| 摘要 |
FIELD: construction industry. ^ SUBSTANCE: method for providing protection systems for barriers moved along working path and brought into operation with motor, such as rolling shutters, gates, involves connection of barrier to gap with fixed part so that barrier is moved along movement section irrespective of motor action; determination of set of safe positions inside movement section, which correspond to safe position of barrier; storing of at least one set of safe positions; at that, the above set of safe positions is mutually and uniquely connected to set of positions of barrier along working path; determination of actual position of barrier along movement section relative to fixed part when barrier moves along working path; comparison of the appropriate value belonging to set of safe positions to actual position of barrier along movement section, when barrier reaches the point which belongs to set of positions along working path; prevention or reversal of action of motor and/or movement of barrier when barrier inside movement section (98) is in the position not included in set of safe positions. ^ EFFECT: improving structural reliability of rolling shutters. ^ 29 cl, 23 dwg |
