JPS6358053A - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JPS6358053A JPS6358053A JP61203091A JP20309186A JPS6358053A JP S6358053 A JPS6358053 A JP S6358053A JP 61203091 A JP61203091 A JP 61203091A JP 20309186 A JP20309186 A JP 20309186A JP S6358053 A JPS6358053 A JP S6358053A
- Authority
- JP
- Japan
- Prior art keywords
- indoor
- outdoor unit
- signal
- 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.)
- Pending
Links
- 230000005856 abnormality Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012790 confirmation Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000007257 malfunction Effects 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000277269 Oncorhynchus masou Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、室内機と室外機間の運転情報の援受を通信
手段を利用して行うようにした空気調和機ζζ係り、特
に室内、外８１同での送受信の異常を検知してユニット
機器の誤動作を防止した空気調和機に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an air conditioner ζζ that utilizes communication means to receive operating information between an indoor unit and an outdoor unit, and is particularly applicable to an indoor unit and an outdoor unit. The present invention relates to an air conditioner that prevents malfunction of unit equipment by detecting an abnormality in transmission and reception at the same time.
第５図は、例えば特開昭５９−４６４３９号公報に示さ
れた従来の空気調和機における室内、外機間の通信シス
テム構成図である。同図において、１ば室内機、２は室
外機で、上記室内機ｌば室内制御用マイクロコンピュー
タ （以下室内マイコンと云う）３と、この室内マイコ
ン３に接続され室外ＰＪｔ２との間でシリアル信号の送
受信を行う室内送受信装置４と、室温情報を検出し、こ
れを室内マイコンに供給するサーミスタ５、及び室内マ
イコン３により制御されるリレー６を備えており、上記
リレー６の接点６ａは交流電源７と室外機２とを接続す
る電源ラインＬに直列に接続されている。また、上記室
外機２は、室外制御用マイクロコンピュータ（以下室外
マイコンと云う）８と、この室外マイコン８に接続され
室内機１との間でシリアル信号の送受信を行う室外送受
信装置９、及び室外マイコン８により制御される可変周
波数装置ｌＯとを備えている。１１は上記室内送受信装
置４と室外送受信装置９間を接続する信号線である。FIG. 5 is a diagram showing the configuration of a communication system between indoor and outdoor units in a conventional air conditioner disclosed in, for example, Japanese Patent Laid-Open No. 59-46439. In the figure, 1 is an indoor unit, 2 is an outdoor unit, and the indoor unit 1 is a serial signal transmitted between an indoor control microcomputer (hereinafter referred to as the indoor microcomputer) 3 and an outdoor PJt 2 connected to the indoor microcomputer 3. It is equipped with an indoor transmitting/receiving device 4 that transmits and receives room temperature information, a thermistor 5 that detects room temperature information and supplies it to the indoor microcomputer 3, and a relay 6 that is controlled by the indoor microcomputer 3, and a contact 6a of the relay 6 is connected to an AC power source. 7 and the outdoor unit 2 in series. The outdoor unit 2 also includes an outdoor control microcomputer (hereinafter referred to as the outdoor microcomputer) 8, an outdoor transmitting/receiving device 9 connected to the outdoor microcomputer 8 and transmitting and receiving serial signals to and from the indoor unit 1, and an outdoor control microcomputer 8. A variable frequency device IO controlled by a microcomputer 8 is provided. Reference numeral 11 denotes a signal line connecting the indoor transmitting/receiving device 4 and the outdoor transmitting/receiving device 9.
第６図は上記可変周波数装置１０の詳細を示す構成図で
、交流電源７に接続され交流を直流に変換するコンバー
タ１２と、コンバータ１２の直流出力電圧を平滑化する
コンデンサ１３と、コンバータ１２のの直流出力を室外
マイコン９からの制御信号に基いて任意周波数の３相交
流に変換するインバータ１４、及びインバータ１４の交
流出力端に接続された圧縮機用の誘導電動機１５とから
構成されている。FIG. 6 is a detailed configuration diagram of the variable frequency device 10, which includes a converter 12 connected to the AC power source 7 and converting AC to DC, a capacitor 13 smoothing the DC output voltage of the converter 12, and a capacitor 13 of the converter 12. The inverter 14 converts the DC output of the AC into three-phase AC of arbitrary frequency based on the control signal from the outdoor microcomputer 9, and the induction motor 15 for the compressor is connected to the AC output terminal of the inverter 14. .
次に動作について説明する。室内マイコン３では、サー
ミスタ５により検知された温度を取込み、該温度を予め
設定されている室内設定湿度とを比較し、その比較結果
から得られた制御信号をＰＣＭ変換等したシリアルデー
タとして室内送受信装置４に出力すると共に、該シリア
ルデータは室内送受信装置４から信号線１１を通して室
外機２へ送信されろ。室外機２側では、シリアルデータ
を室外送受信装置９で受信し、室外マイコン８に送込ん
でインバータ制御信号に変換すると共に、制御信号を可
変周波数装置１０に出力することにより、可変周波数１
０、即ちインバータ１４を制御して誘導電動機１５を室
温が設定温度に維持されるようにオン／オフ制御する。Next, the operation will be explained. The indoor microcomputer 3 takes in the temperature detected by the thermistor 5, compares the temperature with the preset indoor humidity, and transmits and receives the control signal obtained from the comparison result indoors as serial data after PCM conversion etc. At the same time as being output to the device 4, the serial data is transmitted from the indoor transceiver device 4 to the outdoor unit 2 through the signal line 11. On the outdoor unit 2 side, the outdoor transmitter/receiver 9 receives the serial data, sends it to the outdoor microcomputer 8 and converts it into an inverter control signal, and outputs the control signal to the variable frequency device 10 to set the variable frequency 1.
0, that is, the inverter 14 is controlled to turn on/off the induction motor 15 so that the room temperature is maintained at the set temperature.
ここで、可変周波数装置１０の構成要素であるインバー
タ１４への過電流の流入を阻止する過電流保護回路（図
示せず）が作動したり、あるいはインバータを構成する
半導体素子の熱暴走を保護する保護回路（図示せず）が
作動すると、異常検出手段が働き、可変周波数装置１０
の運転が停止される。At this point, an overcurrent protection circuit (not shown) is activated to prevent overcurrent from flowing into the inverter 14, which is a component of the variable frequency device 10, or to protect the semiconductor elements constituting the inverter from thermal runaway. When the protection circuit (not shown) is activated, the abnormality detection means is activated and the variable frequency device 10
operation will be stopped.
上記のように構成された従来の空気調和機では、室内機
１と室外機２Ｉ８１で送受信されろシリアル信号に異常
があっても、これを判別することができない。このため
、室内機１側から室外機２（１１１７へ運転指令あるい
は停止指令が送信されたにも拘らず、室外［２の誘導電
動機１５が運転しているのか、停止しているのか検知で
きず、これに伴い空気調和機が誤動作し、異常状態に陥
る等の問題があった。 この発明は上記のような問題点
を解決するためになされたもので、室内機と室外機間で
送受信されるシリアル信号の異常による機器の誤動作を
防止し、併せてその異常をｉ認できるようにした空気調
和機を提供することを目的とする。In the conventional air conditioner configured as described above, even if there is an abnormality in the serial signal transmitted and received between the indoor unit 1 and the outdoor unit 2I81, it is not possible to determine this. For this reason, even though a run command or a stop command is sent from the indoor unit 1 side to the outdoor unit 2 (1117), it is not possible to detect whether the induction motor 15 of the outdoor unit 2 (1117) is running or stopped. This has led to problems such as the air conditioner malfunctioning and falling into an abnormal state.This invention was made to solve the above problems. It is an object of the present invention to provide an air conditioner that prevents malfunction of equipment due to an abnormality in a serial signal, and also allows the abnormality to be recognized.
この発明にかかる空気調和機は、送受信装置を通して室
外機から室内機に送信されろシリアルデータに室外機の
＊！ｌｉ！１機運転／停止情報を付加すると共に、室内
機から室外機へ送信されるシリアルデータに上記運転／
停止情報の受信確認情報を付加し、上記室内機及び室外
機の制御用マイクロコンピュータに上記各情報の受信の
有無を判定してシリアルデータの異常を検知する手段を
備えてなるものである。The air conditioner according to the present invention transmits serial data from the outdoor unit to the indoor unit through the transmitting/receiving device. li! 1 machine operation/stop information is added, and the above operation/stop information is added to the serial data sent from the indoor unit to the outdoor unit.
The apparatus is equipped with a means for detecting an abnormality in the serial data by adding reception confirmation information of the stop information and determining whether or not each of the above information is received in the microcomputer for controlling the indoor unit and the outdoor unit.
この発明においては、室外機の送信シリアルデータに付
加した運転／停止情報及び室内機の送信シリアルデータ
に付加した確認情報が室内機、室外機で正常に受信きれ
ていないことが判定検知手段で判定された時、室外機の
全機能を停止させ、そして、室内機側ではシリアルデー
タの異常を表示し、室外機への電源供給を停止する。こ
れによりシリアルデータの異常に伴う室外機の誤動作を
防止し、かつ空気調和機が正常に動作しているか否かの
確認を可能にする。In this invention, the determination detection means determines that the operation/stop information added to the transmitted serial data of the outdoor unit and the confirmation information added to the transmitted serial data of the indoor unit are not properly received by the indoor unit and the outdoor unit. When this occurs, all functions of the outdoor unit are stopped, the indoor unit displays an error in the serial data, and the power supply to the outdoor unit is stopped. This prevents malfunctions of the outdoor unit due to abnormalities in the serial data, and makes it possible to confirm whether the air conditioner is operating normally.
以下、乙の発明の実施例を図面について説明する。 Hereinafter, embodiments of the invention of B will be described with reference to the drawings.
第１図はこの発明に係る空気調和機の全体のシステム構
成図を示す。同図において、２０は室内機、２１は室外
機である。FIG. 1 shows an overall system configuration diagram of an air conditioner according to the present invention. In the figure, 20 is an indoor unit, and 21 is an outdoor unit.
上記室内機２０は室内制御用マイクロコンピュータ（以
下室内マイフンと云う）２２と、この室内マイコン２２
に接続され室外機２１との間でシリアル信号の送受信を
行う室内送受信装置４と、室温情報を検出しこれを室内
マイコン２２に供給するサーミスタ５と、室内マイコン
２２により制御されるリレー６及び表示器２３を備え、
上記リレー６の接点６ａは交流電源７と室外機２１とを
接続する電源ラインＬに直列に接続されている。The indoor unit 20 includes an indoor control microcomputer (hereinafter referred to as an indoor microcomputer) 22 and an indoor microcomputer 22.
an indoor transmitting/receiving device 4 connected to the outdoor unit 21 for transmitting and receiving serial signals to and from the outdoor unit 21, a thermistor 5 that detects room temperature information and supplies it to the indoor microcomputer 22, a relay 6 controlled by the indoor microcomputer 22, and a display. Equipped with a vessel 23,
A contact point 6a of the relay 6 is connected in series to a power line L that connects the AC power source 7 and the outdoor unit 21.
また、上記室外機２１は、室外制御用マイクロコンピュ
ータ（以下室外マイコンと云う）２４と、この室外マイ
コン２４に接続され室内機１との間でシリアル信号の送
受信を行う室外送受信装置９及び室外マイコン２４によ
り制御される可変周波数装置１０を備えている。１１は
室内送受信装置４と室外送受信装置９間を接続する信号
線である。The outdoor unit 21 also includes an outdoor control microcomputer (hereinafter referred to as the outdoor microcomputer) 24, an outdoor transceiver 9 that is connected to the outdoor microcomputer 24, and transmits and receives serial signals to and from the indoor unit 1, and an outdoor microcomputer. A variable frequency device 10 controlled by 24 is provided. Reference numeral 11 denotes a signal line connecting the indoor transmitting/receiving device 4 and the outdoor transmitting/receiving device 9.
第２図は上記第１図の空気調和機のシステム構成図にお
けるシリアル信号送受信部を具体的に示したもので、第
１図と同一符号は同一部分を示している。また、室内送
受信装置４と室外送受信装置９間を結ぶ信号線１１には
可変周波数装置１１への電源ラインＬの一部が利用され
、この信号線ラインＬと室内送受信装置４及び室外送受
信装置９間はそれぞれの送信用フォトカブラ４ａ、９ａ
及び受信用フォトカプラ４ｂ、９ｂによって接続されて
いる。FIG. 2 specifically shows the serial signal transmitting/receiving section in the system configuration diagram of the air conditioner shown in FIG. 1, and the same reference numerals as in FIG. 1 indicate the same parts. Further, a part of the power line L to the variable frequency device 11 is used as the signal line 11 connecting the indoor transmitter/receiver 4 and the outdoor transmitter/receiver 9, and this signal line L and the indoor transmitter/receiver 4 and the outdoor transmitter/receiver 9 are connected to each other. The space between each transmitting photocoupler 4a and 9a
and are connected by receiving photocouplers 4b and 9b.
また、室内８１２０と室外機２１間でのシリアル信号の
送受信に異常が発生したか否かを確認するために、室外
機２１から室内＠２０へ送信されるシリアル信号に「誘
導電動機の運転／停止」の情報を付加Ｉ７、さらに室内
機２０から室外８１２１へ送信されるシリアル信号に、
上記「誘導電動機運転／停止」の送信情報に応答する「
確認情報」を付加しである。In addition, in order to confirm whether or not an abnormality has occurred in the transmission and reception of serial signals between the indoor unit 8120 and the outdoor unit 21, the serial signal sent from the outdoor unit 21 to the indoor unit 20 is set to "Start/stop the induction motor." ” is added to the serial signal sent from the indoor unit 20 to the outdoor unit 8121,
``In response to the above ``induction motor start/stop'' transmission information
Confirmation information" is added.
次に、上記のように構成された本実施例の動作について
説明する。Next, the operation of this embodiment configured as described above will be explained.
室温サーミスタ５で検知された温度情報が室内マイコン
２２に取り込まれると、室内マイコン２２は、室温と設
定温度とを比較し、室温が設定温度より低いと判定され
た時は、その判定結果に応じた「誘導電動機運転信号」
をシリアル信号に載せて、室内送受信装置４から信号線
１１を通して室外８１２１に送信する。室外機２１では
、上記シリアル信号を室外送受信装置９で受信し、室外
マイコン２４で処理することにより「運転信号」に基き
誘導電動機を運転させ、室温が設定温度に達するように
空気調和機を制御する。When the temperature information detected by the room temperature thermistor 5 is taken into the indoor microcomputer 22, the indoor microcomputer 22 compares the room temperature with the set temperature, and if it is determined that the room temperature is lower than the set temperature, the indoor microcomputer 22 adjusts the temperature according to the determination result. "Induction motor operation signal"
is placed on a serial signal and transmitted from the indoor transmitting/receiving device 4 to the outdoor 8121 through the signal line 11. In the outdoor unit 21, the outdoor transmitter/receiver 9 receives the serial signal, and the outdoor microcomputer 24 processes it to operate the induction motor based on the "operation signal" and control the air conditioner so that the room temperature reaches the set temperature. do.
上記運転中において、インバータ１４ （第６図参照）
への過電流の流入を阻止する過電流保護回路が動作した
り、インバータを構成する半導体素子の熱暴走を保護す
る保；Ｗ回路が動作すると、室外マイコン２４内の維持
検出手段が作動し可変周波数装置１０が運転を停止する
１、その後、第３図のフローチャー１・に示すプログラ
ムがスタートする。During the above operation, the inverter 14 (see Figure 6)
When the overcurrent protection circuit that prevents overcurrent from flowing into the inverter is activated, or when the protection W circuit that protects the semiconductor elements constituting the inverter from thermal runaway is activated, the maintenance detection means in the outdoor microcomputer 24 is activated. 1 in which the frequency device 10 stops operating, and then the program shown in flowchart 1 in FIG. 3 starts.
まず、室外マイコン２４が「停止信号」を“１”にして
室内機２０に送信する。室内機２０の室内マイコン２２
では、第３図のステップ３０で示すように停止信号＝“
１”を受信したか否かを判定する。ここで、停止信号＝
“１″を受信したことが判断されると、室内マイコン２
２からは、その「確認信号」を“１”にして、これを室
外４Ｘｉ２１へ送信する。そして室外マイコン２４では
、確認信号＝“１″を受信したか否かを判定する（ステ
ップ３６）。室外機２１が確認信号−“１”を受信した
ことを判断すると、ステップ３１へ進み、ステップ３１
〜３５に示す如く室内機２０と室外８１２１との間でシ
リアル信号の送受信が繰り返されると共に、可変周波数
装置１０をオン／オフ制御する。First, the outdoor microcomputer 24 sets the "stop signal" to "1" and transmits it to the indoor unit 20. Indoor microcomputer 22 of indoor unit 20
Then, as shown in step 30 of FIG. 3, the stop signal = “
1" is received.Here, stop signal =
When it is determined that “1” has been received, the indoor microcomputer 2
2 sets the "confirmation signal" to "1" and transmits it to the outdoor 4Xi21. Then, the outdoor microcomputer 24 determines whether or not the confirmation signal = "1" has been received (step 36). When it is determined that the outdoor unit 21 has received the confirmation signal - "1", the process proceeds to step 31;
As shown in 35 to 35, serial signals are repeatedly transmitted and received between the indoor unit 20 and the outdoor unit 8121, and the variable frequency device 10 is controlled to turn on/off.
一方、ステップ３６の判定結果が「ＮＯ」、即ち、確認
信号＝“１″を受信検知できないと判定された時は、ス
テップ３７に進み、室外マイコン２４により制御してい
る室外機の全機能を停止させろと共に、次のステップ３
８において、室外機２１が室内機２０ヘシリアル信号（
制御信号）を送信するのを停止する。即ち、室内機２０
から室外機２１ヘシリアル信号が正常に送信されてぃな
いと判定して、室外機２１の全機能を停止させ、これに
より室外機２１が誤動作するのを防止する。On the other hand, when the determination result in step 36 is "NO", that is, it is determined that the confirmation signal = "1" cannot be received and detected, the process proceeds to step 37, and all functions of the outdoor unit controlled by the outdoor microcomputer 24 are activated. Stop it and take the next step 3.
8, the outdoor unit 21 sends a serial signal (
control signals). That is, the indoor unit 20
It is determined that the serial signal is not normally transmitted to the outdoor unit 21, and all functions of the outdoor unit 21 are stopped, thereby preventing the outdoor unit 21 from malfunctioning.
第４図は異常時に室外機の全機能停止と、室内機へのシ
リアル信号送信停止を行わせろと共に、リレー６及び表
示器２３を用いて室内ＢＸ側でも室外機側を制御するよ
うにしたフローチャートである。Figure 4 is a flowchart showing how to stop all functions of the outdoor unit and stop sending serial signals to the indoor unit in the event of an abnormality, and also control the outdoor unit on the indoor BX side using the relay 6 and display 23. It is.
第４図のフローチャー１・において、ステップ３０〜３
８は第３図のそれと同一の処理を行うものであり、第３
図と異なる点は、室内マイコン２２が異常時の処理を行
うところにある。即ち、室外マイコン２４が室外送受信
装置９の送信停止処理を行うことにより、室内マイコン
２２は室外機２１がシリアル信号の異常で停止したこと
を室内８！２０の表示器２３を点灯させろことにより表
示しくステップ３９）、さらに次のステップ４０でリレ
ー６をオフ処理し、これにより、電源ラインＬの接点６
ａを開放して、室外機２１への電源供給を断つ。このよ
うにして、室外機側に異常が発生したことを室内機側に
確認することができる。In flowchart 1 of FIG. 4, steps 30 to 3
8 performs the same processing as that in Fig. 3;
The difference from the diagram is that the indoor microcomputer 22 performs processing in the event of an abnormality. That is, when the outdoor microcomputer 24 performs a process to stop the transmission of the outdoor transmitting/receiving device 9, the indoor microcomputer 22 indicates that the outdoor unit 21 has stopped due to an abnormality in the serial signal by lighting up the display 23 of the indoor unit 8!20. In step 39), the relay 6 is turned off in the next step 40, and as a result, the contact 6 of the power line L is turned off.
a to cut off the power supply to the outdoor unit 21. In this way, it is possible to confirm on the indoor unit side that an abnormality has occurred on the outdoor unit side.
以上のように、この発明によれば、空気調和機の室外機
から室内機への送信信号「誘導電動機の運転／停止信号
」を付加し、さらに室内機から室外機への送信信号に上
記「誘導電動機運転／停止信号Ｊに応答する「確認信号
」を付加し、これら信号の室内機及び室外機での受信が
判定されないとき、シリアル信号に異常があると判断し
て、室外機の全機能及びシリアル信号の送信を停止する
ようにしたので、シリアル信号の異常送受信による室外
機側のＩＩＩＷｆｈ作を防止することができ、しかも、
室外機側に設けたリレーをオフすることで室外機への電
源供給を断って室外機の安全を確保し、かつ室内機側に
設けた表示器を点灯表示することで異常発生を室内機側
で確認することができる効果がある。As described above, according to the present invention, the "induction motor run/stop signal" is added to the transmission signal from the outdoor unit of the air conditioner to the indoor unit, and the "induction motor run/stop signal" is added to the transmission signal from the indoor unit to the outdoor unit. A "confirmation signal" is added in response to the induction motor start/stop signal J, and if it is not determined that these signals are received by the indoor unit or outdoor unit, it is determined that there is an abnormality in the serial signal and all functions of the outdoor unit are activated. Since the transmission of serial signals is stopped, it is possible to prevent IIIWfh operation on the outdoor unit side due to abnormal transmission and reception of serial signals.
By turning off the relay installed on the outdoor unit side, the power supply to the outdoor unit is cut off to ensure the safety of the outdoor unit, and the indicator installed on the indoor unit side is lit to indicate that an abnormality has occurred on the indoor unit side. There is an effect that can be confirmed in .
第１図はこの発明に係る空気調和機のシステム構成図、
第２図は第１図のシステム構成部におけろシリアル信号
送受信部の具体例を示すブロック図、第３図及び第４図
はこの発明におけろシリアル信号の送受信の手順を示す
フローチャート、第５図は従来の空気調和機のシステム
構成図、第６図はその可変周波数装置の内部構成ブロッ
ク図である。
４・・室内送受信装置、６ ・リレー、９・・室外送受
信装置、１０・・・可変周波数装置、１１・・信号線、
２０・室外機、２１・・・室内機、２２・−室内マイコ
ン、２３・・表示器、２４・・・室外マイコン。
なお、図中同一符号は同一または相当部分を示す。
代理人 大 岩 増 ｊａ（外２名）
第２図
第３図
第４図FIG. 1 is a system configuration diagram of an air conditioner according to the present invention,
FIG. 2 is a block diagram showing a specific example of the serial signal transmitting/receiving section in the system configuration section of FIG. 1, and FIGS. FIG. 5 is a system configuration diagram of a conventional air conditioner, and FIG. 6 is an internal configuration block diagram of its variable frequency device. 4.Indoor transmitter/receiver, 6.Relay, 9.Outdoor transmitter/receiver, 10.Variable frequency device, 11.Signal line,
20・Outdoor unit, 21・Indoor unit, 22・Indoor microcomputer, 23・Display device, 24・Outdoor microcomputer. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent Masu Oiwa (2 others) Figure 2 Figure 3 Figure 4
Claims (2)
と、室外制御用マイクロコンピュータを有する室外機と
、上記室内機と室外機との間でシリアルデータの通信を
行う送受信装置とを備え、上記室外機から室内機への送
信シリアルデータに室外機の電動機運転／停止の情報を
付加すると共に、上記室内機から室外機への送信シリア
ルデータに上記電動機運転／停止情報の受信確認情報を
付加し、上記室内機及び室外機の各制御用マイクロコン
ピュータが上記各情報の受信の有無を判定してシリアル
データの異常を検知する手段を有し、上記判定検知手段
が受信のなしによりシリアルデータの異常を判定した時
室外機全機能を停止するようにしたことを特徴とする空
気調和機。(1) The outdoor unit includes an indoor unit having an indoor control microcomputer, an outdoor unit having an outdoor control microcomputer, and a transmitting/receiving device for communicating serial data between the indoor unit and the outdoor unit. At the same time, the outdoor unit's motor operation/stop information is added to the serial data transmitted from the indoor unit to the outdoor unit, and reception confirmation information of the motor operation/stop information is added to the transmission serial data from the indoor unit to the outdoor unit. Each of the control microcomputers of the indoor unit and the outdoor unit has a means for detecting an abnormality in the serial data by determining whether or not each of the above information is received, and the determination detecting means determines an abnormality in the serial data based on the non-reception of the information. An air conditioner characterized in that all functions of the outdoor unit are stopped when the air conditioner is turned off.
ルデータが送信されていないことを判定したとき、室内
機にシリアルデータの異常表示と室外機への電源供給を
停止するようにしたことを特徴とする特許請求の範囲第
１項記載の空気調和機。(2) When the determination function means of the indoor unit determines that serial data is not being transmitted from the outdoor unit, the indoor unit displays an error in the serial data and stops power supply to the outdoor unit. An air conditioner according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61203091A JPS6358053A (en) | 1986-08-29 | 1986-08-29 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61203091A JPS6358053A (en) | 1986-08-29 | 1986-08-29 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6358053A true JPS6358053A (en) | 1988-03-12 |
Family
ID=16468220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61203091A Pending JPS6358053A (en) | 1986-08-29 | 1986-08-29 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6358053A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0225655A (en) * | 1988-07-12 | 1990-01-29 | Mitsubishi Heavy Ind Ltd | Control signal transfer circuit for air conditioner |
| JPH02130339A (en) * | 1988-11-11 | 1990-05-18 | Mitsubishi Electric Corp | Controller for air conditioner |
| JPH02234202A (en) * | 1989-03-08 | 1990-09-17 | Mitsubishi Electric Corp | Controller for air conditioner |
| JPH0351656A (en) * | 1989-07-19 | 1991-03-06 | Mitsubishi Electric Corp | Control device of air conditioner |
-
1986
- 1986-08-29 JP JP61203091A patent/JPS6358053A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0225655A (en) * | 1988-07-12 | 1990-01-29 | Mitsubishi Heavy Ind Ltd | Control signal transfer circuit for air conditioner |
| JPH02130339A (en) * | 1988-11-11 | 1990-05-18 | Mitsubishi Electric Corp | Controller for air conditioner |
| JPH02234202A (en) * | 1989-03-08 | 1990-09-17 | Mitsubishi Electric Corp | Controller for air conditioner |
| JPH0351656A (en) * | 1989-07-19 | 1991-03-06 | Mitsubishi Electric Corp | Control device of air conditioner |
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