SELF-CONTAINED FIRE WARNING-STARTING DEVICE Russian patent published in 2001 - IPC

FIELD: fire-fighting equipment; applicable in detection of high temperature and subsequent starting of automatic means of fire extinguishing, for instance, modules of powder fire extinguishing. SUBSTANCE: device has transducer, light indication unit, starting unit, power supply unit and audible warning device which is combined with light- indication unit, delay unit, control unit and actuating unit. Transducer is made in form of two-level transducer of limiting temperatures via series-connected normally closed and normally open contact pair whose circuit including delay unit-starting unit-actuating unit is connected with power-supply unit, and combined unit of light indication and audible warning device is connected to power-supply unit wit help of control unit in checking of serviceability of device, and by means of normally open pair of contacts of two-level transducer of limiting temperatures, in working regime. EFFECT: higher reliability and safety in use of device and prolonged service life. 2 dwg