preventing overheating, with heating power requirements ranging from 0.4 to 1.8 W, depending on the configuration.
Implementation Method 1
the heating elements are connected in series or parallel to optimize heating performance, allowing for adjustable power distribution
Implementation Method 2
only one heating element is used to heat the line connector, with the other element either wound around the connector or left open
Data Source
Figure 1a~1b
Figure 2~4
Figure 3
AI summary
The invention relates to an assembled media line comprising a media line (1, 1a, 1b) having inner heating elements (2, 3) and at least one line connector (4, 5). In order to heat the line connector (4, 5), only one of the heating elements (2, 3) is arranged around said line connector and at least partially surrounds the same. The invention also relates to a method for assembling a media line (1, 1a, 1b) comprising inner heating elements (2, 3). The heating elements (2, 3) are pulled through the media line (1, 1a), the media line (1, 1a, 1b) is mounted on a line connector (4, 5), and at least one sealing element is placed on the media line to seal the heating elements (2, 3) from the line connector (4, 5) and is mounted on the line connector (4,5). According to the invention, when two heating elements (2, 3) of identical length are used, these heating elements are positioned on the end of the media line (1, 1a, 1b) such that one of the heating elements (2, 3) protrudes more from the media line than the at least one other or one of the heating elements (2, 3) is cut to be longer than the other(s), only one of the heating elements (2, 3) is at least partially wound or arranged around the line connector (4, 5), and the heating elements (2, 3) are left open or are electrically connected to each other and/or to PTC resistors (7, 8) and/or to a bridging element and/or filler element or are connected in parallel.