JPH08251680A - Control communication equipment for air conditioner - Google Patents
Control communication equipment for air conditionerInfo
- Publication number
- JPH08251680A JPH08251680A JP7081937A JP8193795A JPH08251680A JP H08251680 A JPH08251680 A JP H08251680A JP 7081937 A JP7081937 A JP 7081937A JP 8193795 A JP8193795 A JP 8193795A JP H08251680 A JPH08251680 A JP H08251680A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- unit
- master unit
- slave
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Air Conditioning Control Device (AREA)
- Selective Calling Equipment (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は空調装置に用いる空気調
和機の制御通信装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control communication device for an air conditioner used in an air conditioner.
【０００２】[0002]
【従来技術】図６に示すように、空気調和機本体３１、
該空気調和機本体３１を監視制御する監視制御手段を有
する親機３２、該親機３２と伝送線３４で接続される複
数の子機３３−１、３３−２、３３−３とを具備し、人
間が子機３３−１、３３−２、３３−３からの操作で親
機３２に空気調和機本体３１の動作、停止、設定情報を
伝え、また親機３２からは空気調和機本体３１の現在の
状態を子機３３−１、３３−２、３３−３に伝え、そこ
で表示等を行なう場合、親機３２と子機３３−１、３３
−２、３３−３との間でデータの授受を行なわなければ
ならない。2. Description of the Related Art As shown in FIG. 6, an air conditioner body 31,
The air conditioner main body 31 is provided with a master unit 32 having a monitor control unit and a plurality of slave units 33-1, 33-2, 33-3 connected to the master unit 32 by a transmission line 34. , A human transmits operation, stop, and setting information of the air conditioner main body 31 to the master 32 by operating the slaves 33-1, 33-2, 33-3, and from the master 32, the air conditioner main body 31. When the current state of the device is transmitted to the child devices 33-1, 33-2, 33-3 and is displayed there, the parent device 32 and the child devices 33-1, 33-3
-2, 33-3 must be exchanged with the data.
【０００３】従来この種のデータ授受の技術として、特
開昭５６−１５５３２６号公報に開示されたものがあっ
た。該技術は複数ユニットを一対の制御信号線で接続
し、該一対の制御信号線を直流電源を内臓していないユ
ニットへの給電線を兼用させると共に、該ユニットの一
対の制御信号を接続する端子を無極性化するための回路
を設け、信号の送受信はトーンバースト信号を用いて行
なっている。Conventionally, as a technique for exchanging data of this type, there is one disclosed in Japanese Patent Application Laid-Open No. 56-155326. According to the technique, a plurality of units are connected by a pair of control signal lines, the pair of control signal lines are also used as a power supply line to a unit that does not include a DC power source, and a terminal for connecting a pair of control signals of the unit. A circuit for depolarizing the signal is provided and signals are transmitted and received using tone burst signals.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記技
術は信号の送受信にトーンバースト信号を用いているた
め、高周波回路を必要とし、回路構成が複雑になるとい
う問題があった。However, since the above technique uses tone burst signals for transmitting and receiving signals, there is a problem that a high frequency circuit is required and the circuit configuration becomes complicated.
【０００５】本発明は上述の点に鑑みてなされたもの
で、トーンバースト信号用の高周波回路を必要とするこ
となく、回路構成が簡単で、通信線と電源線とを共通に
し、親機から子機に対し電源を供給しながら、無極性・
双方向データ伝送を行なうことができる空気調和機の制
御通信装置を提供することを目的とする。The present invention has been made in view of the above-mentioned points, and does not require a high frequency circuit for tone burst signals, has a simple circuit configuration, uses a common communication line and power line, While supplying power to the slave unit,
An object is to provide a control communication device of an air conditioner that can perform bidirectional data transmission.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
本発明は、空気調和機本体、該空気調和機本体を監視制
御する監視制御手段を有する親機、該親機と伝送線で接
続され該親機との間で信号の送受を行なう制御手段を有
する複数の子機とを具備し、子機から親機に各種信号を
伝送したり親機から子機に各種信号を伝送し該子機にお
いて該各種信号を表示するようにした空気調和機の制御
通信装置において、親機と子機を接続する伝送線に２本
の伝送線を用い親機と複数の子機にそれぞれ信号の極性
を一致させる信号極性一致回路を設け、親機には監視制
御手段の制御により所定の直流電圧レベルに所定の振幅
レベルのＯＮ・ＯＦＦ信号を印加した伝送信号を伝送す
ると共に、子機からの信号を前記信号極性一致回路を通
して受信する手段を設け、子機には該親機からの伝送信
号を信号極性一致回路を通して受信し、所定の振幅レベ
ルのＯＮ・ＯＦＦ信号と所定レベルの直流電圧を弁別
し、所定レベルの直流電圧を当該子機の電源に利用する
と共に、制御手段の制御により所定の振幅レベルのＯＮ
・ＯＦＦ信号を信号極性一致回路を通して親機に伝送す
る手段を設けたことを特徴とする。In order to solve the above problems, the present invention is directed to an air conditioner main body, a master unit having monitor control means for monitoring and controlling the air conditioner main unit, and the master unit connected by a transmission line. A plurality of slave units having control means for transmitting and receiving signals to and from the master unit, and transmitting various signals from the slave unit to the master unit and transmitting various signals from the master unit to the slave unit; In a control communication device for an air conditioner configured to display the various signals on a master unit, two transmission lines are used for the transmission line connecting the master unit and the slave unit, and the polarities of the signals are respectively applied to the master unit and the plurality of slave units. Is provided with a signal polarity matching circuit, and the master unit transmits a transmission signal in which an ON / OFF signal of a predetermined amplitude level is applied to a predetermined DC voltage level under the control of the monitor control means, and a signal from the slave unit. For receiving through the signal polarity matching circuit A slave unit receives a transmission signal from the master unit through a signal polarity matching circuit, discriminates an ON / OFF signal having a predetermined amplitude level from a DC voltage having a predetermined level, and outputs a DC voltage having a predetermined level to the slave unit. Is used as a power source for the power source, and the predetermined amplitude level is turned on by the control of the control means.
-A means for transmitting an OFF signal to the master unit through a signal polarity matching circuit is provided.
【０００７】[0007]
【作用】本発明は上記構成を採用することにより、親機
と子機に信号極性一致回路、親機に所定の直流電圧レベ
ルに所定の振幅レベルのＯＮ・ＯＦＦ信号を印加した伝
送信号を伝送すると共に子機からの信号を前記信号極性
一致回路を通して受信し、子機に親機からの伝送信号を
信号極性一致回路を通して受信し、所定の振幅レベルの
ＯＮ・ＯＦＦ信号と所定レベルの直流電圧を弁別し、所
定レベルの直流電圧を当該子機の電源に利用すると共
に、所定の振幅レベルのＯＮ・ＯＦＦ信号を信号極性一
致回路を通して親機に伝送するので、トーンバースト信
号用の高周波回路を必要とすることなく、直流のＯＮ・
ＯＦＦ回路を基調とする簡単な回路構成で、通信線と電
源線とを共通にし、親機から子機に対し電源を供給しな
がら、無極性・双方向データ伝送を行なうことができ
る。According to the present invention, by adopting the above-mentioned configuration, the master unit and the slave unit transmit the signal polarity matching circuit, and the master unit transmits the transmission signal in which the ON / OFF signal of the predetermined amplitude level is applied to the predetermined DC voltage level. In addition, the signal from the slave unit is received through the signal polarity matching circuit, the slave unit receives the transmission signal from the master unit through the signal polarity matching circuit, and an ON / OFF signal of a predetermined amplitude level and a DC voltage of a predetermined level are received. , The DC voltage of a predetermined level is used for the power supply of the slave unit, and the ON / OFF signal of a predetermined amplitude level is transmitted to the master unit through the signal polarity matching circuit. Turn on DC without needing
With a simple circuit configuration based on the OFF circuit, non-polarity / bidirectional data transmission can be performed while the communication line and the power supply line are shared and the master unit supplies power to the slave unit.
【０００８】[0008]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１は空気調和機の制御通信装置の構成例を示す
図である。本制御通信装置は親機１と複数の子機２が伝
送線４で接続されている。該伝送線４は図示は省略する
が２本の伝送線からなる。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a configuration example of a control communication device of an air conditioner. In this control communication device, a master device 1 and a plurality of slave devices 2 are connected by a transmission line 4. The transmission line 4 is composed of two transmission lines although not shown.
【０００９】親機１は電源１−１、インピーダンス（Ｚ
０）１−２、ダイオード１−３、変換器１−４、信号極
性一致回路１−５、信号検出回路１−６、ＣＰＵ１−７
及び入出力装置（Ｉ／Ｏ）１−９を具備し、入出力装置
１−９を介して空気調和機の本体３に接続されている。
子機２は信号極性一致回路２−１、電圧安定化回路２−
２、信号検出回路２−３、増幅回路２−４、ＣＰＵ２−
５、入出力装置（Ｉ／Ｏ）２−６及び入力表示装置（Ｓ
Ｗ・表示）２−７を具備する。The base unit 1 has a power source 1-1 and an impedance (Z
0) 1-2, diode 1-3, converter 1-4, signal polarity matching circuit 1-5, signal detection circuit 1-6, CPU 1-7
And an input / output device (I / O) 1-9, and is connected to the main body 3 of the air conditioner via the input / output device 1-9.
The slave unit 2 includes a signal polarity matching circuit 2-1 and a voltage stabilizing circuit 2-.
2, signal detection circuit 2-3, amplification circuit 2-4, CPU2-
5, input / output device (I / O) 2-6 and input display device (S
W / display) 2-7.
【００１０】親機１と子機２との伝送手順は親機１から
子機２に対するポーリング手順とする。親機１の送信動
作は、ＣＰＵ１−７からの図２（ａ）に示すようなシリ
アルデータ信号を変換器１−４に送り、該変換器１−４
はシリアルデータ信号がＬ（低）レベルの時はＯＦＦと
し、インピーダンス（Ｚ０）１−２及びダイオード１−
３から電源（＋５Ｖ）を子機２に送る。また、変換器１
−４はシリアルデータ信号がＨ（高）レベルの時はＯＮ
し、伝送信号電圧（＋１２Ｖ）を子機２に送る。従っ
て、親機１から子機２には図２（ｂ）に示すように＋５
Ｖに振幅７Ｖの伝送信号分を重畳した信号を伝送する。The transmission procedure between the master unit 1 and the slave unit 2 is a polling procedure from the master unit 1 to the slave unit 2. In the transmission operation of the master unit 1, the serial data signal as shown in FIG. 2A from the CPU 1-7 is sent to the converter 1-4, and the converter 1-4
Is OFF when the serial data signal is at L (low) level, impedance (Z0) 1-2 and diode 1-
The power source (+ 5V) is sent from the 3 to the slave unit 2. Also, the converter 1
-4 is ON when the serial data signal is H (high) level
Then, the transmission signal voltage (+ 12V) is sent to the slave unit 2. Therefore, from the master unit 1 to the slave unit 2, as shown in FIG.
A signal obtained by superimposing a transmission signal having an amplitude of 7V on V is transmitted.
【００１１】上記親機１からの上記信号が子機２に到達
すると、信号極性一致回路２−１に入力される。該信号
極性一致回路２−１は伝送線４の誤配線により逆極性の
信号がきた場合及び配線が正常の場合でもこの回路で極
性を一致させる為のもので、回路としては図４に示すよ
うなダイオードＤ1、Ｄ2、Ｄ3、Ｄ4からなる回路構成の
全波整流回路を用いている。When the signal from the master unit 1 reaches the slave unit 2, it is input to the signal polarity matching circuit 2-1. The signal polarity matching circuit 2-1 is for matching the polarities in this circuit even when a signal of reverse polarity is received due to incorrect wiring of the transmission line 4 and when the wiring is normal. The circuit shown in FIG. A full-wave rectification circuit having a circuit configuration composed of various diodes D 1 , D 2 , D 3 , and D 4 is used.
【００１２】信号極性一致回路２−１の出力は電源安定
化回路２−２と信号検出回路２−３に並列に送る。電源
安定化回路２−２は伝送信号分（７Ｖ）をカットし、電
源電圧（＋５Ｖ）のみとし、各部の電源に使用する。信
号検出回路２−３は電圧レベルを検出する回路で、スレ
ッシュレベルを伝送信号線の約１／２（３．５Ｖ）＋電
源電圧とする回路で、例えば図５に示すようなツェナー
ダイオード（定格電圧３．５Ｖ）２−３ａ、抵抗器２−
３ｂ及び増幅器２−３ｃで構成される。増幅器２−３ｃ
の出力はシリアル信号としてＣＰＵ２−５に出力され
る。The output of the signal polarity matching circuit 2-1 is sent in parallel to the power supply stabilizing circuit 2-2 and the signal detecting circuit 2-3. The power supply stabilization circuit 2-2 cuts the transmission signal component (7V) to supply only the power supply voltage (+ 5V), which is used as the power supply for each part. The signal detection circuit 2-3 is a circuit that detects a voltage level, and is a circuit that sets the threshold level to about 1/2 (3.5V) of the transmission signal line + power supply voltage. For example, a Zener diode (rated Voltage 3.5V) 2-3a, resistor 2-
3b and amplifier 2-3c. Amplifier 2-3c
Is output to the CPU 2-5 as a serial signal.
【００１３】ＣＰＵ２−５では該シリアル信号を計算、
記憶、加工して入力表示装置２−７に送り、表示する。
マン・マシンインターフェースである子機２の操作で本
体を動作させる場合、入力表示装置２−７のスイッチ
（ＳＷ）操作により入出力装置（Ｉ／Ｏ）２−６を経由
してＣＰＵ２−５に信号を送る。ＣＰＵ２−５の内部で
は演算、記憶、データ変換を行ない、シリアルデータ信
号を増幅回路２−４に出力する。The CPU 2-5 calculates the serial signal,
It is stored, processed, and sent to the input / display device 2-7 for display.
When the main body is operated by operating the child machine 2 which is a man-machine interface, the input / output device 2-7 is operated by the switch (SW) of the input display device 2-7 to the CPU 2-5 via the input / output device (I / O) 2-6. Send a signal. In the CPU 2-5, calculation, storage and data conversion are performed and a serial data signal is output to the amplifier circuit 2-4.
【００１４】シリアルデータ信号は増幅回路２−４で増
幅後、該シリアルデータ信号で伝送線４を短絡するか否
かで図２（ｃ）に示すような、振幅幅１２Ｖのシリアル
信号に変換し、出力する。即ち、シリアルデータ信号
の”１”の時はそのままで＋１２Ｖ、”０”の時に伝送
線４を短絡することにより０Ｖとの信号として送出す
る。The serial data signal is amplified by the amplifier circuit 2-4 and then converted into a serial signal having an amplitude width of 12 V as shown in FIG. 2C depending on whether or not the transmission line 4 is short-circuited by the serial data signal. ,Output. That is, when the serial data signal is "1", the signal is + 12V as it is, and when the serial data signal is "0", the transmission line 4 is short-circuited to output as a signal of 0V.
【００１５】図３（ａ）は親機２から子機１に伝送線４
を介して伝送されるシリアルデータ信号の波形例を示
し、図３（ｂ）は子機１から親機２に伝送線４を介して
伝送されるシリアルデータ信号の波形例を示す。FIG. 3A shows a transmission line 4 from the master unit 2 to the slave unit 1.
3B shows an example of the waveform of the serial data signal transmitted via the transmission line 4, and FIG. 3B shows an example of the waveform of the serial data signal transmitted from the handset unit 1 to the base unit 2 via the transmission line 4.
【００１６】子機２からの上記シリアル信号が到達する
と、該シリアル信号は信号極性一致回路１−５を通し
て、信号検出回路１−６に入力される。該信号検出回路
１−６でシリアルデータ信号を取り出し、ＣＰＵ１−７
に出力する。ＣＰＵ１−７では子機２からのシリアルデ
ータの情報を判断、演算、記憶し、入出力装置１−９を
通して、空気調和機の本体３を操作する。When the serial signal from the slave unit 2 arrives, the serial signal is input to the signal detection circuit 1-6 through the signal polarity matching circuit 1-5. The signal detection circuit 1-6 extracts the serial data signal, and the CPU 1-7
Output to. The CPU 1-7 judges, calculates and stores the information of the serial data from the slave unit 2, and operates the main body 3 of the air conditioner through the input / output device 1-9.
【００１７】[0017]
【発明の効果】以上説明したように本発明によれば、親
機と子機に信号極性一致回路、親機に所定の直流電圧レ
ベルに所定の振幅レベルのＯＮ・ＯＦＦ信号を印加した
伝送信号を伝送すると共に子機からの信号を信号極性一
致回路を通して受信し、子機に親機からの伝送信号を信
号極性一致回路を通して受信し、所定の振幅レベルのＯ
Ｎ・ＯＦＦ信号と所定レベルの直流電圧を弁別し、所定
レベルの直流電圧を当該子機の電源に利用すると共に、
所定の振幅レベルのＯＮ・ＯＦＦ信号を信号極性一致回
路を通して親機に伝送するので、下記のような優れた効
果が得られる。As described above, according to the present invention, a signal polarity matching circuit is applied to a master unit and a slave unit, and a transmission signal in which an ON / OFF signal having a predetermined amplitude level and a predetermined DC voltage level is applied to the master unit. And the signal from the slave unit is received through the signal polarity matching circuit, and the transmission signal from the master unit is received by the slave unit through the signal polarity matching circuit, and O of a predetermined amplitude level is received.
The N / OFF signal and the DC voltage of a predetermined level are discriminated, and the DC voltage of a predetermined level is used for the power supply of the slave unit.
Since the ON / OFF signal having a predetermined amplitude level is transmitted to the parent device through the signal polarity matching circuit, the following excellent effects can be obtained.
【００１８】（１）トーンバースト信号用の高周波回路
を必要とすることなく、直流のＯＮ・ＯＦＦ回路を基調
とする簡単な回路構成で、通信線と電源線とを共通に
し、親機から子機に対し電源を供給しながら、無極性・
双方向データ伝送を行なうことができ、且つ配線工事の
工数を低減できる。(1) A simple circuit configuration based on a direct current ON / OFF circuit without the need for a high frequency circuit for tone burst signals makes the communication line and the power supply line common, and the main unit to the slave unit. While supplying power to the machine,
Bidirectional data transmission can be performed, and the number of wiring work steps can be reduced.
【００１９】（２）信号極性一致回路を具備するため伝
送線の誤配線というものがないため、極性を意識して配
線する必要がない。(2) Since the signal polarity matching circuit is provided, there is no miswiring of the transmission line, so that it is not necessary to consider the polarity when wiring.
【００２０】（３）通信線と電源線とを共通にするた
め、子機にとっては電源回路が不要となり子機を小形化
することができる。(3) Since the communication line and the power supply line are shared, the power supply circuit is unnecessary for the slave unit, and the slave unit can be miniaturized.
【図１】本発明の空気調和機の制御通信装置の構成例を
示す図である。FIG. 1 is a diagram showing a configuration example of a control communication device of an air conditioner of the present invention.
【図２】図１に示す空気調和機の制御通信装置の各部の
波形例を示す図である。FIG. 2 is a diagram showing a waveform example of each part of the control communication device of the air conditioner shown in FIG.
【図３】伝送線を介して伝送されるシリアルデータ信号
の波形例を示す図である。FIG. 3 is a diagram showing a waveform example of a serial data signal transmitted via a transmission line.
【図４】信号極性一致回路の構成例を示す図である。FIG. 4 is a diagram showing a configuration example of a signal polarity matching circuit.
【図５】信号検出回路の構成例を示す図である。FIG. 5 is a diagram showing a configuration example of a signal detection circuit.
【図６】従来の空気調和機の制御通信装置の構成例を示
す図である。FIG. 6 is a diagram showing a configuration example of a control communication device for a conventional air conditioner.
【符号の説明】 １ 親機 １−１ 電源 １−２ インピーダンス １ー３ ダイオード １−４ 変換器 １−５ 信号極性一致回路 １−６ 信号検出回路 １−７ ＣＰＵ １−９ 入出力装置（Ｉ／Ｏ） ２ 子機 ２−１ 信号極性一致回路 ２−２ 電圧安定化回路 ２−３ 信号検出回路 ２−４ 増幅回路 ２−５ ＣＰＵ ２−６ 入出力装置（Ｉ／Ｏ） ２−７ 入力表示装置（ＳＷ・表示） ３ 空気調和機の本体 ４ 伝送線[Explanation of Codes] 1 Master unit 1-1 Power supply 1-2 Impedance 1-3 Diode 1-4 Converter 1-5 Signal polarity matching circuit 1-6 Signal detection circuit 1-7 CPU 1-9 Input / output device (I / O) 2 slave unit 2-1 signal polarity matching circuit 2-2 voltage stabilizing circuit 2-3 signal detection circuit 2-4 amplification circuit 2-5 CPU 2-6 input / output device (I / O) 2-7 input Display device (SW / display) 3 Air conditioner body 4 Transmission line
フロントページの続き (72)発明者 川西 卓 神奈川県藤沢市本藤沢４丁目２番１号 株 式会社荏原総合研究所内 (72)発明者 立石 和文 神奈川県藤沢市本藤沢４丁目２番１号 株 式会社荏原総合研究所内 (72)発明者 曽根 忠一 神奈川県藤沢市本藤沢４丁目２番１号 株 式会社荏原総合研究所内Front page continuation (72) Inventor Taku Kawanishi 4-2-1 Motofujisawa, Fujisawa-shi, Kanagawa Ebara Research Institute Ltd. (72) Inventor Kazufumi Tateishi 4-2-1 Motofujisawa, Fujisawa-shi, Kanagawa Inside the EBARA Research Institute (72) Inventor, Chuichi Sone, 4-2-1 Motofujisawa, Fujisawa, Kanagawa Prefecture Inside the EBARA Research Institute
Claims (1)
視制御する監視制御手段を有する親機、該親機と伝送線
で接続され該親機との間で信号の送受を行なう制御手段
を有する複数の子機とを具備し、子機から親機に各種信
号を伝送したり親機から子機に各種信号を伝送し該子機
において該各種信号を表示するようにした空気調和機の
制御通信装置において、 前記親機と子機を接続する伝送線に２本の伝送線を用
い、該親機と複数の子機にそれぞれ信号の極性を一致さ
せる信号極性一致回路を設け、 前記親機には前記監視制御手段の制御により所定の直流
電圧レベルに所定の振幅レベルのＯＮ・ＯＦＦ信号を印
加した伝送信号を伝送すると共に、前記子機からの信号
を前記信号極性一致回路を通して受信する手段を設け、 前記子機には該親機からの伝送信号を信号極性一致回路
を通して受信し、前記所定の振幅レベルのＯＮ・ＯＦＦ
信号と所定レベルの直流電圧を弁別し、所定レベルの直
流電圧を当該子機の電源に利用すると共に、前記制御手
段の制御により所定の振幅レベルのＯＮ・ＯＦＦ信号を
前記信号極性一致回路を通して前記親機に伝送する手段
を設けたことを特徴とする空気調和機の制御通信装置。1. An air conditioner main body, a master unit having a monitor control unit for monitoring and controlling the air conditioner main unit, and a control unit connected to the master unit by a transmission line for transmitting and receiving signals to and from the master unit. An air conditioner having a plurality of slave units having a plurality of slave units and transmitting various signals from the slave units to the master unit or transmitting various signals from the master unit to the slave units and displaying the various signals at the slave units. In the control communication device of the above, two transmission lines are used as transmission lines connecting the master unit and the slave unit, and a signal polarity matching circuit that matches the polarities of signals to the master unit and a plurality of slave units is provided, The master unit transmits a transmission signal in which an ON / OFF signal having a predetermined amplitude level is applied to a predetermined DC voltage level under the control of the monitor control means, and receives a signal from the slave unit through the signal polarity matching circuit. Means is provided, and the child device is the parent device. ON / OFF of the predetermined amplitude level by receiving the transmission signal from the circuit through the signal polarity matching circuit.
The signal and the DC voltage of a predetermined level are discriminated, the DC voltage of a predetermined level is used for the power supply of the slave unit, and the ON / OFF signal of a predetermined amplitude level is controlled by the control means through the signal polarity matching circuit. A control communication device for an air conditioner, which is provided with means for transmitting the data to a master unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7081937A JPH08251680A (en) | 1995-03-13 | 1995-03-13 | Control communication equipment for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7081937A JPH08251680A (en) | 1995-03-13 | 1995-03-13 | Control communication equipment for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08251680A true JPH08251680A (en) | 1996-09-27 |
Family
ID=13760410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7081937A Pending JPH08251680A (en) | 1995-03-13 | 1995-03-13 | Control communication equipment for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08251680A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150074A2 (en) | 2000-04-24 | 2001-10-31 | SANYO ELECTRIC Co., Ltd. | Communication control system for air conditioner |
| WO2002069518A1 (en) * | 2001-02-27 | 2002-09-06 | Sekisuijushi Co., Ltd. | Two-wire power transmitting/receiving device and its method |
| WO2009041625A1 (en) * | 2007-09-26 | 2009-04-02 | Daikin Industries, Ltd. | Load driving method and load driving device |
| KR100940107B1 (en) * | 2008-03-17 | 2010-02-02 | 올라이트라이프주식회사 | Apparatus for receiving data signal regardless polarity |
| JP5900966B2 (en) * | 2010-08-24 | 2016-04-06 | 日本電気株式会社 | State control system and method |
-
1995
- 1995-03-13 JP JP7081937A patent/JPH08251680A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150074A2 (en) | 2000-04-24 | 2001-10-31 | SANYO ELECTRIC Co., Ltd. | Communication control system for air conditioner |
| EP1150074A3 (en) * | 2000-04-24 | 2002-11-06 | SANYO ELECTRIC Co., Ltd. | Communication control system for air conditioner |
| US6625996B2 (en) | 2000-04-24 | 2003-09-30 | Sanyo Electric Co., Ltd. | Communication control system for air conditioner |
| WO2002069518A1 (en) * | 2001-02-27 | 2002-09-06 | Sekisuijushi Co., Ltd. | Two-wire power transmitting/receiving device and its method |
| US7116962B2 (en) | 2001-02-27 | 2006-10-03 | Sekisuijushi Co., Ltd. | Two-wire power transmitting/receiving device and its method |
| WO2009041625A1 (en) * | 2007-09-26 | 2009-04-02 | Daikin Industries, Ltd. | Load driving method and load driving device |
| KR100940107B1 (en) * | 2008-03-17 | 2010-02-02 | 올라이트라이프주식회사 | Apparatus for receiving data signal regardless polarity |
| JP5900966B2 (en) * | 2010-08-24 | 2016-04-06 | 日本電気株式会社 | State control system and method |
| US9727107B2 (en) | 2010-08-24 | 2017-08-08 | Nec Corporation | Slave device requesting its master device not to cancel its power saving mode |
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