JP4715338B2 - Air conditioner - Google Patents

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JP4715338B2
JP4715338B2 JP2005189422A JP2005189422A JP4715338B2 JP 4715338 B2 JP4715338 B2 JP 4715338B2 JP 2005189422 A JP2005189422 A JP 2005189422A JP 2005189422 A JP2005189422 A JP 2005189422A JP 4715338 B2 JP4715338 B2 JP 4715338B2
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signal
air conditioner
terminal
control
abnormal
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JP2007010191A (en
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豊和 志水
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は、ホームオートメーション端子いわゆるＨＡ端子を有する空気調和機に関する。   The present invention relates to an air conditioner having a home automation terminal so-called HA terminal.

従来、この種の空気調和機では、例えば図７に記載された空気調和機がある。   Conventionally, in this type of air conditioner, for example, there is an air conditioner described in FIG.

図７において、１００は従来の空気調和機、１０１は空気調和機１００の制御手段、１０２は制御手段１００に有るＨＡ端子であり、１０３はＨＡコントロールするか否かを選択する切換手段、１０４はＨＡ信号を送受信するインターフェースユニット、１０５は空気調和機の運転／停止を行うリモコンであり、インターフェースユニット１０４は、空気調和機１００のＨＡ端子１０２と接続されており、リモコン１０５からの運転または停止の信号を受けたインターフェースユニット１０４は、空気調和機１００に対してＨＡ規格による運転制御の信号を送信し、これを受けた制御手段１０１は、空気調和機１００の運転制御を行うものである（例えば、特許文献１参照）。
特開２００４−１６３０６４号公報 In FIG. 7, 100 is a conventional air conditioner, 101 is a control means of the air conditioner 100, 102 is an HA terminal in the control means 100, 103 is a switching means for selecting whether or not to perform HA control, and 104 is An interface unit 105 for transmitting / receiving HA signals is a remote controller for operating / stopping the air conditioner. The interface unit 104 is connected to the HA terminal 102 of the air conditioner 100 and is operated or stopped from the remote controller 105. The interface unit 104 that has received the signal transmits an operation control signal according to the HA standard to the air conditioner 100, and the control means 101 that receives the signal performs operation control of the air conditioner 100 (for example, , See Patent Document 1).
JP 2004-163064 A

しかしながら、上記従来の構成では、インターフェースユニットのような外部制御機器がＨＡの制御信号を出すことにより運転を開始することになるが、この場合において、空気調和機側がＨＡの制御信号を正しく検知できなかった場合、外部制御機器にはＨＡ端子からのモニター信号が変化せず、外部制御機器側では空気調和機側がＨＡパルス信号を受信したか否かが分からず、また、空気調和機側の異常停止も検知できないという問題を有していた。   However, in the above-described conventional configuration, an external control device such as an interface unit starts operation by issuing an HA control signal. In this case, the air conditioner side can correctly detect the HA control signal. Otherwise, the monitor signal from the HA terminal does not change in the external control device, the external control device does not know whether the air conditioner has received the HA pulse signal, and the air conditioner has an abnormality. There was a problem that the stop could not be detected.

本発明は、上記従来の課題を解決するものであり、従来からのＨＡ端子を利用して運転制御を行う場合に、ＨＡ端子のモニター端子により空気調和機側のＨＡ制御信号の受信、空気調和機の異常または運転制御状態を知らせることが可能な空気調和機を提供することを目的とする。   The present invention solves the above-described conventional problems. When operation control is performed using a conventional HA terminal, the HA control signal on the air conditioner side is received by the monitor terminal of the HA terminal, and the air conditioning is performed. An object of the present invention is to provide an air conditioner capable of notifying an abnormality of a machine or an operation control state.

上記課題を解決するため、本発明の空気調和機は、ＨＡコントロール信号（以後ＨＡ信号）を取り込むためのＨＡ端子と、ＨＡ信号が正規か、不正規かを判定する判定手段と、判定手段により運転制御を行う制御手段と、判定手段によるＨＡ端子からの信号が不正規の場合に異常信号を出力するとともに制御手段による運転状態を出力するモニター手段と、ＨＡ信号以外による空気調和機の強制運転制御状態を検知する遠隔検知手段とを備え、判定手段がＨＡ端子からの信号が不正規のＨＡ信号であることを検知したときに、モニター手段は、ＨＡ信号が不正規であることを示す異常信号を出力した後、制御手段からの運転または停止状態を出力し、遠隔検知手段からの強制運転制御状態の検知がある場合は、モニター手段はＨＡ端子からの信号が正規不正規に関わらず、ＨＡ信号が入力されたときに異常信号を出力することによって、ＨＡ信号の受信異常を知らせることで、ＨＡ信号の再送を促がすことができ、外部制御機器に機器側の遠隔中であることを知らせることができる。 In order to solve the above problems, an air conditioner according to the present invention includes an HA terminal for taking in an HA control signal (hereinafter referred to as an HA signal), a determination unit that determines whether the HA signal is normal, or non-normal. Control means for controlling the operation, monitoring means for outputting an abnormal signal when the signal from the HA terminal by the judging means is not normal, and outputting the operating state by the control means, and forced operation of the air conditioner by other than the HA signal Remote detection means for detecting the control state, and when the determination means detects that the signal from the HA terminal is an irregular HA signal, the monitor means indicates an abnormality indicating that the HA signal is irregular After outputting the signal, the operation means or the stop state is outputted from the control means, and when the forced operation control state is detected from the remote detection means, the monitor means is connected from the HA terminal. Regardless of whether the signal is normal or irregular, by outputting an abnormal signal when the HA signal is input, it is possible to prompt the retransmission of the HA signal by notifying the reception abnormality of the HA signal. Can be informed that the device is remote.

本発明の空気調和機は、外部制御機器からの制御においてＨＡ端子を利用する場合に、ＨＡ端子からの運転制御を行う場合に、外部制御機器からの信号が受信出来たか、又は、空気調和機の運転状態がどのようであるかをＨＡ端子のモニター出力を利用して、外部制御機器に知らせることが出来るものである。   In the air conditioner of the present invention, when the HA terminal is used in the control from the external control device, when the operation control is performed from the HA terminal, the signal from the external control device has been received, or the air conditioner It is possible to inform the external control device of the operation state of the device using the monitor output of the HA terminal.

第１の発明は、ＨＡコントロール信号（以後ＨＡ信号）を取り込むためのＨＡ端子と、ＨＡ信号が正規か、不正規かを判定する判定手段と、判定手段により運転制御を行う制御手段と、判定手段によるＨＡ端子からの信号が不正規の場合に異常信号を出力するとともに制御手段による運転状態を出力するモニター手段と、ＨＡ信号以外による空気調和機の強制運転制御状態を検知する遠隔検知手段とを備え、判定手段がＨＡ端子からの信号が不正規のＨＡ信号であることを検知したときに、モニター手段は、ＨＡ信号が不正規であることを示す異常信号を出力した後、制御手段からの運転または停止状態を出力し、遠隔検知手段からの強制運転制御状態の検知がある場合は、モニター手段はＨＡ端子からの信号が正規不正規に関わらず、ＨＡ信号が入力されたときに異常信号を出力することによって、ＨＡ信号の受信異常を知らせることで、ＨＡ信号の再送を促がすことができ、外部制御機器に機器側の遠隔中であることを知らせることができる。 According to a first aspect of the present invention, there is provided an HA terminal for taking in an HA control signal (hereinafter referred to as an HA signal), a determination unit for determining whether the HA signal is normal or irregular, a control unit for controlling operation by the determination unit, and a determination Monitoring means for outputting an abnormal signal when the signal from the HA terminal by the means is irregular and outputting the operation state by the control means; and remote detection means for detecting the forced operation control state of the air conditioner other than the HA signal; And when the determination means detects that the signal from the HA terminal is an irregular HA signal, the monitoring means outputs an abnormal signal indicating that the HA signal is irregular, and then from the control means If the forced operation control state is detected from the remote detection means, the monitoring means outputs the HA regardless of whether the signal from the HA terminal is normal or irregular. By outputting an abnormal signal when a signal is input, it is possible to prompt the resending of the HA signal by notifying the reception abnormality of the HA signal, and to confirm that the external control device is remote from the device side. I can inform you.

第２の発明は、特に、第１の発明の空気調和機において、空気調和機の異常を検知する異常検知手段を設け、モニター手段はＨＡ端子からの信号が正規不正規に関わらず、異常手段からの異常検知があった場合には、ＨＡ信号が入力されたときに異常信号を出力することで外部制御機器に機器側の異常中であることを知らせることができる。   According to a second aspect of the present invention, in particular, in the air conditioner of the first aspect of the present invention, an abnormality detecting means for detecting an abnormality of the air conditioner is provided, and the monitoring means is an abnormal means regardless of whether the signal from the HA terminal is normal or irregular. When an abnormality is detected from the device, it is possible to notify the external control device that the device is abnormal by outputting an abnormality signal when the HA signal is input.

第３の発明は、特に、第１または第２の発明において、前記モニター手段からの異常信号を出力するタイマーを設けておき、タイマー時間中だけ異常信号を出力することで外部制御機器に機器側の状態を定期的に知らせることができる。遠隔中特徴とする請求項１から３のいずれかに記載の空気調和機。 According to a third aspect of the invention, in particular, in the first or second aspect of the invention, a timer that outputs an abnormal signal from the monitoring means is provided, and the abnormal signal is output only during the timer period, so that the external control device is connected to the device side. The status of can be notified regularly. The air conditioner according to any one of claims 1 to 3, wherein the air conditioner is remote.

第４の発明は、特に、第１から第３のいずれかの発明の空気調和機に、ＨＡ端子のモニター端子からの異常出力を出力するか否かを切り換える切換手段を設け、選択した場合にはモニター端子からの異常を出力し、異常検知の機能のない外部制御機器が接続された場合の誤動作を防止することができる。 In the fourth aspect of the invention, in particular, when the air conditioner of any of the first to third aspects is provided with a switching means for switching whether or not to output an abnormal output from the monitor terminal of the HA terminal, the selection is made. Outputs an abnormality from the monitor terminal, and can prevent malfunction when an external control device that does not have an abnormality detection function is connected.

以下、本発明の実施の形態について図面を参照しながら説明する。なお、本実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiment.

（実施の形態１）
図１は、本発明の実施の形態１における空気調和機の構成ブロック図である。同図において、空気調和機１は、制御手段２、ＨＡ端子３、判定手段４、制御手段２、モニター手段７から構成されている。また、図６はＨＡ端子の制御端子とモニター端子の出力状態を示す状態遷移図である。 (Embodiment 1)
FIG. 1 is a configuration block diagram of an air conditioner according to Embodiment 1 of the present invention. In the figure, the air conditioner 1 includes a control means 2, an HA terminal 3, a determination means 4, a control means 2, and a monitor means 7. FIG. 6 is a state transition diagram showing output states of the HA terminal control terminal and the monitor terminal.

通常ＨＡ制御を行う場合、運転または停止操作を行うリモコン６から運転操作されたインターフェースユニット５は、空気調和機１に対して、ＨＡ制御の為の信号をＨＡ信号の規格に従った制御信号でＨＡ端子３に送信する（図６のａ）。これを受けた判定手段４は受信の信号があらかじめ決められたＨＡ許可信号と合致しないと判断した場合、モニター手段７からの異常信号を送信する（図６のｂ）。モニター手段７は異常信号を送信後、制御手段２からの空気調和機１の運転状態信号を出力する（図６のｃ）。   When performing normal HA control, the interface unit 5 that is operated from the remote controller 6 that performs operation or stop operation sends a signal for HA control to the air conditioner 1 using a control signal in accordance with the HA signal standard. The data is transmitted to the HA terminal 3 (a in FIG. 6). In response to this, when the determination means 4 determines that the received signal does not match the predetermined HA permission signal, it transmits an abnormal signal from the monitor means 7 (b in FIG. 6). After transmitting the abnormal signal, the monitor unit 7 outputs an operation state signal of the air conditioner 1 from the control unit 2 (c in FIG. 6).

以上のように構成された空気調和機１は、ＨＡ端子によるＨＡ制御を行う前に、外部制御機器であるインターフェースユニット５からのＨＡ制御信号を受信すると、判定手段４はＨＡ信号であるか否かを判定し、異常信号と検知した場合にＨＡ端子３のモニター端子から異常信号を出力することにより、インターフェースユニット５にＨＡ信号の受信異常を知らせることで、ＨＡ信号の再送を促がすことができる。   When the air conditioner 1 configured as described above receives an HA control signal from the interface unit 5 that is an external control device before performing HA control by the HA terminal, the determination unit 4 determines whether or not it is an HA signal. If an abnormal signal is detected, an abnormal signal is output from the monitor terminal of the HA terminal 3 to notify the interface unit 5 of an abnormal reception of the HA signal, thereby prompting retransmission of the HA signal. Can do.

（実施の形態２）
図２は、本発明の実施の形態２における空気調和機の構成ブロック図である。同図において、図１と同じ構成要素については同じ符号を用い説明を省略する。 (Embodiment 2)
FIG. 2 is a configuration block diagram of an air conditioner according to Embodiment 2 of the present invention. In the figure, the same components as those in FIG.

空気調和機の異常を検知する異常検知手段８を設け、異常手段により空気調和機の異常が検知された場合には、ＨＡ信号が入力されたときにモニター手段７は異常信号を出力し（図６のｄ）、その後、制御手段からの空気調和機の運転状態信号を出力する（図６のｅ）。   An abnormality detection means 8 for detecting an abnormality of the air conditioner is provided. When the abnormality of the air conditioner is detected by the abnormality means, the monitor means 7 outputs an abnormality signal when the HA signal is input (see FIG. 6 d), and then outputs an air conditioner operating state signal from the control means (e in FIG. 6).

以上のように構成された空気調和機１は、異常検知手段８により空気調和機１が異常状態である場合は、インターフェースユニット５からのＨＡ制御信号が、判定手段４により正規と判断されてもモニター手段７からは異常信号を出力することによりインターフェースユニット５に空気調和機１がＨＡ制御が出来ない異常状態であることを知らせるものである。   In the air conditioner 1 configured as described above, even if the HA control signal from the interface unit 5 is determined to be normal by the determination unit 4 when the air conditioner 1 is in an abnormal state by the abnormality detection unit 8. By outputting an abnormal signal from the monitor means 7, the interface unit 5 is notified that the air conditioner 1 is in an abnormal state in which HA control cannot be performed.

（実施の形態３）
図３は、本発明の実施の形態３における空気調和機の構成ブロック図である。同図において、図１と同じ構成要素については同じ符号を用い説明を省略する。 (Embodiment 3)
FIG. 3 is a configuration block diagram of an air conditioner according to Embodiment 3 of the present invention. In the figure, the same components as those in FIG.

ＨＡ信号以外による空気調和機の強制運転制御状態を検知する遠隔検知手段９を設け、実施の形態１記載のＨＡ制御信号の判定手を行った後、遠隔検知手段９による遠隔制御によるＨＡ制御禁止となっている場合、モニター手段７は異常信号を出力し（図６のｆ）、その後は制御手段からの空気調和機１の運転状態信号を出力する（図６のｇ）。   The remote detection means 9 for detecting the forced operation control state of the air conditioner other than the HA signal is provided, and the HA control signal is prohibited by the remote control by the remote detection means 9 after performing the determination of the HA control signal described in the first embodiment. In this case, the monitor means 7 outputs an abnormal signal (f in FIG. 6), and thereafter outputs an operation state signal of the air conditioner 1 from the control means (g in FIG. 6).

以上のように構成された空気調和機１は、遠隔検知手段９により遠隔制御中によるＨＡ禁止状態である場合は、インターフェースユニット５からのＨＡ制御信号が、判定手段４により正規と判断されてもモニター手段７からは異常信号を出力することによりインターフェースユニット５に空気調和機１がＨＡ制御が出来ない遠隔制御状態であることを知らせるものである。
本実施例での異常信号は、他の実施の形態とは異なる異常信号を出力する。 When the air conditioner 1 configured as described above is in an HA prohibited state during remote control by the remote detection means 9, the HA control signal from the interface unit 5 is determined to be normal by the determination means 4. By outputting an abnormal signal from the monitoring means 7, the interface unit 5 is informed that the air conditioner 1 is in a remote control state in which HA control cannot be performed.
The abnormal signal in this embodiment outputs an abnormal signal different from that in the other embodiments.

（実施の形態４）
図４は、本発明の実施の形態４における空気調和機の構成ブロック図である。同図において、実施の形態１で説明した部分については同じ符号を用い説明を省略する。
モニター手段７からの異常信号を出力する時間を決めるタイマー手段１０を設け、実施の形態１、２、３における異常信号の出力時に、一定時間の間もしくは定期的に異常信号を出力する（図６のｈ）。 (Embodiment 4)
FIG. 4 is a configuration block diagram of an air conditioner according to Embodiment 4 of the present invention. In the figure, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.
Timer means 10 for determining a time for outputting an abnormal signal from the monitor means 7 is provided, and when the abnormal signal is output in the first, second, and third embodiments, the abnormal signal is output for a fixed time or periodically (FIG. 6). H).

以上のように構成された空気調和機１は、タイマー手段１０により異常信号を一定時間の出力し、インターフェース５に確実に、常時、空気調和機１の異常状態を伝えるものである。   The air conditioner 1 configured as described above outputs an abnormal signal for a certain period of time by the timer means 10 and reliably notifies the interface 5 of the abnormal state of the air conditioner 1 at all times.

（実施の形態５）
図５は、本発明の実施の形態５における空気調和機の構成ブロック図である。同図において、実施の形態１で説明した部分については同じ符号を用い説明を省略する。
モニター手段７からの異常信号を出力するか、否かを切り換える切換手段１１を設け、切換手段１１が異常信号を出力するとされたとき、モニター手段７から異常信号を出力する。 (Embodiment 5)
FIG. 5 is a configuration block diagram of an air conditioner according to Embodiment 5 of the present invention. In the figure, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.
Switching means 11 for switching whether or not to output an abnormal signal from the monitoring means 7 is provided. When the switching means 11 outputs an abnormal signal, the abnormal signal is output from the monitoring means 7.

以上のように構成された空気調和機は、インターフェース５が異常信号の出力に対応していない場合、異常信号を出力することでインターフェース５に動作異常が起こるときに対応したものである。   The air conditioner configured as described above corresponds to a case where an abnormal operation occurs in the interface 5 by outputting an abnormal signal when the interface 5 does not support the output of the abnormal signal.

以上のように、本発明にかかる空気調和機は、外部制御機器からのＨＡによる運転制御時に、空気調和機側の状態をモニター端子から送信することにより、外部制御機器が空気調和機側の状態を簡単に判断でき、ＨＡ信号の再送判断を行うことが可能であり、ＨＡ端子を用いたリモートコントロールに有用である。   As described above, the air conditioner according to the present invention transmits the state on the air conditioner side from the monitor terminal during operation control by the HA from the external control device, so that the external control device is in the state on the air conditioner side. Therefore, it is possible to determine the retransmission of the HA signal, which is useful for remote control using the HA terminal.

本発明の実施の形態１における空気調和機の構成ブロック図Configuration block diagram of an air conditioner in Embodiment 1 of the present invention 本発明の実施の形態２における空気調和機の構成ブロック図Configuration block diagram of an air conditioner in Embodiment 2 of the present invention 本発明の実施の形態３における空気調和機の構成ブロック図Configuration block diagram of an air conditioner in Embodiment 3 of the present invention 本発明の実施の形態４における空気調和機の構成ブロック図Configuration block diagram of an air conditioner in Embodiment 4 of the present invention 本発明の実施の形態５における空気調和機の構成ブロック図Configuration block diagram of an air conditioner in Embodiment 5 of the present invention 本発明の各実施の形態における制御端子とモニター端子の出力状態遷移図Output state transition diagram of control terminal and monitor terminal in each embodiment of the present invention 従来の空気調和機における構成ブロック図Configuration block diagram of a conventional air conditioner

１ 空気調和機
２ 制御手段
３ ＨＡ端子
４ 判定手段
５ インターフェースユニット
６ リモコン
７ モニター手段
８ 異常検知手段
９ 遠隔検知手段
１０ タイマー手段
１１ 切換手段 DESCRIPTION OF SYMBOLS 1 Air conditioner 2 Control means 3 HA terminal 4 Judgment means 5 Interface unit 6 Remote control 7 Monitor means 8 Abnormality detection means 9 Remote detection means 10 Timer means 11 Switching means

Claims (4)

ＨＡコントロール信号（以後ＨＡ信号）を取り込むためのＨＡ端子と、前記ＨＡ信号が正規か、不正規かを判定する判定手段と、前記判定手段により運転制御を行う制御手段と、前記判定手段による前記ＨＡ端子からの信号が不正規の場合に異常信号を出力するとともに前記制御手段による運転状態を出力するモニター手段と、前記ＨＡ信号以外による空気調和機の強制運転制御状態を検知する遠隔検知手段とを備え、前記判定手段が前記ＨＡ端子からの信号が不正規のＨＡ信号であることを検知したときに、前記モニター手段は、ＨＡ信号が不正規であることを示す異常信号を出力した後、制御手段からの運転または停止状態を出力し、前記遠隔検知手段からの強制運転制御状態の検知がある場合は、前記モニター手段はＨＡ端子からの信号が正規不正規に関わらず、前記ＨＡ信号が入力されたときに異常信号を出力することを特徴とする空気調和機。 An HA terminal for taking in an HA control signal (hereinafter referred to as HA signal), a determination means for determining whether the HA signal is normal or irregular, a control means for controlling operation by the determination means, and the determination means by the determination means A monitoring means for outputting an abnormal signal when the signal from the HA terminal is irregular and outputting an operation state by the control means; a remote detection means for detecting a forced operation control state of the air conditioner other than the HA signal; When the determination unit detects that the signal from the HA terminal is an irregular HA signal, the monitoring unit outputs an abnormal signal indicating that the HA signal is irregular, outputs operation or stop state from the control means, when there is a detection of the forced operation control state from the remote detection means, said monitoring means signals from HA terminal There Regardless regular irregular, air conditioner and outputting an abnormality signal when the HA signal is input. 空気調和機の異常を検知する異常検知手段を設け、前記異常検知手段からの異常検知信号があった場合は、モニター手段はＨＡ端子からの信号が正規不正規に関わらず、異常信号を出力することを特徴とする請求項１に記載の空気調和機。 An abnormality detection means for detecting an abnormality of the air conditioner is provided, and when there is an abnormality detection signal from the abnormality detection means, the monitoring means outputs an abnormality signal regardless of whether the signal from the HA terminal is normal or irregular. The air conditioner according to claim 1. 前記モニター手段からの異常信号を出力するタイマーを設けておき、タイマー時間中だけ異常信号を出力することを特徴とする請求項１または２に記載の空気調和機。 The air conditioner according to claim 1 or 2 , wherein a timer for outputting an abnormal signal from the monitoring means is provided, and the abnormal signal is output only during the timer time. モニター手段からの異常出力を出力するか否かを切り換える切換手段を設け、異常出力を出力するように設定された場合に、モニター手段による異常出力を行うことを特徴とする請求項１から３のいずれかに記載の空気調和機。 Provided switching means for switching whether to output an abnormal output from the monitoring means, when it is set to output an abnormal output from claim 1, characterized in that the abnormality output by monitoring means 3 An air conditioner according to any one of the above.
JP2005189422A 2005-06-29 2005-06-29 Air conditioner Expired - Fee Related JP4715338B2 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6256727A (en) * 1985-09-03 1987-03-12 Mitsubishi Electric Corp Self-diagnosis for separate type air-conditioning machine
JPS62296647A (en) * 1986-06-17 1987-12-23 Matsushita Electric Ind Co Ltd Diagnosing device home automation system
JPH04994A (en) * 1990-04-18 1992-01-06 Sanyo Electric Co Ltd Interface system for connecting interface unit to terminal equipment with ha terminal
JPH07151372A (en) * 1993-11-30 1995-06-13 Mitsubishi Electric Corp Facility managing apparatus
JP2004163064A (en) * 2002-11-15 2004-06-10 Toshiba Kyaria Kk Air conditioner
JP2006084089A (en) * 2004-09-15 2006-03-30 Matsushita Electric Ind Co Ltd Air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6256727A (en) * 1985-09-03 1987-03-12 Mitsubishi Electric Corp Self-diagnosis for separate type air-conditioning machine
JPS62296647A (en) * 1986-06-17 1987-12-23 Matsushita Electric Ind Co Ltd Diagnosing device home automation system
JPH04994A (en) * 1990-04-18 1992-01-06 Sanyo Electric Co Ltd Interface system for connecting interface unit to terminal equipment with ha terminal
JPH07151372A (en) * 1993-11-30 1995-06-13 Mitsubishi Electric Corp Facility managing apparatus
JP2004163064A (en) * 2002-11-15 2004-06-10 Toshiba Kyaria Kk Air conditioner
JP2006084089A (en) * 2004-09-15 2006-03-30 Matsushita Electric Ind Co Ltd Air conditioner

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