FIELD: alarms.
SUBSTANCE: optical-electronic smoke sensor contains a socket with fastening, a plastic case with slotted holes in the side of the case, a board, an indicator, an optical module, and a protective grid. The side surface of the housing is made of a cylindrical shape, the protective mesh is made in the shape of a hollow cylinder and is placed inside the casing, the casing is made in the shape of a hollow cylinder and is fixed on the inner surface of the casing using latches, rectangular holes are made on the surface of the casing, additionally installed between the casing and the outer surface of the casing rectangular-shaped catching nets in the amount of 8 pieces; the catching nets are fixed with their side edges in grooves located on the outer side surface of the casing and the inner surface of the housing.
EFFECT: improved efficiency of the sensor by improving the quality of filtration of air penetrating into the housing through slot holes and reducing the labour intensity of operational maintenance.
1 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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