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SENSOR-BASED INTERRUPTION OF AN IRRIGATION CONTROLLER
专利权人:
Rain Bird Corporation
发明人:
Steven W. Weiler,Joseph G. Porrazzo, JR.
申请号:
US16573834
公开号:
US20200012299A1
申请日:
2019.09.17
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Some embodiments provide a system and method for interfacing with an irrigation controller based on rainfall, the system comprising: an interface unit including a housing and a control unit within the housing and configured to: cause an interruption of one or more watering schedules executed by the irrigation controller, which is separate from the interface unit, based on signaling received from a rain sensor including hygroscopic material, when a sensed expansion of the hygroscopic material is above a set rainfall accumulation threshold parameter, the rain sensor being separate from the interface unit and the hygroscopic material being configured to expand in response to being contacted by the rainfall and to contract in response to an absence of the rainfall; and remove the interruption after a completion of a predetermined interval of time after a sensed contraction of the hygroscopic material indicative of a rainfall stop.
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