FIELD: fire alarms.
SUBSTANCE: invention relates to the field of fire alarms, namely to optical-electronic smoke detectors for fire alarms with scattered light, as well as to the field of protection of detectors from dust ingress. The technical result is to provide protection of the detector from clogging with building materials and dust during the period of repair work in the room, the exclusion of smoke flow around when it spreads horizontally, and the provision of protection during transportation.
EFFECT: technical result of the proposed technical solution is achieved by the fact that the detector contains a socket with a mount, a plastic case with slotted holes in the side of the housing, a board, an indicator, an optical module, while the housing is made in the form of a truncated cone; casing between the holes there are smoke guide elements in the form of rectangular prisms.
3 cl, 2 dwg
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| SMOKE ALARM DESIGN | 2007 |
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