JP2560505B2 - Control device for air conditioner - Google Patents
Control device for air conditionerInfo
- Publication number
- JP2560505B2 JP2560505B2 JP2019591A JP1959190A JP2560505B2 JP 2560505 B2 JP2560505 B2 JP 2560505B2 JP 2019591 A JP2019591 A JP 2019591A JP 1959190 A JP1959190 A JP 1959190A JP 2560505 B2 JP2560505 B2 JP 2560505B2
- Authority
- JP
- Japan
- Prior art keywords
- indoor
- outdoor
- unit
- microcomputer
- abnormality
- 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.)
- Expired - Fee Related
Links
Landscapes
- Air Conditioning Control Device (AREA)
Description
【発明の詳細な説明】 [産業上の利用分野] この発明は空気調和機に係り,特に室内外機間で行う
データ通信の異常検出手段を備えた制御装置に関するも
のである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to a control device equipped with abnormality detecting means for data communication performed between indoor and outdoor units.
[従来の技術] 第3図は例えば,特開昭63−58053号公報に示された
従来の空気調和機の制御装置のブロック図であり,図に
おいて,(1)は空気調和機の室内機,(2)は空気調
和機の室外機,(3)は交流電源(4)に直列接続され
た室内制御手段である室内制御用マイクロコンピュータ
(以下室内マイコンと称す)で,室内送信用フォトカプ
ラ(5a)と室内受信用フォトカプラ(5b)を備えた室内
送受信装置(5)と,室温情報を検出し供給するサーミ
スタ(6)と,室内マイコンにより制御されるリレー
(7)及び表示器(8)をそれぞれ接続している。
(9)は上記リレー(7)の接点で電源配線(10)に直
列に設けてある。[Prior Art] FIG. 3 is a block diagram of a conventional air conditioner control device disclosed in, for example, Japanese Patent Laid-Open No. 63-58053, in which (1) is an indoor unit of an air conditioner. , (2) is an outdoor unit of an air conditioner, and (3) is an indoor control microcomputer (hereinafter referred to as an indoor microcomputer) which is an indoor control unit connected in series with an AC power source (4). (5a) and an indoor transmitter / receiver (5) including an indoor reception photocoupler (5b), a thermistor (6) for detecting and supplying room temperature information, a relay (7) controlled by an indoor microcomputer, and an indicator ( 8) are connected respectively.
(9) is a contact of the relay (7) and is provided in series with the power supply wiring (10).
(11)は室外制御手段である室外制御用マイクロコン
ピュータ(以下室外マイコンと称す)で,室外送信用フ
ォトカプラ(12a)と室外受信用フォトカプラ(12b)を
備えた室外送受信装置(12)と,室外マイコンにより制
御される可変周波数装置(13)を設けている。(11) is an outdoor control microcomputer (hereinafter referred to as an outdoor microcomputer) that is an outdoor control means, and includes an outdoor transmission / reception device (12) including an outdoor transmission photocoupler (12a) and an outdoor reception photocoupler (12b). A variable frequency device (13) controlled by an outdoor microcomputer is provided.
(14)は上記室内送受信装置(5)と室外送受信装置
(12)とを接続する接続線,(15)は室内機(1)への
電源供給用のスイッチである。Reference numeral (14) is a connection line for connecting the indoor transceiver device (5) and the outdoor transceiver device (12), and (15) is a switch for supplying power to the indoor unit (1).
次に動作について説明する。 Next, the operation will be described.
第3図において,室内マイコン(3)は,室内温度情
報を取込み,室温と設定温度とを比較判定し,その結果
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(5)から接続線(14)を介して室外機
(2)に送信する。送信されたシリアル信号を室外送受
信装置(12)で受信し,室外マイコン(11)で処理した
誘導電動機に運転信号を出力して運転し、空気調和機を
制御する。In FIG. 3, the indoor microcomputer (3) takes in indoor temperature information, compares the room temperature with the set temperature, makes a judgment, and puts an induction motor operation signal corresponding to the result on the serial signal,
The data is transmitted from the indoor transmitter / receiver (5) to the outdoor unit (2) through the connection line (14). The transmitted / received serial signal is received by the outdoor transmission / reception device (12), and an operation signal is output to the induction motor processed by the outdoor microcomputer (11) to operate the air conditioner.
次に運転中,室外機に異常が発生した場合のフローチ
ャートを第5図に基づいて説明する。第5図において,
まず,スタートして室外マイコン(11)が停止信号
「1」を室内機(1)に送信する。室内マイコン(3)
では,ステップ(41)において停止信号「1」を受信し
たか否かを判定する。停止信号「1」を受信したと判断
すると,室内マイコン(3)から確認信号「1」を室外
機(2)へ送信する。Next, a flow chart when an abnormality occurs in the outdoor unit during operation will be described based on FIG. In Figure 5,
First, after starting, the outdoor microcomputer (11) sends a stop signal "1" to the indoor unit (1). Indoor microcomputer (3)
Then, in step (41), it is determined whether or not the stop signal "1" is received. When it is determined that the stop signal "1" has been received, the indoor microcomputer (3) transmits a confirmation signal "1" to the outdoor unit (2).
そして,室外マイコン(11)では,ステップ(42)に
おいて確認信号「1」を受信したかどうかを判定する。
判定の結果「YES」即ち,室外機(2)が確認信号
「1」を受信したと判断すると,ステップ(43)へ進
み,ステップ(43)からステップ(47)に示すように室
内機(1)と室外機(2)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(13)をON/O
FF制御をする。Then, the outdoor microcomputer (11) determines whether or not the confirmation signal "1" is received in step (42).
When it is determined that the determination result is “YES”, that is, the outdoor unit (2) has received the confirmation signal “1”, the process proceeds to step (43), and the indoor unit (1) is transferred from step (43) to step (47). ) And the outdoor unit (2) are repeatedly transmitted and received, and the variable frequency device (13) is turned ON / O.
Perform FF control.
一方,ステップ(42)において,判定が「NO」即ち,
確認信号「1」を受信検知できないと判定したときは,
ステップ(48)に進み,室外マイコン(11)により制御
している室外機(2)の全機能を停止させると共に,ス
テップ(49)において,室外機(2)が室内機(1)へ
制御信号であるシリアル信号の送信を停止する。On the other hand, in step (42), the determination is “NO”, that is,
If it is determined that the confirmation signal “1” cannot be received and detected,
In step (48), all the functions of the outdoor unit (2) controlled by the outdoor microcomputer (11) are stopped, and in step (49), the outdoor unit (2) sends a control signal to the indoor unit (1). The transmission of the serial signal is stopped.
この場合,室内マイコン(3)はステップ(50)にお
いて,室外機(2)がシリアル信号の異常で停止したこ
とを室内機(1)の表示器(8)を点灯させ表示するさ
らに,次のステップ(51)においてリレー(7)をOFF
処理し,電源配線(10)の接点(9)を開放して室内機
(2)への電源を遮断する。In this case, in step (50), the indoor microcomputer (3) lights up the display (8) of the indoor unit (1) to indicate that the outdoor unit (2) has stopped due to an abnormal serial signal. Turn off the relay (7) in step (51)
After processing, the contact (9) of the power supply wiring (10) is opened to shut off the power supply to the indoor unit (2).
以上のようにして,室外機(2)側に異常が発生した
ことを室内機(1)側に確認させることができる。As described above, it is possible to confirm on the indoor unit (1) side that an abnormality has occurred on the outdoor unit (2) side.
[発明が解決しようとする課題] 従来の空気調和機の制御装置は以上のように構成され
ているので,送受信装置が故障したときはスイッチをOF
F状態からON状態にしても,データ通信を再度行うこと
ができないと共に,どの部分の故障であるかを発見する
のに時間を費やす等の問題点があった。[Problems to be Solved by the Invention] Since the control device of the conventional air conditioner is configured as described above, when the transmitter / receiver fails, the switch is turned off.
Even if the F state is turned on, the data communication cannot be performed again, and it takes time to find out which part has a failure.
この発明は上記のような問題点を解消するためになさ
れたもので,室内マイコンがシリアル信号の異常を検出
したら,室内機側に設けた表示器を点滅表示して異常発
生を確認するとともに,表示モード切換スイッチにより
モード切換えて,室外マイコンからのデータを受信でき
ないのか,室内マイコンが送信したデータ及び室外マイ
コンが送信したデータの両方とも受信できないのかを,
室内機側に設けた表示器で確認できる制御装置を得るこ
とを目的とする。The present invention has been made to solve the above problems. When the indoor microcomputer detects an abnormality in the serial signal, the indicator provided on the indoor unit side blinks to confirm the occurrence of the abnormality. Whether the data cannot be received from the outdoor microcomputer by switching the mode with the display mode selector switch, or whether both the data transmitted by the indoor microcomputer and the data transmitted by the outdoor microcomputer cannot be received.
It is an object of the present invention to obtain a control device that can be confirmed by a display provided on the indoor unit side.
[課題を解決するための手段] この発明に係る空気調和機の制御装置は,室内機と室
外機と,これら室内機及び室外機間でデータ通信を行う
よう接続線により接続された室内送受信装置及び室外送
受信装置を有する制御装置において,送受信されるデー
タが受信されているか否かにより,データ通信の異常を
判定する判定手段と,この異常判定手段の信号を表示す
る表示器と,上記データ通信の異常箇所の表示が室内機
か室外機かを確認する表示切換手段とを設けたものであ
る。[Means for Solving the Problems] An air conditioner control device according to the present invention is an indoor unit and an outdoor unit, and an indoor transceiver device connected by a connection line to perform data communication between the indoor unit and the outdoor unit. And a controller having an outdoor transmitter / receiver, determining means for determining an abnormality in data communication depending on whether or not data to be transmitted / received is received, a display for displaying a signal of the abnormality determining means, and the data communication. The display switching means for confirming whether the display of the abnormal portion is indoor unit or outdoor unit is provided.
[作用] この発明における空気調和機の制御装置は,データ通
信の異常を検出し,検出された信号を判定手段により判
定し,表示切換手段により室内機側の表示器がどの部分
に故障が発生したかを,表示器の点滅により知らせる。[Operation] The control device for an air conditioner according to the present invention detects an abnormality in data communication, judges the detected signal by the judging means, and causes the display switching means to fail in which part of the indoor unit display. The blinking of the display indicates whether or not it has been done.
[実施例] 以下、この発明の一実施例を図面に基づいて説明す
る。第1図はこの発明の一実施例である空気調和機の制
御装置のブロック図,第2図は第1図の制御装置のシリ
アル信号の送受信の手順を示すフローチャートであり,
第1図中,従来例と同一または相当構成要素を同一符号
で表し,重複説明は省略する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a control device for an air conditioner that is an embodiment of the present invention, and FIG. 2 is a flow chart showing a procedure of transmitting and receiving a serial signal of the control device of FIG.
In FIG. 1, the same or corresponding components as those of the conventional example are represented by the same reference numerals, and the duplicate description will be omitted.
(16)は室内マイコン(3)に具備したデータ通信の
異常を判定する異常判定手段,(17)は室内マイコン
(3)に接続したスイッチからなる表示切換手段,(1
8)は室内マイコン(3)に具備された室内外制御信号
の受信判定手段である。(16) is an abnormality judging means for judging an abnormality in data communication provided in the indoor microcomputer (3), (17) is a display switching means consisting of a switch connected to the indoor microcomputer (3), (1)
Reference numeral 8) is an indoor / outdoor control signal reception determination means provided in the indoor microcomputer (3).
また,室外機(2)から室内機(1)へ送信されるシ
リアル信号に,室内機(1)と室外機(2)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
「誘導電動機の運転/停止」の運転情を付加してある。Further, it is confirmed whether or not there is an abnormality in the serial signal transmitted from the outdoor unit (2) to the indoor unit (1) in the transmission / reception of the serial signal between the indoor unit (1) and the outdoor unit (2). The driving information "running / stopping the induction motor" is added.
次に,この一実施例の動作を説明する。 Next, the operation of this embodiment will be described.
第2図のフローチャートにおいて,スタートしてステ
ップ(60)において室内機(1)の室内マイコン(3)
が室内制御信号を送信する。その後,ステップ(61)
で,室外機(2)の室外マイコン(11)が室内制御信号
を受信する。そして,ステプ(62)に進み室外マイコン
(11)が室内制御信号を受信できたか否かを判定する。
もし,受信していればステップ(63)に進み,室外マイ
コン(11)が室外制御信号を送信する。ステップ(62)
において,室外マイコン(11)が室内制御信号を受信で
きなければ,ステップ(64)へ進み,室外マイコン(1
1)が室外制御信号を送信しない。そして,ステップ(6
5),(66)に進み室内マイコン(3)が室外制御信号
を受信したか否かを判定する。もし,受信していればス
タートに戻る。In the flowchart of FIG. 2, the indoor microcomputer (3) of the indoor unit (1) is started at step (60).
Sends an indoor control signal. Then step (61)
Then, the outdoor microcomputer (11) of the outdoor unit (2) receives the indoor control signal. Then, in step (62), it is determined whether the outdoor microcomputer (11) has received the indoor control signal.
If it has been received, the process proceeds to step (63), and the outdoor microcomputer (11) transmits an outdoor control signal. Steps (62)
If the outdoor microcomputer (11) cannot receive the indoor control signal in step 2, go to step (64) to open the outdoor microcomputer (1
1) does not send the outdoor control signal. And step (6
5) Go to (66) and determine whether the indoor microcomputer (3) has received the outdoor control signal. If it is received, return to the start.
もし,受信していなければステップ(67)へ進み受信
エラーカウンターをNG回数にプラス1としステップ(6
8)で室内マイコン(3)が受信エラーカウンターがn
回になったか否かを判定する。もしn回に達していなけ
ればスタートに戻る。If not received, the process proceeds to step (67), and the reception error counter is incremented by 1 to the NG count, and step (6
In step 8), the indoor microcomputer (3) shows the reception error counter as n.
It is determined whether or not the number of turns has been reached. If it has not reached n times, return to the start.
もし,n回に達したならば,ステップ(69),(70)に
進み,リレー(7)をOFFし,室外機(2)への電源供
給を停止させて,表示器(8)を異常表示する。If the number of times reaches n, proceed to steps (69) and (70), turn off the relay (7), stop the power supply to the outdoor unit (2), and make the display (8) abnormal. indicate.
次に,ステップ(71)において,表示切換スイッチ
(17)がONしているか否かを判定し,もし,ONしていれ
ばステップ(72)へ進み,室内マイコン(3)が室内制
御信号及び室外制御信号の両方を受信できなかったかを
判定し,もし,受信できなかったならばステップ(73)
へ進み室内送受信装置(5)が不良である点滅表示,即
ち,ONをt秒,OFFをt秒の点滅周期で点滅する。また、O
Nならばステップ(74)に進み,室外送受信装置(12)
が不良である点滅表示,即ち,ONがt秒,OFFが3t秒の点
滅周期で点滅する。Next, in step (71), it is judged whether or not the display changeover switch (17) is ON, and if it is ON, the process proceeds to step (72), where the indoor microcomputer (3) outputs the indoor control signal and It is judged whether both the outdoor control signals cannot be received, and if they cannot be received, the step (73)
Proceeding to step (b), a blinking display indicating that the indoor transmitter / receiver (5) is defective, that is, ON is blinked for t seconds and OFF is blinked for t seconds. Also O
If N, go to step (74) and outdoor transmitter / receiver (12)
Is a defective blinking display, that is, ON blinks for t seconds and OFF blinks for 3t seconds.
[発明の効果] 以上のように,この発明によれば,室内機と室外機
と,この室内機,室外機間でデータ通信を行うよう接続
線で接続された室内送受信装置及び室外送受信装置を有
する制御装置において,室内外送受信装置により送受信
されるデータが受信されているか否かにより,データ通
信の異常を判定する異常判定手段と,異常判定信号を表
示する表示器とを備え、上記データ通信の異常箇所の表
示が室内機か室外機かを確認する表示切換手段と、室内
外制御信号の受信を判定する受信判定手段とを上記室内
機側に設けた構成としたので、使用者が室内機側で室内
外送受信回路中、室内送受信装置または室外送受信装置
のいずれが故障したかを手軽に、かつ確実に判断できる
効果を有するものである。[Advantages of the Invention] As described above, according to the present invention, an indoor unit and an outdoor unit, and an indoor transceiver and an outdoor transceiver which are connected by a connection line to perform data communication between the indoor unit and the outdoor unit. The control device has an abnormality determining means for determining an abnormality in data communication depending on whether or not data transmitted / received by the indoor / outdoor transmitter / receiver is received, and a display for displaying an abnormality determination signal. The display switching means for confirming whether the abnormal location display is an indoor unit or an outdoor unit and the reception determination means for determining the reception of the indoor / outdoor control signal are provided on the indoor unit side, so that the user can This has the effect of easily and reliably determining which of the indoor transmitter / receiver and the outdoor transmitter / receiver has failed in the indoor / outdoor transmitter / receiver circuit.
第1図はこの発明の一実施例による空気調和機の制御装
置のブロック図,第2図は第1図の制御装置のシリアル
信号送受信を示すフローチャート第3図は従来の空気調
和機の制御装置のブロック図,第4図は第3図の制御装
置の電気回路図,第5図は第3図の制御装置のシリアル
信号送受信を示すフローチャートである。 (1)は室内機,(2)は室外機,(3)は室内マイコ
ン,(5)は室内送受信装置,(8)は表示器,(11)
は室外マイコン,(12)は室外送受信装置,(14)は接
続線,(16)は異常判定手段,(17)は表示切換手段で
ある。 図中,同一符号は同一又は相当部分を示す。FIG. 1 is a block diagram of an air conditioner control device according to an embodiment of the present invention, FIG. 2 is a flow chart showing serial signal transmission / reception of the control device of FIG. 1, and FIG. 3 is a conventional air conditioner control device. Is a block diagram of FIG. 4, FIG. 4 is an electric circuit diagram of the control device of FIG. 3, and FIG. 5 is a flowchart showing serial signal transmission / reception of the control device of FIG. (1) is an indoor unit, (2) is an outdoor unit, (3) is an indoor microcomputer, (5) is an indoor transceiver, (8) is an indicator, (11)
Is an outdoor microcomputer, (12) is an outdoor transmitter / receiver, (14) is a connection line, (16) is an abnormality determination means, and (17) is a display switching means. In the figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
室内機と、室外制御用マイクロコンピュータを有する室
外機と、これら室内機と室外機との間でデータ通信を行
うよう接続線により接続された室内送受信装置及び室外
送受信装置を有する制御装置において、上記室内外送受
信装置により送受信されるデータが受信されているか否
かにより、データ通信の異常を判定する異常判定手段
と、この異常判定手段により出力されるデータ通信の異
常判定信号を表示する表示器とを備え、上記データ通信
の異常箇所の表示が室内機か室外機かを確認する表示切
換手段と、室内外制御信号の受信を判定する受信判定手
段とを上記室内機側に設けたことを特徴とする空気調和
機の制御装置。1. An indoor unit having a microcomputer for indoor control, an outdoor unit having a microcomputer for outdoor control, and indoor transmission / reception connected by a connection line for data communication between the indoor unit and the outdoor unit. In a control device having a device and an outdoor transmitter / receiver device, an abnormality determining means for determining an abnormality in data communication depending on whether or not the data transmitted / received by the indoor / outdoor transmitter / receiver device is output, and the abnormality determining means outputs the abnormality. A display unit for displaying an abnormality determination signal for data communication, display switching means for confirming whether the display of the abnormal portion for data communication is an indoor unit or an outdoor unit, and reception determination means for determining reception of an indoor / outdoor control signal Is provided on the indoor unit side, and is a control device for an air conditioner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019591A JP2560505B2 (en) | 1990-01-30 | 1990-01-30 | Control device for air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019591A JP2560505B2 (en) | 1990-01-30 | 1990-01-30 | Control device for air conditioner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03225142A JPH03225142A (en) | 1991-10-04 |
JP2560505B2 true JP2560505B2 (en) | 1996-12-04 |
Family
ID=12003493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019591A Expired - Fee Related JP2560505B2 (en) | 1990-01-30 | 1990-01-30 | Control device for air conditioner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2560505B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007298237A (en) * | 2006-05-01 | 2007-11-15 | Denso Corp | Electric power control system and electric power control method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6252347A (en) * | 1985-08-30 | 1987-03-07 | Toshiba Corp | Indication of abnormality in air-conditioning machine |
JPS6365246A (en) * | 1986-09-03 | 1988-03-23 | Sanyo Electric Co Ltd | Indication of air-conditioning machine |
JPS63194154A (en) * | 1987-02-07 | 1988-08-11 | Daikin Ind Ltd | Air-conditioning system |
JPH0689925B2 (en) * | 1987-09-29 | 1994-11-14 | 三菱電機株式会社 | Air conditioner |
-
1990
- 1990-01-30 JP JP2019591A patent/JP2560505B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03225142A (en) | 1991-10-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0783091B1 (en) | Transmission device for air conditioner | |
JP2012117704A (en) | Air conditioner | |
JP2560505B2 (en) | Control device for air conditioner | |
JP3206595B2 (en) | Air conditioner transmission equipment | |
JP3018929B2 (en) | Air conditioner transmission equipment | |
JPH0689925B2 (en) | Air conditioner | |
JPH07133950A (en) | Signal transmission circuit of air conditioner | |
JP2003056891A (en) | Indoor unit communication equipment | |
JP3821580B2 (en) | Air conditioner control device and control method thereof | |
JPH02234202A (en) | Controller for air conditioner | |
JP2970430B2 (en) | Air conditioner transmission equipment | |
JPS63143452A (en) | Protective device of air conditioner | |
JPH04106350A (en) | Device for controlling air conditioner | |
JPS6317338A (en) | Operation protecting device for air-conditioning machine | |
JPH0328650A (en) | Air conditioner | |
JPH02272252A (en) | Operation control device for air conditioner | |
JP2967695B2 (en) | Multi-room air conditioner | |
JP2003185236A (en) | Air conditioner | |
JPH09126534A (en) | Operation control system of air conditioner | |
JPH07318142A (en) | Air conditioner | |
JPH03148799A (en) | Power source controller for sales data processor for oil station | |
JPH0632156A (en) | Signal line controller for vehicle | |
JPH07324799A (en) | Abnormal content confirming device of air conditioner | |
JPH0239697A (en) | Selective controller | |
JPH03186140A (en) | Controlling method for air conditioner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |