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    • 7. 发明授权
    • Optimized control system for cooling systems
    • 优化的冷却系统控制系统
    • US08406929B2
    • 2013-03-26
    • US13027261
    • 2011-02-14
    • Scot M. Duncan
    • Scot M. Duncan
    • G05B21/00G05B13/00G01M1/38G05G15/00G05D23/00G05D23/275F24F3/00F24F11/00F24D19/10
    • F24F5/0035F24F11/30F24F11/54F24F11/62
    • A cooling system for providing conditioned air to a facility includes a chiller or other cooling subsystem, a cooling tower subsystem and one or more air handling units or process cooling units. The cooling subsystem may advantageously include one or more chillers (e.g., variable speed chillers, constant speed chillers, absorption chillers, etc.) and chilled fluid pumps. The cooling tower subsystem includes one or more cooling tower units and condenser fluid pumps. In some implementations, the air handling unit has a cooling coil and a variable volume fan. In some implementations, direct expansion (DX) cooling systems comprise compressors, evaporators and air-cooled, water-cooled or evaporatively-cooled condensing systems. Such systems can be controlled to reduce energy waste, improve occupant comfort and/or improve the thermal characteristics of the process cooling unit. The cooling system further comprises a control system which is configured to evaluate a cooling load value at the air handling unit and use the cooling load value to calculate at least one operational setpoint. The operational setpoint may advantageously be selected to improve the energy efficiency of the overall cooling system.
    • 用于向设施提供调节空气的冷却系统包括冷却器或其它冷却子系统,冷却塔子系统以及一个或多个空气处理单元或处理冷却单元。 冷却子系统可以有利地包括一个或多个冷却器(例如,可变速度制冷机,恒速冷却器,吸收式制冷机等)和冷却液泵。 冷却塔子系统包括一个或多个冷却塔单元和冷凝器流体泵。 在一些实施方式中,空气处理单元具有冷却盘管和可变容积风扇。 在一些实施方式中,直接膨胀(DX)冷却系统包括压缩机,蒸发器和风冷,水冷或蒸发冷却的冷凝系统。 可以控制这样的系统以减少能量浪费,提高乘员舒适度和/或改善过程冷却单元的热特性。 冷却系统还包括控制系统,其被配置为评估空气处理单元处的冷却负载值,并使用冷却负载值来计算至少一个操作设定点。 可以有利地选择操作设定点以提高总体冷却系统的能量效率。
    • 8. 发明授权
    • Optimized control system for cooling systems
    • 优化的冷却系统控制系统
    • US07890215B2
    • 2011-02-15
    • US11959294
    • 2007-12-18
    • Scot M. Duncan
    • Scot M. Duncan
    • G05B21/00G05B13/00G05B15/00G01M1/38G05D23/00F25D17/00
    • F24F5/0035F24F11/30F24F11/54F24F11/62
    • A cooling system for providing conditioned air to a facility includes a chiller or other cooling subsystem, a cooling tower subsystem and one or more air handling units or process cooling units. The cooling subsystem may advantageously include one or more chillers (e.g., variable speed chillers, constant speed chillers, absorption chillers, etc.) and chilled fluid pumps. The cooling tower subsystem includes one or more cooling tower units and condenser fluid pumps. In some implementations, the air handling unit has a cooling coil and a variable volume fan. In some implementations, direct expansion (DX) cooling systems comprise compressors, evaporators and air-cooled, water-cooled or evaporatively-cooled condensing systems. Such systems can be controlled to reduce energy waste, improve occupant comfort and/or improve the thermal characteristics of the process cooling unit. The cooling system further comprises a control system which is configured to evaluate a cooling load value at the air handling unit and use the cooling load value to calculate at least one operational setpoint. The operational setpoint may advantageously be selected to improve the energy efficiency of the overall cooling system.
    • 用于向设施提供调节空气的冷却系统包括冷却器或其它冷却子系统,冷却塔子系统以及一个或多个空气处理单元或处理冷却单元。 冷却子系统可以有利地包括一个或多个冷却器(例如,可变速度制冷机,恒速冷却器,吸收式制冷机等)和冷却液泵。 冷却塔子系统包括一个或多个冷却塔单元和冷凝器流体泵。 在一些实施方式中,空气处理单元具有冷却盘管和可变容积风扇。 在一些实施方式中,直接膨胀(DX)冷却系统包括压缩机,蒸发器和风冷,水冷或蒸发冷却的冷凝系统。 可以控制这样的系统以减少能量浪费,提高乘员舒适度和/或改善过程冷却单元的热特性。 冷却系统还包括控制系统,其被配置为评估空气处理单元处的冷却负载值,并使用冷却负载值来计算至少一个操作设定点。 可以有利地选择操作设定点以提高总体冷却系统的能量效率。
    • 9. 发明申请
    • Optimized Control System For Cooling Systems
    • 冷却系统优化控制系统
    • US20090171512A1
    • 2009-07-02
    • US11959294
    • 2007-12-18
    • Scot M. Duncan
    • Scot M. Duncan
    • G05D23/00F25B49/00
    • F24F5/0035F24F11/30F24F11/54F24F11/62
    • A cooling system for providing conditioned air to a facility includes a chiller or other cooling subsystem, a cooling tower subsystem and one or more air handling units or process cooling units. The cooling subsystem may advantageously include one or more chillers (e.g., variable speed chillers, constant speed chillers, absorption chillers, etc.) and chilled fluid pumps. The cooling tower subsystem includes one or more cooling tower units and condenser fluid pumps. In some implementations, the air handling unit has a cooling coil and a variable volume fan. In some implementations, direct expansion (DX) cooling systems comprise compressors, evaporators and air-cooled, water-cooled or evaporatively-cooled condensing systems. Such systems can be controlled to reduce energy waste, improve occupant comfort and/or improve the thermal characteristics of the process cooling unit. The cooling system further comprises a control system which is configured to evaluate a cooling load value at the air handling unit and use the cooling load value to calculate at least one operational setpoint. The operational setpoint may advantageously be selected to improve the energy efficiency of the overall cooling system.
    • 用于向设施提供调节空气的冷却系统包括冷却器或其它冷却子系统,冷却塔子系统以及一个或多个空气处理单元或处理冷却单元。 冷却子系统可以有利地包括一个或多个冷却器(例如,可变速度制冷机,恒速冷却器,吸收式制冷机等)和冷却液泵。 冷却塔子系统包括一个或多个冷却塔单元和冷凝器流体泵。 在一些实施方式中,空气处理单元具有冷却盘管和可变容积风扇。 在一些实施方式中,直接膨胀(DX)冷却系统包括压缩机,蒸发器和风冷,水冷或蒸发冷却的冷凝系统。 可以控制这样的系统以减少能量浪费,提高乘员舒适度和/或改善过程冷却单元的热特性。 冷却系统还包括控制系统,其被配置为评估空气处理单元处的冷却负载值,并使用冷却负载值来计算至少一个操作设定点。 可以有利地选择操作设定点以提高总体冷却系统的能量效率。