Method and device for cleaning an optical entrance window of a fire detector

Method and device for cleaning an optical entrance window of a fire detector

The invention relates to a method for cleaning an optical entrance window (1) of a fire detector (2), wherein an intermittent gas stream is discharged onto the surface of the optical entrance window (1) of the fire detector (2) from at least one gas outlet opening (7), wherein the intermittent gas s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: STAMER, ARNE
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
CLEANING
CLEANING IN GENERAL
ORDER TELEGRAPHS
PERFORMING OPERATIONS
PHYSICS
PREVENTION OF FOULING IN GENERAL
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention relates to a method for cleaning an optical entrance window (1) of a fire detector (2), wherein an intermittent gas stream is discharged onto the surface of the optical entrance window (1) of the fire detector (2) from at least one gas outlet opening (7), wherein the intermittent gas stream is applied to the optical entrance window (1) with a number of pressure pulses (14), and to a device for cleaning an optical entrance window of a fire detector. The invention has the advantage that the optical entrance window of a fire detector can be cleaned of contaminants intermittently, and in accordance with the level of contamination, with adapted and low consumption of gas.