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need non conductive material on the inside
strength
access cover
Battery Box Cover
possibility of adding ceramic fibre / ceramic blanket / ceramic paper on the inside to contain heat
able to service the battery modules
entire area above modules must be open (able to see it ) when cover is open
modules will be installed by lowering them vertically into their slots
Rear Electronics cover
during egress, this part will be climbed over by someone
must be strong to hold people’s weight
current goal: separating high voltage and low voltage sections inside rear electronics enclosure
there will be two supports inside the cover, running along the length of the catamaran
(will later update on this when CAD/structural is decided)
current proposal for CAD – Rear Electronics Enclosure Proposed Layout
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access cover needs
power supply input
AUX battery input
USB ports for phone charging
Recap of ASC Battery Enclosure Regulations
Isolation
resistance measured between battery terminals and any portion of the solar car chassis shall be greater than the 1MΩ, for applied potential up to 500V
Mounting
cover should be secured to the chassis to prevent the battery / modules from coming loose from events like accident / rollover
Marking
top of each cover must be marked with letters at least 10mm high with
“Caution: Chemical Hazard”
“High Voltage”
type of the battery (ex. Li-ion)
any other standard hazard marking specific to the type of battery as well
External Cooling
external supplementary cooling of the battery is not permitted beyond the ventilation requirements
unless external cooling is powered by the main battery pack and is physically contained and secured to the car (or in emergency)
Security
a seal need to be placed that indicates contravention of the regulation
to prelude unauthorized access to battery / enclosure
provision shall be made to seal the battery / enclosure
if access to the seal is needed, must inform their observer
Other things to include are: interesting research, images, links, recap of regulations, etc.
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