JPS63282443A - Air conditioner - Google Patents

Air conditioner

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Publication number
JPS63282443A
JPS63282443A JP62116115A JP11611587A JPS63282443A JP S63282443 A JPS63282443 A JP S63282443A JP 62116115 A JP62116115 A JP 62116115A JP 11611587 A JP11611587 A JP 11611587A JP S63282443 A JPS63282443 A JP S63282443A
Authority
JP
Japan
Prior art keywords
capacity
heating
cooling
temperature
temp
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
Application number
JP62116115A
Other languages
Japanese (ja)
Inventor
Michio Otsubo
道夫 大坪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62116115A priority Critical patent/JPS63282443A/en
Publication of JPS63282443A publication Critical patent/JPS63282443A/en
Pending legal-status Critical Current

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  • Air Conditioning Control Device (AREA)

Abstract

PURPOSE:To maximize the capacity of a device for generating space cooling and heating capacity until room temp. reaches a set upper limit temp. and once after the room temp. reaches the said temp. low revolving speed operation obtaining the maximum efficiency is carried out by installing a device for computing the space cooling and heating capacity equipped with a timer means and determining the space cooling and heating capacity by the output from a temp. detecting means. CONSTITUTION:First, a set upper limit temp. (A) is established. Then, suction air temp. (Tr1) discovered by a temp. detector 2 is fed, and the capacity of an air conditioner is changed by a device 4 for changing space cooling and heating capacity and a compressor 5 is operated at its maximum revolving speed by a device 1 for generating the space cooling and heating capacity. Then, the temp. Tr1 is compared with the temp. A and when the temp. Tr1>=A, the temp. Tr1 is memorized and the capacity is changed by a device 4 for changing the space cooling and heating capacity and the revolving speed of the compressor 5 is reduced to the minimum value by the device 1. After a fixed time preset by a timer 11 has elapsed, suction air temp. (Tr2) is detected and compared with the said temp. Tr1. When Tr2>Tr1, the operation of the compressor 5 is stopped. Inversely, when Tr2<Tr1, the compressor 5 is operated at its minimum revolving speed.

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、特に、居イ1者にとって常に
快適な環境を提供する空気調和機に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air conditioner, and particularly to an air conditioner that provides a comfortable environment for a person at all times.

(従来の技術〕 第4し1は、例えば、三菱r、?i、機株式会社製イン
バータルームエアコン(商品名霧ケ峰)のカタログ(昭
和62年2月作成)に示されたような従来の空気調和機
の4n号系統ブロック図である。1は冷暖房能力発生装
置で、回転速度を可変し得る圧縮機5などから構成され
ている。2は、吸込み空気温度(室温)検知器、6は、
設定温度等を設定する手動人力部で、共に、冷暖房能力
演算手段3の入力回路7に接続されている。この演算手
段3は、中央演算処理装置8、記憶装置9、入力回路7
、出力回路10より構成されており、温度検知器2、手
動人力部6からの人力データによって能力を算出し、出
力回路10から冷暖房能力可変装置4へ発生すべき能力
値を指示する。
(Prior art) Fourth and first, for example, the conventional air This is a block diagram of the No. 4n system of the harmonizer. 1 is a heating and cooling capacity generator, which is composed of a compressor 5 whose rotation speed can be varied, etc. 2 is a suction air temperature (room temperature) detector; 6 is a
This is a manual power section for setting the set temperature, etc., and both are connected to the input circuit 7 of the heating and cooling capacity calculation means 3. This calculation means 3 includes a central processing unit 8, a storage device 9, and an input circuit 7.
, and an output circuit 10, the capacity is calculated based on human power data from the temperature detector 2 and the manual human power section 6, and the output circuit 10 instructs the heating and cooling capacity variable device 4 to generate a capacity value.

次に、上記空気調和機の動作について、第5図の動作シ
ーケンスフローチャートを用いて、暖房運転の場合につ
いて説明する。
Next, the operation of the air conditioner will be described in the case of heating operation using the operation sequence flowchart shown in FIG.

不図示の電源スィッチがオンすると、第5図に示すフロ
ーチャートがスタートする。ステップSlで所定の設定
温度Tsが設定される。ステップS2で温度検知器2か
ら入力された室温(=吸込み空気温度)Trが入力され
る0次にステップS3で設定温度Tsと吸込み空気温度
Trから温度差(dT)が算出され、ステップS4で吸
込み空気温度Tr設定温度Tsを越えていなければ、ス
テップS5で温度差(dT)より、室温が設定温度に近
付きつつある時、徐々に暖房能力を低下させ、室温Tr
が設定温度Tsを中心とする一定範囲より低くなったと
き、暖房能力を上昇させるように、暖房能力を算出する
When a power switch (not shown) is turned on, the flowchart shown in FIG. 5 starts. A predetermined set temperature Ts is set in step Sl. In step S2, the room temperature (=suction air temperature) Tr input from the temperature sensor 2 is input.Next, in step S3, the temperature difference (dT) is calculated from the set temperature Ts and the suction air temperature Tr, and in step S4 If the suction air temperature Tr does not exceed the set temperature Ts, when the room temperature is approaching the set temperature based on the temperature difference (dT) in step S5, the heating capacity is gradually reduced and the room temperature Tr is
When the temperature becomes lower than a certain range centered around the set temperature Ts, the heating capacity is calculated so as to increase the heating capacity.

算出された暖房能力に従い、ステップS6で冷暖房能力
可変装置4により走力の変更を行い、ステップS7で圧
縮機5の回転速度を制御し、冷暖房能力発生装置1の能
力を変更するよう作動する。
According to the calculated heating capacity, the running power is changed by the heating and cooling capacity variable device 4 in step S6, and the rotational speed of the compressor 5 is controlled in step S7, so that the capacity of the heating and cooling capacity generating device 1 is changed.

しかし、ステップS4において室fAT rが設定温度
Tsより高ければ、圧縮機5をオフし、暖房運転を停止
する。そして再び室温Trが設定温度Tsをド回ったと
きに、暖房運転を再開する。このように室温Trがほぼ
設定温度Tsの近くに維持されるようにコントロールが
行われる。
However, if the room fATr is higher than the set temperature Ts in step S4, the compressor 5 is turned off and the heating operation is stopped. Then, when the room temperature Tr falls below the set temperature Ts again, the heating operation is restarted. In this way, control is performed so that the room temperature Tr is maintained approximately near the set temperature Ts.

(発明が解決しようとする問題点〕 第6図に、重連従来例で暖房運転を行った場合の暖房能
力の制御特性図を示す。
(Problems to be Solved by the Invention) FIG. 6 shows a control characteristic diagram of heating capacity when heating operation is performed in a conventional example of multiplexed systems.

従来空気調和機は、常に室温Trを検知しながらその室
温Trと設定温度Tsとの差により、差が大きければ冷
暖房能力を大きくし、差が小さければ冷房暖房能力を小
さくするというように、冷暖房能力を見出し、冷暖房能
力可変装置4により能力を変更することにより、圧縮機
5の回転速度を変化させながら、室fATrが常に設定
温度Tsの近辺に保たれるように冷暖房運転を行ってい
るため、一般的に立上がりが遅くなる。
Conventionally, air conditioners constantly detect the room temperature Tr and determine the difference between the room temperature Tr and the set temperature Ts.If the difference is large, the cooling and heating capacity is increased, and if the difference is small, the cooling and heating capacity is decreased. By finding the capacity and changing the capacity by the cooling/heating capacity variable device 4, the cooling/heating operation is performed so that the room fATr is always maintained near the set temperature Ts while changing the rotational speed of the compressor 5. , the start-up is generally slower.

また、例えば暖房運転の場合、室温T「が設定温度Ts
より高くなると、その時の暖房能力にかかわらず圧縮機
5をオフして、暖房運転を停止する。しかしながら、一
度冷暖房運転を停止すると、再び冷暖房運転を開始する
までに時間がかかるという機械的な制約があるため、上
記のような制御の場合、第6図に示すように、圧縮機5
のオンオフによる室内の温度変化が大きくなり、図中の
斜線部分では居住者は寒さを感じる。同様に、冷房運転
に関しても、上記に準するような現象を生ずる。
In addition, for example, in the case of heating operation, the room temperature T" is the set temperature Ts
When the temperature becomes higher, the compressor 5 is turned off and the heating operation is stopped regardless of the heating capacity at that time. However, there is a mechanical constraint that once the cooling/heating operation is stopped, it takes time to restart the cooling/heating operation, so in the case of the above control, the compressor 5
The temperature change inside the room due to turning on and off becomes large, and residents feel cold in the shaded area in the diagram. Similarly, a phenomenon similar to the above occurs also in cooling operation.

また、再起動時に比較的大きな冷暖房走力が必要であり
、省エネルギー的にも機器の寿命上からも圧11i!f
i5のオンオフは好ましくないという問題点があった。
In addition, a relatively large amount of heating and cooling power is required when restarting, and the pressure is 11i! f
There was a problem that turning the i5 on and off was not desirable.

1 この発明は、以上のような従来例を解決するためになさ
れたもので、空気調整機を起動したとき、設定上限温度
に到達するまでは冷暖房能力発生装置の能力を最大とし
、いったん上記温度に達すると、最大効率を得る低回転
運転となし得る空気調和機の提供を目的としている。
1 This invention was made to solve the above-mentioned conventional problems, and when the air conditioner is started, the capacity of the heating and cooling capacity generator is maximized until the set upper limit temperature is reached, and once the above temperature is The aim is to provide an air conditioner that can be operated at low rotation speeds to achieve maximum efficiency.

〔問題点を解決するための手段〕[Means for solving problems]

このため、この発明においては、冷暖房能力を可変し得
る冷暖房能力発生装着と吸込み温度を検知するための温
度検出手段と、該温度検出手段の出力により冷暖房能力
を決定するタイマ手段を備えた冷暖房能力演算手段とを
備え、該演算手段の出力により、冷暖房能力可変手段を
用いて別記冷暖房能力発生装置の使方を変化させるよう
構成することにより、前記目的を達成しようとするもの
である。
Therefore, in the present invention, the heating and cooling capacity is equipped with a heating and cooling capacity generation device that can vary the heating and cooling capacity, a temperature detection means for detecting the suction temperature, and a timer means that determines the heating and cooling capacity based on the output of the temperature detection means. The above-mentioned object is achieved by comprising a calculating means, and using an output of the calculating means to change the usage of the cooling/heating capacity generator using the cooling/heating capacity variable means.

〔作用〕[Effect]

以上のような構成により、この空気調和機は。 This air conditioner has the above configuration.

これを起動したとき、室温が設定上限温度に達するまで
は、冷暖房能力発生装置は最大能力で運転され、いった
ん該温度に達すると低回転速度の最大効率条件で経済運
転を行うことができる。
When this is activated, the heating and cooling capacity generating device is operated at maximum capacity until the room temperature reaches the set upper limit temperature, and once the temperature reaches the set temperature, economical operation can be performed at the maximum efficiency condition of low rotation speed.

〔実施例〕〔Example〕

以下に、この発明を実施例に基づいて説明する。 The present invention will be explained below based on examples.

(構成) 第1図は、この発明による冷暖房機の一実施例を示す信
号系統ブロック図である。
(Structure) FIG. 1 is a signal system block diagram showing an embodiment of the air conditioner/heater according to the present invention.

図において、1は、冷暖房能力を発生し、そのf先方を
可変し得る冷暖房能力発生装置、2は吸込み空気温度(
室温)検知器、3は冷暖房能力演算手段、4は冷暖房使
方可変手段、5は、回転速度を変化できる圧縮機、6は
手動入力部である。冷暖房能力演算手段3の内部には、
入力回路7、中央処理袋m8、記憶装置9、出力回路1
oよりなり、所定経過時間を設定し得るタイマ11を備
えている。入力回路7には、設定温度等を設定する手動
入力部6と温度検出器2により検知された吸込み空気温
度入力される。出力回路10からの出力により、冷暖房
能力可変装置4は冷暖房能力発生装置l内の圧llil
機5の回転速度を変化させて、冷暖房能力発生装置1の
能力を変化させる。
In the figure, 1 is a heating and cooling capacity generating device that generates heating and cooling capacity and can vary its f destination, and 2 is a suction air temperature (
3 is a cooling/heating capacity calculating means, 4 is a heating/cooling usage variable means, 5 is a compressor whose rotation speed can be changed, and 6 is a manual input section. Inside the heating and cooling capacity calculation means 3,
Input circuit 7, central processing bag m8, storage device 9, output circuit 1
o, and includes a timer 11 that can set a predetermined elapsed time. The input circuit 7 receives input of the manual input section 6 for setting the set temperature, etc., and the intake air temperature detected by the temperature detector 2. Based on the output from the output circuit 10, the heating and cooling capacity variable device 4 adjusts the pressure within the heating and cooling capacity generating device l.
By changing the rotational speed of the machine 5, the capacity of the heating and cooling capacity generating device 1 is changed.

(動作) 次に、上記実施例の動作を、暖房運転の場合について、
第2,3図に基づいて説明する。第2図は、冷暖房能力
演算手段3に記憶された制御アルゴリズムの動作シーケ
ンスフローチャート、第3 i:g+は、その制御特性
図である。
(Operation) Next, regarding the operation of the above embodiment in heating operation,
This will be explained based on FIGS. 2 and 3. FIG. 2 is an operation sequence flowchart of the control algorithm stored in the cooling/heating capacity calculation means 3, and 3rd i:g+ is its control characteristic diagram.

まず電源をオンすると、第2図に示すフローチャートが
スタートする。ステップS1で設定温度Aが設定される
。ステップS2で温度検知器2により検出された吸込み
空気温度Ttlが入力され、ステップS3で冷暖房能力
可変装置4で能力を変更し、ステップS4で暖房能力発
生装置1により圧縮a15の回転速度を最大にして運転
する。
First, when the power is turned on, the flowchart shown in FIG. 2 starts. A set temperature A is set in step S1. In step S2, the intake air temperature Ttl detected by the temperature detector 2 is input, in step S3 the capacity is changed by the cooling/heating capacity variable device 4, and in step S4, the rotation speed of the compression a15 is maximized by the heating capacity generating device 1. drive.

ステップS5で吸込み空気温度Triと設定上限温度A
との比較を行い、吸込み空気温度Triが設定上限温度
Aより低ければステップS5に戻り、吸込み空気Trが
設定」:限温度Aに達1ノ、これより高くなればステッ
プS6でTriをメモリに記憶し、ステップS7で冷暖
房能力可変装置4で能力を変更し、暖房能力発生装置1
により圧縮R5の回転速度を最少値に低下させる。
In step S5, the suction air temperature Tri and the set upper limit temperature A are
If the suction air temperature Tri is lower than the set upper limit temperature A, the process returns to step S5, and the suction air temperature Tr reaches the set limit temperature A. If it becomes higher than this, Tri is stored in the memory in step S6. The capacity is changed by the heating and cooling capacity variable device 4 in step S7, and the capacity is changed by the heating capacity generating device 1.
The rotational speed of compression R5 is reduced to the minimum value.

)めターrで11で設定された所定時間経過後(ステッ
プS9)、ステップSIOで温度センサ2により、吸込
み空気温度Tr2を検知し、ステー、ブSllで、所定
時間前の吸込み空気温度Triと比較する。このときT
r2がTRIより高ければ、ステップ312において、
暖房能力発生装置により、圧縮機5の運転を停止する。
) After the predetermined time set in step 11 with meter r has elapsed (step S9), the temperature sensor 2 detects the suction air temperature Tr2 in step SIO, and the stay and block Sll compare it with the suction air temperature Tri of the predetermined time before. compare. At this time T
If r2 is higher than TRI, in step 312;
The operation of the compressor 5 is stopped by the heating capacity generating device.

逆にTr2がTri以下であれば、ステップ313にお
いて暖房能力発生装置は、そのまま圧縮機5の回転速度
を最低にした状態で運転を!!続する。
On the other hand, if Tr2 is less than or equal to Tri, in step 313, the heating capacity generating device continues to operate with the rotational speed of the compressor 5 set to the minimum! ! Continue.

第3図は、本実施例に基づき暖房運転をさせた場合の制
御特性図であり、設定温度を目標に暖房運転が行われる
が、暖房能力発生装置lの能力が最大となっているので
立上がり時間が短くなり、設定上限温度Aに達した後、
吸込み空気の温度変化を検知して、温度がさらに上昇し
ていれば暖房能力発生装置1はオフし、吸込み空気が低
下していれば、効率の良い低い回転速度での運転を行う
ことになる。
FIG. 3 is a control characteristic diagram when heating operation is performed based on this embodiment.Heating operation is performed with the set temperature as the target, but since the heating capacity generating device l is at its maximum capacity, After the time becomes shorter and the set upper limit temperature A is reached,
If a change in the temperature of the intake air is detected and the temperature has further increased, the heating capacity generator 1 will be turned off, and if the intake air has decreased, it will operate at a more efficient low rotational speed. .

以上は、暖房運転の場合について述べたが、冷房運転の
場合も同様で、上記に準するため、詳細説明は省略する
The above description has been made regarding the heating operation, but the same applies to the cooling operation and the same applies to the above, so a detailed explanation will be omitted.

〔発明の効果〕〔Effect of the invention〕

以上、説明したように、この発明によれば、空気調和機
を起動した場合、室温が設定上限温度に到達するまでは
冷暖房能力発生装置の能力を最大とし、一時も早く居住
者に快適な温度環境を提供することができ、いったん設
定上限温度に到達した後は、効率を最大とする低回転速
度の運転により経済的な運転を実現することができるよ
うになった。
As explained above, according to the present invention, when the air conditioner is started, the capacity of the heating and cooling capacity generator is maximized until the room temperature reaches the set upper limit temperature, so that the temperature is comfortable for the occupants as soon as possible. Once the set upper limit temperature has been reached, economical operation can be achieved by operating at a low rotational speed to maximize efficiency.

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの発明による空気調和機の一実施例を示す信
号系統ブロー2り図、第2図は、第1図の動作を示すシ
ーケンスフローチャート、第3図は、その制御特性図、
第4図は、従来の空気調和機の信号系統ブロック図、第
5図は、第4図の動作を示すシーケンスフローチャート
、第6図は、その制御特性図である。各図において、同
一符号は、同一または相当構成要素を示す。 1・・・冷暖房能力発生装置 2・・・温度検知器 3・・・冷暖房能力演算手段 4・・・冷暖房能力発生装置 5・・・圧縮機 11・・・タイマ
FIG. 1 is a signal system blow diagram showing an embodiment of the air conditioner according to the present invention, FIG. 2 is a sequence flowchart showing the operation of FIG. 1, and FIG. 3 is a control characteristic diagram thereof.
FIG. 4 is a signal system block diagram of a conventional air conditioner, FIG. 5 is a sequence flowchart showing the operation of FIG. 4, and FIG. 6 is a control characteristic diagram thereof. In each figure, the same reference numerals indicate the same or equivalent components. 1... Cooling and heating capacity generating device 2... Temperature detector 3... Cooling and heating capacity calculation means 4... Cooling and heating capacity generating device 5... Compressor 11... Timer

Claims (1)

【特許請求の範囲】 1)冷暖房能力を発生し、能力を可変し得る冷暖房能力
発生装置と、吸込み空気温度を検知するための温度検出
手段と、該温度検出手段の出力により、冷暖房能力を決
定するためのタイマ手段を備えた冷暖房能力演算手段と
、該冷暖房能力演算手段からの出力により前記冷暖房能
力発生装置の圧縮機の回転速度を変化させて、該冷暖房
能力発生装置の能力を変化させるよう構成した冷暖房能
力可変手段とを備えたことを特徴とする空気調和機。 2)前記冷暖房能力演算手段は、暖房立上がり運転時に
、設定上限温度まで吸込み空気温度が上昇するまでは、
前記冷暖房能力可変手段により前記圧縮機の回転速度を
最大として暖房能力発生装置を最大能力で運転し、前記
設定上限温度に到達した後に、該冷暖房能力可変手段に
より前記圧縮機の回転速度を最低として前記暖房能力発
生装置を最低能力に低下させ、所定時間後、前記吸込み
空気温度が上昇していれば空気調和機をオフし、該温度
が不変ないし下降していればそのままの能力で空気調和
機のオンを継続するよう構成したものであることを特徴
とした特許請求の範囲第 1項記載の空気調和機。 3)前記冷暖房能力演算手段は、冷房立上がり運転時に
、設定下限温度まで吸込み空気温度が下降するまでは、
前記冷暖房能力可変手段により前記圧縮機の回転速度を
最大として冷房能力発生装置の能力を最大能力で運転し
、前記設定下限温度に到達した後に、冷暖房能力可変手
段により前記圧縮機の回転速度を最低として前記冷房能
力発生装置を最低能力に低下させ、所定時間後、前記吸
込み空気温度が下降していれば空気調和機をオフし、該
温度が不変ないし上昇していればそのままの能力で空気
調和機のオンを継続するよう構成したものであることを
特徴とする特許請求の範囲第1項記載の空気調和機。
[Scope of Claims] 1) A heating and cooling capacity generating device that generates heating and cooling capacity and can vary the capacity, a temperature detection means for detecting intake air temperature, and an output of the temperature detection means to determine the heating and cooling capacity. cooling/heating capacity calculation means equipped with a timer means for changing the rotational speed of a compressor of the cooling/heating capacity generation device based on the output from the cooling/heating capacity calculation means, thereby changing the capacity of the heating and cooling capacity generation device. An air conditioner characterized by comprising: a cooling/heating capacity variable means configured as shown in FIG. 2) The heating and cooling capacity calculation means calculates, during heating start-up operation, until the intake air temperature rises to the set upper limit temperature.
The heating and cooling capacity variable means operates the heating capacity generating device at maximum capacity by setting the rotational speed of the compressor to the maximum, and after reaching the set upper limit temperature, the heating and cooling capacity variable means sets the rotational speed of the compressor to the minimum. The heating capacity generating device is lowered to the minimum capacity, and after a predetermined period of time, if the temperature of the intake air is rising, the air conditioner is turned off, and if the temperature remains unchanged or is falling, the air conditioner is operated with the same capacity. 2. The air conditioner according to claim 1, wherein the air conditioner is configured to continue to be turned on. 3) The cooling/heating capacity calculation means, during cooling start-up operation, until the intake air temperature falls to the set lower limit temperature,
The cooling/heating capacity variable means operates the cooling capacity generating device at maximum capacity by setting the rotational speed of the compressor to the maximum, and after reaching the set lower limit temperature, the cooling/heating capacity variable means reduces the rotational speed of the compressor to the minimum. After a predetermined period of time, if the intake air temperature has decreased, the air conditioner is turned off, and if the temperature remains unchanged or has increased, the air conditioner continues to operate at the same capacity. 2. The air conditioner according to claim 1, wherein the air conditioner is configured so that the air conditioner continues to be turned on.
JP62116115A 1987-05-13 1987-05-13 Air conditioner Pending JPS63282443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62116115A JPS63282443A (en) 1987-05-13 1987-05-13 Air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62116115A JPS63282443A (en) 1987-05-13 1987-05-13 Air conditioner

Publications (1)

Publication Number Publication Date
JPS63282443A true JPS63282443A (en) 1988-11-18

Family

ID=14679063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62116115A Pending JPS63282443A (en) 1987-05-13 1987-05-13 Air conditioner

Country Status (1)

Country Link
JP (1) JPS63282443A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2876384A1 (en) 2013-11-21 2015-05-27 Mitsubishi Electric Corporation Air-conditioning apparatus
WO2016132466A1 (en) * 2015-02-18 2016-08-25 三菱電機株式会社 Air conditioning system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2876384A1 (en) 2013-11-21 2015-05-27 Mitsubishi Electric Corporation Air-conditioning apparatus
US9719709B2 (en) 2013-11-21 2017-08-01 Mitsubishi Electric Corporation Air-conditioning apparatus with thermo-off postponement control
WO2016132466A1 (en) * 2015-02-18 2016-08-25 三菱電機株式会社 Air conditioning system
JPWO2016132466A1 (en) * 2015-02-18 2017-08-03 三菱電機株式会社 Air conditioning system

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