EN ANORDNING FÖR OCH EN METOD FÖR DETEKTERING AV GASLÄCKAGE FRÅN ETT BATTERI

Patentradars sammanfattning

Dafo Vehicle AB's invention addresses thermal runaway risk in Li-ion EV batteries by deploying multiple gas detectors whose alert thresholds are dynamically computed by a control unit based on each detector's spatial relationship to predetermined reference positions (e.g., safety valve outlets or housing openings). Detectors closer to known leak points operate with higher absolute gas-level thresholds, while remote detectors compensate with lower thresholds and heightened sensitivity to rate-of-change in gas concentration. The system can also infer whether detected gas originates from a known reference position or an unexpected location, enabling more nuanced hazard assessment. Target gases include HF, CO, CO2, H2, and hydrocarbons.

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