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    • 2. 发明申请
    • HVAC FILTER MONITORING
    • HVAC过滤器监控
    • US20120125592A1
    • 2012-05-24
    • US12987257
    • 2011-01-10
    • Anthony Michael FADELLYoky MATSUOKAMatthew Lee ROGERSDavid SLOO
    • Anthony Michael FADELLYoky MATSUOKAMatthew Lee ROGERSDavid SLOO
    • G05D23/19H02N2/18G06F15/00B01D46/42
    • F24F11/0012B01D46/0086F24D19/10F24D19/1084F24F11/30F24F11/32F24F11/39F24F11/46F24F11/47F24F11/52F24F11/56F24F11/61F24F11/62F24F11/63F24F11/64F24F11/89F24F2110/00F24F2110/10F24F2120/10F24F2120/20F24F2130/40F24F2140/60G05B13/0265G05B15/02G05D23/19G05D23/1902G05D23/1917H01R9/2416H04W4/70Y02B10/20Y02B10/70Y02D70/12Y02D70/122Y02D70/142Y02D70/144Y02D70/162Y10T29/49826
    • A method is described for identifying faults relating to an HVAC system, such a clogged filter. Sensor data is used to estimate HVAC system efficiency. Trends in system efficiency are then used to identify faults such as clogged filters. The sensor(s) can include one or more of the following types: optical sensor, temperature sensor, pressure sensor, acoustic transducer, humidity sensor, resistive sensor, capacitive sensor, and infrared sensor. The efficiency estimation can also be based on conditions external to the building, such as data from exterior sensors and/or data gathered from third parties such as government or private weather stations. The efficiency estimation can also be based on performance metrics such as the time used to reach a set point temperature. The fault identification includes filtering out non-fault related events.An instrumented air filter for use with an HVAC system is also described. The air filter, which can be disposable, can also include one or more of the following: a wireless communication device adapted to transmit data from the sensor to a receiver; a power harvester (e.g. using piezoelectric elements) positioned and adapted to generate power from air passing through the filter; and a power storage device adapted to store power generated by the power harvester.A method is also described for estimating HVAC system capacity based on user-inputted characteristics, such as the physical size, of an air filter used in the HVAC system.
    • 描述了一种用于识别与HVAC系统相关的故障的方法,这种堵塞的过滤器。 传感器数据用于估算HVAC系统的效率。 然后系统效率的趋势用于识别过滤器堵塞等故障。 传感器可以包括以下类型中的一种或多种:光学传感器,温度传感器,压力传感器,声学传感器,湿度传感器,电阻传感器,电容传感器和红外传感器。 效率估计还可以基于建筑外部的条件,例如来自外部传感器的数据和/或从第三方(例如政府或私人气象站)收集的数据。 效率估计也可以基于诸如达到设定点温度的时间等性能指标。 故障识别包括过滤非故障相关事件。 还描述了与HVAC系统一起使用的仪表用空气过滤器。 可以是一次性的空气过滤器还可以包括以下中的一个或多个:适于将数据从传感器传送到接收器的无线通信设备; 动力收割机(例如使用压电元件)定位并适于从通过过滤器的空气产生动力; 以及适于存储由所述电力收集机产生的电力的蓄电装置。 还描述了一种用于基于用户输入的特征(例如在HVAC系统中使用的空气过滤器的物理尺寸)来估计HVAC系统容量的方法。