JP2668637B2 - Energy saving control method of air conditioner in amusement arcade - Google Patents
Energy saving control method of air conditioner in amusement arcadeInfo
- Publication number
- JP2668637B2 JP2668637B2 JP5208960A JP20896093A JP2668637B2 JP 2668637 B2 JP2668637 B2 JP 2668637B2 JP 5208960 A JP5208960 A JP 5208960A JP 20896093 A JP20896093 A JP 20896093A JP 2668637 B2 JP2668637 B2 JP 2668637B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- temperature
- heat exchanger
- total heat
- air conditioner
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/104—Heat exchanger wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1068—Rotary wheel comprising one rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1084—Rotary wheel comprising two flow rotor segments
Landscapes
- Central Air Conditioning (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、パチンコ店等の遊技場
における空気調和機の省エネルギー制御方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an energy saving control method for an air conditioner in a game arcade such as a pachinko parlor.
【０００２】[0002]
【従来の技術】従来のパチンコ店等の遊技場における空
気調和機としては、ホール内天井にカセット型エアコン
と空気清浄器を適宜分散して埋込んだカセット分散方式
や、機械室に床置型大型エアコンと電気集塵器、ファン
等を設置し、ダクトを介してホールに調和空気を送風す
るようにしたセントラル方式等が採用されている。2. Description of the Related Art Conventional air conditioners in amusement arcades such as pachinko parlors include a cassette dispersing method in which a cassette type air conditioner and an air purifier are appropriately dispersed and embedded in a ceiling of a hall, or a floor type large type in a machine room. A central system is used in which an air conditioner, an electrostatic precipitator, a fan, etc. are installed and conditioned air is blown to the hall through a duct.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、この従
来のカセット分散方式では、排気に関しては換気扇で行
われているケースが多い。この場合、排気からの熱回収
は零に等しいから、熱負荷の大きなパチンコ店等の遊技
場では、常にエアコンと換気扇のみで空気調和を行わな
ければならず、これでは快適性を満足する温湿度の制御
も効率的に行えないしランニングコストも大変高くなっ
てしまうという問題があった。However, in this conventional cassette distribution system, exhaust is often performed by a ventilation fan. In this case, since heat recovery from the exhaust air is equal to zero, air conditioning must always be performed only with an air conditioner and a ventilation fan at a game center such as a pachinko parlor that has a large heat load, so that temperature and humidity satisfying comfort can be achieved. However, there was a problem that the control could not be performed efficiently and the running cost would be very high.
【０００４】前記セントラル方式においても同様に、快
適性を満足するためには外気を多く取り入れてエアコン
だけで温湿度制御をしなければならず、また、中間期も
エアコンの使用が必要であること等から、ランニングコ
ストが高くなってしまうという問題があった。また、前
記中間期では冷暖房選択が微妙となり、一日のうちでの
冷房、暖房の切換運転を行うことになるため、エアコン
等の機器にも好ましくない等の問題があった。本発明
は、かかる従来の問題点を解決するためになされたもの
であって、その目的とするところは、パチンコ店等のよ
うな熱負荷が大きな遊技場の空気調和を換気の制御と全
熱交換器を効率的に使用することによって省エネルギー
できるようにした制御方法を提供することにある。Similarly, in the central system, in order to satisfy the comfort, it is necessary to take in a large amount of outside air and control the temperature and humidity only by the air conditioner, and it is necessary to use the air conditioner even in the intermediate period. Therefore, there is a problem that running cost becomes high. Further, in the above-mentioned interim period, the selection of cooling and heating becomes delicate, and the switching operation between cooling and heating is performed in one day. The present invention has been made to solve such conventional problems, and an object of the present invention is to control ventilation and total heat for air conditioning in amusement halls with a large heat load such as pachinko parlors. It is an object of the present invention to provide a control method capable of saving energy by efficiently using an exchanger.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
の手段として本発明のパチンコ店等の遊技場における空
気調和機の省エネルギー制御方法では、遊技場の空気調
和機に空気調和時の省エネルギー運転を行うための回転
式全熱交換器を連設し、空気調和機を立上げ運転から空
気調和運転まで省エネルギー運転を行わせるための制御
方法であって、非換気状態で前記空気調和機の室内機を
運転させ、レタン空気温度と室内設定温度とを比較させ
て冷房または暖房運転に設定させた後、室外機を自動運
転させる立上げ運転を行わせ、前記空気調和機の立上げ
運転完了後外気を取り込ませ、この外気温度と予め定め
た冷暖切換用設定温度とを比較させて冷房または暖房運
転に設定させた後、レタン空気温度が前記室内設定温度
になるまで室外機を自動運転させる空気調和運転を行わ
せ、前記空気調和機の冷房運転モードであって、外気エ
ンタルピがレタン空気エンタルピより高い場合は室外機
を自動運転させると共に全熱交換器を定格運転させ、外
気エンタルピがレタン空気エンタルピより低い場合であ
ってレタン空気温度が室内設定温度の近傍および室内設
定温度より高いときは室外機を自動運転させると共に、
全熱交換器による熱回収運転と空気調和機の冷房運転と
の同時運転を避けるために定めたオフセット値を前記室
内設定温度から減算した値と前記レタン空気温度とによ
り求めた制御値により全熱交換器を停止させて外気によ
る冷却を有効利用し、レタン空気温度が室内設定温度よ
り低くなる場合は室外機を停止させると共にレタン空気
温度が低くくなるに従って全熱交換器の回転数を停止か
ら増速させて導入外気温度を上昇させることにより室温
保持を図る自動運転を行なわせ、前記空気調和機の暖房
運転モードであってレタン空気温度が前記室内設定温度
の近傍および室内設定温度より低いときは室外機を自動
運転させると共に、全熱交換器による外気冷房運転と空
気調和機の暖房運転との同時運転を避けるために定めた
オフセット値を前記室内設定温度に加算した値と前記レ
タン温度とにより求めた制御値により全熱交換器を定格
運転させ、レタン空気温度が室内設定温度より高くなる
場合は室外機を停止させると共に、レタン空気温度が高
くなるに従って全熱交換器の回転数を定格運転から減速
させまたは停止させて導入外気温度を降下させることに
より室温保持を図る自動運転を行なわせ、全熱交換器の
自動運転中であって、空気調和機の冷房運転中のレタン
空気湿度が設定湿度より低い場合と空気調和機の暖房運
転中は循環風量全てをコイルに通過させ、空気調和機の
冷房運転中のレタン湿度が設定湿度より高い場合は循環
風量のうちコイル通過風量を制限すると共に、コイル通
過風量を制限中であって全熱交換器を回転数制御運転中
におけるレタン空気の絶対湿度が外気の絶対湿度より低
い場合のみ全熱交換器を定格運転して湿分流入の制限を
行わせる方法とした。According to the present invention, there is provided a method for controlling energy saving of an air conditioner in a game room such as a pachinko parlor as an means for achieving the above object. A rotary total heat exchanger for performing the energy-saving operation from start-up operation to air-conditioning operation of the air conditioner, the room of the air conditioner in a non-ventilated state After the operation of the air conditioner, the air conditioner is compared with the indoor air temperature and the cooling or heating operation is set, and then the start operation for automatically operating the outdoor unit is performed, and after the start operation of the air conditioner is completed. After the outside air is taken in, the outside air temperature is compared with a predetermined set temperature for cooling / heating switching to set the cooling or heating operation, and then the outdoor unit is cooled until the ethane air temperature reaches the indoor set temperature. In the cooling operation mode of the air conditioner, the outdoor air enthalpy is higher than the urethane air enthalpy. Is lower than the tan air enthalpy, and when the tan air temperature is near the indoor set temperature or higher than the indoor set temperature, the outdoor unit is automatically operated,
Total heat by the control value obtained by subtracting the offset value set to avoid simultaneous operation of the heat recovery operation by the total heat exchanger and the cooling operation of the air conditioner from the indoor set temperature and the retan air temperature. When the chiller air temperature becomes lower than the indoor set temperature, the outdoor unit is stopped and the rotation speed of the total heat exchanger is stopped as the chiller air temperature becomes lower. The automatic operation for maintaining the room temperature is performed by increasing the speed of the introduced outside air by increasing the speed, and when the air conditioner is in the heating operation mode and the ethane air temperature is near the indoor set temperature and lower than the indoor set temperature. Automatically operates the outdoor unit and adjusts the offset value beforehand to avoid simultaneous operation of the outdoor air cooling operation by the total heat exchanger and the air conditioner heating operation. The total heat exchanger is operated at the rated value according to the control value obtained by adding the value to the indoor set temperature and the urethane temperature.When the urethane air temperature becomes higher than the indoor set temperature, the outdoor unit is stopped, and the urethane air temperature is reduced. Automatic operation for maintaining the room temperature by reducing or stopping the rotation speed of the total heat exchanger from the rated operation or lowering the introduced outside air temperature as the temperature increases, and during the automatic operation of the total heat exchanger, When the air humidity of the air conditioner during cooling operation is lower than the set humidity and during the heating operation of the air conditioner, the entire circulating air volume passes through the coil, and the air humidity of the air conditioner during cooling operation is higher than the set humidity. In this case, the amount of air passing through the coil in the amount of circulating air is limited, and the absolute humidity of the retinal air during the rotation speed control operation of the total heat exchanger is limited while the amount of air passing through the coil is being limited. The absolute lower than the humidity only total heat exchanger as a way to perform the restriction of the moisture flowing in rated operation.
【０００６】[0006]
【作用】レタン空気の温度が、あらかじめ定めた室内設
定温度となるまで空気調和機を立上り運転させ、この立
上り運転完了後外気を取り込ませ、その外気温度の状態
により、冷房または暖房運転の切換えを行って空気調和
運転を行わせる。この場合、外気温度が予め定めた冷暖
切換用設定温度より高い場合は、前記室内設定温度を目
標に冷房運転を、または外気温度が前記冷暖切換用設定
温度より低い場合は、前記室内設定温度を目標に暖房運
転を行わせる。The air conditioner is operated to start up until the temperature of the urethane air reaches a predetermined indoor set temperature. After the start-up operation is completed, the outside air is taken in, and the cooling or heating operation is switched depending on the state of the outside air temperature. Let's go and do an air conditioning operation. In this case, when the outside air temperature is higher than the predetermined cooling / heating switching set temperature, the cooling operation is performed with the indoor setting temperature as a target, or when the outside air temperature is lower than the cooling / heating switching set temperature, the indoor setting temperature is set. Have the target perform heating operation.
【０００７】そして、前記空気調和運転中、レタン空気
エンタルピと外気エンタルピを比較させておき、空気調
和機が冷房運転中レタン空気エンタルピが外気エンタル
ピより低い場合は全熱交換器を定格回転数で稼働させ
る。また、空気調和機が冷房運転中であってレタン空気
エンタルピが外気エンタルピより高い場合、全熱交換器
を前記室内設定温度より少し低めの温度（全熱交換器の
熱回収運転と空気調和機の冷房または暖房運転との同時
運転を避けるためにそれぞれ定めたオフセット値を室内
設定温度に加除して求めた全熱交換器用設定温度）とし
た熱回収運転を、または暖房運転中にあっては、全熱交
換器を前記室内設定温度より少し高めの温度（前記全熱
交換器用設定温度）とした熱回収運転を行うことによ
り、前記全熱交換器の外気冷房運転と空気調和機の同時
運転防止を図り、また、このとき、熱回収量が過大とな
らないように全熱交換器を回転数制御して稼働させるこ
とにより、効率的な温度調節と省エネルギーを行わせ
る。[0007] Then, during the air conditioning operation, the ethane air enthalpy is compared with the outside air enthalpy, and when the ethane air enthalpy is lower than the outside air enthalpy during the cooling operation of the air conditioner, the total heat exchanger is operated at the rated speed. Let If the air conditioner is in the cooling operation and the ethane enthalpy is higher than the outside air enthalpy, the total heat exchanger is set to a temperature slightly lower than the indoor set temperature (the heat recovery operation of the total heat exchanger and the air conditioner. In the case of a heat recovery operation or a heating operation in which the offset value determined in order to avoid the simultaneous operation with the cooling or heating operation is added to or subtracted from the indoor set temperature to obtain the set temperature for the total heat exchanger, Preventing simultaneous operation of the outside air cooling operation of the total heat exchanger and the air conditioner by performing the heat recovery operation of the total heat exchanger at a temperature slightly higher than the indoor set temperature (set temperature for the total heat exchanger) At this time, the total heat exchanger is operated at a controlled rotation speed so that the heat recovery amount does not become excessive, so that efficient temperature control and energy saving are performed.
【０００８】この様にしてレタン空気と外気とをエンタ
ルピ比較して設定温度を基に空気調和運転を行うが、こ
の空気調和運転中、レタン空気湿度と設定湿度とを比較
させておき、空気調和機が冷房運転中レタン空気湿度が
設定湿度より低い場合または暖房運転中は、循環風量全
てを空気調和機冷却用コイルに通過させ、また、空気調
和機が冷房運転中であってレタン空気湿度が設定湿度よ
り高い場合は、循環風量を確保した上でコイル通過風量
を制限することにより効率的な除湿を行わせる。[0008] In this manner, the enthalpy comparison between the retane air and the outside air is performed to perform the air-conditioning operation based on the set temperature. During this air-conditioning operation, the retane air humidity is compared with the set humidity, and the air conditioning is performed. When the air conditioner is in the cooling operation and the air humidity is lower than the set humidity or during the heating operation, all the circulating air volume is passed through the air conditioner cooling coil. When the humidity is higher than the set humidity, efficient dehumidification is performed by securing the circulating air volume and limiting the air volume passing through the coil.
【０００９】また、前記コイル通過風量を制限中、全熱
交換器を回転数制御運転中に、レタン空気の絶対湿度が
外気の絶対湿度より低くなったときは、全熱交換器を定
格運転して湿分流入の制限を行わせることにより効率的
な湿度調節を行うことができる。Further, when the absolute humidity of the ethane air becomes lower than the absolute humidity of the outside air during the rotation speed control operation of the total heat exchanger while the air volume passing through the coil is limited, the total heat exchanger is operated at the rated operation. By controlling the inflow of moisture, the humidity can be controlled efficiently.
【００１０】前記のようにエンタルピや絶対湿度の比
較、それを基にした全熱交換器や冷暖切換制御をして温
度調節と湿度調節を行うことにより、熱負荷の大きいパ
チンコ店等の遊技場を快適な状態に空気調和しながら省
エネルギーを達成することができる。As described above, by comparing the enthalpy and the absolute humidity, and by controlling the temperature and the humidity by controlling the total heat exchanger and the cooling / heating switching based on the enthalpy and the absolute humidity, a game hall such as a pachinko parlor having a large heat load. It is possible to achieve energy saving while air conditioning in a comfortable state.
【００１１】[0011]
【実施例】以下、本発明の実施例を図面に基づいて詳細
に説明する。図１は本実施例の空気調和機を示す説明図
であり、まず、本図により構成を説明する。本実施例の
空気調和機Ａは、パッケージ１と、電気集塵機２と、ミ
キシングボックス３と、吸気室４と、排気室５と、回転
式全熱交換器６と、をこの順に備えている。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory view showing the air conditioner of this embodiment. First, the configuration will be described with reference to this drawing. The air conditioner A of this embodiment includes a package 1, an electrostatic precipitator 2, a mixing box 3, an intake chamber 4, an exhaust chamber 5, and a rotary total heat exchanger 6 in this order.
【００１２】前記パッケージ１は、直膨コイル１ａと送
風ファン１ｂを有し、直膨コイル１ａは、分岐用ボック
ス１ｃを介して電気集塵機２と連通され、送風ファン１
ｂは、ダクト１ｄで遊技場ホール（図示せず）と連通さ
れている。また、前記分岐用ボックス１ｃとパッケージ
１は、直膨コイル１ａをバイパスするダクト１ｅとでも
直接連通されている。そして、前記ダクト１ｄ，１ｅに
は、それぞれモータダンパＭＤＳ，ＭＤＢが設けられて
いる。尚、前記パッケージ１は室内機として設けられ、
該パッケージ１に対し複数個の室外機１ｆ（実施例では
２台）が設けられている。The package 1 has a direct expansion coil 1a and a blower fan 1b. The direct expansion coil 1a is communicated with an electric dust collector 2 through a branch box 1c.
b is connected to a game hall (not shown) by a duct 1d. Further, the branch box 1c and the package 1 are also directly communicated with the duct 1e that bypasses the direct expansion coil 1a. The ducts 1d and 1e are provided with motor dampers MD S and MD B , respectively. The package 1 is provided as an indoor unit,
The package 1 is provided with a plurality of outdoor units 1f (two units in the embodiment).
【００１３】前記吸気室４は、外気導入ダクト４ａを介
して外気を導入しミキシング室３へ送る吸気ファン４ｂ
を有し、前記外気導入ダクト４ａには、モータダンパＭ
Ｄ４と外気温度検出器４ｃと外気湿度検出器４ｄとが設
けられている。The intake chamber 4 has an intake fan 4b for introducing the outside air to the mixing chamber 3 through the outside air introducing duct 4a.
And a motor damper M in the outside air introduction duct 4a.
An D4, an outside air temperature detector 4c, and an outside air humidity detector 4d are provided.
【００１４】前記排気室５は吸気室４の上部に配置さ
れ、排気ダクト５ａと排気ファン５ｂを有し、レタンダ
クト３ａが前記ミキシングボックス３と共に分岐接続さ
れている。図中ＭＤ５は排気室分岐側のモータダンパ、
ＭＤ３はミキシングボックス側のモータダンパである。
また、３ｂはレタンダクト３ａに設けられたレタン空気
温度検出器、３ｃはレタン空気湿度検出器である。The exhaust chamber 5 is disposed above the intake chamber 4, has an exhaust duct 5a and an exhaust fan 5b, and a retentate duct 3a is branched and connected with the mixing box 3. In the figure, MD5 is a motor damper on the branch side of the exhaust chamber,
MD3 is a motor damper on the side of the mixing box.
Further, 3b is a retinal air temperature detector provided in the retinal duct 3a, and 3c is a retane air humidity detector.
【００１５】全熱交換器６は、回転式が使用され、回転
数制御を行うためのインバータ（図示せず）を備えてい
る。この全熱交換器６は、前記吸気室４および排気室５
の中間部分に配置されると共に、ロータの給気側６ａが
吸気室４の前後と、排気側６ｂが排気室５の前後と連通
するように設けられている。図中６ｃ，６ｄはフィルタ
である。The total heat exchanger 6 is of a rotary type and is provided with an inverter (not shown) for controlling the number of revolutions. The total heat exchanger 6 includes the intake chamber 4 and the exhaust chamber 5.
Are provided so that the supply side 6a of the rotor communicates with the front and rear of the intake chamber 4 and the exhaust side 6b communicates with the front and rear of the exhaust chamber 5. In the figure, 6c and 6d are filters.
【００１６】本実施例では、中央監視盤（図示せず）
に、送風ファン１ｂ、吸気ファン４ｂ、排気ファン５
ｂ、モータダンパＭＤＢ、ＭＤＳ，ＭＤ３〜ＭＤ５等を
任意に作動させる制御部を備えている。また、該制御部
と接続され前記外気温度検出器４ｃ，外気湿度検出器４
ｄ、レタン空気温度検出器３ｂ，レタン空気湿度検出器
３ｃ等の検出データにより、レタンのエンタルピｉＲや
絶対湿度ＸＲ、外気のエンタルピｉＯや絶対湿度ＸＯの
算出等により冷暖判断やエンタルピ比較、絶対湿度比較
等を行う計算器を備えている。In this embodiment, a central monitoring board (not shown)
Blower fan 1b, intake fan 4b, exhaust fan 5
b, the motor dampers MD B , MD S , MD3 to MD5, and the like are provided with a control unit for arbitrarily operating them. Further, the outside air temperature detector 4c and the outside air humidity detector 4 are connected to the control unit.
d, urethane air temperature detector 3b, the detection data such as urethane air humidity detector 3c, cool-determined and enthalpy enthalpy i R and the absolute humidity X R of urethane, by calculation or the like of the outside air enthalpy i O or absolute humidity X O Equipped with a calculator for comparison and absolute humidity comparison.
【００１７】本実施例の空気調和機Ａは、レタン空気の
温度状態により、あらかじめ設定した時間、またはあら
かじめ設定した室内設定温度になるまでパッケージ１を
冷暖切換えて立上げ運転を行わせる。この立上げ運転終
了後、外気温度の状態により、冷暖判断し冷房運転また
は暖房運転を行う。そして、冷房運転中は外気エンタル
ピとレタン空気のエンタルピを比較し、暖房運転の場合
を含めて全熱交換器の回転数制御（定格または減速運
転）を行う。この全熱交換器６を運転中レタン湿度の状
態により除湿を行わせる。The air conditioner A according to the present embodiment switches the package 1 between the cooling and heating states for a preset time or until the temperature reaches a preset indoor temperature depending on the temperature state of the urethane air, thereby performing a start-up operation. After the start-up operation is finished, the cooling operation is performed depending on the state of the outside air temperature, and the cooling operation or the heating operation is performed. Then, during the cooling operation, the enthalpy of the outside air and the enthalpy of the urethane air are compared, and the rotation speed control (rating or deceleration operation) of the total heat exchanger is performed including the case of the heating operation. During operation of the total heat exchanger 6, dehumidification is performed depending on the state of the humidity of the retin.
【００１８】次に、実施例における冷暖自動切換、中間
期制御、湿度制御を図２，図３に示すフローチャートに
基づいて説明する。まず、空気調和機Ａの運転または停
止を選択する（ステップ１０１）。停止の場合は、パッ
ケージ１，室外機１ｆ，電気集塵器２，吸気ファン４
ｂ，排気ファン５ｂ，全熱交換器６が停止の状態（ステ
ップ１０２）となり、更に、モータダンパＭＤＢ，ＭＤ
４，ＭＤ５が全閉、モータダンパＭＤＳ，ＭＤ３が全開
の状態（ステップ１０３）となる。運転の場合、図６に
示すように、パッケージ１と電気集塵器２を運転させ、
レタン空気をレタンダクト３ａとダクト１ｄを介しホー
ルとの間で循環させる（ステップ１０４）。このときの
レタン空気温度ＴＲをレタン温度検出器３ｂで計測さ
せ、室内設定温度ＳＰと共に計算器に読み込ませる（ス
テップ１０５）。Next, the cooling / heating automatic switching, the intermediate period control, and the humidity control in the embodiment will be described with reference to the flowcharts shown in FIGS. First, the operation or stop of the air conditioner A is selected (step 101). When stopped, package 1, outdoor unit 1f, electrostatic precipitator 2, intake fan 4
b, the exhaust fan 5b, and the total heat exchanger 6 are stopped (step 102), and the motor dampers MD B , MD
4, MD5 is fully closed, and the motor dampers MD S , MD3 are fully open (step 103). In the case of operation, as shown in FIG. 6, the package 1 and the electrostatic precipitator 2 are operated,
Retan air is circulated between the hall through the retin duct 3a and the duct 1d (step 104). The urethane air temperature T R at this time is measured by the urethane temperature detector 3b, to read the calculator with the indoor set temperature S P (step 105).
【００１９】レタン空気温度ＴＲと室内設定温度Ｓ
Ｐ（パチンコ店であれば例えば略２４℃であるが可変で
ある）とを比較して冷暖の判断をさせる（ステップ１０
６）と共に、ウォーミングアップタイマーを作動させる
（ステップ１０７）。そして、立上げ運転として、前記
レタン空気温度ＴＲが室内設定温度ＳＰより大きい場合
は室外機１ｆを冷房運転させ（ステップ１０８）、小さ
い場合は暖房運転させる（ステップ１０９）。この場
合、室外機１ｆは、冷房運転のときは、図４に示すよう
にレタン空気温度ＴＲが室内設定温度ＳＰより少し低く
なるまで、また、暖房運転のときは、図５に示すように
レタン空気温度ＴＲが室内設定温度ＳＰより少し高くな
るまで、またはウォーミングアップタイマーがタイムア
ップするまで運転させる。[0019] The urethane air temperature T R and the indoor set temperature S
P (if it is a pachinko parlor, it is variable, for example, about 24 ° C., but it is variable) to judge whether it is cool or warm (step 10
Along with 6), the warming up timer is activated (step 107). Then, the start-up operation, the urethane case air temperature T R is higher than the indoor set temperature S P causes the cooling operation to the outdoor unit 1f (step 108), if small to heating operation (step 109). In this case, the outdoor unit 1f, when the cooling operation, until the urethane air temperature T R as shown in FIG. 4 is slightly lower than the room temperature setting S P, also when the heating operation, as shown in FIG. 5 Retan to the air temperature T R is slightly higher than the room temperature setting S P, or warm-up timer is operated until the time is up to.
【００２０】前記立上げ運転において、レタン空気温度
ＴＲと室内設定温度ＳＰが等しくなった後、またはウォ
ーミングアップタイマーがタイムアップした後、吸気フ
ァン４ｂと排気ファン５ｂを運転させ、モータダンパＭ
Ｄ４，ＭＤ５を開き、モータダンパＭＤ３を半開状態と
する（ステップ１１０）。そして、この後、レタン空気
温度ＴＲと湿度ＨＲ、外気温度ＴＯと湿度ＨＯとを計測
させ（ステップ１１１）、そのデータに基づいてレタン
空気エンタルピｉＲと絶対湿度ＸＲ、外気エンタルピｉ
Ｏと絶対湿度ＸＯとを演算させる（ステップ１１２）。[0020] In the start-up operation, after the urethane air temperature T R and the indoor set temperature S P is equal, or after the warm-up timer has timed, is operated suction fan 4b and the exhaust fan 5b, motor-damping M
D4 and MD5 are opened, and the motor damper MD3 is set to a half open state (step 110). After this, urethane air temperature T R and humidity H R, the outside air temperature T O and humidity H O and was measured (step 111), urethane air enthalpy i R and the absolute humidity X R based on the data, the outside air enthalpy i
O and absolute humidity X O are calculated (step 112).
【００２１】次に、まず、前記予め定めた冷暖切換用設
定温度ＴＳＳ（パチンコ店であれば例えば略１０℃であ
るが可変である）と外気温度ＴＯとを比較してこれから
行う空気調和の冷暖を判断させ（ステップ１１３）、前
記外気温度ＴＯが前記冷暖切換用設定温度ＴＳＳより小
さい場合は暖房運転へ切換え（ステップ１１４）、外気
温度ＴＯが前記冷暖切換用設定温度ＴＳＳより大きい場
合は冷房運転へ切換える（ステップ１１５）。まず、暖
房運転では、全熱交換器６を、図７（イ）に示すよう
に、室内設定温度ＳＰに対し１度〜２度の正のオフセッ
トを設け回転数制御を行いながら運転させる（ステップ
１１６）と共に、レタン空気温度ＴＲと室内設定温度Ｓ
Ｐとの比較（ステップ１１７）において、レタン空気温
度ＴＲが室内設定温度ＳＰより小さい場合のみ室外機１
ｆを運転させる（ステップ１１８）。また、前記冷房運
転では、レタン空気エンタルピｉＲと外気エンタルピｉ
Ｏとを比較させ（ステップ１１９）、レタン空気エンタ
ルピｉＲが外気エンタルピｉＯより小さい場合は全熱交
換器６を定格運転し（ステップ１２０）、レタン空気エ
ンタルピｉＲが外気エンタルピｉＯより大きい場合は、
図７（ロ）に示すように、全熱交換器６を室内設定温度
ＳＰに１度〜２度の負のオフセット値を設けた温度域に
対し回転数制御させる（ステップ１２１）。そして、こ
の状態でレタン空気温度ＴＲと室内設定温度ＳＰとの比
較（ステップ１２２）において、レタン空気温度ＴＲが
室内設定温度ＳＰより大きい場合のみ室外機１ｆを運転
させる（ステップ１２３）。尚、図７（イ），（ロ）に
おいて、ＳＰＨ，ＳＰＣは室内設定温度、ＨＥＸは全熱
交換器６の熱回収量を示す。この図７で外気冷房の有効
利用を説明する。まず、冷暖房時には、レタン空気温度
が室内設定温度近傍で全熱交換器の回転を１００％とし
て熱回収により温度調節を図り、レタン空気温度が室内
設定温度よりかなり高くなれば熱回収量の調節のために
全熱交換器の回転数を漸次減速させ外気による冷却を行
う。また、冷房時であれば、レタン空気温度が室内設定
温度の近傍では全熱交換器を停止させ外気を冷却に有効
に活用し、室温が低下しすぎた場合は全熱交換器の回転
数を１００％とし熱回収を行うことにより室温を上昇さ
せる。Next, first, the preset temperature for cooling / heating switching T SS (in a pachinko parlor, for example, about 10 ° C., but variable) is compared with the outside air temperature T O, and air conditioning to be performed from now on. Is determined (step 113). If the outside air temperature T O is lower than the cooling / heating switching set temperature T SS, the operation is switched to heating operation (step 114), and the outside air temperature T O is set to the cooling / heating switching temperature T SS. If it is larger, the operation is switched to the cooling operation (step 115). First, in the heating operation, the total heat exchanger 6, as shown in FIG. 7 (a), is operated while the rotational speed control is provided a positive offset of 1 ° to 2 ° with respect to the indoor set temperature S P ( with step 116), urethane air temperature T R and the indoor set temperature S
In the comparison with P (step 117), the outdoor unit 1 is provided only when the ethane air temperature T R is lower than the indoor set temperature S P.
f is operated (step 118). Moreover, in the cooling operation, the retinal air enthalpy i R and the outside air enthalpy i
O (Step 119), and when the ethane air enthalpy i R is smaller than the outside air enthalpy i O, the total heat exchanger 6 is rated (Step 120), and the ethane air enthalpy i R is larger than the outside air enthalpy i O. If
As shown in FIG. 7 (b), with respect to the temperature range in which a negative offset value of 1 degree to 2 degrees total heat exchanger 6 to the indoor set temperature S P to control rotation speed (step 121). Then, in comparison with urethane air temperature T R and the indoor set temperature S P in this state (step 122), urethane air temperature T R causes the operated outdoor unit 1f only larger than the indoor set temperature S P (step 123) . 7A and 7B, S PH and S PC indicate indoor set temperatures, and H EX indicates the heat recovery amount of the total heat exchanger 6. Effective use of outside air cooling will be described with reference to FIG. 7. First, at the time of cooling and heating, the temperature of the total heat exchanger is set to 100% and the temperature is adjusted by heat recovery when the temperature of the ethane air is near the indoor set temperature. Therefore, the rotation speed of the total heat exchanger is gradually reduced to perform cooling by the outside air. Also, during cooling, when the temperature of the urethane air is near the indoor set temperature, the total heat exchanger is stopped and the outside air is effectively used for cooling, and when the room temperature is too low, the rotation speed of the total heat exchanger is reduced. The temperature is raised to 100% by performing heat recovery.
【００２２】そして、前記ステップ１２３で示す運転中
に、レタン空気湿度ＨＲと設定湿度ＨＳＰとを比較させ
（ステップ１２４）、レタン空気湿度ＨＲが設定湿度Ｈ
ＳＰより小さい場合、または、前記ステップ１１８で示
す運転中の場合は、モータダンパＭＤＢを全閉し、モー
タダンパＭＤＳを全開することにより（ステップ１２
５）、図８に示すように、循環風量を全て直膨コイル１
ａを通過させる。また、レタン空気湿度ＨＲが設定湿度
ＨＳＰより大きい場合は、モータダンパＭＤＢを開くと
共にモータダンパＭＤＳを半開状態とし（ステップ１２
６）、このとき、レタン空気絶対湿度ＸＲと外気絶対湿
度ＸＯとの比較を行わせ（ステップ１２７）、レタン空
気絶対湿度ＸＲが外気絶対湿度ＸＯより小さい場合の
み、全熱交換器６を定格運転させる（ステップ１２
８）。[0022] Then, during the operation shown in step 123, to compare the set humidity H SP and urethane air humidity H R (step 124), urethane air humidity H R is the set humidity H
When it is smaller than SP , or when the operation shown in step 118 is in progress, the motor damper MD B is fully closed and the motor damper MD S is fully opened (step 12
5), as shown in FIG.
Pass a. Further, when urethane air humidity H R is larger than the set humidity H SP is a half-open state motor-damping MD S opens the motor-damping MD B (Step 12
6), this time, to perform the comparison of the urethane air absolute humidity X R and the ambient absolute humidity X O (step 127), if the urethane air absolute humidity X R is the outside air absolute humidity X O less than only, total heat exchanger 6 is operated at the rated speed (step 12)
8).
【００２３】以上説明してきたように、本実施例の空気
調和機Ａでは、まず、立上げ運転においては、非換気状
態で行うので無駄なエネルギーを必要とせず、省エネル
ギーに役立つ。また、ステップ１１３における冷暖切換
判断は、予め定めた冷暖切換用設定温度ＴＳＳ（可変）
と外気温度ＴＯとの比較で行っているため、切換回数も
少くなり動作的に安定する。中間期においては、図９に
示すように、全熱交換器のみの運転で快適な空気調和を
行える期間Ｋが長くなり省エネルギーに役立つ。除湿運
転時、ステップ１２６で示すように、循環風量を確保し
てコイル通過風量を制限することにより、効率的に除湿
が行えると共に全熱交換器の制御により無駄なエネルギ
ーを必要とせず快適な空気調和を行うことができる。As described above, in the air conditioner A of the present embodiment, the start-up operation is performed in a non-ventilated state, so that useless energy is not required, which contributes to energy saving. Further, the cooling / heating switching determination in step 113 is performed by setting a preset cooling / heating switching set temperature T SS (variable).
And the outside air temperature T O are compared, the number of times of switching is reduced and the operation is stabilized. In the intermediate period, as shown in FIG. 9, the period K during which comfortable air conditioning can be performed by operating only the total heat exchanger becomes longer, which is useful for energy saving. During the dehumidification operation, as shown in step 126, by ensuring the circulating air volume and limiting the air volume passing through the coil, the dehumidification can be performed efficiently, and the control of the total heat exchanger does not require unnecessary energy and provides comfortable air. Can harmonize.
【００２４】以上、本発明の実施例を説明してきたが本
発明の具体的な構成はこの実施例に限定されるものでは
なく、発明の要旨を逸脱しない範囲の設計変更等があっ
ても本発明に含まれる。The embodiment of the present invention has been described above. However, the specific configuration of the present invention is not limited to this embodiment, and the present invention is applicable even if there are design changes and the like within the scope not departing from the gist of the invention. Included in the invention.
【００２５】[0025]
【発明の効果】以上、説明してきたように、本発明の遊
技場における空気調和機の省エネルギー制御方法にあっ
ては、前記方法を採用したため、非換気状態で立上げ運
転を行うので無駄なエネルギーを必要とせず、省エネル
ギー運転を行うことができる。空気調和を行うときの冷
暖切換判断は、予め定めた冷暖切換用設定温度と外気温
度との比較により行っているため、切換回数も少くな
り、また、動作的に安定する。中間期においては、全熱
交換器のみの運転で快適な空気調和を行える期間が長く
なり、快適性を損なわず、また、省エネルギー運転を行
うことができる。循環風量を確保した状態でコイル通過
風量を制限するため、効率的に除湿を行って快適性が得
られると共に省エネルギー運転を行うことができる等の
効果が得られる。As described above, in the energy saving control method for an air conditioner in a game arcade according to the present invention, since the above method is employed, the start-up operation is performed in a non-ventilated state, so that wasteful energy is consumed. It is possible to perform energy saving operation without the need for. Since the cooling / heating switching determination when performing the air conditioning is performed by comparing a predetermined cooling / heating switching setting temperature with the outside air temperature, the number of switching is reduced and the operation is stabilized. In the interim period, the period during which comfortable air conditioning can be performed only by operation of the total heat exchanger becomes longer, and comfort is not impaired, and energy-saving operation can be performed. Since the amount of air passing through the coil is limited in a state where the amount of circulating air is secured, effects such as efficient dehumidification, comfort, energy saving operation, and the like can be obtained.
【図１】本発明実施例の空気調和機を示す説明図であ
る。FIG. 1 is an explanatory view showing an air conditioner of an embodiment of the present invention.
【図２】実施例の空気調和機の制御を示すフローチャー
ト図である。FIG. 2 is a flowchart showing control of the air conditioner of the embodiment.
【図３】図２のフローチャートのＢ，Ｃに続き空気調和
機の制御を示すフローチャート図である。FIG. 3 is a flowchart showing the control of the air conditioner following B and C in the flowchart of FIG.
【図４】実施例の室外機の冷房運転時における発停状態
を示す説明図である。FIG. 4 is an explanatory diagram showing a start / stop state during a cooling operation of the outdoor unit of the embodiment.
【図５】実施例の室外機の暖房運転時における発停状態
を示す説明図である。FIG. 5 is an explanatory diagram showing a start / stop state during a heating operation of the outdoor unit of the embodiment.
【図６】実施例の空気調和機の立上げ運転状態を示す説
明図である。FIG. 6 is an explanatory diagram showing a startup operation state of the air conditioner of the embodiment.
【図７】実施例の暖房運転時と冷房運転時における室外
機と全熱交換器のオフセット状態を（イ），（ロ）の順
に示す説明図である。FIG. 7 is an explanatory diagram showing the offset states of the outdoor unit and the total heat exchanger during the heating operation and the cooling operation in the embodiment in the order of (a) and (b).
【図８】実施例の空気調和機の循環風量を全て直膨コイ
ルに通して運転している状態を示す説明図である。FIG. 8 is an explanatory diagram showing a state in which the circulating air amount of the air conditioner of the embodiment is entirely passed through the direct expansion coil for operation.
【図９】実施例の全熱交換器の運転状態を示す説明図で
ある。FIG. 9 is an explanatory diagram showing an operating state of the total heat exchanger of the embodiment.
Ａ 空気調和機 ＭＤＢ 直膨コイルを回避するダクトに設けたモータダ
ンパ ＭＤＳ 室内に送風するダクトに設けたモータダンパ ＭＤ３ レタン空気を戻すダクトに設けたモータダンパ ＭＤ４ 外気導入用ダクトに設けたモータダンパ ＭＤ５ 排気用ダクトに設けたモータダンパ １ パッケージ（室内機） ６ 全熱交換器A Air conditioner MD B Motor damper provided in duct to avoid direct expansion coil MD Motor damper provided in duct for blowing air into room S MD3 Motor damper provided in duct returning return air MD4 Motor damper provided in duct for introducing outside air MD5 For exhaust Motor damper installed in duct 1 Package (indoor unit) 6 Total heat exchanger
フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ２４Ｆ 11/02 １０２ Ｆ２４Ｆ 11/02 １０２Ｐ Continuation of front page (51) Int.Cl. 6 Identification code Office reference number FI Technical display area F24F 11/02 102 F24F 11/02 102P
Claims (1)
ネルギー運転を行うための回転式全熱交換器を連設し、
空気調和機を立上げ運転から空気調和運転まで省エネル
ギー運転を行わせるための制御方法であって、 非換気状態で前記空気調和機の室内機を運転させ、レタ
ン空気温度と室内設定温度とを比較させて冷房または暖
房運転に設定させた後、室外機を自動運転させる立上げ
運転を行わせ、 前記空気調和機の立上げ運転完了後外気を取り込ませ、
この外気温度と予め定めた冷暖切換用設定温度とを比較
させて冷房または暖房運転に設定させた後、レタン空気
温度が前記室内設定温度になるまで室外機を自動運転さ
せる空気調和運転を行わせ、 前記空気調和機の冷房運転モードであって、外気エンタ
ルピがレタン空気エンタルピより高い場合は室外機を自
動運転させると共に全熱交換器を定格運転させ、外気エ
ンタルピがレタン空気エンタルピより低い場合であって
レタン空気温度が室内設定温度の近傍および室内設定温
度より高いときは室外機を自動運転させると共に、全熱
交換器による熱回収運転と空気調和機の冷房運転との同
時運転を避けるために定めたオフセット値を前記室内設
定温度から減算した値と前記レタン空気温度とにより求
めた制御値により全熱交換器を停止させて外気による冷
却を有効利用し、レタン空気温度が室内設定温度より低
くなる場合は室外機を停止させると共にレタン空気温度
が低くくなるに従って全熱交換器の回転数を停止から増
速させて導入外気温度を上昇させることにより室温保持
を図る自動運転を行なわせ、 前記空気調和機の暖房運転モードであってレタン空気温
度が前記室内設定温度の近傍および室内設定温度より低
いときは室外機を自動運転させると共に、全熱交換器に
よる外気冷房運転と空気調和機の暖房運転との同時運転
を避けるために定めたオフセット値を前記室内設定温度
に加算した値と前記レタン温度とにより求めた制御値に
より全熱交換器を定格運転させ、レタン空気温度が室内
設定温度より高くなる場合は室外機を停止させると共
に、レタン空気温度が高くなるに従って全熱交換器の回
転数を定格運転から減速させまたは停止させて導入外気
温度を降下させることにより室温保持を図る自動運転を
行なわせ、 全熱交換器の自動運転中であって、空気調和機の冷房運
転中のレタン空気湿度が設定湿度より低い場合と空気調
和機の暖房運転中は循環風量全てをコイルに通過させ、
空気調和機の冷房運転中のレタン湿度が設定湿度より高
い場合は循環風量のうちコイル通過風量を制限すると共
に、コイル通過風量を制限中であって全熱交換器を回転
数制御運転中におけるレタン空気の絶対湿度が外気の絶
対湿度より低い場合のみ全熱交換器を定格運転して湿分
流入の制限を行わせることを特徴とした遊技場における
空気調和機の省エネルギー制御方法。1. A rotary total heat exchanger is connected to an air conditioner in a game arcade to perform energy saving operation during air conditioning,
A control method for causing an air conditioner to perform an energy-saving operation from a start-up operation to an air-conditioning operation, wherein the indoor unit of the air conditioner is operated in a non-ventilated state, and a comparison is made between a ethane air temperature and an indoor set temperature. After being set to the cooling or heating operation, the start-up operation to automatically operate the outdoor unit is performed, and the outside air is taken in after the start-up operation of the air conditioner is completed,
After comparing the outside air temperature with a predetermined cooling / heating switching set temperature and setting the cooling or heating operation, the air conditioning operation for automatically operating the outdoor unit is performed until the ethane air temperature reaches the indoor set temperature. In the cooling operation mode of the air conditioner, when the outside air enthalpy is higher than the ethane air enthalpy, the outdoor unit is automatically operated and the total heat exchanger is operated at the rated speed, and the outside air enthalpy is lower than the ethane air enthalpy. The outdoor unit is automatically operated when the temperature of the retan air is near the indoor set temperature or higher than the indoor set temperature, and it is set to avoid simultaneous operation of heat recovery operation by the total heat exchanger and cooling operation of the air conditioner. The offset value is subtracted from the indoor set temperature and the control value obtained from the retane air temperature to stop the total heat exchanger and turn off the external heat. When the cooling air is used effectively and the temperature of the tan air is lower than the indoor set temperature, the outdoor unit is stopped and the rotation speed of the total heat exchanger is increased from the stop as the temperature of the tan air becomes lower. Automatic operation for maintaining the room temperature by increasing the temperature is performed, and when the air conditioner is in the heating operation mode and the ethane air temperature is near the indoor set temperature and lower than the indoor set temperature, the outdoor unit is automatically operated. With the control value obtained by adding the offset value determined to avoid simultaneous operation of the outdoor air cooling operation by the total heat exchanger and the heating operation of the air conditioner to the indoor set temperature and the retan temperature. Perform the rated operation of the total heat exchanger, stop the outdoor unit when the temperature of the ethane air exceeds the set temperature in the room, and increase the temperature of the ethane air as the temperature of the ethane air increases. In the automatic operation of the total heat exchanger during the automatic operation of the total heat exchanger, the automatic operation for maintaining the room temperature is performed by reducing or stopping the rotation speed of the total heat exchanger from the rated operation and lowering the introduced outside air temperature. When the humidity of the retin air during the cooling operation of the air conditioner is lower than the set humidity and during the heating operation of the air conditioner, all the circulating air volume is passed through the coil,
When the air humidity of the air conditioner during the cooling operation is higher than the set humidity, the air flow through the coil among the circulating air flow is restricted, and the air flow through the heat exchanger while the air flow through the coil is being restricted and the total heat exchanger is in the rotation control operation is controlled. An energy-saving control method for an air conditioner in a game hall, wherein the total heat exchanger is operated at a rated rate to restrict the inflow of moisture only when the absolute humidity of air is lower than the absolute humidity of the outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5208960A JP2668637B2 (en) | 1993-07-31 | 1993-07-31 | Energy saving control method of air conditioner in amusement arcade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5208960A JP2668637B2 (en) | 1993-07-31 | 1993-07-31 | Energy saving control method of air conditioner in amusement arcade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0742990A JPH0742990A (en) | 1995-02-10 |
| JP2668637B2 true JP2668637B2 (en) | 1997-10-27 |
Family
ID=16565007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5208960A Expired - Fee Related JP2668637B2 (en) | 1993-07-31 | 1993-07-31 | Energy saving control method of air conditioner in amusement arcade |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2668637B2 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3165402B2 (en) * | 1997-10-03 | 2001-05-14 | エヌケイエス株式会社 | Air-conditioning control device, air-conditioning system, discomfort degree calculating device, and recording medium |
| JPH11159843A (en) * | 1997-11-28 | 1999-06-15 | Matsushita Electric Ind Co Ltd | Outer air temperature indicating/controlling method for air conditioner |
| CA2349970A1 (en) | 2001-05-31 | 2002-11-30 | Martin Gagnon | Ventilation method and device |
| CA2454056C (en) * | 2003-12-23 | 2010-05-25 | Venmar Ventilation Inc. | Pressure equilizing system |
| JP2010063947A (en) * | 2008-09-08 | 2010-03-25 | Daikin Ind Ltd | Air cleaner |
| JP5384169B2 (en) * | 2009-03-31 | 2014-01-08 | 三洋電機株式会社 | Air conditioner |
| CN102221255A (en) * | 2010-04-16 | 2011-10-19 | 必成玻璃纤维(昆山)有限公司 | Processing air conditioner |
| TW201541030A (en) * | 2014-03-05 | 2015-11-01 | Ebara Jitsugyo Co Ltd | Air conditioning system and air conditioning method |
| JP6779653B2 (en) * | 2016-04-21 | 2020-11-04 | 株式会社テクノ菱和 | Outside air processing system, control device and control method of outside air processing system |
| WO2018056191A1 (en) * | 2016-09-26 | 2018-03-29 | パナソニックＩｐマネジメント株式会社 | Heat exchange-type ventilation device |
| WO2020003446A1 (en) * | 2018-06-28 | 2020-01-02 | 三菱電機株式会社 | Air conditioning device |
| CN109595732A (en) * | 2018-12-10 | 2019-04-09 | 江苏致远高科能源科技有限公司 | A kind of depth dehumidifying energy-saving fresh air unit |
| KR102410128B1 (en) * | 2022-03-23 | 2022-06-22 | 서번산업엔지니어링 주식회사 | Rotor heat exchanger control method of energy-saving air conditioning system |
-
1993
- 1993-07-31 JP JP5208960A patent/JP2668637B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0742990A (en) | 1995-02-10 |
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