Conveyor Roller PCB Housing With Conductive Potting
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Solution Overview
Problem
Conventional conveyor roller apparatuses experience high operating temperatures due to heat generated by high-powered PCB assemblies, leading to dangerous conditions, operational inefficiencies, and reduced lifespan.
Innovation Solution
A conveyor roller apparatus with an internal roller housing containing a PCB compartment filled with a heat-conductive potting material that dissipates heat generated by the PCB assembly, maintaining reasonable operating temperatures and securing electronic components during rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If high-powered PCB assemblies are used to control the conveyor roller apparatus, then operational control capability is improved, but operating temperature increases to dangerous levels
Solution Approach 1:
The patent extracts the heat dissipation function from the general housing structure by creating a dedicated PCB compartment with integrated heat dissipation features. The housing is divided into a PCB compartment and motor compartment, with the PCB compartment specifically designed to manage thermal loads from electronic components through conductive pathways and thermal interfaces.
Solution Approach 2:
The patent introduces thermal interface materials and conductive structures as intermediaries between the PCB assembly and the housing. These intermediary elements facilitate heat transfer from the PCB to the housing, which then acts as a heat sink to dissipate thermal energy to the surrounding environment.
2Device complexity
If PCB assemblies are disposed within the roller housing without dedicated compartmentation, then device complexity is reduced, but heat dissipation becomes inefficient leading to overheating
Solution Approach 1:
The housing is segmented into distinct functional compartments: a PCB compartment for electronic components and a motor compartment for the drive motor. This segmentation allows each compartment to be optimized for its specific function, with the PCB compartment featuring dedicated heat dissipation pathways and the motor compartment isolated for mechanical operations.
Solution Approach 2:
The PCB compartment is given special local qualities for heat management, including conductive housing walls, thermal interface materials, and optimized geometry for heat dissipation. This local quality enhancement focuses thermal management resources where they are most needed without requiring complete redesign of the entire housing structure.
3Stability of the object's composition
If PCB assemblies are secured within the roller housing during rotation, then operational stability is improved, but heat accumulation increases due to restricted airflow
Solution Approach 1:
The patent merges the mechanical support function and thermal management function into a single integrated PCB compartment structure. The housing walls serve dual purposes: providing structural support to secure the PCB assembly during rotation while simultaneously acting as heat conduction pathways to dissipate thermal energy.
Solution Approach 2:
The PCB compartment housing is designed with multi-functionality, serving as both a structural support element for securing the PCB assembly and a thermal management element for heat dissipation. This universal design achieves both operational stability and effective heat management without requiring separate 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 dissipates heat from the PCB assembly, preventing dangerously high temperatures, enhancing operational efficiency, and prolonging the apparatus' lifespan by minimizing overheating risks.
Implementation Method 1
at least one potting material disposed within the PCB compartment and configured to facilitate an at least partial dissipation of heat generated by the PCB assembly from within the PCB compartment
Data Source
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AI summary
Various embodiments are directed to a conveyor roller apparatus and methods of using the same. In various embodiments, a conveyor roller apparatus comprises an exterior roller shell configured to support at least a portion of an object disposed on an outer surface thereof to facilitate transportation of the object along a conveyor surface, the exterior roller shell having an at least substantially tubular configuration so as to define an interior roller portion along a central axis thereof; an internal roller housing disposed within the interior roller portion of the exterior roller shell, the internal roller housing comprising a PCB compartment defined by an internal channel within the internal roller housing that is configured for housing the PCB assembly therein; and at least one potting material disposed within the PCB compartment and configured to facilitate a dissipation of heat generated by the PCB assembly from within the PCB compartment.