Portable Power Case With Removable LiFePO4 Battery Thermal Shielding
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Solution Overview
Problem
Existing portable electronic devices, particularly those used in military applications, generate excessive heat, which can cause discomfort, burns, and increase the risk of detection by thermal imaging, and existing power supplies do not allow for easy battery disassembly and charging.
Innovation Solution
A portable power case with a removable rechargeable battery and heat-dissipating material that can be disassembled and selectively removes batteries, featuring USB ports and access ports for power supply and charging, along with a heat-dissipating layer to reduce thermal exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If heat-dissipating material is added to portable power case, then heat dissipation performance is improved, but device complexity increases
Solution Approach 1:
The heat-dissipating material is integrated within the housing structure of the portable power case, nesting the thermal management function within the existing device boundaries. This allows heat dissipation capability to be embedded without adding external components or increasing overall device complexity.
Solution Approach 2:
The patent employs composite material construction for the housing, combining structural materials with heat-dissipating materials to create a multi-functional component that simultaneously provides mechanical support and thermal management, thereby improving heat dissipation without proportionally increasing complexity.
2Ease of operation
If battery is made selectively removable, then ease of operation is improved, but reliability worsens
Solution Approach 1:
The portable power case is segmented into modular components, with the battery pack designed as a separable unit that can be independently removed or installed. This segmentation enables easy battery replacement while maintaining system reliability through standardized connection interfaces that ensure proper electrical and mechanical coupling.
Solution Approach 2:
A connector or interface mechanism serves as an intermediary between the battery and housing, providing a controlled separation point that allows easy removal while maintaining reliable electrical connections during operation. This intermediary component manages the transition between connected and separated states.
3Object-affected harmful factors
If heat-shielding layer is added to prevent heat transfer, then object-affected harmful factors are reduced, but device complexity increases
Solution Approach 1:
The housing incorporates composite materials that combine structural integrity with inherent heat-shielding properties. This integration allows the same component to serve both mechanical support and thermal protection functions, reducing heat transfer to the user without adding separate complexity layers.
Solution Approach 2:
The heat-shielding layer is nested within the housing structure, embedding thermal protection functionality within the existing device architecture. This nesting approach allows heat shielding to be provided without increasing external dimensions or adding independent 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
The solution effectively dissipates heat, prevents burns, and reduces thermal detection risk while allowing flexible power management and battery replacement, ensuring reliable operation in challenging environments.
Implementation Method 1
heat-dissipating material that includes a heat-shielding or blocking layer to prevent heat transfer
Data Source
AI summary
Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least one USB port and at least two access ports, at least two leads, or at least one access port and at least one lead. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.