JPS5927145A - Air conditioner - Google Patents

Air conditioner

Info

Publication number
JPS5927145A
JPS5927145A JP57135414A JP13541482A JPS5927145A JP S5927145 A JPS5927145 A JP S5927145A JP 57135414 A JP57135414 A JP 57135414A JP 13541482 A JP13541482 A JP 13541482A JP S5927145 A JPS5927145 A JP S5927145A
Authority
JP
Japan
Prior art keywords
compressor
temperature
indoor
capacity
room temperature
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
JP57135414A
Other languages
Japanese (ja)
Inventor
Kenji Umetsu
健児 梅津
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP57135414A priority Critical patent/JPS5927145A/en
Publication of JPS5927145A publication Critical patent/JPS5927145A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/87Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/02Compressor control
    • F25B2600/021Inverters therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

PURPOSE:To obtain the most proper cooling and dehumidifying capacities in accordance with a condition by a method wherein the ON, OFF control of the operation of a compressor is effected by comparing a room temperature with a set room temperature while the capacity of the compressor is varied in accordance with the temperature of an evaporator or a humidity in a room. CONSTITUTION:The room temperature is detected by a room temperature sensor 11, the humidity in the room is detected by an indoor humidity sensor 13 and, further, the temperature of the evaporator is detected by a heat exchanging temperature sensor 5. When the room temperature is higher than the set room temperature, a switch 12 is put ON and a compressor motor 1M is operated. That means the operation of the compressor 1 is started. Thereafter, when a refrigerating cycle has almost been stabilized, a mian control unit 10 compares the detected temperature of the evaporator with a latent heat ratio corresponding to a desired humidity, decides the setting of the revolving number of the compressor motor 1M by said comparation and outputs a revolving number setting command A. Thus, the revolving number of the compressor motor 1M is changed and the capacity of the compressor 1 is set into a condition wherein the sufficient dehumidifying capacity may be obtained.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、冷房運転時における除湿効率の向上を計る
ようI(シた空気調和機に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an air conditioner designed to improve dehumidification efficiency during cooling operation.

〔発明の技術的背景とその問題点〕[Technical background of the invention and its problems]

一般に、日本の気候はむし暑いことが多く、このため冷
房効率よりもむしろ除湿効率の良好な空気調和機が要求
される。
In general, Japan's climate is often hot and humid, and therefore air conditioners that have good dehumidifying efficiency rather than cooling efficiency are required.

また、冷房負荷は冷却負荷と潜熱負荷(除湿負荷)の和
であり、その冷房負荷の情況に応じて冷凍能力を変えら
れることが望ましい。
Furthermore, the cooling load is the sum of the cooling load and the latent heat load (dehumidification load), and it is desirable to be able to change the refrigerating capacity depending on the situation of the cooling load.

しかしながら、定能力圧縮機を有する空気調和機では冷
凍能力(冷却能力と除湿能力)を負荷に合わせて変える
ことができず、このため室内温度を重視した運転を行な
うとむし暑さを感じ、室内湿度を重視した運転を行なう
と冷え過ぎてしまうという欠点がある。
However, air conditioners with constant capacity compressors cannot change their refrigeration capacity (cooling capacity and dehumidification capacity) according to the load, so if you operate with an emphasis on indoor temperature, you will feel hot inside. Driving with emphasis on humidity has the disadvantage that it becomes too cold.

〔発明の目的〕[Purpose of the invention]

この発明は上記のような事情に鑑みてなされたもので、
その目的とするところは、情況に応じた最適な冷房並び
に除湿能力を得ることができ、これにより常に室内を良
好な温・湿度状態に維持して快適性の向上を計ることが
できる空気調和機を提供することにある。
This invention was made in view of the above circumstances,
The purpose of this is to create an air conditioner that can obtain optimal cooling and dehumidification capabilities depending on the situation, thereby constantly maintaining indoor temperature and humidity conditions to improve comfort. Our goal is to provide the following.

〔発明の概要〕[Summary of the invention]

この発明は、能力可変圧縮機を採用し、室内温度と室内
設定温度との比較により圧縮機の運転をオン、オフ制御
するとともに、蒸発器温度または室内湿度に応じて圧縮
機の能力を変化せしめるものである。
This invention employs a variable capacity compressor, controls the operation of the compressor on and off by comparing the indoor temperature and the indoor set temperature, and changes the capacity of the compressor according to the evaporator temperature or indoor humidity. It is something.

〔発明の実施例〕[Embodiments of the invention]

以下、この発明の一実施例について図面を参照して説明
する。
An embodiment of the present invention will be described below with reference to the drawings.

第1図に示すように、圧縮機1.室外熱交換器2.減圧
装置たとえば膨張弁3.および室内熱交換器4などが順
次連通され、冷凍サイクルが構成される。ここで、膨張
弁3は、低圧側配管に取付けられた感熱管3aの感知温
度に応じて開度つまり膨張度が変化するものである。し
かして、室内熱交換器4には熱交温度センサ5が取付け
られる。また、室外熱交換器2の近傍には室外ファン6
が取付けられ、室内熱交換器4の近傍には室内ファン7
が取付けられる。
As shown in FIG. 1, a compressor 1. Outdoor heat exchanger 2. Pressure reducing device such as an expansion valve3. and the indoor heat exchanger 4 are sequentially connected to form a refrigeration cycle. Here, the degree of opening, that is, the degree of expansion of the expansion valve 3 changes depending on the temperature sensed by a heat-sensitive tube 3a attached to the low-pressure side piping. Thus, a heat exchanger temperature sensor 5 is attached to the indoor heat exchanger 4. In addition, an outdoor fan 6 is provided near the outdoor heat exchanger 2.
is installed, and an indoor fan 7 is installed near the indoor heat exchanger 4.
is installed.

第2図は制御回路である。1oは主制御部で、マイクロ
コンピュータおよびその周辺回路からなシ、各種運転制
御を行なうものである。すなわち、室内温度センサ11
で検知される室内温度と予め設定された室内設定温度と
を比較し、その比較結果に応じて出力スイッチ(たとえ
ば電磁接触器接点)12をオンまたはオフするとともに
、室内温度センサ13で検知される室内湿度と前記熱交
温度センサ5の検知温度とに応じてデジタル制御部14
へ回転数設定指令(能力設定指令)Aを供給するもので
ある。一方、15は交流電源で、この電源15には上記
スイッチ12およびコンバータ回路16を介してインバ
ータ回路17が接続される。このインバータ回路17は
、コンバータ回路16の直流出力を交流に変換して出力
するとともに1その交流出力の電圧および周波数を上記
回転数設定指令Aに基づくディジタル制御部14の制御
に応じてそれぞれ同時に一定の比率で変化させるもので
ある。しかして、インバータ回路17の出力端には前記
圧縮機1の駆動モータ(以下、圧縮機モータと称する)
JMが接続される。
FIG. 2 shows the control circuit. 1o is a main control section which performs various operational controls including a microcomputer and its peripheral circuits. That is, the indoor temperature sensor 11
The indoor temperature detected by the indoor temperature sensor 13 is compared with a preset indoor temperature, and depending on the comparison result, the output switch (for example, an electromagnetic contactor contact) 12 is turned on or off, and the indoor temperature detected by the indoor temperature sensor 13 is turned on or off. Digital control unit 14 according to the indoor humidity and the temperature detected by the heat exchanger temperature sensor 5.
The rotation speed setting command (capacity setting command) A is supplied to the motor. On the other hand, 15 is an AC power supply, and an inverter circuit 17 is connected to this power supply 15 via the switch 12 and the converter circuit 16. The inverter circuit 17 converts the DC output of the converter circuit 16 into AC and outputs the AC output, and simultaneously maintains the voltage and frequency of the AC output at a constant level under control of the digital control unit 14 based on the rotation speed setting command A. It is changed by the ratio of . Therefore, the drive motor of the compressor 1 (hereinafter referred to as compressor motor) is connected to the output end of the inverter circuit 17.
JM is connected.

なお、冷房運転時、圧縮機モータIMの回転数と室内熱
交換器4の温度(以下、蒸発器温度と称する)との間お
よび回転数と潜熱比との間にはそれぞれ第3図に示す特
性があり、この特性が回転数設定条件として主制御部1
oに予め格納されている。
During cooling operation, the relationship between the rotation speed of the compressor motor IM and the temperature of the indoor heat exchanger 4 (hereinafter referred to as evaporator temperature) and between the rotation speed and the latent heat ratio are shown in FIG. 3, respectively. There is a characteristic, and this characteristic is used as the rotation speed setting condition in the main control unit 1.
o is stored in advance.

次に、上記のような構成において第4図の制御フローを
参照しながら動作を説明する。
Next, the operation of the above configuration will be explained with reference to the control flow shown in FIG. 4.

冷房運転の開始操作を行なうと、室内温度センサ11で
室内温度が検知され、室内湿度センサ13で室内湿度が
検知され、さらに熱交温度センサ5で蒸発器温度が検知
される。しかして、室内温度が室内設定温度(以下、設
定値と略称する)以上であれば、スイッチ12がオンし
、圧縮機モータIMが動作する。つまり、圧縮機1の運
転が開始される。また、図示していない制御回路により
室外ファン6および室内ファン7の運転が開始される。
When the cooling operation is started, the indoor temperature sensor 11 detects the indoor temperature, the indoor humidity sensor 13 detects the indoor humidity, and the heat exchanger temperature sensor 5 detects the evaporator temperature. If the indoor temperature is equal to or higher than the indoor set temperature (hereinafter abbreviated as set value), the switch 12 is turned on and the compressor motor IM operates. That is, the operation of the compressor 1 is started. Further, operation of the outdoor fan 6 and the indoor fan 7 is started by a control circuit (not shown).

しかる後、冷凍サイクルが安定する頃になると、主制御
部1oは検知される蒸発器温度と所望の湿度に対応する
潜熱比とを比較し、この比較によって圧縮機モータIM
の回転数をどの程度に設定すべきかを判定し、その旨の
回転数設定指令Aを発する。こうして、圧縮機モータI
Mの回転数が変化し、十分な除湿能力が得られる状態に
圧縮機1の能力が設定される。この場合、冷凍能力の変
化に伴なって膨張弁3の膨張度が変化し、冷凍サイクル
が安定する。その後、主制御部1oは、検知される室内
湿度と所望の湿度に対応する潜熱比とを比較し、この比
較によって上記同様に圧縮機モータIMの回転数を変化
させる。一方、室内温度が室内設定温度以下になると、
主制御部10によってスイッチ12がオフし、圧縮機1
の運転が停止する。そして、室内温度が再び室内設定温
度以上となってスイッチ12がオンすると、圧縮機1の
運転が再開され、上記のような動作が繰返される。
Thereafter, when the refrigeration cycle becomes stable, the main controller 1o compares the detected evaporator temperature with the latent heat ratio corresponding to the desired humidity, and based on this comparison, the compressor motor IM
The rotation speed setting command A to that effect is determined. Thus, the compressor motor I
The rotation speed of M is changed, and the capacity of the compressor 1 is set to a state where sufficient dehumidification capacity is obtained. In this case, the degree of expansion of the expansion valve 3 changes as the refrigeration capacity changes, and the refrigeration cycle becomes stable. Thereafter, the main control unit 1o compares the detected indoor humidity with the latent heat ratio corresponding to the desired humidity, and based on this comparison changes the rotation speed of the compressor motor IM in the same manner as described above. On the other hand, when the indoor temperature falls below the indoor set temperature,
The switch 12 is turned off by the main control unit 10, and the compressor 1
operation stops. Then, when the indoor temperature becomes equal to or higher than the indoor set temperature again and the switch 12 is turned on, the operation of the compressor 1 is restarted, and the above-described operation is repeated.

このように、室内温度と室内設定温度との比較によシ圧
縮機の運転をオン、オフ制御するとともに、蒸発器温度
または室内湿度に応じて圧縮機の能力を変化せしめるよ
うにしたので、つまり除湿能力を基準とした冷凍能力制
御を行なうようにしたので、室内温度並びに室内湿度を
最適な状態に維持することができ、快適性の向上が計れ
る。
In this way, the operation of the compressor is controlled on and off based on the comparison between the indoor temperature and the indoor set temperature, and the capacity of the compressor is changed according to the evaporator temperature or indoor humidity. Since the refrigeration capacity is controlled based on the dehumidification capacity, the indoor temperature and indoor humidity can be maintained at an optimum state, and comfort can be improved.

なお、上記実施例では冷凍能力制御のみで除湿能力を確
保するようにしたが、その冷凍能力制御に室内ファンの
運転速度制御を加え、たとえば除湿能力を高める場合に
は冷凍能力の増大および室外ファンの運転速度低下を計
るようにしてもよい。
In the above embodiment, the dehumidification capacity was ensured only by controlling the refrigeration capacity, but if indoor fan operation speed control is added to the refrigeration capacity control and the dehumidification capacity is increased, for example, the refrigeration capacity is increased and the outdoor fan is It may also be possible to measure the reduction in operating speed.

その他、この発明は上記実施例に限定されるものではな
く、要旨を変えない範囲で種々変形実施可能なこと勿論
である。
In addition, the present invention is not limited to the above-mentioned embodiments, and it goes without saying that various modifications can be made without changing the gist.

〔発明の効果〕〔Effect of the invention〕

以上述べたようにこの発明によれば、情況に応じた最適
な冷房並び忙除湿能力を得ることができ、これによシ常
に室内を良好な温・湿度状態に維持して快適性の向上を
計ることができる空気調和機を提供できる。
As described above, according to the present invention, it is possible to obtain optimal cooling and dehumidification capabilities depending on the situation, thereby constantly maintaining indoor temperature and humidity conditions and improving comfort. We can provide you with an air conditioner that can measure your time.

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

図面はこの発明の一実施例を示すもので、第1図は冷凍
サイクルの構成図、第2図は制御回路の主要部の概略構
成図、第3図は圧縮機モータの回転数と蒸発器温度との
対応関係および回転数と潜熱比との対応関係をそれぞれ
示す図、第4図は動作を説明するための制御フロー図で
ある。 1・・・能力可変圧縮機、3・・・膨張弁(減圧装置)
、4・・・室内熱交換器(蒸発器)、5・・・熱交温度
センサ、10・・・主制御部、11・・・室内温度セン
サ、13・・・室内湿度セ/す。
The drawings show one embodiment of the present invention. Fig. 1 is a block diagram of the refrigeration cycle, Fig. 2 is a schematic block diagram of the main part of the control circuit, and Fig. 3 is a diagram showing the rotation speed of the compressor motor and the evaporator. FIG. 4 is a control flow chart for explaining the operation, which shows the correspondence relationship between temperature and rotation speed and latent heat ratio. 1... variable capacity compressor, 3... expansion valve (pressure reducing device)
, 4... Indoor heat exchanger (evaporator), 5... Heat exchanger temperature sensor, 10... Main control unit, 11... Indoor temperature sensor, 13... Indoor humidity sensor.

Claims (1)

【特許請求の範囲】 能力可変圧縮機、室外熱交換器、減圧装置。 および室内熱交換器などを順次連通してなる冷凍サイク
ルと、室内温度センサと、室内湿度センサと、前記室内
熱交換器の温度を検知する熱交温度センサと、前記室内
温度センサの検知結果と室内設定温度との比較により前
記圧縮機の運転をオン、オフ制御する制御手段と、冷房
運転時、前記熱交温度センサの検知結果または室内湿度
センサの検知結果に応じて前、配圧縮機の能力を変化せ
しめる制御手段とを具備したことを特徴とする空気調和
機。
[Claims] Variable capacity compressor, outdoor heat exchanger, and pressure reducing device. and a refrigeration cycle formed by sequentially communicating an indoor heat exchanger, an indoor temperature sensor, an indoor humidity sensor, a heat exchanger temperature sensor that detects the temperature of the indoor heat exchanger, and a detection result of the indoor temperature sensor. A control means for controlling the operation of the compressor on and off based on a comparison with a set indoor temperature; An air conditioner characterized by comprising a control means for changing the capacity.
JP57135414A 1982-08-03 1982-08-03 Air conditioner Pending JPS5927145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57135414A JPS5927145A (en) 1982-08-03 1982-08-03 Air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57135414A JPS5927145A (en) 1982-08-03 1982-08-03 Air conditioner

Publications (1)

Publication Number Publication Date
JPS5927145A true JPS5927145A (en) 1984-02-13

Family

ID=15151166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57135414A Pending JPS5927145A (en) 1982-08-03 1982-08-03 Air conditioner

Country Status (1)

Country Link
JP (1) JPS5927145A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1443279A1 (en) * 2003-01-30 2004-08-04 Lg Electronics Inc. Dehumidification method of an air conditioner
EP1443280A1 (en) * 2003-01-30 2004-08-04 Lg Electronics Inc. Dehumidification method of an air conditioner
EP1443278A1 (en) * 2003-01-30 2004-08-04 Lg Electronics Inc. Dehumidification method of an air conditioner
CN104848493A (en) * 2015-05-26 2015-08-19 珠海格力电器股份有限公司 Air humidity detection method, air humidity detection device, air conditioner and dehumidifier
CN110030682A (en) * 2019-03-18 2019-07-19 青岛海尔空调器有限总公司 Air conditioning control method, control device and air-conditioning

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115042A (en) * 1975-04-02 1976-10-09 Hitachi Ltd Air conditioner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115042A (en) * 1975-04-02 1976-10-09 Hitachi Ltd Air conditioner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1443279A1 (en) * 2003-01-30 2004-08-04 Lg Electronics Inc. Dehumidification method of an air conditioner
EP1443280A1 (en) * 2003-01-30 2004-08-04 Lg Electronics Inc. Dehumidification method of an air conditioner
EP1443278A1 (en) * 2003-01-30 2004-08-04 Lg Electronics Inc. Dehumidification method of an air conditioner
CN100430662C (en) * 2003-01-30 2008-11-05 Lg电子株式会社 Health dehumidification operation of air conditioner
CN100436954C (en) * 2003-01-30 2008-11-26 Lg电子株式会社 Strong dehumidification operation of air conditioner
CN104848493A (en) * 2015-05-26 2015-08-19 珠海格力电器股份有限公司 Air humidity detection method, air humidity detection device, air conditioner and dehumidifier
CN110030682A (en) * 2019-03-18 2019-07-19 青岛海尔空调器有限总公司 Air conditioning control method, control device and air-conditioning

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