De-icing of satellite antenna with cover

Details De-icing of satellite antenna with cover De-icing of satellite antenna with cover

H - Electricity

01

Q

H01Q 1/02 (2006.01)

Patent

CA 2231844

A system for preventing the interruption of satellite communications between an earth antenna and a satellite during inclement weather. The system is comprised of a cover (112), which covers the antenna (100) and substantially prevents the accumulation of snow and precipitation on the antenna (100), and a heating system (124) which provides heated air to a space between the cover (112) and the antenna (100) to inhibit snow from sticking to the cover (112) and also to inhibit the formation of frozen moisture on the cover (112) during freezing rain and freezing fog conditions. In one embodiment, the system has an electric, gas or oil heater and a blower system (172) which draws air from the space between the cover (112) and the antenna (100), heats this air and then recirculates the heated air back to the space. Further, the heating system (124) is equipped with a temperature and moisture sensor unit (200) and a controller (190).

L'invention concerne un système pour empêcher l'interruption des communications entre une antenne terrestre et un satellite durant des intempéries. Le système comprend une protection (112) qui couvre l'antenne (100) et qui empêche efficacement la neige et d'autres précipitations de s'accumuler sur l'antenne (100), ainsi qu'un système de chauffage (124) qui amène de l'air chauffé dans l'espace situé entre la protection (112) et l'antenne, afin d'empêcher la neige d'adhérer à la protection (112) et d'empêcher également la formation de givre sur la protection (112) en cas de pluies givrantes et de brouillards givrants. Dans un mode de réalisation, le système comporte un dispositif de chauffage électrique, à gaz ou à mazout et une soufflante (172) qui aspire l'air de l'espace situé entre la protection (112) et l'antenne (100), chauffe cet air et renvoie l'air chauffé dans cet espace. En outre, le dispositif chauffant (124) est équipé d'une unité (200) à sonde de température et à sonde d'humidité et un dispositif de commande (190).

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