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    • 1. 发明申请
    • SYSTEMS AND METHODS FOR CONTROLLING A REFRIGERATION SYSTEM
    • 用于控制制冷系统的系统和方法
    • WO2018039254A1
    • 2018-03-01
    • PCT/US2017/048048
    • 2017-08-22
    • JOHNSON CONTROLS TECHNOLOGY COMPANYFEDERMAN, IsraelCRANE, Curtis C.KWAO-VOVO, Todd
    • FEDERMAN, IsraelCRANE, Curtis C.KWAO-VOVO, ToddKOPKO, William L.ZARDUS, Stephen M.
    • F25B25/00F25B23/00
    • A refrigeration system includes a heat exchanger (204) configured to place a cooling fluid in a heat exchange relationship with a working fluid, a free-cooling circuit having a pump (216) configured to circulate the working fluid through the heat exchanger and a condenser (206), a flow control valve (210) configured to control a flow rate of the working fluid to the condenser, a condenser bypass valve (212) configured to control a flow rate of the working fluid that bypasses the condenser, and a controller (78) configured to adjust a position of the flow control valve, a position of the condenser bypass valve, a speed of a fan (208) of the condenser, a speed of the pump, and a temperature of a heater (218) based on an ambient temperature, a temperature of the working fluid leaving the condenser, the position of the flow control valve, the position of the condenser bypass valve, or a combination thereof.
    • 制冷系统包括配置成与工作流体处于热交换关系的冷却流体的热交换器(204),具有配置成循环工作的泵(216)的自由冷却回路 流体通过热交换器和冷凝器(206);流量控制阀(210),配置成控制流向冷凝器的工作流体的流量;冷凝器旁通阀(212),配置成控制工作流体的流量 ,旁通所述冷凝器和控制器(78),所述控制器构造成调节所述流量控制阀的位置,所述冷凝器旁通阀的位置,所述冷凝器的风扇(208)的速度,所述泵的速度和 基于环境温度的加热器(218)的温度,离开冷凝器的工作流体的温度,流量控制阀的位置,冷凝器旁通阀的位置或其组合。
    • 2. 发明申请
    • VARIABLE SPEED DRIVE WITH A BATTERY
    • 可变速驱动器,带电池
    • WO2018067839A1
    • 2018-04-12
    • PCT/US2017/055373
    • 2017-10-05
    • JOHNSON CONTROLS TECHNOLOGY COMPANYKOPKO, William L.FEDERMAN, IsraelKOHLER, Jay A.JADRIC, Ivan
    • KOPKO, William L.FEDERMAN, IsraelKOHLER, Jay A.JADRIC, Ivan
    • H02P27/08H02M5/458H02J9/06
    • Embodiments of the present disclosure relate to a heating, ventilating, air conditioning, and refrigeration (HVAC&R) system that includes a variable speed drive (VSD) (52) configured to supply power to a motor (50) configured to drive a compressor (32) of the HVAC&R system, a rectifier (102) of the VSD (52) configured to receive alternating current (AC) power from an AC power source (108) and convert the AC power to direct current (DC) power, a DC bus (106) of the VSD (52) electrically coupled to the rectifier (102), an inverter (104) of the VSD (52) electrically coupled to the DC bus (106), where the inverter (104) is configured to convert the DC power to output AC power, the output AC power has a variable voltage and a variable frequency, and the output AC power is directed to the motor (50), and a battery (100) electrically coupled to the DC bus (106), where the battery is configured to provide auxiliary DC power to the VSD (52).
    • 本发明的实施例涉及一种包括变速驱动器(VSD)(52)的加热,通风,空气调节和制冷(HVAC& R)系统,该变速驱动器被配置为向马达 (50),其被配置为驱动HVAC和R系统的压缩机(32); VSD(52)的整流器(102),其被配置为从AC电源(108)接收交流(AC)电力并且将AC 直流(DC)电力的功率,电耦合到整流器(102)的VSD(52)的DC总线(106),电耦合到DC总线(106)的VSD(52)的逆变器(104) ,其中逆变器(104)被配置为将直流电转换为输出交流电,输出交流电具有可变电压和可变频率,并且输出交流电被引导至电动机(50),并且电池( 100),其电耦合到DC总线(106),其中电池被配置为向VSD(52)提供辅助DC功率。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR REDUCING NOISE WITHIN A REFRIGERATION SYSTEM
    • 在制冷系统中减少噪声的系统和方法
    • WO2013082306A2
    • 2013-06-06
    • PCT/US2012/067105
    • 2012-11-29
    • JOHNSON CONTROLS TECHNOLOGY COMPANY
    • KOPKO, William L.SINGH, AtulKULANKARA, SatheeshGRAYBILL, Andrew J.BASS, Lewis M.
    • G06F19/00
    • G10K11/161F24F1/12F25B49/025F25B2500/12F25B2600/02F25B2600/111G06F17/5009Y02B30/743
    • A method is provided including receiving a first input indicative of a desired design capacity of a refrigeration system, and receiving a second input indicative of a desired maximum acoustical noise of the refrigeration system. The method also includes iteratively selecting a candidate compressor system from a set of compressor systems, and iteratively selecting a candidate condenser system from a set of condenser systems. In addition, the method includes simulating operation of the refrigeration system based on the candidate compressor system and the candidate condenser system until a suitable refrigeration system is established having a computed design capacity greater than or equal to the desired design capacity, and a computed maximum acoustical noise less than or equal to the desired maximum acoustical noise. The method further includes providing an output indicative of the candidate compressor system and the candidate condenser system of the suitable refrigeration system.
    • 提供了一种方法,包括接收指示制冷系统的期望设计能力的第一输入,以及接收指示制冷系统的所需最大声学噪声的第二输入。 该方法还包括从一组压缩机系统中迭代地选择候选压缩机系统,并且从一组冷凝器系统迭代地选择候选冷凝器系统。 此外,该方法包括基于候选压缩机系统和候选冷凝器系统模拟制冷系统的操作,直到建立具有大于或等于所需设计能力的计算设计能力的合适的制冷系统,并且计算出的最大声学 噪声小于或等于所需的最大声学噪声。 该方法还包括提供指示候选压缩机系统和合适的制冷系统的候选冷凝器系统的输出。