Energy storage battery thermal runaway monitoring device based on optical fiber hydrogen sensor

An energy storage battery thermal runaway monitoring device based on an optical fiber hydrogen sensor belongs to the technical field of energy storage battery thermal runaway monitoring, and comprises a light source, a plurality of optical fiber probes, a light path routing unit and a control unit, the optical fiber probe is intrinsically safe, is not interfered by other gas components, resists high temperature and high pressure, resists strong electromagnetic interference and is suitable for an extreme environment; the hydrogen sensitive film realizes hydrogen concentration detection, and is high in sensitivity, fast in response and strong in anti-interference performance; the optical fiber type sensing head is arranged in the battery pack, no electrical element exists, and intrinsic safety is achieved; high-temperature and high-voltage resistance and strong electromagnetic interference resistance are achieved, and extreme environments are suitable; in addition, due to the particularity of the structure of t