JPH0436533A - Operation control device for air conditioner - Google Patents
Operation control device for air conditionerInfo
- Publication number
- JPH0436533A JPH0436533A JP2143186A JP14318690A JPH0436533A JP H0436533 A JPH0436533 A JP H0436533A JP 2143186 A JP2143186 A JP 2143186A JP 14318690 A JP14318690 A JP 14318690A JP H0436533 A JPH0436533 A JP H0436533A
- Authority
- JP
- Japan
- Prior art keywords
- communication circuit
- modulated wave
- power line
- communication
- signals
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 claims abstract description 61
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000005856 abnormality Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は 空気調和機における室内機と室外機間で通信
信号の送受信を行なう空気調和機の通信手段の改善に関
するものであａ
従来の技術
従来の空気調和機ζ戴 第６図に示す様に変調部３７と
結合部３８と受信部３９で構成された通信手段を室内楓
室外機それぞれに有し 一種類の変調波周波数を使用
してい九
また 変調方法は 第７図（ａ）に示す様１変調波が有
れば 通信信号は”１” 無ければ”０″としていた
発明が解決しようとする課題
ところ力（前記通信方法の場合室内ａ 室外機とも同じ
変調波周波数を使用しており、同時に通信すると互いに
干渉してしまうＡ 第６図（ｂ）の様＆−交互に通信し
なければならなかったこのことは通信情報量を制限する
ことになり、空気調和機の運転制御をあらくせざるを得
なかった
本発明４友 上記従来の課題に鑑へ 通信性能を向上さ
せることにより、空気調和機をよりきめ細かに制御する
ことを目的とすａ
また 前記通信手段の変調波周波数を複数設けるととも
に電力線上に通信状況を監視する手段を具備し 前記監
視手段からの出力にもとづいて、前記複数の変調波周波
数の中から選択的に送信周波数を切り替える手段を設け
ることにより、外乱による通信性能低下を防止すること
を目的とすムさら凶 異常通信信号専用の変調波周波数
を設けることにより、空気調和機の室内機あるいは室外
機に生じた異常に対し迅速に対応することを目的とす也
課題を解決するための手段
上記課題を解決するため仁 本発明４１ 空気調和機
の運転制御装置にそれぞれ異なる変調波周波数をもつ通
信手段を具備したものであａまた 本発明は複数の変調
波周波数の中から外乱の影響の少ない変調・波周波数を
選択切り替えるようにしたものであも
さらく 本発明は異常通信信号専用の変調波周波数を設
けたものであａ
作用
本発明３友 上記手段により通信情報量を大幅に増加さ
せ、空気調和機の運転制御をよりきめ細かにするもので
あも
また 本発明は外乱による通信性能低下を防止するもの
である。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an improvement in communication means for an air conditioner that transmits and receives communication signals between an indoor unit and an outdoor unit in the air conditioner. As shown in Fig. 6, each of the indoor and outdoor units has a communication means composed of a modulating section 37, a coupling section 38, and a receiving section 39, and one type of modulated wave frequency is used. The modulation method is as shown in Figure 7(a).If there is one modulated wave, the communication signal is ``1'', otherwise it is ``0''. Both machines use the same modulation wave frequency, and if they communicate at the same time, they will interfere with each other.A As shown in Figure 6 (b) &- They had to communicate alternately.This limits the amount of communication information. The four friends of the present invention had no choice but to improve the operation control of air conditioners due to a) Further, a plurality of modulated wave frequencies of the communication means are provided, and a means for monitoring the communication status is provided on the power line, and a transmission frequency is selectively selected from among the plurality of modulated wave frequencies based on the output from the monitoring means. By providing a switching means, the purpose is to prevent communication performance from deteriorating due to external disturbances.By providing a modulation wave frequency exclusively for abnormal communication signals, it is possible to prevent abnormalities occurring in the indoor unit or outdoor unit of the air conditioner. Invention 41 An operation control device for an air conditioner is equipped with communication means each having a different modulated wave frequency. Also, the present invention is a method that selects and switches a modulation/wave frequency that is less affected by disturbance from among a plurality of modulated wave frequencies.The present invention also provides a modulating wave frequency exclusively for abnormal communication signals. 3 ADVANTAGES OF THE INVENTION The above-mentioned means significantly increase the amount of communication information and provide more detailed operation control of air conditioners.The present invention also prevents deterioration of communication performance due to disturbances. .
さらに本発明は運転異常対応を迅速に行なえるようにす
るものであム
実施例
以下、本発明の一実施例について図面を参照しながら説
明すも
第１＠ 第２図および第３図を用いて第１の実施例につ
いて説明すも
第１図において、本発明の空気調和機は 室内機２と室
外機３で構成されており前記室内機２および室外機３は
それぞれの端子台７，８を介して電力線９により接続
されていも
第２図は 前記室内機２の電子制御装置４の通信回路１
１と前記室外機３の電子制御装置５の通信回路１７の構
成を示す。Further, the present invention enables quick response to operational abnormalities.Example: Hereinafter, an example of the present invention will be explained with reference to the drawings. In FIG. 1, the air conditioner of the present invention is composed of an indoor unit 2 and an outdoor unit 3, and the indoor unit 2 and outdoor unit 3 are connected to respective terminal blocks 7 and 8. Although the communication circuit 1 of the electronic control device 4 of the indoor unit 2 is connected through the power line 9 in FIG.
1 and the configuration of the communication circuit 17 of the electronic control device 5 of the outdoor unit 3.
室内側通信回路１１の送信部１３は 制御部１２からの
通信信号を変調波周波数ｆ１にて変調し結合部１４を介
して電力線９に重畳させも また結合部１６１戴 電力
線９より変調波周波数ｆ２にて重畳された信号のみを選
択入力し 受信部１５にて復調されａ
同様番ミ 室外側通信回路１７の送信部１１よ制御部１
８からの通信信号を変調波周波数ｆ２にて変調し 結合
部２０を介して電力線９に重畳させも また 結合！２
２は電力線より変調波周波数ｆ１にて重畳された信号の
みを選択入力し 受信部２１により復調されも
従って、前記室内側通信回路１１と室外側通信回路１７
より、同時に信号を送信した場合、電力線９に（よ 第
３図８３の様な合成信号が重畳される力（それぞれの受
信部は それぞれの変調波周波数のみを選択入力するた
数 室内側通信回路ｌｌは 室外側通信回路１７の送信
信号のみを復調することができ、また室外側通信回路１
７ ＋；ｉ、、 室内側通信回路１１の送信信号のみ
を復調することができも
以上より、室内および室外相互で同時に通信することが
可能となり、通信情報量を大幅に増加させることができ
、空気調和機の運転をよりきめ細かに制御することがで
きる。The transmitting section 13 of the indoor communication circuit 11 modulates the communication signal from the control section 12 at the modulated wave frequency f1 and superimposes it on the power line 9 via the coupling section 14. Select and input only the superimposed signal at the receiving section 15, and demodulate it at the receiving section 15.
Even if the communication signal from 8 is modulated at the modulation wave frequency f2 and superimposed on the power line 9 via the coupling section 20, it is also coupled! 2
2 selects and inputs only the signal superimposed at the modulated wave frequency f1 from the power line, and demodulates it by the receiving section 21. Accordingly, the indoor communication circuit 11 and the outdoor communication circuit 17
Therefore, when transmitting signals at the same time, the power line 9 has the power to superimpose a composite signal as shown in Fig. 3 (83) (each receiving section selectively inputs only the respective modulated wave frequency).Indoor communication circuit ll can demodulate only the transmission signal of the outdoor communication circuit 17, and can demodulate only the transmission signal of the outdoor communication circuit 1.
7 +;i,, It is possible to demodulate only the transmission signal of the indoor communication circuit 11. As described above, it is possible to simultaneously communicate indoors and outdoors, and the amount of communication information can be significantly increased. The operation of the air conditioner can be controlled more precisely.
さらに第４図を用いて第２図の実施例について説明すも
空気調和機を運転する際 特にインバータについては圧
縮機を種々の周波数で運転するム 広範囲の周波数域で
ノイズを発生する力（このノイズに含まれる変調波周波
数と同周波数成分が強大な場合、通信に支障を来たす可
能性がある。Furthermore, the embodiment shown in Fig. 2 will be explained using Fig. 4. When operating an air conditioner, especially when operating an inverter, the compressor is operated at various frequencies. If the noise has a strong frequency component that is the same as the modulated wave frequency, it may cause communication problems.
そこで前記室内側通信回路１１を変調波周波数ｆｌ、ｆ
２にてそれぞれ変調送信する送信回路２４、２５および
変調波周波数ｆ３．ｆ４にてそれぞれ変調された信号を
受信復調する受信回路２６゜２７で構成し また 前記
室外側通信回路１７を変調波周波数ｆ３．ｆ４にてそれ
ぞれ変調送信する送信回路２９．３０および変調波周波
数ｆ １゜ｆ２にてそれぞれ変調された信号を受信復調
する受信回路３１．３２で構成すム
ここ玄 変調波周波数ｆ１およびｆ３にて通信を行って
いる時、ノイズの周波数ｆ１成分が強大になると受信部
２の復調出力が不安定になム 制御部はこの様な通信状
況を監視する手段を具備しており、前記の様な状況を検
知すると、切り替え部２８により受信回路を受信回路３
１から受信回路３２へ切り替えると同時に 情報を室内
側へ送信し 室内側通信回路１１１ｉ 室外機より送
信された情報に基づき送信回路を送信回路２４から送信
回路２５へ切り替え変調波周波数をｆ２とすも以上の様
に 通信の状況に応じて、変調波周波数を選択切り替え
ることにより、外乱により通信が受ける影響を最小にす
ることができもさらに第５図を用いて第３の実施例につ
いて説明すも
空気調和機の運転東 室内機に異常が生Ｕ ただちに圧
縮機を停止させる必要が生じた場合で耘異常信号は他の
制御信号に組み込まれて通信されるＡ 異常に対する制
御が遅れてしまう。Therefore, the indoor communication circuit 11 has modulated wave frequencies fl and f.
Transmission circuits 24 and 25 which modulate and transmit signals at f3.2 and modulated wave frequency f3. It is composed of receiving circuits 26 and 27 that receive and demodulate signals modulated at f4, respectively, and the outdoor communication circuit 17 is connected to a modulated wave frequency f3. This circuit consists of transmitting circuits 29 and 30 that modulate and transmit signals at f4, respectively, and receiving circuits 31 and 32 that receive and demodulate signals modulated at modulated wave frequencies f1 and f2. During communication, if the noise frequency f1 component becomes strong, the demodulated output of the receiver 2 becomes unstable. When the situation is detected, the switching unit 28 switches the receiving circuit to the receiving circuit 3.
At the same time as switching from the transmitting circuit 1 to the receiving circuit 32, information is transmitted to the indoor side, and the transmitting circuit is switched from the transmitting circuit 24 to the transmitting circuit 25 based on the information transmitted from the indoor communication circuit 111i, and the modulated wave frequency is set to f2. As described above, by selectively switching the modulation wave frequency according to the communication situation, it is possible to minimize the influence of disturbances on communication. Operation of the air conditioner East An abnormality occurs in the indoor unit.U If it is necessary to stop the compressor immediately, the abnormality signal will be incorporated into other control signals and communicatedA. Control over the abnormality will be delayed.
そこで、通常の制御信号は変調波周波数ｆ１およびｆ２
で行賎 異常信号は変調波周波数ｆ３およびｆ４で行う
。このことにより異常を常に監視することができ、異常
に対する制御を発生と同時に行うことができも
発明の効果
以上のように空気調和機の運転制御装置へ それぞれ異
なる変調波周波数をもち、 その内−つの変調波周波数
により通信信号を変調送信する送信部と、前記送信部よ
り送出される変調信号を電力線上へ搬送する結合部と、
前記変調波周波数とは異なる変調波周波数にて電力線上
に搬送された信号を選択入力する結合部と前記入力され
た信号を復調する受信部とを具備することにより、空気
調和機の通信性能を向上させ、よりきめ細かに制御する
ことができも
また 前記変調波周波数をそれぞれ複数設けるとともに
電力線上の通信状況を監視する手段を具備し 前記監視
手段からの出力に基づいて、前記複数の変調波周波数の
中から選択的に通信周波数を切り替える手段を設けるこ
とにより、外乱により通信が阻害されることを防止する
ことができもさらに異常通信信号専用の変調波周波数を
設けることにより、空気調和機の室内機あるいは室外機
に生じた異常に対し迅速に対応することができもTherefore, normal control signals are modulated wave frequencies f1 and f2.
The abnormal signal is generated at modulated wave frequencies f3 and f4. As a result, abnormalities can be constantly monitored, and control for abnormalities can be performed at the same time as they occur. a transmitting unit that modulates and transmits a communication signal using a modulated wave frequency; a coupling unit that conveys the modulated signal sent from the transmitting unit onto a power line;
The communication performance of the air conditioner can be improved by comprising a coupling unit that selectively inputs a signal carried on a power line at a modulated wave frequency different from the modulated wave frequency, and a receiving unit that demodulates the input signal. In addition, a plurality of the modulated wave frequencies are provided, and a means for monitoring the communication status on the power line is provided, and the plurality of modulated wave frequencies are controlled based on the output from the monitoring means. By providing a means to selectively switch the communication frequency from among the communication frequencies, it is possible to prevent communication from being inhibited by external disturbances.Furthermore, by providing a modulation wave frequency exclusively for abnormal communication signals, it is possible to prevent It is possible to quickly respond to abnormalities that occur in the machine or outdoor unit.
第１図は本発明の空気調和機の構成医 第２図は本発明
の空気調和機において第１の実施例で構成される通信手
段のブロック医 第３図は第２図における波形仇 第４
図は本発明の第２の実施例で構成される通信手段のブロ
ック医 第５図は本発明の第３の実施例で構成される通
信手段のブロック医 第６図は従来の通信手段のブロッ
ク医第７図（ａ）は変調前後の波形図 第７図（ｂ）は
従来の通信方法を示す波形図である。
１・・・・給電用コンセントプラダ ２・・・・室内機
３・・・・室外機 ４・・・・室内機電子制御装置 ５
・・・・室外機電子制御装置 ６・・・・ブロッキング
フィル久 ７，８・・・・室内外接続端子台、 ９・・
・・電力線 １０・・・・圧縮機 １１．１７・・・・
本発明の通信回路 １３．１９・・・・送信部 １４，
１６，２０、２２・・・・結合孔 １５．２１・・・・
受信ＦＡ、］２、１８・・・・制御孔 ２３．２８・・
・・切り替え訊２４、 ２５． ２９． ３０・・・・
送信回路 ２６，２７、 ３１． ３２・・・・受信回
路 ３３．３５・・・・制御用通信回路 ３４．３６・
・・・異常専用通信回路３７・・・・従来の送信部 ３
８・・・・従来の結合孔３９・・・・従来の受信部
代理人の氏名 弁理士 粟野重孝 はか１名第
図
第
図
第
図
第
図
第
図FIG. 1 shows the configuration of the air conditioner of the present invention. FIG. 2 shows the block diagram of the communication means configured in the first embodiment in the air conditioner of the present invention. FIG. 3 shows the waveforms in FIG. 2.
Figure 5 shows a block diagram of a communication means according to a second embodiment of the present invention. Figure 5 shows a block diagram of a communication means constructed according to a third embodiment of the present invention. Figure 6 shows a block diagram of a conventional communication means. FIG. 7(a) is a waveform diagram before and after modulation. FIG. 7(b) is a waveform diagram showing a conventional communication method. 1...Power supply outlet Prada 2...Indoor unit 3...Outdoor unit 4...Indoor unit electronic control device 5
...Outdoor unit electronic control device 6...Blocking filter 7,8...Indoor/outdoor connection terminal block, 9...
...Power line 10...Compressor 11.17...
Communication circuit of the present invention 13.19... Transmission unit 14,
16, 20, 22...Binding hole 15.21...
Reception FA, ]2, 18... Control hole 23.28...
...Switching questions 24, 25. 29. 30...
Transmission circuit 26, 27, 31. 32... Receiving circuit 33.35... Control communication circuit 34.36...
... Abnormality dedicated communication circuit 37 ... Conventional transmitter 3
8...Conventional coupling hole 39...Conventional Name of receiving department agent Patent attorney Shigetaka Awano Haka 1 person Figure Figure Figure Figure Figure
Claims (3)
の変調波周波数により通信信号を変調送信する送信部と
前記送信部より送出される変調信号を室内機と室外機間
の電力線上へ搬送する結合部と前記変調波周波数とは異
なる変調波周波数にて室内機と室外機間の電力線上に搬
送された信号を選択入力する結合部と前記選択入力され
た信号を復調する受信部を具備した空気調和機の運転制
御装置。(1) A transmitter that modulates and transmits a communication signal using one of the modulated wave frequencies, each having a different modulated wave frequency; and a transmitter that transmits the modulated signal sent from the transmitter onto the power line between the indoor unit and the outdoor unit. The coupling unit includes a coupling unit that selectively inputs a signal carried on a power line between the indoor unit and the outdoor unit at a modulated wave frequency different from the modulated wave frequency, and a receiving unit that demodulates the selectively input signal. Air conditioner operation control device.
通信状況を監視する手段を具備し、前記監視手段からの
出力にもとづいて、前記複数の変調波周波数の中から選
択的に通信周波数を切り替える手段を設けた請求項（１
）記載の空気調和機の運転制御装置。(2) It has a plurality of modulated wave frequencies and also includes means for monitoring the communication status on the power line, and selectively selects a communication frequency from among the plurality of modulated wave frequencies based on the output from the monitoring means. Claim (1) providing means for switching
) The air conditioner operation control device described in ).
信信号を前記変調波周波数により変調送信する送信部と
、前記送信部より送出される変調信号を受信する受信部
と、前記変調信号を電力線上に搬送する結合部を具備し
た請求項（１）記載の空気調和機の運転制御装置。(3) a transmitting section that has a modulated wave frequency dedicated to the abnormal communication signal and modulates and transmits the communication signal using the modulated wave frequency; a receiving section that receives the modulated signal sent from the transmitting section; The operation control device for an air conditioner according to claim 1, further comprising a coupling portion for conveying the power onto a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2143186A JP2850489B2 (en) | 1990-05-31 | 1990-05-31 | Operation control device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2143186A JP2850489B2 (en) | 1990-05-31 | 1990-05-31 | Operation control device for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0436533A true JPH0436533A (en) | 1992-02-06 |
| JP2850489B2 JP2850489B2 (en) | 1999-01-27 |
Family
ID=15332878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2143186A Expired - Fee Related JP2850489B2 (en) | 1990-05-31 | 1990-05-31 | Operation control device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2850489B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010203768A (en) * | 2010-05-07 | 2010-09-16 | Mitsubishi Electric Corp | Air conditioner and air conditioner system |
| EP2416080A3 (en) * | 2010-08-05 | 2017-02-01 | Samsung Electronics Co., Ltd. | Power device and safety control method thereof |
| WO2019168168A1 (en) * | 2018-03-01 | 2019-09-06 | ダイキン工業株式会社 | Air conditioning system |
-
1990
- 1990-05-31 JP JP2143186A patent/JP2850489B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010203768A (en) * | 2010-05-07 | 2010-09-16 | Mitsubishi Electric Corp | Air conditioner and air conditioner system |
| EP2416080A3 (en) * | 2010-08-05 | 2017-02-01 | Samsung Electronics Co., Ltd. | Power device and safety control method thereof |
| WO2019168168A1 (en) * | 2018-03-01 | 2019-09-06 | ダイキン工業株式会社 | Air conditioning system |
| JP2019152426A (en) * | 2018-03-01 | 2019-09-12 | ダイキン工業株式会社 | Air conditioning system |
| CN111801531A (en) * | 2018-03-01 | 2020-10-20 | 大金工业株式会社 | Air conditioning system |
| CN111801531B (en) * | 2018-03-01 | 2022-06-03 | 大金工业株式会社 | Air conditioning system |
| US11489552B2 (en) | 2018-03-01 | 2022-11-01 | Daikin Industries, Ltd. | Air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2850489B2 (en) | 1999-01-27 |
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