JP2008069991A - Air conditioner - Google Patents

Air conditioner Download PDF

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JP2008069991A
JP2008069991A JP2006246503A JP2006246503A JP2008069991A JP 2008069991 A JP2008069991 A JP 2008069991A JP 2006246503 A JP2006246503 A JP 2006246503A JP 2006246503 A JP2006246503 A JP 2006246503A JP 2008069991 A JP2008069991 A JP 2008069991A
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temperature
air
detecting
outdoor
timer
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Hiroyuki Unita
浩行 宇仁田
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Matsushita Electric Ind Co Ltd
松下電器産業株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To improve energy saving performance and to provide a user with comfortable air-conditioning by performing an operation according to an indoor air conditioning load even after the termination of an off-timer. <P>SOLUTION: This air conditioner comprises a near-human body temperature detecting means 2, an outside air temperature detecting means 3, a suction temperature detecting means 4, a temperature setting means 5, an off-timer means 1, an oxygen supplying means 6 discharging the indoor air outdoors and introducing oxygen extracted from the outdoor air indoors, a first contamination degree detecting means 7 for detecting a contamination degree of indoor air, a second contamination degree detecting means 8 for detecting a contamination degree of outdoor air, and a carbon dioxide concentration detecting means 9 for indoor air. After the operation of the off-timer, a cooling operation, an oxygen supplying operation or stop continuation is performed according to a temperature near a human body, a condition of an outside air temperature, the contamination degrees of the indoor air and the outdoor air, and the concentration of carbon dioxide in the indoor air, so that the cooling operation is additionally performed to allow a user to sleep without discomfort when the air conditioning load is high, and oxygen extracted from the outdoor air is introduced indoors to prevent wasteful energy consumption, when the air conditioning load is low. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は切りタイマ機能を有する空気調和機の快適制御に関するものである。   The present invention relates to comfort control of an air conditioner having a cut-off timer function.
図3は従来の空気調和機の一般的な構成を示す制御ブロック図である。従来、この種の技術は切りタイマが終了しても一定時間強制的に運転し、その後ドライ或いは送風運転を更に一定時間継続する制御としている(例えば、特許文献1参照)。
特開昭55−102852号公報
FIG. 3 is a control block diagram showing a general configuration of a conventional air conditioner. Conventionally, this type of technique controls forcibly for a certain period of time even after the end of the cut-off timer, and then continues the drying or blowing operation for a certain period of time (see, for example, Patent Document 1).
JP-A-55-102852
しかしながら、前記従来の構成では切りタイマ終了後も必ず一定時間タイマ終了前の運転を継続し、更にその後、冷房或いは送風運転を一定時間実施する構成なので、室内の空調負荷が低下し空気調和機の運転が不要になったにも係わらず空気調和機が運転を継続するため、近年話題となっている省エネ性の観点において、又利用者に風を当て続けるため健康上の問題において課題を有していた。   However, in the above-described conventional configuration, the operation before the end of the timer is always continued after the end of the turn-off timer, and thereafter, the cooling or blowing operation is performed for a predetermined time. The air conditioner continues to operate despite the fact that it is no longer necessary to operate, so it has problems in terms of energy conservation, which has become a hot topic in recent years, and health problems in order to keep the user on the wind. It was.
本発明は、前記従来の課題を解決するもので、切りタイマ終了後において屋内外の空調負荷と屋外空気の汚れ度合いによっては追加の冷房または除湿運転を行わずに、屋内の空気を屋外に排出し屋外の空気より抽出した酸素を屋内に導入することで、省エネ性の向上と利用者に快適な空調を提供することを目的とする。   The present invention solves the above-mentioned conventional problems, and after the turn-off timer expires, indoor air is discharged to the outside without performing additional cooling or dehumidifying operation depending on the indoor / outdoor air conditioning load and the degree of contamination of outdoor air. The purpose of this project is to improve energy saving and provide comfortable air conditioning for users by introducing oxygen extracted from outdoor air indoors.
前記従来の課題を解決するために、本発明の空気調和機は、人体付近の温度を検出する人体付近温検出手段と、屋外の温度を検知する外気温度検出手段と、空気調和機の吸込温度を検知する吸込温度検出手段と、空気調和機の制御目標室温を設定する温度設定手段と、
屋内空気の汚れ度合いを検出する第一の汚れ度合い検出手段と、屋外空気の汚れ度合いを検出する第二の汚れ度合い検出手段と、屋内空気の二酸化炭素濃度を検出する二酸化炭素濃度検出手段と、運転時間をタイマ設定値と、比較しタイマ設定値に達した時に空気調和機の運転を停止する切りタイマ手段と、屋内の空気を屋外に排出しかつ屋外の空気より抽出した酸素を屋内に導入する酸素供給手段を備え、切タイマ動作終了後の運転モードとして、人体付近の温度が第1の所定温度より高く、かつ屋外温度が第2の所定温度より低くかつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより低い場合、又は屋内空気の二酸化炭素濃度が高い場合、前記酸素供給手段により屋外の空気より抽出した酸素を屋内に導入し、人体付近の温度が第1の所定温度より高く、かつ屋外温度が第2の所定温度より低くかつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより高く、かつ屋内空気の二酸化炭素濃度が低い場合、又は人体付近の温度が第1の所定温度より高くかつ屋外温度が第2の所定温度より高い場合は、酸素の供給は行わずに冷房又は除湿運転を行う制御手段を設けたものである。
In order to solve the above-described conventional problems, an air conditioner of the present invention includes a human body temperature detecting unit that detects a temperature near the human body, an outside air temperature detecting unit that detects an outdoor temperature, and an intake temperature of the air conditioner. A suction temperature detecting means for detecting air temperature, a temperature setting means for setting a control target room temperature of the air conditioner,
A first dirt degree detecting means for detecting the degree of dirt in indoor air, a second dirt degree detecting means for detecting the degree of dirt in outdoor air, a carbon dioxide concentration detecting means for detecting the carbon dioxide concentration of indoor air, Compares the operating time with the timer set value and turns off the air conditioner when the timer set value is reached, and introduces oxygen extracted from the outdoor air to the indoor air. As an operation mode after the end of the timer operation, the temperature in the vicinity of the human body is higher than the first predetermined temperature, the outdoor temperature is lower than the second predetermined temperature, and the degree of contamination of the outdoor air is indoor air. When the degree of soiling is lower or the carbon dioxide concentration of indoor air is high, oxygen extracted from outdoor air by the oxygen supply means is introduced indoors, and the temperature in the vicinity of the human body is first. When the outdoor temperature is lower than the second predetermined temperature, the degree of dirt in the outdoor air is higher than the degree of dirt in the indoor air, and the carbon dioxide concentration in the indoor air is low, or the temperature near the human body is the first temperature. When the outdoor temperature is higher than the second predetermined temperature and the outdoor temperature is higher than the second predetermined temperature, control means for performing cooling or dehumidifying operation without supplying oxygen is provided.
これによって、空調負荷が大きいまたは屋外空気の汚れ度合いが高い時には追加で運転を行い、利用者が不快感なく就寝できる。また空調負荷が小さい時には余分な運転をせず、温度の高い屋内空気を排出し、屋外より温度が低くかつ屋外の空気より抽出した酸素を屋内に導入することで快適性の向上を図ると共に、無駄なエネルギーの消費を防止することができる。   As a result, when the air-conditioning load is large or the degree of dirt in the outdoor air is high, additional driving is performed, and the user can go to bed without discomfort. In addition, when the air conditioning load is small, it does not operate excessively, exhausts indoor air with high temperature, introduces oxygen extracted from outdoor air that is lower in temperature than outdoor, and improves comfort, Useless energy consumption can be prevented.
本発明の空気調和機は、空調負荷が大きい時には追加で運転を行い、利用者が不快感なく就寝できる。また空調負荷が小さい時には余分な冷房運転をせず、温度の高い屋内空気を排出し、屋外より温度が低くかつ屋外の空気より抽出した酸素を屋内に導入することで快適性の向上を図ると共に、無駄なエネルギーの消費を防止することができる。   The air conditioner of the present invention is additionally operated when the air conditioning load is large, and the user can go to bed without discomfort. In addition, when the air conditioning load is small, it does not perform extra cooling operation, exhausts indoor air with high temperature, introduces oxygen extracted from outdoor air that is cooler than the outdoors and improves comfort. , Can prevent useless energy consumption.
本発明は、人体付近の温度を検出する人体付近温度検出手段と、屋外の温度を検知する外気温度検出手段と、空気調和機の吸込温度を検知する吸込温度検出手段と、室温を設定する温度設定手段と、運転時間をタイマ設定値と比較しタイマ設定値に達した時に空気調和機の運転を停止する切りタイマ手段と、室外の空気を室内に導入する換気手段とを備え、切タイマ動作終了後に、人体付近の温度が第1の所定温度より高く、屋外温度が第2の所定温度より低くかつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより低い場合、又は屋内空気の二酸化炭素濃度が高い場合、換気手段により屋内の空気を屋外に排出して屋外の空気より抽出した酸素を屋内に導入する。また、人体付近の温度が第1の所定温度より高く、かつ屋外温度が第2の所定温度より低く、かつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより高く、かつ屋内空気の二酸化炭素濃度が低い場合、または人体付近の温度が第1の所定温度より高く、屋外温度が第2の所定温度より高い場合は、冷房運転を行うようにしたものである。   The present invention includes a human body temperature detecting means for detecting a temperature in the vicinity of a human body, an outside air temperature detecting means for detecting an outdoor temperature, a suction temperature detecting means for detecting a suction temperature of an air conditioner, and a temperature for setting a room temperature. A setting means, a switching timer means for stopping the operation of the air conditioner when the operation time is compared with the timer setting value and the timer setting value is reached, and a ventilation means for introducing the outdoor air into the room, and the switching timer operation After completion, when the temperature near the human body is higher than the first predetermined temperature, the outdoor temperature is lower than the second predetermined temperature, and the degree of dirt of the outdoor air is lower than the degree of dirt of the indoor air, or the carbon dioxide concentration of the indoor air is If it is high, the indoor air is exhausted outdoors by ventilation means, and oxygen extracted from the outdoor air is introduced indoors. Also, the temperature near the human body is higher than the first predetermined temperature, the outdoor temperature is lower than the second predetermined temperature, the degree of dirt of the outdoor air is higher than the degree of dirt of the indoor air, and the carbon dioxide concentration of the indoor air is When the temperature is low, or when the temperature near the human body is higher than the first predetermined temperature and the outdoor temperature is higher than the second predetermined temperature, the cooling operation is performed.
これによって、空調負荷が大きい時には追加で運転を行い、利用者が不快感なく就寝できる。また空調負荷が小さい時には余分な冷房運転をせず酸素供給運転をすることで、快適性を損なうことなく無駄なエネルギーの消費を防止可能となる。   As a result, when the air conditioning load is large, additional driving is performed, and the user can go to bed without discomfort. In addition, when the air conditioning load is small, wasteful energy consumption can be prevented without impairing comfort by performing oxygen supply operation without excessive cooling operation.
以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.
(実施の形態1)
図1は、本発明の実施の形態1における空気調和機の制御ブロック図を示すものである。図1において、切タイマ手段1はタイマ設定値と運転時間の比較を常に行い、タイマ設定時間に達した場合制御手段10に空気調和機の停止信号を送信する。この停止信号の受信後に、人体付近温検出手段2、外気温度検出手段3、屋内空気の汚れ度合い検出手段7、屋外空気の汚れ度合い検出手段8、屋内空気の二酸化炭素濃度を検出する二酸化炭素濃度検出手段9の各検出値に従って空気調和機の動作を決定する。以上のように構成された空気調和機について、以下その動作、作用を説明する。
(Embodiment 1)
FIG. 1 is a control block diagram of the air conditioner according to Embodiment 1 of the present invention. In FIG. 1, the off timer means 1 always compares the timer set value with the operation time, and transmits a stop signal of the air conditioner to the control means 10 when the timer set time is reached. After receiving this stop signal, the human body temperature detecting means 2, the outside air temperature detecting means 3, the indoor air dirt degree detecting means 7, the outdoor air dirt degree detecting means 8, and the carbon dioxide concentration for detecting the carbon dioxide concentration in the indoor air. The operation of the air conditioner is determined according to each detection value of the detection means 9. About the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
図2は本発明の実施の形態1における空気調和機の動作を示すフローチャートで、ステップ1、ステップ2にて切タイマ時間の判定を実施する。切タイマ時間に達した場合はステップ3でエアコンを停止させる。ステップ4では人体付近温度の検出を行う。この時、人体付近の温度が所定温度T1℃よりも低い場合はエアコンを運転する必要がないため、ステップ6で切りタイマ動作による停止状態を継続したままとする。人体付近の温度が所定温度T1℃より高い場合はステップ5にて外気温度の判定を行う。この時、外気温度が所定温度T2℃より高い場合は、切りタイマ動作後において空調負荷大と判定しステップ7でエアコンを冷房運転させる。また、外気温度が所定温度T2℃より低い場合はステップ8で屋内空気及び屋外空気の汚れ度合いを判定する。屋外空気の汚れ度合いが屋内空気の汚れ度合いより高い場合はステップ9で二酸化炭素濃度を判定し、二酸化炭素濃度が低い場合はステップ7で冷房運転を行い、二酸化炭素濃度が高い場合はステップ10でエアコンを酸素供給運転させる。又屋外空気の汚れ度合いが屋内空気の汚れ度合いより低い場合はステップ10にてエアコンを酸素供給運転させる。これにより、屋外空気の汚れ度合いが屋内空気の汚れ度合いより低い場合、又は屋内の二酸化炭素濃度が高い場合おいては
、屋内の高温空気を屋外に排出し、屋外の低温空気より抽出した酸素を屋内に導入することで室温を下げることができる。
FIG. 2 is a flowchart showing the operation of the air conditioner according to the first embodiment of the present invention. In step 1 and step 2, the cut-off timer time is determined. If the timer time is reached, the air conditioner is stopped in step 3. In step 4, the temperature near the human body is detected. At this time, if the temperature in the vicinity of the human body is lower than the predetermined temperature T1 ° C., it is not necessary to operate the air conditioner. Therefore, in step 6, the stop state by the timer operation is continued. If the temperature in the vicinity of the human body is higher than the predetermined temperature T1 ° C., the outside air temperature is determined in step 5. At this time, if the outside air temperature is higher than the predetermined temperature T2 ° C., it is determined that the air conditioning load is large after the turn-off timer operation, and the air conditioner is cooled in step 7. If the outside air temperature is lower than the predetermined temperature T2 ° C., the degree of contamination of the indoor air and the outdoor air is determined in step 8. If the degree of dirt in the outdoor air is higher than the degree of dirt in the indoor air, the carbon dioxide concentration is determined in step 9; if the carbon dioxide concentration is low, the cooling operation is performed in step 7; The air conditioner is operated with oxygen supply. If the dirt level of the outdoor air is lower than the dirt level of the indoor air, in step 10, the air conditioner is operated to supply oxygen. As a result, when the degree of dirt in outdoor air is lower than the degree of dirt in indoor air or when the concentration of carbon dioxide in the indoor is high, the indoor hot air is discharged outdoors, and the oxygen extracted from the outdoor cold air is discharged. The room temperature can be lowered by installing it indoors.
以上のように、本実施の形態においては切タイマ動作終了後の空気調和機の運転モードとして、人体付近の温度が低い場合には停止状態を継続し、人体付近の温度が高く、外気温度も高い空調負荷状態においては追加で冷房運転をおこなうことで、利用者が不快感なく就寝できる。また人体付近の温度が高く、外気温度が低く、かつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより低い場合、又は屋内の二酸化炭素濃度が高い場合は酸素供給運転を行うことで、特に夏場において切りタイマ動作後のエアコン停止中での個室の壁面、天井からの輻射熱による室温上昇の場合でも冷房運転を行うことなく室温を下げることができ快適な空調を実現でき、また省エネルギーの点からも無駄なエネルギーの消費を防止する等の効果を有するものである。   As described above, in this embodiment, as the operation mode of the air conditioner after the end of the timer operation, when the temperature near the human body is low, the stop state is continued, the temperature near the human body is high, and the outside air temperature is also By performing additional cooling operation in a high air conditioning load state, the user can go to bed without discomfort. Also, if the temperature near the human body is high, the outside air temperature is low, and the degree of dirt in the outdoor air is lower than the degree of dirt in the indoor air, or if the indoor carbon dioxide concentration is high, an oxygen supply operation is performed. Even when the room temperature rises due to radiant heat from the wall and ceiling of the private room when the air conditioner is stopped after the timer is turned off, the room temperature can be lowered without performing cooling operation, and comfortable air conditioning can be realized, and also from the viewpoint of energy saving It has effects such as preventing the consumption of unnecessary energy.
以上のように、本発明にかかる空気調和機は、切りタイマ動作後の運転モードについて空調負荷が大きい時には追加で冷房運転を行い、利用者が不快感なく就寝できる。また空調負荷が小さい時には冷房運転ではなく、酸素供給運転を行うことで、余分な冷房運転をせず無駄なエネルギーの消費を防止できるので、切りタイマ機能を有する空気調和機の快適制御の用途に有用である。   As described above, the air conditioner according to the present invention additionally performs the cooling operation when the air conditioning load is large in the operation mode after the turn-off timer operation, and the user can go to bed without discomfort. Also, when the air-conditioning load is small, oxygen supply operation is performed instead of cooling operation, so that unnecessary energy consumption can be prevented without excessive cooling operation, so it can be used for comfort control of air conditioners with a turn-off timer function. Useful.
本発明の実施の形態1における空気調和機の制御ブロック図Control block diagram of the air conditioner in Embodiment 1 of the present invention 本発明の実施の形態1における空気調和機の動作を示すフローチャートThe flowchart which shows operation | movement of the air conditioner in Embodiment 1 of this invention. 従来の空気調和機の制御ブロック図Control block diagram of conventional air conditioner
符号の説明Explanation of symbols
1 切りタイマ手段
2 人体付近温度検出手段
3 外気温度検出手段
4 吸込み温度検出手段
5 温度設定手段
6 酸素供給手段
7 第一の汚れ度合い検出手段
8 第二の汚れ度合い検出手段
9 二酸化炭素濃度検出手段
10 制御手段
DESCRIPTION OF SYMBOLS 1 Time-off timer means 2 Human body vicinity temperature detection means 3 Outside air temperature detection means 4 Suction temperature detection means 5 Temperature setting means 6 Oxygen supply means 7 First dirt degree detection means 8 Second dirt degree detection means 9 Carbon dioxide concentration detection means 10 Control means

Claims (1)

  1. 人体付近の温度を検出する人体付近温検出手段と、屋外の温度を検知する外気温度検出手段と、空気調和機の吸込温度を検知する吸込温度検出手段と、空気調和機の制御目標室温を設定する温度設定手段と、屋内空気の汚れ度合いを検出する第一の汚れ度合い検出手段と、屋外空気の汚れ度合いを検出する第二の汚れ度合い検出手段と、屋内空気の二酸化炭素濃度を検出する二酸化炭素濃度検出手段と、運転時間をタイマ設定値と比較しタイマ設定値に達した時に空気調和機の運転を停止する切りタイマ手段と、屋内の空気を屋外に排出しかつ屋外の空気より抽出した酸素を屋内に導入する酸素供給手段を備え、切タイマ動作終了後の運転モードとして、人体付近の温度が第1の所定温度より高く、かつ屋外温度が第2の所定温度より低くかつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより低い場合、又は屋内空気の二酸化炭素濃度が高い場合、前記酸素供給手段により屋外の空気より抽出した酸素を屋内に導入し、人体付近の温度が第1の所定温度より高く、かつ屋外温度が第2の所定温度より低くかつ屋外空気の汚れ度合いが屋内空気の汚れ度合いより高く、かつ屋内空気の二酸化炭素濃度が低い場合、又は人体付近の温度が第1の所定温度より高くかつ屋外温度が第2の所定温度より高い場合は、酸素の供給は行わずに冷房又は除湿運転を行う制御手段を有することを特徴とする空気調和機。 A human body temperature detecting means for detecting the temperature near the human body, an outside air temperature detecting means for detecting the outdoor temperature, a suction temperature detecting means for detecting the suction temperature of the air conditioner, and a control target room temperature of the air conditioner are set. Temperature setting means, a first dirt degree detecting means for detecting the degree of dirt in indoor air, a second dirt degree detecting means for detecting the degree of dirt in outdoor air, and a carbon dioxide concentration for detecting the carbon dioxide concentration in indoor air Carbon concentration detection means, turn-off timer means that stops the operation of the air conditioner when the timer setting value is reached by comparing the operation time with the timer setting value, and the indoor air is discharged to the outside and extracted from the outdoor air An oxygen supply means for introducing oxygen indoors; whether the temperature near the human body is higher than a first predetermined temperature and the outdoor temperature is lower than a second predetermined temperature as an operation mode after the end of the timer operation; When the degree of dirt in the outdoor air is lower than the degree of dirt in the indoor air, or when the carbon dioxide concentration in the indoor air is high, oxygen extracted from the outdoor air is introduced indoors by the oxygen supply means, and the temperature near the human body is increased. When the outdoor temperature is lower than the second predetermined temperature, the outdoor air is more dirty than the indoor air, and the indoor air has a low carbon dioxide concentration, or the temperature near the human body is An air conditioner having control means for performing cooling or dehumidifying operation without supplying oxygen when the outdoor temperature is higher than the first predetermined temperature and higher than the second predetermined temperature.
JP2006246503A 2006-09-12 2006-09-12 Air conditioner Pending JP2008069991A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192567A (en) * 2010-03-05 2011-09-21 方芳 Energy-saving control system for central air conditioner
CN101581491B (en) * 2009-06-12 2012-06-13 重庆贻科科技有限公司 Load control energy-saving system of central air conditioning system
CN103751925A (en) * 2014-02-21 2014-04-30 国家康复辅具研究中心 Environment safety monitoring and emergency processing device
CN104456829A (en) * 2014-10-29 2015-03-25 无锡悟莘科技有限公司 Self-adaptive control method for air conditioner on basis of human detection
CN104566693A (en) * 2014-12-29 2015-04-29 浙江信立实业有限公司 Central air-conditioning air purification system and method
CN107490157A (en) * 2017-09-30 2017-12-19 广东美的制冷设备有限公司 Air conditioner and its control method and device
CN107543291A (en) * 2017-09-30 2018-01-05 广东美的制冷设备有限公司 Air conditioner and its control method and device
CN108302735A (en) * 2016-09-30 2018-07-20 日本电气株式会社 Device and method for controlling air cleaning system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581491B (en) * 2009-06-12 2012-06-13 重庆贻科科技有限公司 Load control energy-saving system of central air conditioning system
CN102192567A (en) * 2010-03-05 2011-09-21 方芳 Energy-saving control system for central air conditioner
CN103751925A (en) * 2014-02-21 2014-04-30 国家康复辅具研究中心 Environment safety monitoring and emergency processing device
CN104456829A (en) * 2014-10-29 2015-03-25 无锡悟莘科技有限公司 Self-adaptive control method for air conditioner on basis of human detection
CN104566693A (en) * 2014-12-29 2015-04-29 浙江信立实业有限公司 Central air-conditioning air purification system and method
CN108302735A (en) * 2016-09-30 2018-07-20 日本电气株式会社 Device and method for controlling air cleaning system
CN107490157A (en) * 2017-09-30 2017-12-19 广东美的制冷设备有限公司 Air conditioner and its control method and device
CN107543291A (en) * 2017-09-30 2018-01-05 广东美的制冷设备有限公司 Air conditioner and its control method and device

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