| 摘要 |
FIELD: fire safety. ^ SUBSTANCE: invention relates to fire alarm system equipment, for example, that of railway cars. The proposed system incorporating fire sensor unit and fire warning units differs in that the aforesaid fire sensor unit additionally comprises the 1st and 2nd relays with their inputs connected to the 3rd and 4th outputs of the 1st microprocessor. Note that every aforesaid warning unit comprises additionally 2nd rectifier, bistable relay with its 1st and 2nd inputs connected to 2nd and 3rd outputs of the 2nd microprocessor, respectively. ^ EFFECT: expanded performances and higher reliability. ^ 2 dwg |
