Extruder Controller Cooling Liquid System for Synthetic Thread Production
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Solution Overview
Problem
Existing machines for producing synthetic threads by extrusion or melt spinning face inefficiencies in cooling electrical components, leading to potential overheating and suboptimal performance.
Innovation Solution
A cooling liquid system with direct heat transfer contact between electrical components and cooling liquid, utilizing a primary and secondary heat exchanger circuit with adjustable cooling liquid flow and temperature control, and additional air cooling to enhance cooling efficiency and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If air flow cooling with secondary heat exchangers is used for electrical components, then the system can be implemented with existing technology, but the cooling efficiency is insufficient leading to potential overheating
Solution Approach 1:
The invention extracts the cooling function directly to the electrical components by integrating cooling liquid channels within the controller housing that directly contact the electrical components. This eliminates the intermediate air flow and secondary heat exchanger steps, achieving direct liquid-to-component heat transfer and substantially increased cooling efficiency.
Solution Approach 2:
The cooling liquid channels are nested within the controller housing structure itself, with the housing serving dual purposes as both structural enclosure and heat transfer medium carrier. This integration eliminates separate cooling components and reduces overall system complexity while improving cooling efficiency.
2Reliability
If direct cooling liquid contact is implemented, then cooling efficiency is substantially increased, but the risk of water damage to electrical components increases
Solution Approach 1:
The controller housing acts as an intermediary barrier between the cooling liquid and the electrical components. The housing contains integrated cooling liquid channels that transfer heat away from the electrical components without allowing direct contact between the liquid and the components, thus maintaining high cooling efficiency while preventing water damage.
Solution Approach 2:
The cooling liquid channels are strategically positioned within the housing to provide localized heat transfer contact points that are optimized for thermal efficiency while maintaining physical separation from sensitive electrical components throughout their entire operational path.
3Adaptability or versatility
If separate controller cabinets are provided for each controller, then each controller can be independently cooled, but the overall system complexity and space requirement increase
Solution Approach 1:
The invention merges multiple controller units into a single integrated controller housing that contains cooling liquid channels serving all electrical components simultaneously. This consolidation reduces the number of separate cabinets and components while maintaining the ability to independently control cooling for different functional areas through the integrated channel system.
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 solution significantly increases cooling efficiency by direct heat transfer and adaptive cooling, preventing overheating and ensuring consistent temperature control, thereby improving the performance and reliability of the synthetic thread production process.
Implementation Method 1
a cooling liquid system for cooling at least one controller, the cooling liquid system comprising at least one cooling member having a cooling liquid channel for the passage of a cooling liquid and being in heat transfer contact with at least a part of the electrical components of a controller
Implementation Method 2
The cooling liquid system comprises a primary cooling liquid circuit and a primary cooling liquid flowing through the primary cooling liquid circuit, and may further comprise a primary heat exchanger for cooling the primary cooling liquid
Implementation Method 3
In association with each one of the controller cabinets, there is provided a respective secondary heat exchanger. By means of each one of the secondary heat exchangers, an air flow generated by a fan provided in association with a respective controller cabinet is cooled
Data Source
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AI summary
A machine for producing synthetic threads comprises at least one extruder station (12) and at least one controller (18, 20, 22), further comprising a cooling liquid system (10) for cooling at least one controller (18, 20, 22), the cooling liquid system (10) comprising at least one cooling member (56) having a cooling liquid channel (60) for the passage of a cooling liquid and being in heat transfer contact with at least a part of the electrical components of a controller (18, 20, 22).