It's a highly unlikely scenario, but I'd feel daft if it ever happened and I hadn't made this small effort. I'd also have damaged lungs, and they're pretty bad already.
To save myself and others all that energetic running about and coughing out dense toxic smoke, I decided to strap an overheat alarm to my ebike battery when travelling on public transport. If the alarm sounds, I'll smash a window and throw the damn ebike battery out. The hammer is yet to arrive from China.
Buzzer:
To test the buzzer:
To switch the unit on/off:
This may or not provide ennough power, will have to see. If not I'll have to make a 12V power pack, or try a powerbank via a voltage converter.
Handy window hammer, in case I can't grab one of the hammers behind glass located next to a window quickly:
There's plenty of room inside the case, it should all fit in:
A velcro strap will hold it onto the ebike battery, the heat probe will be backed by a heat insulator (polystyrene) and will be held down between the unit and the battery.
The version I use at home, when charging or storing my ebike battery:
https://www.pedelecs.co.uk/forum/threads/home-ruination-by-ebike-battery-fire-expulserating-preterminator%E2%84%A2%C2%AE%C2%A9%E2%84%A0.46934/#post-708613
To save myself and others all that energetic running about and coughing out dense toxic smoke, I decided to strap an overheat alarm to my ebike battery when travelling on public transport. If the alarm sounds, I'll smash a window and throw the damn ebike battery out. The hammer is yet to arrive from China.
Digital Temperature Controllers 10A Thermostat Controls Switch with Probe Sensor | eBay
Mounting hole distance: 73mm/2.87" (aperture 4mm/0.16"). Temperature range: -50 ° C ~ 110 ° C. Starting temperature. Stop temperature. Temperature correction. (Note: Delay start is generally used for compressor refrigeration. ).
www.ebay.co.uk
Buzzer:
DC12V Electronic Piezo Active Continuous Buzzer Alarm Sounder Waterproof | eBay
DC 12V Waterproof Plug- in Piezoelectric Active Buzzer. 1 piece buzzer.
www.ebay.co.uk
To test the buzzer:
12V Momentary Push Button Horn OFF (ON) Doorbell Switch SPST | eBay
Maximum Panel Thickness: 2mm. 12mm panel cut-out.
www.ebay.co.uk
To switch the unit on/off:
ON/OFF Round Rocker Switch LED illuminated Car Dashboard Dash Boat Van 12V | eBay
Switch Markings: 6A 250VAC, 10A 125VAC.
www.ebay.co.uk
This may or not provide ennough power, will have to see. If not I'll have to make a 12V power pack, or try a powerbank via a voltage converter.
12 volt power supply. 1x 23a 12v battery holder & battery. MN21 A23 etc | eBay
Gives a 12 volt output.
www.ebay.co.uk
Handy window hammer, in case I can't grab one of the hammers behind glass located next to a window quickly:
Car Window Glass Breaker Seat Belt Cutter Emergency Escape Tool Safety нμ рт е√ | eBay
Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Features: Easy to Use, Multifunctional, Durable.
www.ebay.co.uk
There's plenty of room inside the case, it should all fit in:
A velcro strap will hold it onto the ebike battery, the heat probe will be backed by a heat insulator (polystyrene) and will be held down between the unit and the battery.
The version I use at home, when charging or storing my ebike battery:
https://www.pedelecs.co.uk/forum/threads/home-ruination-by-ebike-battery-fire-expulserating-preterminator%E2%84%A2%C2%AE%C2%A9%E2%84%A0.46934/#post-708613
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