JPH07158942A - Air conditioner power source superposition communicating apparatus - Google Patents
Air conditioner power source superposition communicating apparatusInfo
- Publication number
- JPH07158942A JPH07158942A JP5309097A JP30909793A JPH07158942A JP H07158942 A JPH07158942 A JP H07158942A JP 5309097 A JP5309097 A JP 5309097A JP 30909793 A JP30909793 A JP 30909793A JP H07158942 A JPH07158942 A JP H07158942A
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- air conditioner
- power supply
- communication
- outdoor unit
- 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)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数に分離された空気
調和機の通信装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication device for an air conditioner separated into a plurality of parts.
【０００２】[0002]
【従来の技術】近年、分離型空気調和機は、結線工事の
省力化を実現するために分離された空気調和機間の結線
数の低減化により電源線に信号を重畳する通信装置が求
められている。2. Description of the Related Art In recent years, a separation type air conditioner is required to have a communication device for superimposing a signal on a power supply line by reducing the number of connections between the separated air conditioners in order to realize a labor saving in connection work. ing.
【０００３】従来、電源重畳方式の通信装置は、図１１
に示すような構成が一般的であった。以下、その構成に
ついて図１１を参照しながら説明する。Conventionally, a power supply superposition type communication device is shown in FIG.
The structure shown in FIG. The configuration will be described below with reference to FIG.
【０００４】図１１に示すように、電源線１０１に通信
用トランス１０２の１次側を接続し、２次側は、キャリ
アを受信する受信装置１０３とキャリアを送信する送信
装置１０４が接続され、キャリアの周波数を決定する発
振機１０５は送信装置１０４に接続し、送信装置１０４
と受信装置１０３は、通信制御装置１０６に接続してい
る。As shown in FIG. 11, the power supply line 101 is connected to the primary side of a communication transformer 102, and the secondary side is connected to a receiving device 103 for receiving a carrier and a transmitting device 104 for transmitting a carrier. The oscillator 105 that determines the frequency of the carrier is connected to the transmission device 104,
The receiving device 103 is connected to the communication control device 106.
【０００５】上記構成において、電源線１０１に重畳し
ているキャリアは、通信用トランス１０２を介して受信
装置１０３で受信され、通信制御装置１０６によりデー
タに変換される。電源線１０１にキャリアを送出するに
は、送信装置１０４は通信制御装置１０６からデータを
受け、発振機１０５のキャリアを制御し通信用トランス
１０２を介して電源線１０１にキャリアを重畳させるこ
とになる。In the above structure, the carrier superimposed on the power supply line 101 is received by the receiving device 103 via the communication transformer 102 and converted into data by the communication control device 106. In order to send the carrier to the power supply line 101, the transmission device 104 receives data from the communication control device 106, controls the carrier of the oscillator 105, and superimposes the carrier on the power supply line 101 via the communication transformer 102. .
【０００６】[0006]
【発明が解決しようとする課題】このような従来の電源
重畳の通信装置では、電源線１０１に複数の空気調和機
を接続すると電源線１０１上でキャリアが衝突し誤った
データとなることがあり、通信制御装置１０６は、所定
のデータを受信し変換した後に、データの誤りを発見で
きる。そのため、データの正誤判定のプログラムが必要
となるとともに、所定のデータを受信し変換した後にデ
ータ誤りを発見するため、無駄なデータ転送時間が発生
するという問題があった。また、電源線の接続不良等に
よる電源端子台の発熱も大きな問題であった。In such a conventional power supply superimposing communication device, when a plurality of air conditioners are connected to the power supply line 101, carriers may collide on the power supply line 101, resulting in incorrect data. The communication control device 106 can detect an error in data after receiving and converting predetermined data. Therefore, there is a problem that a program for determining whether the data is correct or incorrect is required, and a data error is discovered after receiving and converting predetermined data, which causes a wasteful data transfer time. Further, heat generation of the power supply terminal block due to poor connection of the power supply line has been a serious problem.
【０００７】本発明は、上記課題を解決するもので、空
気調和機の室外機と室内機間の電源線から電源線に重畳
しているキャリアの位相信号を取り出すことを第１の目
的とする。The present invention is intended to solve the above problems, and it is a first object of the present invention to extract a phase signal of a carrier superimposed on a power supply line from a power supply line between an outdoor unit and an indoor unit of an air conditioner. .
【０００８】第２の目的は、従来、室内機と室内機間の
電源線に複数の室内機が接続する空気調和機において、
キャリアの衝突によるデータ誤りは、所定のデータを受
信した後でないと判断が困難であったが、キャリアの衝
突が短時間で発見できデータの正誤が判断できることに
ある。A second object of the present invention is to provide an air conditioner in which a plurality of indoor units are conventionally connected to a power line between the indoor units.
It was difficult to determine a data error due to carrier collision only after receiving predetermined data, but carrier collision can be detected in a short time and correctness of data can be determined.
【０００９】第３の目的は、室外機は電源線に接続して
いる室内機の台数を認識する必要がある。室外機は、キ
ャリア振幅検出装置によりキャリアの振幅を検出し、振
幅の波高値で室内機の接続台数を認識することにある。A third object is that the outdoor unit needs to recognize the number of indoor units connected to the power line. The outdoor unit is to detect the carrier amplitude by the carrier amplitude detection device and recognize the number of connected indoor units based on the peak value of the amplitude.
【００１０】第４の目的は、電源端子台の接続不良によ
り、電源端子台が異常発熱したとき、電源端子台に埋め
込まれた温度ヒューズを溶断して室外機と室内機間の通
信を遮断し空気調和機を停止することにある。A fourth object is to cut off the communication between the outdoor unit and the indoor unit by fusing the temperature fuse embedded in the power terminal block when the power terminal block abnormally generates heat due to a poor connection of the power terminal block. To stop the air conditioner.
【００１１】第５の目的は、電源端子台の接続不良によ
り、電源端子台が異常発熱したとき、電源端子台に埋め
込まれたサーミスタが異常温度を検出して室外機と室内
機の通信を遮断し、温度が低下すると再度、通信を可能
とすることにある。A fifth object is that when the power supply terminal block is abnormally heated due to a poor connection of the power supply terminal block, the thermistor embedded in the power supply terminal block detects an abnormal temperature and shuts off communication between the outdoor unit and the indoor unit. However, when the temperature drops, communication is enabled again.
【００１２】[0012]
【課題を解決するための手段】本発明の空気調和機電源
重畳通信装置は上記第１の目的を達成するために、第１
の手段は、室外機と室内機が分離して設けられる空気調
和機と、室外機と室内機間を電源線で接続し、前記電源
線に重畳されているキャリアの位相を検出するキャリア
検出手段を備え、室外機と室内機の通信せしめる空気調
和機の電源重畳通信装置とする。In order to achieve the first object, an air conditioner power supply superimposing communication device according to the present invention has a first structure.
Means is an air conditioner in which an outdoor unit and an indoor unit are provided separately, and a carrier detection unit that connects the outdoor unit and the indoor unit with a power supply line and detects the phase of the carrier superimposed on the power supply line. And a power supply superimposing communication device for an air conditioner that enables communication between an outdoor unit and an indoor unit.
【００１３】また、第２の目的を達成するために、第２
の手段は、室外機と室内機が分離して設けられる空気調
和機と、室外機と室内機間を電源線で接続し、前記電源
線から通信用トランスを介し、通信用トランスの２次側
に一定周波数のキャリアを送出する送信装置と、前記キ
ャリアを受信する受信装置と、前記キャリアの位相を検
出するキャリア検出装置を備え、室外機と室内機間を通
信せしめる空気調和機の電源重畳通信装置。In order to achieve the second object, the second
The means for connecting the air conditioner in which the outdoor unit and the indoor unit are provided separately, and the outdoor unit and the indoor unit are connected by a power line, and the secondary side of the communication transformer is connected from the power line via the communication transformer. A power supply superimposing communication of an air conditioner that includes a transmitting device that sends out a carrier of a constant frequency, a receiving device that receives the carrier, and a carrier detecting device that detects the phase of the carrier, and that communicates between an outdoor unit and an indoor unit. apparatus.
【００１４】また、第３の目的を達成するために、第３
の手段は、室外機と室内機が分離して設けられる空気調
和機と、室外機と室内機間を電源線で接続し、前記電源
線から通信用トランスを介して一定周波数のキャリアを
送出する送信装置と、前記キャリアを受信する受信装置
と、前記キャリアの振幅を検出する振幅検出装置を備え
た室外機が電源線に接続されている室内機の接続台数を
認識できる空気調和機の電源重畳通信装置。In order to achieve the third object, the third
The means for connecting the air conditioner in which the outdoor unit and the indoor unit are provided separately, and the outdoor unit and the indoor unit are connected by a power supply line, and the carrier of a constant frequency is sent from the power supply line through the communication transformer. An air conditioner power supply superimposition capable of recognizing the number of connected indoor units in which an outdoor unit including a transmitter, a receiver for receiving the carrier, and an amplitude detector for detecting the amplitude of the carrier is connected to a power line. Communication device.
【００１５】また、第４の目的を達成するために、第４
の手段は、空気調和機の電源端子台に温度ヒューズを設
け、空気調和機の室外機と室内機間で電源重畳の通信を
行うための通信用トランスと直列に前記温度ヒューズを
接続し、電源端子台の異常温度上昇時に通信を遮断し、
空気調和機を停止する、空気調和機の通信装置とする。In order to achieve the fourth object, the fourth
Means is provided with a temperature fuse on the power supply terminal block of the air conditioner, and the temperature fuse is connected in series with a communication transformer for performing power superimposition communication between the outdoor unit and the indoor unit of the air conditioner, Communication is cut off when the terminal block temperature rises abnormally,
A communication device for an air conditioner that stops the air conditioner.
【００１６】また、第５の目的を達成するために、第５
の手段は、空気調和機の電源端子台にサーミスタを設
け、空気調和機の室外機と室内機間で電源重畳の通信を
行うための通信用トランスの２次側と直列に前記サーミ
スタを接続し、電源端子台の異常温度上昇時に通信を遮
断し、空気調和機を停止させ、電源端子台の温度が低下
すると再度、通信を可能にする空気調和機の通信装置と
する。Further, in order to achieve the fifth object,
Means is provided with a thermistor on the power supply terminal block of the air conditioner, and the thermistor is connected in series with the secondary side of the communication transformer for performing power superimposition communication between the outdoor unit and the indoor unit of the air conditioner. The communication device of the air conditioner that interrupts communication when the abnormal temperature of the power supply terminal block rises, stops the air conditioner, and enables communication again when the temperature of the power supply terminal block decreases.
【００１７】[0017]
【作用】本発明は、上記した第１の手段の構成により、
室外機が送信装置により送出したキャリアを室内機側の
通信用トランスの１次側と直列に接続したキャリア検出
装置で検出し、室内機は、前記キャリアの１８０度位相
の異なるキャリアを室内機の送信装置が電源線に送出す
ると、互いに打ち消し合い、電源線上のキャリアが減衰
する。複数の室内機が同時にキャリアを送出すると室外
機が送出しているキャリアと１８０度位相の異なるキャ
リアが電源線上に現れ、室外機は、前記キャリアをキャ
リア検出装置で検出し比較することにより、キャリアの
衝突が即座に発見でき室外機はキャリアの送出を停止す
ることにより室内機に対して信号の送出を即座に停止さ
せることができる。The present invention has the structure of the above-mentioned first means.
The outdoor unit detects a carrier sent by the transmitter with a carrier detector connected in series with the primary side of the communication transformer on the indoor unit side, and the indoor unit detects a carrier having a phase difference of 180 degrees of the indoor unit. When the transmitters send out to the power line, they cancel each other and the carriers on the power line are attenuated. When a plurality of indoor units simultaneously send out carriers, a carrier having a phase difference of 180 degrees from the carrier sent by the outdoor unit appears on the power supply line, and the outdoor unit detects the carriers by the carrier detection device and compares them, The collision can be detected immediately and the outdoor unit can immediately stop the signal transmission to the indoor unit by stopping the carrier transmission.
【００１８】また、第２の手段の構成により、室外機が
送信装置により送出したキャリアを室内機側の通信用ト
ランスの２次側に設けられたキャリア検出装置でキャリ
アを検出し、室内機は、前記、キャリアの１８０度位相
の異なるキャリアを送信装置で電源線に送出または、停
止することにより、室外機にデータを送出する。室外機
のデータ送出は室外機の送信装置がキャリアを電源線に
送出または停止することにより室内機にデータを送出す
る。複数の室内機が同時にキャリアを送出すると室外機
が送出しているキャリアと１８０度位相の異なるキャリ
アが電源線上に現れ、室外機は、前記キャリアをキャリ
ア検出装置で検出し比較することにより、キャリアの衝
突が即座に発見でき室外機はキャリアの送出を停止する
ことにより室内機に対して信号の送出を即座に停止させ
ることができる。With the configuration of the second means, the carrier sent from the transmitter by the outdoor unit is detected by the carrier detection device provided on the secondary side of the communication transformer on the indoor unit side. Data is transmitted to the outdoor unit by transmitting or stopping carriers having different phases of 180 degrees to the power supply line by the transmitter. In the data transmission of the outdoor unit, the transmitter of the outdoor unit sends the data to the indoor unit by sending or stopping the carrier to the power line. When a plurality of indoor units simultaneously send out carriers, a carrier having a phase difference of 180 degrees from the carrier sent by the outdoor unit appears on the power supply line, and the outdoor unit detects the carriers by the carrier detection device and compares them, The collision can be detected immediately and the outdoor unit can immediately stop the signal transmission to the indoor unit by stopping the carrier transmission.
【００１９】また、第３の手段の構成により、複数の室
内機が電源線に接続したとき、室外機は、特定の室内機
に対して接続台数確認信号を送出すると、特定された室
内機は、キャリアを電源線に送出する。一定時間後、他
の室内機は特定された室内機の送信装置が送出している
キャリアをキャリア検出装置により検出し、前記キャリ
アと同相のキャリアを室内機が送出することにより室外
機は、キャリア振幅検出装置により振幅を検出し、振幅
の波高値で室内機の接続台数を認識することができる。According to the structure of the third means, when a plurality of indoor units are connected to the power supply line, the outdoor unit sends a connection number confirmation signal to a specific indoor unit, and the specified indoor unit becomes , Send the carrier to the power line. After a certain period of time, the other indoor units detect the carrier transmitted by the transmitter of the specified indoor unit by the carrier detection device, and the indoor unit transmits the carrier in the same phase as the carrier, so that the outdoor unit becomes the carrier. The amplitude can be detected by the amplitude detector, and the number of connected indoor units can be recognized from the peak value of the amplitude.
【００２０】また、第４の手段の構成により、電源端子
台の接続不良等による電源端子台の異常温度上昇時に電
源端子台内部に設けた温度ヒューズが溶断し、室外機と
室内機間の信号を遮断し、空気調和機を停止することが
できる。Further, according to the structure of the fourth means, when the abnormal temperature of the power terminal block rises due to a connection failure of the power terminal block, the temperature fuse provided inside the power terminal block is melted and the signal between the outdoor unit and the indoor unit is cut off. Can be shut off and the air conditioner can be stopped.
【００２１】また、第５の手段の構成により、電源端子
台の接続不良等による電源端子台の異常温度上昇時に電
源端子台内部に設けたサーミスタにより、室外機と室内
機間の信号を遮断し、空気調和機を停止することがで
き、さらに、電源端子台の温度が低下すると、再度、通
信が可能とすることができる。Further, according to the structure of the fifth means, the signal between the outdoor unit and the indoor unit is shut off by the thermistor provided inside the power terminal block when the temperature of the power terminal block rises abnormally due to the connection failure of the power terminal block. The air conditioner can be stopped, and when the temperature of the power supply terminal block drops, communication can be made possible again.
【００２２】[0022]
【実施例】以下、本発明の第１実施例について、図１、
図２、図３を参照しながら説明する。なお、従来例と同
一部分は同一番号を付し、詳細な説明を省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.
This will be described with reference to FIGS. 2 and 3. The same parts as those in the conventional example are designated by the same reference numerals, and detailed description thereof will be omitted.
【００２３】図に示すように、室外機１と室内機２は、
同一装置を有し電源線１０１により、室外機１と室内機
２が接続されている。電源周波数カット用カップリング
コンデンサ３の間に、電源線１０１に重畳されたキャリ
アを検出するキャリア検出装置４を備え、前記、キャリ
ア検出装置４は通信用トランス１０２の１次側と直列に
配置し、通信用トランス１０２の２次側には、キャリア
の受信装置５と送信装置６が接続されている。As shown in the figure, the outdoor unit 1 and the indoor unit 2 are
The outdoor unit 1 and the indoor unit 2 having the same device are connected by a power supply line 101. A carrier detection device 4 for detecting the carrier superimposed on the power supply line 101 is provided between the power supply frequency cutting coupling capacitors 3, and the carrier detection device 4 is arranged in series with the primary side of the communication transformer 102. The receiving device 5 and the transmitting device 6 of the carrier are connected to the secondary side of the communication transformer 102.
【００２４】上記構成により、室外機１から室内機２に
対する信号の送出は、室外機１の送信装置６からキャリ
アを送出し、通信用トランス１０２を介して電源線１０
１に重畳される。室内機２は、前記キャリアを通信用ト
ランス１０２を介して受信装置５で信号を受信する。室
内機２の信号送出は、室外機１が、室外機側の送信装置
６により、一定周波数のキャリアを一定時間、通信用ト
ランス１０２の２次側に送出する。通信用トランス１０
２の１次側には、２次側と同一位相の室外機キャリア７
が誘起され、カップリングコンデンサ３を介して電源線
１０１に重畳される。室内機２は、室外機１から送出さ
れた室外機キャリア７をキャリア検出装置４により検出
し、室内機２の転送データにより室外機１の室外機キャ
リア７と１８０度位相の異なる室内機キャリア８を電源
線１０１に重畳するか、室内機キャリア８の送出を停止
するかにより室外機１に信号を送出する。電源線１０１
上には、室内機２が室外機１と位相の異なるキャリアを
送出しているときは、お互いにキャリアを打ち消しあ
い、電源線１０１上にキャリアの出現はない。また、室
内機２がキャリアの送出を停止しているときは、室外機
１からの室外機キャリア７が電源線１０１上に重畳され
ている。室外機１は、通信用トランス１０２を介して受
信装置５により電源線１０１上の電源線キャリア９の有
無を受信することにより室内機２の転送データを受け取
ることができる。電源線１０１に室内機２と他室内機
（図示せず）が接続され、室内機２の他室キャリア１１
と他室内機の他室キャリア１０が同時に送出されると室
外機１が送出している室外機キャリア１８と１８０度位
相の異なる合成キャリア１５が電源線１０１上に現れ、
室外機１は、合成キャリア１５をキャリア検出装置４で
検出し、室外機１が送出している室外機キャリア１８と
比較することでキャリアの衝突が瞬時に発見でき室外機
１はキャリアの送出を停止することにより室内機２に対
して信号の送出を瞬時に停止させることができる。With the above configuration, when the signal is transmitted from the outdoor unit 1 to the indoor unit 2, the carrier is transmitted from the transmitter 6 of the outdoor unit 1 and the power supply line 10 is transmitted through the communication transformer 102.
It is superimposed on 1. The indoor unit 2 receives a signal from the carrier via the communication transformer 102 by the receiving device 5. In the signal transmission of the indoor unit 2, the outdoor unit 1 transmits the carrier of a constant frequency to the secondary side of the communication transformer 102 for a certain time by the transmitter 6 on the outdoor unit side. Communication transformer 10
On the primary side of 2, the outdoor unit carrier 7 having the same phase as the secondary side
Is induced and superposed on the power supply line 101 via the coupling capacitor 3. The indoor unit 2 detects the outdoor unit carrier 7 sent from the outdoor unit 1 by the carrier detection device 4, and the indoor unit carrier 8 having a phase difference of 180 degrees from the outdoor unit carrier 7 of the outdoor unit 1 based on the transfer data of the indoor unit 2. Is superposed on the power supply line 101 or the sending of the indoor unit carrier 8 is stopped to send a signal to the outdoor unit 1. Power line 101
When the indoor unit 2 is sending out carriers having a phase different from that of the outdoor unit 1, the carriers cancel each other out, and no carrier appears on the power supply line 101. In addition, when the indoor unit 2 stops sending the carrier, the outdoor unit carrier 7 from the outdoor unit 1 is superimposed on the power supply line 101. The outdoor unit 1 can receive the transfer data of the indoor unit 2 by receiving the presence or absence of the power line carrier 9 on the power line 101 by the receiving device 5 via the communication transformer 102. The indoor unit 2 and another indoor unit (not shown) are connected to the power line 101, and the other room carrier 11 of the indoor unit 2 is connected.
When the other room carrier 10 of the other indoor unit is simultaneously sent out, the combined carrier 15 having a phase difference of 180 degrees from the outdoor unit carrier 18 sent by the outdoor unit 1 appears on the power supply line 101,
The outdoor unit 1 detects the composite carrier 15 by the carrier detection device 4, and by comparing it with the outdoor unit carrier 18 which the outdoor unit 1 is sending, a collision of carriers can be instantly detected and the outdoor unit 1 sends the carrier. By stopping, the signal transmission to the indoor unit 2 can be stopped instantaneously.
【００２５】このように本発明の第１実施例の空気調和
機電源重畳通信装置によれば、キャリアの衝突によるデ
ータの誤りは、所定のデータを受信しないと判断するこ
とは困難であったが、室外機１がキャリアを常にキャリ
ア検出装置４により検出することで、キャリアの衝突が
瞬時に発見でき、データの正誤判定の複雑なプログラム
が簡略化することができる。As described above, according to the air conditioner power supply superimposing communication device of the first embodiment of the present invention, it is difficult to judge that the predetermined data is not received in the data error due to the collision of the carriers. Since the outdoor unit 1 always detects the carrier by the carrier detection device 4, the carrier collision can be instantly detected, and the complicated program for determining the correctness of the data can be simplified.
【００２６】つぎに本発明の第２実施例について図４を
参照しながら説明する。図に示すように、室外機１と室
内機２は、同一装置を有し電源線１０１により、室外機
１と室内機２が接続されている。電源周波数カット用カ
ップリングコンデンサ３の間に、通信用トランス１０２
を設け、通信トランス１０２の２次側には受信装置５と
送信装置６とキャリア検出装置４を設ける。Next, a second embodiment of the present invention will be described with reference to FIG. As shown in the drawing, the outdoor unit 1 and the indoor unit 2 have the same device, and the power unit 101 connects the outdoor unit 1 and the indoor unit 2. Between the power supply frequency cutting coupling capacitor 3 and the communication transformer 102.
The receiving device 5, the transmitting device 6, and the carrier detecting device 4 are provided on the secondary side of the communication transformer 102.
【００２７】上記構成により、第１実施例と同様に、室
外機１から室内機２に対する信号の送出は、室外機１の
送信装置６からキャリアを送出し、通信用トランス１０
２を介して電源線１０１に重畳される。室内機２は、前
記キャリアを通信用トランス１０２を介して受信装置５
で信号を受信する。室内機２の信号送出は、室外機１が
送信装置６より送出された室外機キャリアを室内機２の
通信用トランス１０２を介してキャリア検出装置４で検
出され、室内機２の転送データにより検出された室外機
キャリアと１８０度位相の異なる室内機キャリアを送信
装置６により電源線１０１に重畳または、室内機キャリ
アの送出を停止することにより、電源線１０１を介して
室外機１に信号を送信する。以下、室外機１の信号受信
方法は、第１実施例と同様とする。With the above-mentioned configuration, as in the first embodiment, when the signal is transmitted from the outdoor unit 1 to the indoor unit 2, the carrier is transmitted from the transmitter 6 of the outdoor unit 1 and the communication transformer 10 is used.
It is superposed on the power supply line 101 via 2. The indoor unit 2 receives the carrier via the communication transformer 102 and receives the receiver 5.
To receive the signal. In the signal transmission of the indoor unit 2, the outdoor unit 1 detects the outdoor unit carrier transmitted from the transmitting device 6 by the carrier detection device 4 via the communication transformer 102 of the indoor unit 2, and detects by the transfer data of the indoor unit 2. A signal is transmitted to the outdoor unit 1 via the power supply line 101 by superimposing the indoor unit carrier having a phase difference of 180 degrees with that of the outdoor unit carrier on the power supply line 101 by the transmitter 6 or by stopping the sending of the indoor unit carrier. To do. Hereinafter, the signal receiving method of the outdoor unit 1 is similar to that of the first embodiment.
【００２８】このように本発明の第２実施例の空気調和
機電源重畳通信装置によれば、キャリアの衝突によるデ
ータの誤りは、所定のデータを受信しないと判断するこ
とは困難であったが、室外機１がキャリアを常にキャリ
ア検出装置４により検出することで、キャリアの衝突が
発生しても、瞬時に通信を停止し、無駄なデータ転送時
間の発生を無くすことができる。As described above, according to the air conditioner power supply superimposing communication device of the second embodiment of the present invention, it is difficult to judge that the predetermined data is not received in the error of the data due to the collision of the carriers. Since the outdoor unit 1 constantly detects the carrier by the carrier detection device 4, even if a carrier collision occurs, communication can be instantaneously stopped and useless data transfer time can be eliminated.
【００２９】つぎに本発明の第３実施例について図５、
６、７を参照しながら説明する。図に示すように、複数
の室内機２、２’・・・は電源線１０１を介して室外機
１に接続され、室外機１は、通信用トランス１０２の２
次側にキャリア振幅検出装置１３を設ける。以下、回路
構成は、第２実施例と同様とする。Next, a third embodiment of the present invention will be described with reference to FIG.
This will be described with reference to 6 and 7. As shown in the figure, the plurality of indoor units 2, 2 ′ ... Are connected to the outdoor unit 1 via a power supply line 101, and the outdoor unit 1 is connected to the communication transformer 102.
A carrier amplitude detection device 13 is provided on the next side. Hereinafter, the circuit configuration is similar to that of the second embodiment.
【００３０】上記、構成により、室外機１は電源線１０
１に接続している室内機２、２’・・・の台数を認識す
る必要がある。室外機１は、室内機２’に対して接続台
数確認信号（図示せず）を送出すると、室内機２’は、
一定周波数の他室キャリア１０を電源線１０１に送出す
ると、一定時間後、室内機２は、通信用トランス１０２
を介してキャリア検出装置４により、他室キャリア１０
を検出し、前記他室キャリア１０と同相の他室キャリア
１１を送信装置６により通信用トランス１０２を介して
電源線１０１に重畳する。電源線１０１には、他室キャ
リア１０と他室キャリア１１の合成された合成キャリア
１２が重畳される。室外機１は通信用トランス１０２の
２次側に設けられたキャリア振幅検出装置１３により電
源線１０１に重畳された合成キャリア１２を検出して、
合成キャリア１２の振幅の波高値により室内機２、
２’、・・の接続台数を認識することができる。With the above structure, the outdoor unit 1 is provided with the power supply line 10
It is necessary to recognize the number of indoor units 2, 2 '... When the outdoor unit 1 sends a connection number confirmation signal (not shown) to the indoor unit 2 ′, the indoor unit 2 ′
When the other-room carrier 10 having a constant frequency is sent to the power supply line 101, the indoor unit 2 moves to the communication transformer 102 after a certain time.
Through the carrier detection device 4, the other room carrier 10
Is detected, and the other room carrier 11 having the same phase as the other room carrier 10 is superimposed on the power supply line 101 by the transmitter 6 via the communication transformer 102. On the power supply line 101, the combined carrier 12 in which the other room carrier 10 and the other room carrier 11 are combined is superimposed. The outdoor unit 1 detects the combined carrier 12 superimposed on the power supply line 101 by the carrier amplitude detection device 13 provided on the secondary side of the communication transformer 102,
Depending on the peak value of the amplitude of the synthetic carrier 12, the indoor unit 2,
2 ', ... Can recognize the number of connected units.
【００３１】このように本発明の第３実施例の空気調和
機電源重畳通信装置によれば、空気調和機の電源線に室
外機１は室内機２、２’・・・の接続台数を自動的に認
識することができる。As described above, according to the air conditioner power supply superimposing communication device of the third embodiment of the present invention, the number of connected outdoor units 1 to indoor units 2, 2 '... Can be recognized.
【００３２】つぎに本発明の第４実施例について図８、
９を参照しながら説明する。図に示すように通信用トラ
ンス１０２の１次側と直列に温度ヒューズ１４を設け、
前記、温度ヒューズ１４は、電源端子台１５の内部に内
蔵した構造になっている。Next, a fourth embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. As shown in the figure, the temperature fuse 14 is provided in series with the primary side of the communication transformer 102,
The thermal fuse 14 is built in the power supply terminal block 15.
【００３３】上記、構成により、電源端子台１５の内部
に内蔵した、温度ヒューズ１４は電源線の接続不良等に
よる電源端子台１５の異常温度上昇により、温度ヒュー
ズ１４が溶断し、通信を強制的に遮断することにより、
空気調和機を停止することができる。With the above configuration, the temperature fuse 14 built in the power supply terminal block 15 is blown by an abnormal temperature rise of the power supply terminal block 15 due to a connection failure of the power supply line or the like, and the communication is forced. By shutting off
The air conditioner can be stopped.
【００３４】このように本発明の第４実施例の空気調和
機電源重畳によれば、電源端子台１５の異常温度上昇時
に自動的に通信を遮断し、空気調和機が不安全にならな
いようにすることができる。As described above, according to the air conditioner power supply superposition of the fourth embodiment of the present invention, the communication is automatically cut off when the temperature of the power supply terminal block 15 rises abnormally so that the air conditioner does not become unsafe. can do.
【００３５】次に本発明の第５実施例について図１０を
参照しながら説明する。図に示すように通信用トランス
１０２の２次側と直列にサーミスタ１６を設け、前記、
サーミスタ１６は、電源端子台１５の内部に内蔵した構
造となっている。上記、構成により、電源端子台１５の
内部に内蔵した、サーミスタ１６は電源線の接続不良等
による電源端子台１５の異常温度上昇により、サーミス
タ１６の抵抗値が小さくなり、通信用トランス１０２の
２次側出力電圧を低下させ、室外機と室内機間の通信を
一時的に遮断し、空気調和機を停止する。電源端子台１
５の温度が下がると、サーミスタ１６の抵抗値が大きく
なり、再度、通信を可能にする。Next, a fifth embodiment of the present invention will be described with reference to FIG. As shown in the figure, the thermistor 16 is provided in series with the secondary side of the communication transformer 102.
The thermistor 16 has a structure built in the power supply terminal block 15. With the above configuration, the thermistor 16 built in the power supply terminal block 15 has an abnormal temperature rise of the power supply terminal block 15 due to a bad connection of the power supply line, etc., and the resistance value of the thermistor 16 becomes small, so that the temperature of the communication transformer 102 is reduced. The secondary output voltage is reduced, communication between the outdoor unit and the indoor unit is temporarily cut off, and the air conditioner is stopped. Power terminal block 1
When the temperature of 5 decreases, the resistance value of the thermistor 16 increases, which enables communication again.
【００３６】このように本発明の第５実施例の空気調和
機電源重畳によれば、電源端子台１５の異常温度上昇時
に自動的に通信を遮断・復帰し、空気調和機が不安全に
ならないようにすることができる。As described above, according to the air conditioner power supply superimposition of the fifth embodiment of the present invention, the communication is automatically interrupted and restored when the abnormal temperature of the power supply terminal block 15 rises, and the air conditioner does not become unsafe. You can
【００３７】[0037]
【発明の効果】以上の実施例から明らかなように、本発
明によれば、室外機と室内機間の電源線に室内機は、室
外機が送出しているキャリアと１８０度位相の異なるキ
ャリアを送出または、キャリアの停止により、室外機は
室内機の信号を受信することができ、室外機はキャリア
の送出または、キャリアの停止により室内機に信号を送
出する。従来、電源線上でキャリアの衝突によるデータ
誤りが発生すると、所定のデータを受信しないと発見す
ることは困難であったが、本発明の通信装置によれば、
瞬時にキャリアの衝突が発見でき、衝突の発見と同時に
通信を停止し、無駄なデータ転送時間の発生を無くすこ
とができ、とともにデータの正誤判定の複雑なプログラ
ムも簡略化ができ通信効率の向上が図れる効果のある空
気調和機電源重畳通信装置が提供できる。As is apparent from the above embodiments, according to the present invention, the indoor unit is connected to the power line between the outdoor unit and the indoor unit by a carrier having a phase difference of 180 degrees from the carrier sent by the outdoor unit. Or the carrier is stopped, the outdoor unit can receive the signal of the indoor unit, and the outdoor unit sends the carrier or sends the signal to the indoor unit by stopping the carrier. Conventionally, when a data error occurs due to carrier collision on the power supply line, it was difficult to find out that predetermined data was not received, but according to the communication device of the present invention,
Carrier collision can be instantly detected, communication can be stopped at the same time as collision is detected, and unnecessary data transfer time can be eliminated, and complicated programs for data correctness determination can be simplified and communication efficiency can be improved. It is possible to provide an air conditioner power supply superimposing communication device that has the effect of achieving the above.
【００３８】また、室外機はキャリアの振幅を検出する
ことにより、電源線上に接続されている室内機の台数を
自動的に認識できる空気調和機電源重畳通信装置が提供
できる。Further, the outdoor unit can provide an air conditioner power supply superimposing communication device capable of automatically recognizing the number of indoor units connected on the power supply line by detecting the amplitude of the carrier.
【００３９】さらに、電源端子台の電源線接続不良等に
よる、電源端子台の異常温度上昇時に空気調和機を停止
または復帰することができる空気調和機通信装置が提供
できる。Further, it is possible to provide an air conditioner communication device capable of stopping or returning the air conditioner when the abnormal temperature of the power terminal block rises due to a bad connection of the power line of the power terminal block.
【図１】本発明の第１実施例の空気調和機の通信装置の
接続図FIG. 1 is a connection diagram of a communication device for an air conditioner according to a first embodiment of the present invention.
【図２】同第１実施例の通信波形図FIG. 2 is a communication waveform diagram of the first embodiment.
【図３】同第１実施例の通信衝突波形図FIG. 3 is a communication collision waveform diagram of the first embodiment.
【図４】同第２実施例の空気調和機の通信装置の接続図FIG. 4 is a connection diagram of the communication device of the air conditioner of the second embodiment.
【図５】同第３実施例の空気調和機の接続ブロック図FIG. 5 is a connection block diagram of the air conditioner of the third embodiment.
【図６】同第３実施例の空気調和機の通信装置のブロッ
ク図FIG. 6 is a block diagram of a communication device for an air conditioner according to the third embodiment.
【図７】同第３実施例の通信波形図FIG. 7 is a communication waveform diagram of the third embodiment.
【図８】同第４実施例の空気調和機の通信装置の回路図FIG. 8 is a circuit diagram of a communication device for an air conditioner according to the fourth embodiment.
【図９】同第４実施例の電源端子台の構成斜視図FIG. 9 is a configuration perspective view of a power supply terminal block according to the fourth embodiment.
【図１０】同第５実施例の空気調和機の通信装置の回路
図FIG. 10 is a circuit diagram of a communication device for an air conditioner according to the fifth embodiment.
【図１１】従来の空気調和機の通信装置のブロック図FIG. 11 is a block diagram of a communication device for a conventional air conditioner.
１ 室外機 ２ 室内機 ４ キャリア検出装置 ５ 受信装置 ６ 送信装置 １３ 振幅検出装置 １４ 温度ヒューズ １５ 電源端子台 １６ サーミスタ １０１ 電源線 １０２ 通信用トランス 1 Outdoor Unit 2 Indoor Unit 4 Carrier Detecting Device 5 Receiving Device 6 Transmitting Device 13 Amplitude Detecting Device 14 Temperature Fuse 15 Power Supply Terminal Block 16 Thermistor 101 Power Supply Line 102 Communication Transformer
Claims (5)
調和機と、室外機と室内機間を電源線で接続し、前記電
源線に重畳されているキャリアの位相を検出するキャリ
ア検出手段を備え、室外機と室内機の通信せしめる空気
調和機電源重畳通信装置。1. An air conditioner in which an outdoor unit and an indoor unit are provided separately from each other, and a carrier detection in which the outdoor unit and the indoor unit are connected by a power supply line and the phase of a carrier superimposed on the power supply line is detected. An air conditioner power supply superimposing communication device, which is provided with means and enables communication between an outdoor unit and an indoor unit.
調和機と、室外機と室内機間を電源線で接続し、前記電
源線から通信用トランスを介し、通信用トランスの２次
側に一定周波数のキャリアを送出する送信装置と、前記
キャリアを受信する受信装置と、前記キャリアの位相を
検出するキャリア検出装置を備え、室外機と室内機間を
通信せしめる空気調和機電源重畳通信装置。2. An air conditioner in which an outdoor unit and an indoor unit are separately provided, and an outdoor unit and an indoor unit are connected by a power line, and the secondary line of the communication transformer is connected from the power line through a communication transformer. An air conditioner power supply superimposition communication for communicating between an outdoor unit and an indoor unit, which is provided with a transmitting device for transmitting a carrier of a constant frequency to a side, a receiving device for receiving the carrier, and a carrier detecting device for detecting the phase of the carrier. apparatus.
調和機と、室外機と室内機間を電源線で接続し、前記電
源線から通信用トランスを介して一定周波数のキャリア
を送出する送信装置と、前記キャリアを受信する受信装
置と、前記キャリアの振幅を検出する振幅検出装置を備
えた室外機が電源線に接続されている室内機の接続台数
を認識できる空気調和機電源重畳通信装置。3. An air conditioner in which an outdoor unit and an indoor unit are separately provided, and an outdoor unit and an indoor unit are connected by a power line, and a carrier having a constant frequency is sent from the power line via a communication transformer. An air conditioner power supply superimposition capable of recognizing the number of connected indoor units in which an outdoor unit equipped with a transmitter that receives the carrier, a receiver that receives the carrier, and an amplitude detector that detects the amplitude of the carrier is connected to a power line. Communication device.
設け、空気調和機の室外機と室内機間で電源重畳の通信
を行うための通信用トランスと直列に前記温度ヒューズ
を設け、電源端子台の異常温度上昇時に通信を遮断し、
空気調和機を停止する空気調和機電源重畳総通信装置。4. A temperature fuse is provided on the power supply terminal block of the air conditioner, and the temperature fuse is provided in series with a communication transformer for performing power-superimposed communication between the outdoor unit and the indoor unit of the air conditioner. Communication is cut off when the terminal block temperature rises abnormally,
An air conditioner power supply superimposing total communication device that stops the air conditioner.
け、空気調和機の室外機と室内機間で電源重畳の通信を
行うための通信用トランスの２次側と直列に前記サーミ
スタを接続し、電源端子台の異常温度上昇時に通信を遮
断し、空気調和機を停止させ、電源端子台の温度が低下
すると再度、通信を可能にする空気調和機電源重畳通信
装置。5. A thermistor is provided on a power supply terminal block of an air conditioner, and the thermistor is connected in series with a secondary side of a communication transformer for performing power-superimposed communication between an outdoor unit and an indoor unit of the air conditioner. An air conditioner power supply superimposing communication device that interrupts communication when the temperature of the power supply terminal block rises abnormally, stops the air conditioner, and enables communication again when the temperature of the power supply terminal block decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5309097A JPH07158942A (en) | 1993-12-09 | 1993-12-09 | Air conditioner power source superposition communicating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5309097A JPH07158942A (en) | 1993-12-09 | 1993-12-09 | Air conditioner power source superposition communicating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07158942A true JPH07158942A (en) | 1995-06-20 |
Family
ID=17988856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5309097A Pending JPH07158942A (en) | 1993-12-09 | 1993-12-09 | Air conditioner power source superposition communicating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07158942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11486600B2 (en) | 2018-03-26 | 2022-11-01 | Mitsubishi Electric Corporation | Air conditioner |
-
1993
- 1993-12-09 JP JP5309097A patent/JPH07158942A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11486600B2 (en) | 2018-03-26 | 2022-11-01 | Mitsubishi Electric Corporation | Air conditioner |
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