JPH0587391A - Controller for air conditioner - Google Patents
Controller for air conditionerInfo
- Publication number
- JPH0587391A JPH0587391A JP3249162A JP24916291A JPH0587391A JP H0587391 A JPH0587391 A JP H0587391A JP 3249162 A JP3249162 A JP 3249162A JP 24916291 A JP24916291 A JP 24916291A JP H0587391 A JPH0587391 A JP H0587391A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- air volume
- heat exchanger
- air
- upper limit
- 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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ヒートポンプ式空気調
和機で暖房運転を行う際の制御装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for heating operation in a heat pump type air conditioner.
【０００２】[0002]
【従来の技術】従来、ヒートポンプ式の空気調和機で暖
房運転を行う場合、暖房運転開始直後は、室内熱交換器
の温度が低いため、室内ファンを起動すると、室内機か
ら冷たい風が出て、在室者に不快感を与えてしまう。2. Description of the Related Art Conventionally, when a heating operation is performed by a heat pump type air conditioner, the temperature of the indoor heat exchanger is low immediately after the heating operation is started. Therefore, when the indoor fan is started, cold air is emitted from the indoor unit. , Gives an unpleasant feeling to people in the room.
【０００３】このため、室内熱交換器の温度を検出し、
その温度によって吹出す空気の風量の上限を制限するこ
とがなされている。Therefore, the temperature of the indoor heat exchanger is detected,
The upper limit of the amount of air blown out is limited by the temperature.
【０００４】すなわち、図６に示すよう室内熱交換器温
度がＴ0 を超えるときは風量の制限をせず、温度がＴ0
以下のときはその風量を制限している。That is, as shown in FIG. 6, when the indoor heat exchanger temperature exceeds T 0 , the air volume is not limited and the temperature is T 0.
In the following cases, the air volume is limited.
【０００５】[0005]
【発明が解決しようとする課題】ところで、暖房の快適
性を得るには、暖房運転開始からいちはやく室内温度が
設定温度まで立ち上がることが重要であり、また安定運
転時は高い温度の風が吹出すことが重要である。このた
め、先ず室内温度を立ち上げるには、図６で示した熱交
換器温度Ｔ0 の温度を低く設定しておき風量をあまり制
限せずに熱交換量を大きくすれば、部屋はいちはやく暖
めることができるが、安定運転時には、熱交換量が大き
いため冷たい風が出てしまい不快感を与えてしまう。ま
た逆に、このＴ0 を安定運転時に適した高い温度に設定
し、安定運転時に高い温度の風を出すべく風量を制限す
ると、吹出し風は暖かい風が出るので上述した問題は解
消できるものの、暖房開始から風が出るまでの時間が長
くなり室温が設定温度まで達するまでに時間がかかる問
題がある。By the way, in order to obtain the comfort of heating, it is important that the room temperature rises to the set temperature as soon as the heating operation is started, and the high temperature air blows out during stable operation. This is very important. For this reason, first, in order to raise the indoor temperature, the temperature of the heat exchanger temperature T 0 shown in FIG. 6 is set low, and the heat exchange amount is increased without restricting the air flow so much that the room is warmed up quickly. However, during stable operation, a large amount of heat is exchanged, so cold winds are emitted, which causes discomfort. On the other hand, if T 0 is set to a high temperature suitable for stable operation and the amount of air is limited to generate high temperature air during stable operation, the above-mentioned problem can be solved because warm air comes out. There is a problem that the time from the start of heating to the release of air becomes longer and it takes time for the room temperature to reach the set temperature.
【０００６】そこで、本発明の目的は、上記課題を解決
し、暖房運転時にいちはやく室温を立ち上げることがで
きると共に安定運転時は高温の風を吹出すことができる
ヒートポンプ式空気調和装置の制御装置を提供すること
にある。Therefore, an object of the present invention is to solve the above-mentioned problems and to control a heat pump type air conditioner capable of quickly raising the room temperature during heating operation and blowing out high temperature air during stable operation. To provide.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明は、室内機に熱交換温度を検知する熱交センサ
と室温を検知する室温センサとを備えた空気調和装置の
制御装置において、暖房運転時に熱交換器温度に対して
ファンの上限風量を設定すると共に運転開始時は上限風
量を高く、かつ安定運転時は上限風量を低く設定する制
御手段を備えたものである。In order to achieve the above object, the present invention relates to an air conditioner control device having an indoor unit including a heat exchange sensor for detecting a heat exchange temperature and a room temperature sensor for detecting a room temperature. A control means is provided for setting the upper limit air volume of the fan with respect to the heat exchanger temperature during the heating operation and setting the upper limit air volume at the start of the operation to be high and at the stable operation to be low.
【０００８】[0008]
【作用】上記構成によれば、暖房開始時には、上限風量
を高くし、熱交換器温度がある程度低くても吹出し空気
が冷たくない程度の温度で風量を高くして吹出すことで
部屋をいちはやく設定温度まで高め、安定運転時は、上
限風量を低くして熱交換器温度が高くない限り、その風
量を押さえることで暖かい空気を吹出すことができ快適
な暖房運転が行える。According to the above construction, at the start of heating, the upper limit air volume is increased, and even if the heat exchanger temperature is low to some extent, the air volume is increased at a temperature at which the blown air is not cold and the air is blown out to quickly set the room. When the temperature is raised to a stable temperature and the heat exchanger temperature is high by lowering the upper limit air volume during stable operation, by controlling the air volume, warm air can be blown out and comfortable heating operation can be performed.
【０００９】[0009]
【実施例】以下、本発明の一実施例を添付図面に基づい
て詳述する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
【００１０】図１は本発明の一実施例を示す制御装置の
ブロック図を示し、図において、１は室内機で、図には
示していないが室内熱交換器を有し、この室内熱交換器
と室外機２に設けられた室外熱交換器，圧縮機，減圧装
置（図示せず）などでヒートポンプサイクルを構成して
いる。FIG. 1 is a block diagram of a control device showing an embodiment of the present invention. In the figure, reference numeral 1 is an indoor unit, which has an indoor heat exchanger (not shown in the drawing). The heat pump cycle is configured by the heat exchanger, the outdoor heat exchanger provided in the outdoor unit 2, the compressor, the pressure reducing device (not shown), and the like.
【００１１】さて室内機１は、リモコン３から送信され
る運転情報を受信する受光ユニット４を有し、その受信
情報が制御手段５に入力される。また室内機１は、吸い
込み空気温度を検出する室温センサ６，室内熱交換器温
度を検出する熱交センサ７を有し、これら温度情報が変
換回路８を介して制御手段５に入力される。The indoor unit 1 has a light receiving unit 4 for receiving the operation information transmitted from the remote controller 3, and the received information is input to the control means 5. The indoor unit 1 also has a room temperature sensor 6 for detecting the intake air temperature, and a heat exchange sensor 7 for detecting the indoor heat exchanger temperature, and these temperature information is input to the control means 5 via the conversion circuit 8.
【００１２】制御手段５は、これら情報を基にファン駆
動回路９を介してファン１０を駆動すると共に送受信回
路１１を介して室外機２と運転情報の送受信を行うよう
になっている。Based on these information, the control means 5 drives the fan 10 via the fan drive circuit 9 and transmits / receives operation information to / from the outdoor unit 2 via the transmission / reception circuit 11.
【００１３】リモコン３には、風量設定スイッチ１２，
温度設定スイッチ１３，運転モード設定スイッチ１４な
どが設けられ、これらスイッチ１２〜１４で設定風量，
設定温度，冷暖房などを設定できるようになっている。
この場合、風量設定は『自動』であれば制御手段５がヒ
ートポンプサイクルの運転状況から自動的に出力風量を
設定し、また『Ｈ』，『Ｍ』，『Ｌ』，『ＵＬ』は使用
者が手動に切り換えた場合の風量を示し、ＨからＵＬに
かけて段階的に風量が少なくなるようにされる。また制
御手段５はタイマー１５を内臓している。The remote controller 3 has an air volume setting switch 12,
A temperature setting switch 13, an operation mode setting switch 14 and the like are provided. With these switches 12 to 14, the set air volume,
You can set the temperature, heating and cooling.
In this case, if the air volume setting is "automatic", the control means 5 automatically sets the output air volume from the operating condition of the heat pump cycle, and "H", "M", "L", and "UL" are the users. Indicates the air volume when switched to manual, and the air volume is gradually reduced from H to UL. Further, the control means 5 has a timer 15 built therein.
【００１４】暖房運転が開始された時、制御手段５は、
基本的には熱交換器温度に対してその風量の上限を設定
するが、立上がり運転の時は熱交換器温度が低くても極
力風量が大きくなるように上限風量を設定し、また安定
運転の時は、熱交換器温度が高くない限り風量は大きく
ならないようにその上限風量を設定するようになってい
る。これにより運転開始時は速く風を吹かして部屋全体
を速く暖め、また安定運転時には高い温度の風を吹かす
ことで快適な暖房運転が達成できる。When the heating operation is started, the control means 5
Basically, the upper limit of the air volume is set with respect to the heat exchanger temperature, but at the time of start-up operation, the upper air volume is set so that the air volume is as large as possible even if the heat exchanger temperature is low, and stable operation is also performed. At this time, the upper limit air volume is set so that the air volume does not increase unless the heat exchanger temperature is high. As a result, a comfortable air-warming operation can be achieved by blowing air quickly at the start of operation to warm the entire room quickly, and blowing air at a high temperature during stable operation.
【００１５】次により具体的な制御を図５のフローチャ
ートにより説明する。Next, more specific control will be described with reference to the flowchart of FIG.
【００１６】先ず制御が開始され、暖房かどうかを判断
し（ｓｔｅｐ１）、暖房運転であれば（ＹＥＳ）、前回
暖房であったかかどうかを判断する（ｓｔｅｐ２）。こ
の判断で初めて暖房が行われた（ＮＯ）なら。、タイマ
ーをスタートさせ、次に自動か手動かの風量モードの判
断を行う（ｓｔｅｐ３）。この判断で自動の場合を説明
すると、タイマーのカウント値の判断（ｓｔｅｐ４）を
行い、次にリモコン３で設定された設定温度と室温セン
サ６で検出した室温とで温度差を判断し（ｓｔｅｐ
５）、その温度差が３℃以上の時、又は運転開始から３
分以内であれば、すなわち立上がり運転時は、図２
（ａ）より熱交換器温度に対する上限風量から制限風量
を計算する。この制限風量は、図２（ａ）に示すよう、
熱交換器温度が、例えば３０℃以上となったならファン
をｏｆｆからＳＬ（超微風）、３２℃を越えたらＵＬ
（微風），３４℃を越えたらＬ（弱風），３６℃を越え
たら（中風），３８℃を越えたら制限なしと設定されて
おり、熱交換器温度からその制限温度を求める。First, the control is started, and it is judged whether or not it is heating (step 1), and if it is the heating operation (YES), it is judged whether or not it was the previous heating (step 2). If heating is done for the first time by this judgment (NO). , The timer is started, and then the automatic or manual air volume mode is judged (step 3). To explain the automatic case with this judgment, the count value of the timer is judged (step 4), and then the temperature difference between the set temperature set by the remote controller 3 and the room temperature detected by the room temperature sensor 6 is judged (step 4).
5), when the temperature difference is 3 ° C or more, or 3 from the start of operation.
If it is within a minute, that is, during start-up operation,
From (a), the limit air volume is calculated from the upper limit air volume with respect to the heat exchanger temperature. As shown in FIG. 2A, this limit air volume is
If the temperature of the heat exchanger is, for example, 30 ° C or higher, turn the fan off to SL (ultra-fine air), and if it exceeds 32 ° C, it is UL.
(Light wind), L (weak wind) when the temperature exceeds 34 ° C, no limit when the temperature exceeds 36 ° C (medium wind), and 38 ° C, the limit temperature is calculated from the heat exchanger temperature.
【００１７】また設定温度と室温の差が３℃以内であれ
ば、すなわち安定運転時であれば（通常１５分経過）図
２（ｂ）より熱交換器温度より制限風量を計算する。こ
の図２（ｂ）では図２（ａ）より同じ熱交換器温度でも
制限風量の上限は大きくなっており、従って例えば熱交
換器温度が３８℃以上で、立上がり時は、制限なしでも
安定運転時は、３８〜４０℃ではＬ，４０〜４２℃では
Ｍとその風量を制限し、より高い温度の風が吹くように
設定している。If the difference between the set temperature and the room temperature is within 3 ° C., that is, during stable operation (usually 15 minutes elapse), the limiting air volume is calculated from the heat exchanger temperature from FIG. 2 (b). In this FIG. 2 (b), the upper limit of the restricted air volume is larger than that in FIG. 2 (a) even at the same heat exchanger temperature. Therefore, for example, when the heat exchanger temperature is 38 ° C. or higher, at the start-up, stable operation without restriction At that time, L is set at 38 to 40 ° C., M is set at 40 to 42 ° C., and the air volume thereof is limited so that a higher temperature air is blown.
【００１８】次にｓｔｅｐ３の判断で手動運転である場
合を説明する。この場合、先ず室温と設定温度との差を
判断し（ｓｔｅｐ６）、３℃以上（立上がり運転）であ
れば、図３（ａ）に示した熱交換器温度と上限風量の関
係から制限風量を求める。また３℃以内の安定運転の場
合には図３（ｂ）より制限風量を求める。この場合、熱
交換器温度が２８℃以上であれば風量の制限を行わず、
実質的に使用者の設定した風量を優先して行うこととな
る。Next, a case where the operation is manual according to the judgment in step 3 will be described. In this case, first, the difference between the room temperature and the set temperature is judged (step 6), and if it is 3 ° C. or more (rise operation), the restricted air volume is determined from the relationship between the heat exchanger temperature and the upper air volume shown in FIG. Ask. Further, in the case of stable operation within 3 ° C, the restricted air volume is obtained from Fig. 3 (b). In this case, if the heat exchanger temperature is 28 ° C. or higher, the air volume is not limited,
Practically, the air volume set by the user is given priority.
【００１９】次に自動，手動とも制限風量を求めたな
ら、設定風量、設定温度、室温から目標風量を計算する
（ｓｔｅｐ７）。この場合、設定風量は手動では使用者
がリモコンで設定した風量で、自動の場合には、室温と
設定温度の差を求めその差を基に図４に示したグラフよ
り目標風量を求める。Next, when the restricted air volume is obtained both automatically and manually, the target air volume is calculated from the set air volume, the set temperature, and the room temperature (step 7). In this case, the set air volume is the air volume manually set by the user with the remote controller, and in the automatic case, the difference between the room temperature and the set temperature is obtained, and the target air volume is obtained from the graph shown in FIG. 4 based on the difference.
【００２０】次にこの求めた目標風量と上述の制限風量
とを比較判断し（ｓｔｅｐ８）、目標風量より制限風量
が小さければその制限風量を出力風量とし、また目標風
量のほうが小さければ、目標風量を出力風量とする。Next, the determined target air volume and the above-mentioned restricted air volume are compared and judged (step 8), and if the restricted air volume is smaller than the target air volume, the restricted air volume is set as the output air volume, and if the target air volume is smaller, the target air volume. Is the output air volume.
【００２１】尚ｓｔｅｐ１で冷房運転と判断した時は、
運転モードなどから適宜出力風量を計算して求める。When it is determined in step 1 that the cooling operation is performed,
Calculate the output air volume appropriately from the operation mode.
【００２２】このように、風量自動（快適性制御）か手
動（動作指定制御）かを判断し、自動（快適性制御）で
あればタイマーのカウント値と室温−設定温度から運転
開始時か安定時かを判断し、それに応じて出力風量を決
定することで、開始時には、部屋がいちはやく暖まるよ
うに風量を調整し、また安定時は暖かい風が吹くように
することで、快適暖房運転が行える。In this way, it is determined whether the air volume is automatic (comfort control) or manual (operation designation control), and if it is automatic (comfort control), it is stable from the count value of the timer and room temperature-set temperature at the start of operation. By determining the time and determining the output air volume accordingly, the air volume is adjusted so that the room warms up quickly at the start, and warm air is blown when stable, so that comfortable heating operation can be performed. .
【００２３】また手動の場合、自動運転より、同一熱交
換器温度時の制限風量を高くしておくことで、手動時
は、自動運転よりもより速く部屋全体を暖めることがで
きる。Further, in the case of manual operation, by setting the restricted air volume at the same heat exchanger temperature higher than in the automatic operation, the entire room can be warmed faster in the manual operation than in the automatic operation.
【００２４】[0024]
【発明の効果】以上要するに本発明によれば、暖房開始
時には、上限風量を高くし、熱交換器温度がある程度低
くても吹出し空気が冷たくない程度の温度で風量を高く
して吹出すことで部屋をいちはやく設定温度まで高め、
安定運転時は、上限風量を低くして熱交換器温度が高く
ない限り、その風量を押さえることで暖かい空気吹出す
ことで快適な暖房運転が行える。In summary, according to the present invention, at the start of heating, the upper limit air volume is increased, and even if the heat exchanger temperature is low to some extent, the air volume is increased at a temperature at which the air is not cold and is blown out. Quickly raise the room to the set temperature,
During stable operation, unless the upper limit air volume is lowered and the heat exchanger temperature is high, a comfortable heating operation can be performed by blowing out warm air by suppressing the air volume.
【図１】本発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of the present invention.
【図２】本発明において風量自動運転における熱交換器
温度と制限風量の関係を示す図である。FIG. 2 is a diagram showing the relationship between the heat exchanger temperature and the restricted air volume in the air volume automatic operation in the present invention.
【図３】本発明において風量自動運転における熱交換器
温度と制限風量の関係を示す図である。FIG. 3 is a diagram showing the relationship between the heat exchanger temperature and the restricted air volume in the automatic air volume operation in the present invention.
【図４】本発明において目標風量を求めるための図であ
る。FIG. 4 is a diagram for obtaining a target air volume in the present invention.
【図５】本発明のフローチャートを示す図である。FIG. 5 is a diagram showing a flowchart of the present invention.
【図６】従来の熱交換器温度と制限風量の関係を示す図
である。FIG. 6 is a diagram showing a relationship between a conventional heat exchanger temperature and a restricted air flow rate.
１ 室内機 ３ リモコン ５ 制御手段 ６ 室温センサ ７ 熱交センサ １０ フアン 1 Indoor unit 3 Remote control 5 Control means 6 Room temperature sensor 7 Heat exchange sensor 10 Juan
Claims (1)
サと室温を検知する室温センサとを備えた空気調和装置
の制御装置において、暖房運転時に熱交換器温度に対し
てファンの上限風量を設定すると共に運転開始時は上限
風量を高く、かつ安定運転時は上限風量を低く設定する
制御手段を備えたことを特徴とする空気調和装置の制御
装置。1. A control device for an air conditioner comprising an indoor unit including a heat exchange sensor for detecting a heat exchange temperature and a room temperature sensor for detecting a room temperature, wherein an upper limit air volume of a fan with respect to a heat exchanger temperature during a heating operation. And a control means for setting the upper limit air flow rate at the start of operation and lowering the upper limit air flow rate at the time of stable operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03249162A JP3080187B2 (en) | 1991-09-27 | 1991-09-27 | Control device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03249162A JP3080187B2 (en) | 1991-09-27 | 1991-09-27 | Control device for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0587391A true JPH0587391A (en) | 1993-04-06 |
| JP3080187B2 JP3080187B2 (en) | 2000-08-21 |
Family
ID=17188830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03249162A Expired - Fee Related JP3080187B2 (en) | 1991-09-27 | 1991-09-27 | Control device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3080187B2 (en) |
Cited By (13)
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|---|---|---|---|---|
| JP2005274052A (en) * | 2004-03-25 | 2005-10-06 | Mitsubishi Electric Corp | Air-conditioner |
| US7093808B2 (en) | 2002-01-29 | 2006-08-22 | Tokai Rubber Industries, Ltd. | Clamp holder |
| JP2009145008A (en) * | 2007-12-17 | 2009-07-02 | Daikin Ind Ltd | Air conditioner |
| US7761962B2 (en) | 2006-10-12 | 2010-07-27 | Norma Germany Gmbh | Hose clamp |
| JP2011064432A (en) * | 2009-09-18 | 2011-03-31 | Chofu Seisakusho Co Ltd | Fan control method for air temperature control device and the air temperature control device |
| JP2012197980A (en) * | 2011-03-22 | 2012-10-18 | Fujitsu General Ltd | Air conditioner |
| JP2015117881A (en) * | 2013-12-18 | 2015-06-25 | 三菱電機株式会社 | Air conditioner |
| US20190137007A1 (en) * | 2017-11-07 | 2019-05-09 | Piolax, Inc. | Hose clamp |
| WO2019087632A1 (en) * | 2017-10-30 | 2019-05-09 | ダイキン工業株式会社 | Air conditioner |
| US10371407B2 (en) | 2015-10-30 | 2019-08-06 | Daikin Industries, Ltd. | Air conditioning apparatus |
| JP2020020558A (en) * | 2018-08-03 | 2020-02-06 | 三菱重工サーマルシステムズ株式会社 | Air conditioner |
| WO2021053820A1 (en) * | 2019-09-20 | 2021-03-25 | 三菱電機株式会社 | Air conditioner |
| EP4414617A1 (en) * | 2023-02-09 | 2024-08-14 | Daikin Europe N.V. | Air conditioner and method of controlling an air conditioner |
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1991
- 1991-09-27 JP JP03249162A patent/JP3080187B2/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7093808B2 (en) | 2002-01-29 | 2006-08-22 | Tokai Rubber Industries, Ltd. | Clamp holder |
| JP2005274052A (en) * | 2004-03-25 | 2005-10-06 | Mitsubishi Electric Corp | Air-conditioner |
| US7761962B2 (en) | 2006-10-12 | 2010-07-27 | Norma Germany Gmbh | Hose clamp |
| JP2009145008A (en) * | 2007-12-17 | 2009-07-02 | Daikin Ind Ltd | Air conditioner |
| JP2011064432A (en) * | 2009-09-18 | 2011-03-31 | Chofu Seisakusho Co Ltd | Fan control method for air temperature control device and the air temperature control device |
| JP2012197980A (en) * | 2011-03-22 | 2012-10-18 | Fujitsu General Ltd | Air conditioner |
| JP2015117881A (en) * | 2013-12-18 | 2015-06-25 | 三菱電機株式会社 | Air conditioner |
| US10371407B2 (en) | 2015-10-30 | 2019-08-06 | Daikin Industries, Ltd. | Air conditioning apparatus |
| EP4151921A1 (en) | 2015-10-30 | 2023-03-22 | Daikin Industries, Ltd. | Air conditioning apparatus |
| WO2019087632A1 (en) * | 2017-10-30 | 2019-05-09 | ダイキン工業株式会社 | Air conditioner |
| JP2019082277A (en) * | 2017-10-30 | 2019-05-30 | ダイキン工業株式会社 | Air conditioner |
| CN111279136A (en) * | 2017-10-30 | 2020-06-12 | 大金工业株式会社 | Air conditioner |
| US20190137007A1 (en) * | 2017-11-07 | 2019-05-09 | Piolax, Inc. | Hose clamp |
| JP2020020558A (en) * | 2018-08-03 | 2020-02-06 | 三菱重工サーマルシステムズ株式会社 | Air conditioner |
| WO2021053820A1 (en) * | 2019-09-20 | 2021-03-25 | 三菱電機株式会社 | Air conditioner |
| CN114364933A (en) * | 2019-09-20 | 2022-04-15 | 三菱电机株式会社 | Air conditioner |
| CN114364933B (en) * | 2019-09-20 | 2023-09-05 | 三菱电机株式会社 | air conditioner |
| US11959672B2 (en) | 2019-09-20 | 2024-04-16 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
| EP4414617A1 (en) * | 2023-02-09 | 2024-08-14 | Daikin Europe N.V. | Air conditioner and method of controlling an air conditioner |
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|---|---|
| JP3080187B2 (en) | 2000-08-21 |
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