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    • 1. 发明授权
    • Signal transmission/reception device of air conditioner
    • 空调信号发送/接收装置
    • US5853123A
    • 1998-12-29
    • US809732
    • 1997-04-09
    • Takashi OkanoKouji UchidaKouji KamafusaHisatoshi KawakamiMasaharu SogabeOsamu Tanaka
    • Takashi OkanoKouji UchidaKouji KamafusaHisatoshi KawakamiMasaharu SogabeOsamu Tanaka
    • F24F11/00F24F11/02
    • F24F11/006F24F11/0009H04L12/2838F24F2011/0067F25B2400/075H04L12/2816H04L2012/285
    • A signal transmission/reception device of an air conditioner is provided with a plurality of control groups (8A, 8B, . . . ). The control groups (8A, 8B, . . . ) are each composed so that an outdoor control unit (5) and an indoor control unit (6) are connected to each other through a group communication path (7) so as to be capable of signal transmission and reception therebetween. The outdoor control units (5,5, . . . ) are connected to each other through a centralized communication path (10) so as to be capable of signal transmission and reception among them. The respective group communication paths (7) are connected at the respective outdoor control units (5,5, . . . ) to the centralized communication path (10) thereby forming a single signal transmission/reception network (NW). Further, the signal transmission/reception network (NW) is connected to a centralized controller (9) for subjecting the outdoor units (3,3, . . . ) and the indoor units (4,4, . . . ) to centralized control. In addition, relays (28a, 28b) are provided for bringing the group communication path (7) and the centralized communication path (10) into conduction and interruption therebetween.
    • PCT No.PCT / JP95 / 02141 Sec。 371日期1997年04月9日 102(e)1997年4月9日PCT PCT 1995年10月18日PCT公布。 公开号WO96 / 12917 日期:1998年5月2日空调机的信号收发装置具有多个控制组(8A,8B ......)。 控制组(8A,8B ......)分别构成为使得室外控制单元(5)和室内控制单元(6)通过组通信路径(7)彼此连接,从而能够 的信号发送和接收。 室外控制单元(5,5 ...)通过集中通信路径(10)彼此连接,以便能够在它们之间进行信号的发送和接收。 相应的组通信路径(7)在相应的室外控制单元(5,5 ...)处连接到集中通信路径(10),从而形成单个信号发送/接收网络(NW)。 此外,信号发送/接收网络(NW)连接到用于对室外单元(3,3 ...)和室内单元(4,4 ...)进行集中控制的集中控制器(9) 。 此外,设置有用于使组通信路径(7)和集中通信路径(10)之间导通和中断的中继(28a,28b)。
    • 2. 发明授权
    • Air conditioning system master/slave control unit determination
    • 空调系统主/从控制单元确定
    • US6008733A
    • 1999-12-28
    • US663106
    • 1996-06-28
    • Takashi OkanoKouji KamafusaHisatoshi Kawakami
    • Takashi OkanoKouji KamafusaHisatoshi Kawakami
    • H02J13/00H04Q9/14G05B23/02
    • H02J13/0044H04Q9/14Y10T307/461Y10T307/839Y10T307/931
    • A plurality of air conditioning system control units are connected to each other through a communication line (20). Discharge resistors (R1, R2) are provided for discharging residual charges of the communication line (20). The control unit has a power superposition circuit (50) for applying a direct-current voltage and outputs an identification number signal from the power superposition circuit (50) to the communication line (20). The control unit further has a polarity select circuit (60) having a negative-polarity resistance characteristic that current increasingly flows as an applied voltage is lowered, and a voltage discriminating circuit (70) for detecting the terminal voltage of the polarity select circuit (60). When detecting the voltage of the communication line (20), the control unit determines whether its own control unit is a master unit or a slave unit according to output signals from the voltage discriminating circuit (70) and a polarity discriminating circuit (3C).
    • PCT No.PCT / JP95 / 02235 Sec。 371日期:1996年6月28日 102(e)日期1996年6月28日PCT提交1995年10月31日PCT公布。 第WO96 / 13956号公报 日期:1996年5月9日多个空调系统控制单元通过通信线路(20)彼此连接。 放电电阻(R1,R2)用于放电通信线路(20)的剩余电荷。 控制单元具有用于施加直流电压的电力叠加电路(50),并将来自电力叠加电路(50)的识别号码信号输出到通信线路(20)。 控制单元还具有极性选择电路(60),该极性选择电路(60)具有随着施加电压降低而使电流越来越大地流动的负极性电阻特性,以及用于检测极性选择电路(60)的端子电压的电压鉴别电路 )。 当检测到通信线路(20)的电压时,控制单元根据来自电压鉴别电路(70)和极性鉴别电路(3C)的输出信号来确定其本身的控制单元是主单元还是从单元。