Invention Grant
US09534606B2 Test and monitoring system for a sump pump installation including trend analysis of pump performance 有权
水泵安装的测试和监测系统,包括泵性能的趋势分析

Test and monitoring system for a sump pump installation including trend analysis of pump performance
Abstract:
An automated system for testing and monitoring a sump pump installation includes an electrically-actuated valve which admits liquid to the sump container in response to a valve control signal. A test control module actuates the valve to initiate a test cycle during which liquid is admitted to the sump container to cause the liquid level in the container to rise to a predetermined level, after which the pump, if functional, discharges liquid from the container until the liquid level falls to a lower level and the test cycle is terminated. The test control module includes an indicator circuit which indicates in response to completion of the test cycle whether the test was successful or unsuccessful. A processor circuit records the elapsed time of successive test cycles and the current supplied to the sump pump motor to identify trends or anomalies in the operation of the pump and provide an output signal indicative thereof.
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