Please enable JavaScript.
Coggle requires JavaScript to display documents.
External Housing Subsystem - Coggle Diagram
External Housing Subsystem
User Requirements
Protect internal electronics from harsh environmental conditions
Be tamper-resistant
Be physically robust to avoid theft or vandalism
Ensure that it does not interfere with the user interface subsystem
Be easy to mount or erect near EV chargers
Be arranged neatly, with good cable management
Allow for passive cooling when needed, e.g. during summer
Functional Requirements
Enclose and protect all internal subsystems
Provide the appropriate cutouts and mounts
Support tamper switch or sensor installation
Have a basic ingress protection rating
Be constructed with heat-resistant material
Be lockable or screw-closed to prevent quick, easy access to internal hardware
Support effective cable management
Be constructed with low-cost, preferably recyclable materials
Design Specifications
Material
Polycarbonate or Powder-coated metal
Ingress Protection
IP54 Minimum
Temperature tolerance
Must be operational between -10°C and 40°C
Mounting options
Walll-mounted
Pole mounted
Interface cutouts
Must have accurate openings for user interface screens, credit card machine, cables, etc.
Tamper Detection Support
Must have space for tamper detection sensors
Cooling strategy
Must have vents that can open and close based on current weather conditions
Locking mechanism
Hex screw or tamper-proof lock
Potential Components
Enclosure box
Hammond 1554WGY
3D printed custom plastic enclosure
Recycled plastic enclosure
Tamper switches
Cherry D44
Omron SS-5GL
Ventilation filters
Hammond AVF Series
Locks
Tamper-proof hex bolts
Keyed locks