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公开(公告)号：US20080017723A1
公开(公告)日：2008-01-24
申请号：US11489423
申请日：2006-07-19
CPC分类号： G05D23/1931 , F24F1/027 , F24F11/30 , F24F11/52 , F24F2110/10
摘要： A refrigerant PTAC system, such as those commonly found in hotel rooms, can be selectively configured in a hardwire or wireless configuration with respect to its thermostat. The system is controlled in response to the better of two temperature sensors, which is determined based on the PTAC's configuration and the validity of the readings provided by the sensors. While the PTAC is controlled in response to a preferred temperature sensor, the alternate sensor may be monitored for diagnostics or other reasons. In the event that the preferred sensor fails to provide valid readings, the controller automatically switches to controlling the system in response to the alternate sensor. To minimize manufacturing costs and the variety of stocked parts, the PTAC's controller preferably includes two substantially identical transceivers.
摘要翻译： 制冷剂PTAC系统，例如在酒店房间中常见的制冷剂PTAC系统可以相对于其恒温器以硬线或无线配置选择性地配置。 响应于两个温度传感器的更好的控制系统，这两个温度传感器根据PTAC的配置和由传感器提供的读数的有效性确定。 当响应于优选的温度传感器来控制PTAC时，可以监视替代传感器以用于诊断或其他原因。 在优选传感器无法提供有效读数的情况下，控制器自动切换到响应于替代传感器来控制系统。 为了最小化制造成本和储备零件的种类，PTAC的控制器优选地包括两个基本相同的收发器。
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公开(公告)号：US07793513B2
公开(公告)日：2010-09-14
申请号：US11489423
申请日：2006-07-19
CPC分类号： G05D23/1931 , F24F1/027 , F24F11/30 , F24F11/52 , F24F2110/10
摘要： A refrigerant PTAC system, such as those commonly found in hotel rooms, can be selectively configured in a hardwire or wireless configuration with respect to its thermostat. The system is controlled in response to the better of two temperature sensors, which is determined based on the PTAC's configuration and the validity of the readings provided by the sensors. While the PTAC is controlled in response to a preferred temperature sensor, the alternate sensor may be monitored for diagnostics or other reasons. In the event that the preferred sensor fails to provide valid readings, the controller automatically switches to controlling the system in response to the alternate sensor. To minimize manufacturing costs and the variety of stocked parts, the PTAC's controller preferably includes two substantially identical transceivers.
摘要翻译： 制冷剂PTAC系统，例如在酒店房间中常见的制冷剂PTAC系统可以相对于其恒温器以硬线或无线配置选择性地配置。 响应于两个温度传感器的更好的控制系统，这两个温度传感器根据PTAC的配置和由传感器提供的读数的有效性确定。 当响应于优选的温度传感器来控制PTAC时，可以监视替代传感器以用于诊断或其他原因。 在优选传感器无法提供有效读数的情况下，控制器自动切换到响应于替代传感器来控制系统。 为了最小化制造成本和储备零件的种类，PTAC的控制器优选地包括两个基本相同的收发器。
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公开(公告)号：US08757506B2
公开(公告)日：2014-06-24
申请号：US11649388
申请日：2007-01-03
CPC分类号： F24F1/027 , F24F3/1405 , F24F2011/0002 , F25B13/00 , F25B49/02 , F25B2313/0293 , F25B2400/01
摘要： A refrigerant system includes a controller that enables the system to dehumidify the air in a room without relying on a humidistat and without having to operate the system's compressor and electric heater at the same time. To dehumidify the air, the system's compressor, supply air fan, and outside air damper are controlled in a manner similar to other systems operating in a cooling mode when the room temperature is above a certain setpoint temperature. When the room temperature falls below the setpoint, however, the operation changes significantly. The controller closes the outside air damper, decreases the speed of the fan, and continues operating in this manner until the room temperature decreases to a subcooling temperature limit. The subcooling temperature limit is less than a predetermined limit that is used during the system's normal cooling mode.
摘要翻译： 制冷剂系统包括控制器，其使得系统能够在不依赖于湿气的情况下对室内的空气进行除湿，而不必同时操作系统的压缩机和电加热器。 为了对空气进行除湿，当室温高于某个设定点温度时，系统的压缩机，供气扇和外部空气阻尼器的控制方式类似于以冷却模式工作的其它系统。 然而，当室内温度低于设定值时，操作会发生显着变化。 控制器关闭外部空气阻尼器，降低风扇的速度，并以此方式继续运行，直到室温降低到过冷温度极限。 过冷温度限制小于在系统正常冷却模式下使用的预定极限。
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公开(公告)号：US06919809B2
公开(公告)日：2005-07-19
申请号：US10700895
申请日：2003-11-03
申请人： Brad M. Blunn , Tedd P. Johnson , Eugene R. Shedivy , James K. McKeever , Chad A. Bjorklund , Dwight J. Watercott
发明人： Brad M. Blunn , Tedd P. Johnson , Eugene R. Shedivy , James K. McKeever , Chad A. Bjorklund , Dwight J. Watercott
IPC分类号： F24F11/00
CPC分类号： F24F11/0001 , F24F11/30 , F24F11/54 , F24F2110/10 , F24F2110/30 , F24F2110/70
摘要： A method of selecting a ventilation control strategy from among a plurality of ventilation control strategies. The method comprises the steps of: determining if a CO2 signal is present and valid; selecting a CO2 based ventilation control strategy if the CO2 signal is present and valid; selecting a second ventilation control strategy if the CO2 signal is not present or is invalid; and operating using the selected strategy. The selection step occurs in a zone controller.
摘要翻译： 一种从多个通气控制策略中选择换气控制策略的方法。 该方法包括以下步骤：确定CO 2信号是否存在且有效; 如果CO 2 2信号存在且有效，则选择基于CO 2的通气控制策略; 如果CO 2信号不存在或无效，则选择第二换气控制策略; 并使用所选策略进行操作。 选择步骤发生在区域控制器中。
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公开(公告)号：US5161387A
公开(公告)日：1992-11-10
申请号：US691940
申请日：1991-04-26
申请人： Alan G. Metcalfe , Tedd P. Johnson , David M. Foye
发明人： Alan G. Metcalfe , Tedd P. Johnson , David M. Foye
CPC分类号： G05D23/1905 , F24F11/02
摘要： A method of determining and controlling a load by a controller. The method comprises the steps of transmitting a signal for a first predetermined time period on an electrical line having a load in parallel with a capacitor; monitoring the electrical line for electrical activity within a second predetermined time period following the first time period; and controlling the load in response to the presence or absence of the electrical activity.
摘要翻译： 一种由控制器确定和控制负载的方法。 该方法包括以下步骤：在具有与电容器并联的负载的电线上传送第一预定时间段的信号; 在第一时间段之后的第二预定时间段内监测电线路的电活动; 并响应于是否存在电活动来控制负载。
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公开(公告)号：US20080156891A1
公开(公告)日：2008-07-03
申请号：US11649388
申请日：2007-01-03
CPC分类号： F24F1/027 , F24F3/1405 , F24F2011/0002 , F25B13/00 , F25B49/02 , F25B2313/0293 , F25B2400/01
摘要： A refrigerant system includes a controller that enables the system to dehumidify the air in a room without relying on a humidistat and without having to operate the system's compressor and electric heater at the same time. To dehumidify the air, the system's compressor, supply air fan, and outside air damper are controlled in a manner similar to other systems operating in a cooling mode when the room temperature is above a certain setpoint temperature. When the room temperature falls below the setpoint, however, the operation changes significantly. The controller closes the outside air damper, decreases the speed of the fan, and continues operating in this manner until the room temperature decreases to a subcooling temperature limit. The subcooling temperature limit is less than a predetermined limit that is used during the system's normal cooling mode.
摘要翻译： 制冷剂系统包括控制器，其使得系统能够在不依赖于湿气的情况下对室内的空气进行除湿，而不必同时操作系统的压缩机和电加热器。 为了对空气进行除湿，当室温高于某个设定点温度时，系统的压缩机，供气扇和外部空气阻尼器的控制方式类似于以冷却模式工作的其它系统。 然而，当室内温度低于设定值时，操作变化很大。 控制器关闭外部空气阻尼器，降低风扇的速度，并以此方式继续运行，直到室温降低到过冷温度极限。 过冷温度限制小于在系统正常冷却模式下使用的预定极限。
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公开(公告)号：US4838483A
公开(公告)日：1989-06-13
申请号：US179790
申请日：1988-04-11
申请人： Mark E. Nurczyk , Tedd P. Johnson
发明人： Mark E. Nurczyk , Tedd P. Johnson
CPC分类号： G05D7/0652 , F24F11/0001 , G05D23/1934 , G05D23/20
摘要： The variable opening of a pressure independent supply air valve for a building ventilation system is controlled in response to a standard airflow transducer whose output is modified to emulate a close tolerance transducer. In a calibration mode, a microcomputer based control closes the valve and a summing amplifier reduces the transducer output by an amount equal to a compensation signal provided by the microcomputer. Once the output is reduced to a predetermined desired level, the value of the compensation signal is stored in memory for later use during a run mode. In the run mode, the actual supply airflow rate is determined based upon the transducer output less the compensation signal. And the control adjusts the position of the valve until the actual airflow rate meets a desired airflow rate as determined by a room thermostat.
摘要翻译： 用于建筑物通风系统的压力独立供气阀的可变开启是响应于标准气流换能器而被控制的，该换能器的输出被修改以模拟紧公差传感器。 在校准模式中，基于微机的控制关闭阀，并且加法放大器将换能器输出减少量等于微计算机提供的补偿信号。 一旦输出减少到预定的期望值，补偿信号的值被存储在存储器中，以便在运行模式期间稍后使用。 在运行模式下，实际供气流量根据换能器输出而减去补偿信号确定。 并且该控制器调节阀的位置，直到实际气流速率满足由室温恒温器确定的所需气流速率。
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公开(公告)号：US4830274A
公开(公告)日：1989-05-16
申请号：US268743
申请日：1988-11-08
申请人： Tedd P. Johnson , Ronald J. Lievens
发明人： Tedd P. Johnson , Ronald J. Lievens
CPC分类号： F24F11/053 , F24F3/044
摘要： A pressure independent variable air volume valve (VAV valve) functions as a pressure dependent valve upon detecting a malfunctioning airflow indicator. Under normal operating conditions, the VAV valve modulates supply airflow to a comfort zone in response to the zone temperature and the rate of airflow through the valve. If the airflow indicator fails, the VAV valve modulates the supply airflow in response to the zone temperature, independent of the airflow indicator.
摘要翻译： 检测出故障的气流指示器时，压力独立的可变风量阀（VAV阀）用作压力相关阀。 在正常运行条件下，VAV阀根据区域温度和通过阀门的气流速率调节供应气流到舒适区域。 如果气流指示器出现故障，VAV阀门将根据区域温度调节供气量，与气流指示器无关。
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