Spinning Foreign-Part Detection Lighting With Sealed Liquid Cooling
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Solution Overview
Problem
Devices for detecting foreign parts in spinning preparation face challenges with high dust contamination and inadequate heat dissipation of lighting units, leading to premature aging and increased construction complexity.
Innovation Solution
A closed housing with a liquid cooling unit is used to dissipate heat from the lighting units, preventing contamination and maintaining effective heat dissipation, while a combined air flow from the heat exchanger and suction unit enhances foreign part removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If convection cooling is used for lighting units, then heat dissipation is achieved, but dust contamination increases heavily
Solution Approach 1:
The device is segmented into separate functional zones: a closed housing containing the lighting unit is separated from the dust-laden inspection channel. This spatial segmentation allows the lighting unit to be protected from dust while the inspection channel continues to process fibrous material, resolving the contradiction between heat dissipation and dust contamination.
Solution Approach 2:
A closed housing acts as an intermediary barrier between the lighting unit and the dust environment. This intermediary structure enables liquid cooling to function effectively while preventing dust particles from entering the lighting unit, thus maintaining both heat dissipation performance and cleanliness.
2Object-affected harmful factors
If a closed housing with liquid cooling is used, then dust contamination is prevented, but device complexity increases
Solution Approach 1:
The cooling channels are merged directly into the housing structure itself, rather than being separate components. This integration of cooling functionality into the housing design eliminates the need for additional external cooling systems, thereby reducing overall device complexity while maintaining effective dust protection and heat dissipation.
Solution Approach 2:
The closed housing serves multiple functions simultaneously: it provides structural support, prevents dust contamination, and contains the liquid cooling system. This multi-functionality reduces the need for separate components, thereby simplifying the overall device construction while achieving the desired protection and cooling performance.
3Device complexity
If lighting units are exposed to dust, then structural simplicity is maintained, but lighting unit lifespan decreases due to premature aging
Solution Approach 1:
The closed housing is installed beforehand to create a protective barrier before dust contamination can occur. This preliminary protective action prevents dust particles from reaching the lighting unit, thereby extending its operational lifespan without requiring complex post-contamination cleaning or replacement systems.
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 prevents dust contamination and extends the lifespan of lighting units, while reducing construction effort and maintaining efficient heat dissipation, ensuring reliable operation and improved foreign part detection.
Implementation Method 1
a liquid cooling unit is provided for cooling the lighting unit, with which heat generated during operation of the lighting unit can be led out of the housing by means of a liquid
Implementation Method 2
heat generated during operation of the lighting unit can be led out of the housing by means of a liquid
Implementation Method 3
The liquid cooling unit comprises a heat exchanger, by means of which heat is transferred from the liquid to cooling air flowing through the heat exchanger
Implementation Method 4
the foreign particles are guided into a suction pipe via a rotary valve and then removed from the device by means of a transport air stream via an air line
Implementation Method 5
The suction unit draws the transport air from the device housing, thereby sucking contaminants particularly strongly from the outside into the interior of the device housing
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a device (1) for identifying foreign parts during spinning preparation, comprising an inspection channel (10), through which a fiber material stream (11) can be conducted, wherein foreign parts (12) to be identified are present in the fiber material stream (11), for which purpose at least one lighting unit (13) is provided for radiating light into the inspection channel (10), and wherein at least one camera (14) is provided, by means of which light produced by the lighting unit (13) and reflected by the foreign part (12) can be detected. According to the invention, a closed housing (15) is provided, in which the lighting unit (13) is accommodated in an air-tight manner, wherein a liquid cooling unit (16) is provided for cooling the lighting unit (13), by means of which liquid cooling unit heat arising during the operation of the lighting unit (13) can be removed from the housing (15) by means of a liquid.