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Criteria

Constraints

Maintain airflow within ebox [check appropriate temp range]

Minimize weightWeight no more than 2.30kg when empty (weight of current ebox)

Easy access to all internal components

Fit all components listed on List of Ebox Contents 2023

Temperature monitoring

  • Main concern is the 24V buck converter as it deals with very high currents

IC: max temp 125 C

  • BMS has built-in temperature sensor

  • use this to get an idea of temp inside ebox

  • ensure 24V buck has efficient airflow

Budget of $150

  • aluminum sheet metal

  • necessary connectors/cable glands

Organized wire routing

  • use zip ties where necessary to allow for easy access to all internal components

Able to be manufactured in student machine shop

Seal box to prevent dust/dirt from entering

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Design Improvements

  • Perhaps mount on side with filtered vents at top to allow heat to rise out from enclosure

Design Concepts

  • Pictures, sketches, low level CAD of design concepts

  • How would these systems work?

  • What are the risks associated with each individual design concept?

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