Continuous Heating Wire Layout for Heatable Medium Pipes
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Solution Overview
Problem
The existing methods for producing heatable medium pipes with integrated heating elements are costly and labor-intensive due to the need for numerous joints and complex connections, which can be prone to damage from vibrations, leading to potential short-circuits and increased production expenses.
Innovation Solution
A heatable medium pipe design where the heating element, comprising a few wire or wire strands, is continuously wrapped around both the medium pipe and the pipe connectors, eliminating the need for additional heating wires on the connectors and reducing the number of joints, with a varying pitch for efficient heat distribution and adaptive attachment to suit specific applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate heating wires are used for pipe connectors and medium pipes with multiple joints and connections, then heating coverage is complete, but production cost increases and reliability decreases due to numerous joints prone to vibration damage
Solution Approach 1:
The patent merges the heating elements for the medium pipe and pipe connectors into a single continuous heating wire that extends from the medium pipe through the transition area onto the pipe connector. This eliminates multiple separate heating elements and their associated joints, directly reducing the number of connection points vulnerable to vibration damage while maintaining complete heating coverage across both components.
2Ease of manufacture
If multiple separate heating elements with joints are used for pipe connectors and medium pipes, then heating coverage is ensured, but manufacturing complexity and production time increase
Solution Approach 1:
The heating wire is pre-assembled in a continuous configuration that spans both the medium pipe and pipe connector before final assembly. This preliminary arrangement of the heating element eliminates the need for complex on-site connections and assembly operations, significantly simplifying the manufacturing process and reducing production time while ensuring proper heating coverage from the start.
3Reliability
If heating wires are wrapped around pipe connectors separately, then connectors are adequately heated, but additional material and production cost are required
Solution Approach 1:
The heating wire for the pipe connector is merged with the heating wire for the medium pipe into a single continuous element. This eliminates the need for separate heating wire material for the connector, reducing overall material consumption and production cost while ensuring the connector receives adequate heating through the continuous wire that spans both components.
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 minimizes production costs and reduces the risk of joint failure by providing a continuous heating element that covers both the medium pipe and connectors without additional joints, ensuring reliable heat input and reduced material usage while allowing for flexible adaptation to different heat output requirements.
Implementation Method 1
electrical heating means are provided in an arrangement enclosing at least partially the current channel
Implementation Method 2
when a current flows through the outer heating wire an induction is provided in the inner coil winding for generating heat
Data Source
AI summary
A heatable medium pipe having at least one pipe connector and heating element, wherein the heating element has a few wires, in particular two wires, and said wires extend continuously along the medium pipe and along the at least one pipe connector. In a method for producing such a heatable medium pipe, the heating element is continuously wound around a tubular medium pipe and the heating element is pre-assembled on the medium pipe in that the heating element is fastened or fixed by at least one fastening element, the medium pipe is cut to a first length for the particular application, the length corresponding to the desired medium pipe length (lR) plus the heating element length (lH) required for wrapping around the at least one pipe connector and the transition area the fastening element is removed in the region outside the desired medium pipe length (lR), the heating element is unwrapped from the medium pipe section cut from the first length, the medium pipe is cut to the desired medium pipe length (lR) to form a second medium pipe section, the medium pipe section is connected to the at least one pipe connector as the medium pipe, and the heating element is at least wrapped around the at least one pipe connector.