JP2002071184A - Ventilating air conditioning method and system thereof - Google Patents
Ventilating air conditioning method and system thereofInfo
- Publication number
- JP2002071184A JP2002071184A JP2000258750A JP2000258750A JP2002071184A JP 2002071184 A JP2002071184 A JP 2002071184A JP 2000258750 A JP2000258750 A JP 2000258750A JP 2000258750 A JP2000258750 A JP 2000258750A JP 2002071184 A JP2002071184 A JP 2002071184A
- Authority
- JP
- Japan
- Prior art keywords
- air
- room
- ventilation
- indoor
- outdoor
- 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
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
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0006—Control or safety arrangements for ventilation using low temperature external supply air to assist cooling
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、熱交換器を通じて
給排気による熱交換換気と、熱交換を伴わない普通換気
とを行うことができる換気機能を果たす換気装置と、室
内空気を熱加工する空調機能を果たす空調装置とによる
換気空調方法及び換気空調システムに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator having a ventilation function capable of performing heat exchange ventilation by supply and exhaust through a heat exchanger and ordinary ventilation without heat exchange, and heat-processes indoor air. The present invention relates to a ventilation air conditioning method and a ventilation air conditioning system using an air conditioner that performs an air conditioning function.
【０００２】[0002]
【従来の技術】熱交換換気機能を持つ換気装置は、一次
気流である排気流を通す複数の一次通路と、二次気流で
ある給気流を通す複数の二次通路とが内部で独立状態の
まま交差した六面体で積層構造の熱交換器が組込まれて
いるものが多い。基本的には、六面体の箱型に構成され
た本体ケーシングの中央に、熱交換器が一次通路と二次
通路の開口する面同士により形成される四箇所の稜角部
を上下と左右に向けて横向き状態に組込んだ構成が採ら
れている。本体ケーシング内には熱交換器の一次通路を
経路の一部とする排気通風路と、熱交換器の二次通路を
経路の一部とする給気通風路とが全経路にわたり独立状
態に画成されている。2. Description of the Related Art In a ventilator having a heat exchange ventilation function, a plurality of primary passages for passing an exhaust flow as a primary airflow and a plurality of secondary passages for supplying a supply airflow as a secondary airflow are internally independent. Many of the hexahedrons that intersect as-is and incorporate a laminated heat exchanger. Basically, in the center of the main body casing formed in a hexahedral box shape, the heat exchanger turns the four corners formed by the surfaces where the primary passage and the secondary passage are opened up and down and left and right. The structure which incorporated in the sideways state is taken. In the main body casing, an exhaust ventilation path with the primary path of the heat exchanger as a part of the path and an air supply path with the secondary path of the heat exchanger as a part of the path are formed independently over the entire path. Has been established.
【０００３】熱交換器の左右には排気ファンと給気ファ
ンが組込まれ、排気ファンにより排気通風路に室内空気
による排気流が、給気ファンにより給気通風路に外気に
よる給気流が形成される。そして、熱交換器の側部に
は、熱交換器を迂回するバイパス通風路が設けられ、切
換ダンパの開放によりバイパス通風路を通じて排気流を
流し熱交換を伴わない普通換気も実施できるようになっ
ている。An exhaust fan and an air supply fan are incorporated on the left and right sides of the heat exchanger. The exhaust fan forms an exhaust air flow from the room air in the exhaust air passage, and the air supply fan forms an air flow from the outside air in the air supply air passage. You. A bypass ventilation path bypassing the heat exchanger is provided on the side of the heat exchanger. By opening the switching damper, the exhaust air flows through the bypass ventilation path to enable ordinary ventilation without heat exchange. ing.
【０００４】また、室内空気を熱加工する空調機能を果
たす空調装置は、熱媒を循環させる熱交換器と、室内の
空気を、熱交換器を通じて循環させる循環用送風機を備
えている。こうした換気装置或いは通常の給気による換
気装置と空調装置を一つの室に設置して連動させ換気空
調システムとして、当該室内を快適性の高い雰囲気にす
る技術が提唱されてきている。例えば、特開２０００―
１２１１３２号公報には、室温を検出する室温検出手段
と外気温を検出する外気温検出手段を設け、室内外の温
度関係により外気の取入れ制御を行う外気取入れ手段を
備えた空気調和装置が示されている。この空気調和装置
では、冷房運転時には室内温温度より外気温度が高い場
合には外気の取入れを抑え、暖房運転時には室内温度よ
り外気温度が低い場合には外気の取入れを抑えることに
より、熱負荷の増大を抑えた外気の取入れが可能にな
る。熱交換機能を持つ換気装置の熱交換換気と普通換気
の切換えについては、特開平９―１７８２４１号公報
に、空調装置の持つ情報を利用して自動的に行う運転制
御技術が示されている。[0004] An air conditioner which performs an air conditioning function for thermally processing indoor air is provided with a heat exchanger for circulating a heat medium and a circulating blower for circulating room air through the heat exchanger. A technique has been proposed in which such a ventilation device or a ventilation device using ordinary air supply and an air conditioning device are installed in one room and linked to each other to provide a highly comfortable atmosphere in the room as a ventilation air conditioning system. For example, JP 2000-
Japanese Patent Application Laid-Open No. 121132 discloses an air conditioner provided with room temperature detecting means for detecting room temperature and external air temperature detecting means for detecting an outside air temperature, and having outside air intake means for controlling the intake of outside air according to the temperature relationship between the inside and outside of the room. ing. This air conditioner suppresses the intake of outside air when the outside air temperature is higher than the indoor temperature during the cooling operation, and suppresses the intake of outside air when the outside air temperature is lower than the indoor temperature during the heating operation, thereby reducing the heat load. It is possible to take in outside air with a suppressed increase. As for switching between heat exchange ventilation and normal ventilation of a ventilation device having a heat exchange function, Japanese Patent Application Laid-Open No. 9-178241 discloses an operation control technique for automatically performing the operation by using information of an air conditioner.
【０００５】これは、図６に示すように熱交換換気装置
５０と空調装置５１をモニター回線５２で接続し、空調
装置５１の冷房及び暖房の運転信号や室内温度設定信号
を制御情報として利用し、コントローラ５３によって熱
交換換気と普通換気の切換えを自動的に行うものであ
る。熱交換換気装置５０自体にも、室内側吸込口から吸
込まれる室内気の温度を検出する室内気温度検出器５４
と、室外側吸込口から吸込まれる外気の温度を検出する
外気温度検出器５５が備えられ、空調装置５１から得ら
れる情報と、室内気温度検出器５４と外気温度検出器５
５から得られる温度情報から、省エネルギー性と快適性
を得るべく熱交換換気と普通換気の切換えが行われる。As shown in FIG. 6, a heat exchange ventilator 50 and an air conditioner 51 are connected by a monitor line 52, and a cooling and heating operation signal and an indoor temperature setting signal of the air conditioner 51 are used as control information. The controller 53 automatically switches between heat exchange ventilation and normal ventilation. The indoor air temperature detector 54 for detecting the temperature of the indoor air sucked from the indoor air inlet is also provided in the heat exchange ventilator 50 itself.
And an outside air temperature detector 55 for detecting the temperature of the outside air sucked from the outdoor outside suction port. The information obtained from the air conditioner 51 and the room air temperature detector 54 and the outside air temperature detector 5 are provided.
From the temperature information obtained from 5, the switching between heat exchange ventilation and ordinary ventilation is performed to obtain energy saving and comfort.
【０００６】[0006]
【発明が解決しようとする課題】換気と空調とに拘わる
換気空調という技術分野において、上記した従来の殆ど
の技術は室内温度と外気温度といった温度を制御動作の
判断材料としている。熱はエネルギーの一形態であり、
強さを示す因子である温度だけで熱を測り、これに基づ
いて制御しても快適性と省エネルギー性を発揮できない
ことがある。例えば、室外温度が室内温度より低くて
も、湿度が室外の方が室内より高ければ、外気の導入に
より冷房負荷は増大してしまうことになる。In the technical field of ventilation and air conditioning related to ventilation and air conditioning, most of the above-mentioned conventional technologies use temperatures such as the indoor temperature and the outside air temperature as judgment materials for the control operation. Heat is a form of energy,
Even if the heat is measured only at the temperature which is a factor indicating the strength, and the control is performed based on the measured temperature, the comfort and the energy saving may not be exhibited. For example, even if the outdoor temperature is lower than the indoor temperature, if the humidity is higher outside the room than inside the room, the cooling load increases due to the introduction of the outside air.
【０００７】また、熱交換換気機能を備えた換気装置と
空調装置との連繋による換気空調システムでは、熱交換
せずに外気を取入れた方が効率よく室内を冷房（外気冷
房）できたりするが、温度だけで熱を測る仕方では、例
えば夏季の朝夕等の場合であっても、有効な換気運転を
行うことが難しく、状況によっては省エネルギー性や快
適性が得られないといったことが起きる。In a ventilating air-conditioning system in which a ventilation device having a heat-exchange ventilation function and an air-conditioning device are connected, it is possible to efficiently cool the room (external air cooling) by taking in outside air without exchanging heat. In a method of measuring heat only by temperature, for example, even in the case of morning and evening in summer, it is difficult to perform effective ventilation operation, and depending on the situation, energy saving and comfort may not be obtained.
【０００８】本発明は上記した従来の問題点を解消する
ためになされたものであって、その課題とするところ
は、省エネルギー性と快適性の得られる換気空調方法を
開発することであり、省エネルギー性と快適性の得られ
る換気空調システムを開発することである。The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to develop a ventilation and air-conditioning method capable of obtaining energy saving and comfort. The purpose is to develop a ventilation and air conditioning system that can provide comfort and comfort.
【０００９】[0009]
【課題を解決するための手段】前記課題を達成するため
に請求項１の発明は、室内に取入れる外気と、同室内か
ら室外へ排気する室内気とを熱交換器を通して熱交換さ
せて換気する熱交換換気と、熱交換を伴わない普通換気
とを行うことができる換気装置と、同室内の空気を循環
させ室内を空調雰囲気にすることができる空調装置と
を、換気装置の室内へ取入れる外気が空調装置の室内気
の吸込側に向うように配置して換気機能と空調機能が関
連性を持つ換気空調手段を構成し、この換気空調手段
を、室外温度と室外湿度とから算出した室外空気エンタ
ルピーと、室内温度と室内湿度とから算出した室内空気
エンタルピーとにより、熱交換換気と普通換気の運転を
制御する手段を採用する。Means for Solving the Problems To achieve the above object, the invention of claim 1 provides a ventilation system by exchanging heat between outside air taken into a room and room air exhausted from the room to the outside through a heat exchanger. A ventilation device that can perform heat exchange ventilation that performs heat exchange and ordinary ventilation that does not involve heat exchange, and an air conditioning device that can circulate air in the room to create an air-conditioned atmosphere in the room The ventilation air-conditioning means having the relevance between the ventilation function and the air-conditioning function is arranged by arranging the outside air to be directed toward the indoor air suction side of the air conditioner, and the ventilation air-conditioning means is calculated from the outdoor temperature and the outdoor humidity. Means for controlling the operation of heat exchange ventilation and ordinary ventilation based on the outdoor air enthalpy and the indoor air enthalpy calculated from the indoor temperature and the indoor humidity is adopted.
【００１０】前記課題を達成するために請求項２の発明
は、室内に取入れる外気と、同室内から室外へ排気する
室内気とを熱交換器を通して熱交換させて換気する熱交
換換気と、熱交換を伴わない普通換気とを行うことがで
きる換気装置と、同室内の空気を循環させ室内を空調雰
囲気にすることができる空調装置とを、換気装置の室内
へ取入れる外気が空調装置の室内気の吸込側に向うよう
に配置して換気機能と空調機能が関連性を持つ換気空調
手段を構成し、この換気空調手段を制御手段により、室
外温度と室外湿度とから室外空気エンタルピーと、室内
温度と室内湿度とから室内空気エンタルピーとを算出
し、空調装置の冷房運転に際しては室外空気エンタルピ
ーが室内空気エンタルピーより低い場合には、換気装置
を普通換気で運転させ、室内に取入れる外気を空調装置
で除湿冷却して室内に送風させるように制御する手段を
採用する。In order to achieve the above object, a second aspect of the present invention is to provide a heat exchange ventilator for exchanging heat between an outside air taken into a room and room air exhausted from the room to the outside through a heat exchanger, A ventilator that can perform normal ventilation without heat exchange and an air conditioner that circulates air in the same room to create an air-conditioned atmosphere in the room Ventilation air-conditioning means having ventilation function and air-conditioning function are arranged so as to face the suction side of room air, and this ventilation air-conditioning means is controlled by the outdoor temperature and outdoor humidity from the outdoor air enthalpy, The indoor air enthalpy is calculated from the indoor temperature and the indoor humidity.If the outdoor air enthalpy is lower than the indoor air enthalpy during the cooling operation of the air conditioner, the ventilator is operated with normal ventilation. , Employing a means for controlling so as to blow into the room to outside air incorporated into the room and dehumidification cooling in the air conditioner.
【００１１】前記課題を達成するために請求項３の発明
は、室内に取入れる外気と、同室内から室外へ排気する
室内気とを熱交換器を通して熱交換させて換気する熱交
換換気と、熱交換を伴わない普通換気とを行うことがで
きる換気装置と、同室内の空気を循環させ室内を空調雰
囲気にすることができる空調装置とを、換気装置の室内
へ取入れる外気が空調装置の室内気の吸込側に向うよう
に配置して換気機能と空調機能が関連性を持つ換気空調
手段を構成し、この換気空調手段を制御手段により、室
外温度と室外湿度とから室外空気エンタルピーと、室内
温度と室内湿度とから室内空気エンタルピーとを算出
し、空調装置の冷房運転に際しては室外空気エンタルピ
ーが室内空気エンタルピーより低い場合には、換気装置
を普通換気で運転させ、室内に取入れる外気を空調装置
で除湿冷却して室内に送風させるようにし、室外空気エ
ンタルピーが室内空気エンタルピーより高い場合には、
換気装置を熱交換換気で運転させ、室内に取入れる外気
を空調装置で除湿冷却して室内に送風させるように制御
する手段を採用する。In order to achieve the above object, the invention according to claim 3 provides a heat exchange ventilator for exchanging heat by exchanging heat between outside air taken into a room and room air exhausted from the room to the outside through a heat exchanger; A ventilator that can perform normal ventilation without heat exchange and an air conditioner that circulates air in the same room to create an air-conditioned atmosphere in the room Ventilation air-conditioning means having ventilation function and air-conditioning function are arranged so as to face the suction side of room air, and this ventilation air-conditioning means is controlled by the outdoor temperature and outdoor humidity from the outdoor air enthalpy, The indoor air enthalpy is calculated from the indoor temperature and the indoor humidity.If the outdoor air enthalpy is lower than the indoor air enthalpy during the cooling operation of the air conditioner, the ventilator is operated with normal ventilation. , So as to blow into the room to outside air incorporated into the room and dehumidification cooling in the air conditioner, when the outdoor air enthalpy is higher than the indoor air enthalpy,
Means is employed in which the ventilation device is operated by heat exchange ventilation, and the outside air taken into the room is controlled to be dehumidified and cooled by the air conditioner and blown into the room.
【００１２】前記課題を達成するために請求項４の発明
は、請求項２又は請求項３のいずれかに係る前記手段に
おける制御回路により、室外空気エンタルピーが室内空
気エンタルピーより低く、しかも室内温度＞設定温度＞
室外温度のときは空調装置を送風運転とする制御を行う
ようにする手段を採用する。According to a fourth aspect of the present invention, there is provided a control circuit according to the second or third aspect, wherein the outdoor air enthalpy is lower than the indoor air enthalpy and the indoor temperature> Set temperature>
At the time of the outdoor temperature, means for controlling the air conditioner to be in the air blowing operation is employed.
【００１３】前記課題を達成するために請求項５の発明
は、請求項２〜請求項４までのいずれかに係る前記手段
における制御回路により、空調装置の暖房運転に際し外
気温度が室内温度より低い場合には、換気装置を熱交換
換気で運転させ、その室内に取入れる外気を空調装置で
昇温して室内に送風させるように制御する手段を採用す
る。According to a fifth aspect of the present invention, in order to achieve the above object, the control circuit in the means according to any one of the second to fourth aspects allows the outside air temperature to be lower than the room temperature during the heating operation of the air conditioner. In this case, a means is employed in which the ventilation device is operated by heat exchange ventilation, and the temperature of the outside air taken into the room is raised by the air conditioner to be blown into the room.
【００１４】[0014]
【発明の実施の形態】図１〜図４は本実施の形態の換気
空調システムについて示したものであり、図５は制御動
作を示したものである。この換気空調システムのシステ
ム構成は、図１〜図３に示すように、熱交換器１を備え
た熱交換換気装置２と、室内空気を熱加工し室内を空調
雰囲気（冷房又は暖房雰囲気）にする空調機能を果たす
空調装置３とを信号線４で結び連繋させたものとなって
いる。熱交換換気装置２は、図３に示すように本体箱体
５に熱交換器１と、排気ファン６と給気ファン７とが組
込まれて構成されている。熱交換器１は空気対空気での
熱交換を行うもので、一次気流（排気流）を通す複数の
直線状の一次通路と二次気流（給気流）を通す複数の直
線状の二次通路とが内部で独立状態のまま交差し、一次
通路の出入口端が対向する二面に開口し、二次通路の出
入口端が他の対向する二面に開口し、両小口が閉止した
六面体に構成されている。1 to 4 show a ventilation and air-conditioning system according to this embodiment, and FIG. 5 shows a control operation. As shown in FIG. 1 to FIG. 3, the system configuration of this ventilation air conditioning system includes a heat exchange ventilator 2 provided with a heat exchanger 1, and heat processing of indoor air to make the room an air-conditioned atmosphere (cooling or heating atmosphere). And an air conditioner 3 which performs an air conditioning function to be connected by a signal line 4. As shown in FIG. 3, the heat exchange ventilator 2 is configured by incorporating a heat exchanger 1, an exhaust fan 6, and an air supply fan 7 into a main body box 5. The heat exchanger 1 performs air-to-air heat exchange, and includes a plurality of linear primary passages for passing a primary airflow (exhaust flow) and a plurality of linear secondary passages for passing a secondary airflow (supply airflow). And cross each other in an independent state inside, the entrance and exit end of the primary passage is open on two opposing surfaces, the entrance and exit end of the secondary passage is open on the other two opposing surfaces, and both edges are closed to form a hexahedron Have been.
【００１５】本体箱体５は室内側面の開放した箱型に構
成され、その内部のほぼ中央部に熱交換器１が着脱可能
に組込まれている。本体箱体５内には熱交換器１の一次
通路を経路の一部とする排気通風路と、熱交換器１の二
次通路を経路の一部とする給気通風路とが全経路にわた
り互いに離隔して構成されている。給気ファン７は給気
通風路の一部に、排気ファン６は排気通風路の一部に組
込まれている。本体箱体５の室内側面の開放部には着脱
可能な化粧パネル８が装着されている。The main body box 5 is formed in a box shape having an open side surface in the room, and the heat exchanger 1 is removably incorporated at a substantially central portion of the inside thereof. In the main body box 5, an exhaust ventilation path having a primary path of the heat exchanger 1 as a part of the path and an air supply ventilation path having a secondary path of the heat exchanger 1 as a part of the path extend over the entire path. They are configured to be separated from each other. The air supply fan 7 is incorporated in a part of the air supply passage, and the exhaust fan 6 is incorporated in a part of the exhaust air passage. A detachable decorative panel 8 is attached to an open portion on the indoor side surface of the main body box 5.
【００１６】排気通風路は、本体箱体５に装着された化
粧パネル８の片側に開口された室内吸込口９を入口端と
し、熱交換器１の一次通路を経て排気ファン６の吸込口
から吹出口に向い、室外に臨む室外吹出口を出口端とす
る一連の通路である。給気通風路は、本体箱体５の一側
に開口された室外吸込口を入口端とし、熱交換器１の二
次通路を経て給気ファン７の吸込口から吹出口に向い、
化粧パネル８の室内吸込口９の反対側に開口された室内
吹出口１０を出口端とする一連の通路である。室外吸込
口及び室外吹出口はそれぞれ室外（多くは屋外）に連絡
される。The exhaust ventilation passage has an indoor suction port 9 opened on one side of the decorative panel 8 attached to the main body box 5 as an inlet end, and passes through a primary passage of the heat exchanger 1 from a suction port of the exhaust fan 6. A series of passages facing the air outlet and having an outdoor air outlet facing the outdoor as an outlet end. The air supply passage has an outdoor suction opening opened on one side of the main body box 5 as an inlet end, and passes from a suction opening of the air supply fan 7 to a blow outlet through a secondary passage of the heat exchanger 1,
This is a series of passages having an indoor outlet 10 opened on the opposite side of the indoor inlet 9 of the decorative panel 8 as an outlet end. The outdoor suction port and the outdoor air outlet are each connected to the outside (often outdoors).
【００１７】排気通風路にはその熱交換器１より上流側
で分岐し、熱交換器１を迂回して室外へ連絡するバイパ
ス通風路（図示しない）が設けられている。このバイパ
ス通風路には通常においてはこれを閉止している切換ダ
ンパ（図示しない）が設けられ、この切換ダンパがギヤ
ードモーター等により駆動されて開放されることによ
り、熱交換器１を迂回する排気流の流れが形成され、熱
交換を伴わない普通換気を行うことができる。バイパス
通風路が閉止されていれば、給気流と排気流とは熱交換
器１を通過し、連続的な熱交換を伴う熱交換換気が行わ
れる。The exhaust ventilation passage is provided with a bypass ventilation passage (not shown) that branches off upstream of the heat exchanger 1 and bypasses the heat exchanger 1 to communicate with the outside. A switching damper (not shown) that normally closes the bypass ventilation path is provided, and this switching damper is driven and opened by a geared motor or the like, so that exhaust gas bypassing the heat exchanger 1 is opened. A flow stream is formed and normal ventilation without heat exchange can be performed. If the bypass ventilation passage is closed, the supply air flow and the exhaust air flow pass through the heat exchanger 1, and heat exchange ventilation with continuous heat exchange is performed.
【００１８】切換ダンパ及び給気ファン７並びに排気フ
ァン６は、熱交換換気装置２の運転を制御するＣＰＵを
含む制御回路１１により制御され、熱交換換気とバイパ
ス通風路による普通換気とが選択的に行われ、省エネル
ギー性と快適性が得られるようになっている。制御回路
１１には、室外吸込口から吸込まれる熱交換器１を通過
する以前の室外気の温度を検出する室外温度検出手段１
２と、室外吸込口から吸込まれる熱交換器１を通過する
以前の室外気の湿度を検出する室外湿度検出手段１３と
が信号線４を介して接続されている。The switching damper, the air supply fan 7 and the exhaust fan 6 are controlled by a control circuit 11 including a CPU for controlling the operation of the heat exchange ventilator 2, so that heat exchange ventilation and ordinary ventilation through a bypass ventilation path are selectively performed. And energy saving and comfort are obtained. The control circuit 11 includes an outdoor temperature detecting means 1 for detecting the temperature of outdoor air before passing through the heat exchanger 1 sucked from the outdoor suction port.
2 and an outdoor humidity detecting means 13 for detecting the humidity of outdoor air before passing through the heat exchanger 1 sucked from the outdoor suction port, are connected via a signal line 4.
【００１９】空調装置３は、室内空気を熱加工し室内を
空調雰囲気にする空調機能を備え、図３に示すように熱
媒を循環させる熱交換器１４と、室内空気を、熱交換器
１４を通じて循環させる循環用送風機１５を備えてい
る。循環用送風機１５及び熱媒循環系統は、空調装置３
の運転を制御する制御回路１６により冷房／暖房の切換
えや、設定温度を目標値とする運転制御が行われる。こ
の制御回路１６には、吸込口１７から吸込まれる熱交換
器１４を通過する以前の室内空気の温度を検出する室内
温度検出手段１８と、吸込口１７から吸込まれる熱交換
器１４を通過する以前の室内空気の湿度を検出する室内
湿度検出手段１９とが信号線４を介して接続されてい
る。熱交換換気装置２と空調装置３は、熱交換換気装置
２の室内へ取入れる外気が空調装置３の室内気の吸込口
１７側に向うように近接して配置され、換気機能と空調
機能が関連性を持つ換気空調手段が構成される。空調装
置３の制御回路１６と熱交換換気装置２の制御回路１１
間も信号線４で接続され、信号のやりとりが可能になっ
ている。The air conditioner 3 is provided with an air conditioning function for subjecting the room air to heat processing to make the room an air-conditioned atmosphere. As shown in FIG. A circulation blower 15 that circulates through the air is provided. The circulation blower 15 and the heat medium circulation system are
Switching between cooling and heating and operation control with the set temperature as a target value are performed by a control circuit 16 that controls the operation of the apparatus. The control circuit 16 includes an indoor temperature detecting means 18 for detecting the temperature of the indoor air before passing through the heat exchanger 14 sucked through the suction port 17 and passing through the heat exchanger 14 sucked through the suction port 17. The indoor humidity detecting means 19 for detecting the humidity of the indoor air before the operation is connected via the signal line 4. The heat exchange ventilator 2 and the air conditioner 3 are arranged close to each other so that the outside air taken into the room of the heat exchange ventilator 2 is directed to the room air inlet 17 side of the air conditioner 3. Relevant ventilation and air conditioning means are configured. The control circuit 16 of the air conditioner 3 and the control circuit 11 of the heat exchange ventilator 2
The connection between them is also made by a signal line 4 so that signals can be exchanged.
【００２０】熱交換換気装置２は、独自に熱交換換気運
転や普通換気運転を行うことができ、空調装置３も独自
に冷暖房運転を行うことができるが、換気空調手段とし
ての連繋モードでは、熱交換換気装置２の制御回路１１
は、冷房運転時について図５のフローチャートにより示
す動作によって換気空調手段の運転を制御する。なお、
図５のフローチャートは冷房設定時のプログラムに特化
して表記している。The heat exchange ventilator 2 can independently perform a heat exchange ventilation operation and a normal ventilation operation, and the air conditioner 3 can also independently perform a cooling and heating operation. Control circuit 11 of heat exchange ventilator 2
Controls the operation of the ventilation air-conditioning unit by the operation shown in the flowchart of FIG. 5 during the cooling operation. In addition,
The flowchart of FIG. 5 is specifically described for the program at the time of cooling setting.
【００２１】図５のフローチャートにおけるステップ♯
１では、室内温度検出手段１８と室内湿度検出手段１９
の検出値である室内温度Ｔ１と室内湿度Ｈ１とを信号線
４を介して空調装置３側から取込み、ステップ♯２にお
いて室内温度Ｔ１と室内湿度Ｈ１から湿り空気線図に基
づいて室内空気のエネルギーの量を表す室内空気エンタ
ルピーｈ1を算出する。そしてステップ♯３においては
室外温度検出手段１２と室外湿度検出手段１３の検出値
である室外温度Ｔ２と室外湿度Ｈ２とを取込み、ステッ
プ♯４において室外温度Ｔ２と室外湿度Ｈ２から湿り空
気線図に基づいて室外空気のエネルギーの量を表す室外
空気エンタルピーｈ２を算出し、ステップ♯５へ進む。
ステップ♯５では室内空気エンタルピーｈ１が室外空気
エンタルピーｈ２より大きいかどうかを判定する。室内
空気エンタルピーｈ１が室外空気エンタルピーｈ２より
大きければステップ♯６に進み、ステップ♯６で外気の
導入のみで冷房が可能かどうかを判定する。この判定
は、室内温度Ｔ１＞設定温度＞室外温度Ｔ２の条件を満
たすかどうかの判定である。Step 2 in the flowchart of FIG.
1, the indoor temperature detecting means 18 and the indoor humidity detecting means 19
The indoor temperature T1 and the indoor humidity H1, which are the detected values of the indoor air, are fetched from the air conditioner 3 via the signal line 4 and the energy of the indoor air is obtained from the indoor temperature T1 and the indoor humidity H1 based on the humid air chart in step # 2. Is calculated. Then, in step # 3, the outdoor temperature T2 and the outdoor humidity H2, which are the detection values of the outdoor temperature detecting means 12 and the outdoor humidity detecting means 13, are taken. The outdoor air enthalpy h2 indicating the amount of energy of the outdoor air is calculated based on the calculated value, and the process proceeds to step # 5.
In step # 5, it is determined whether or not the indoor air enthalpy h1 is larger than the outdoor air enthalpy h2. If the indoor air enthalpy h1 is larger than the outdoor air enthalpy h2, the process proceeds to step # 6, and in step # 6, it is determined whether cooling is possible only by introducing outside air. This determination is for determining whether or not the condition of indoor temperature T1> set temperature> outdoor temperature T2 is satisfied.
【００２２】ステップ♯５で室内空気エンタルピーｈ１
が室外空気エンタルピーｈ２より大きくなければ、室外
空気のエネルギーの量が室内空気のエネルギーの量より
大きく、外気の導入による冷房は不向きであるとしてス
テップ♯７で換気運転が必要かどうかを判定する。ここ
での判定は室内空気の汚れの度合い等、室内空気や室外
空気のエネルギーの量とは異なる基準で判定する。ステ
ップ♯６で室内温度Ｔ１＞設定温度＞室外温度Ｔ２であ
れば、ステップ♯８において空調装置３についてはその
循環用送風機１５を運転させ、熱媒循環は停止させ、熱
交換換気装置２については熱交換を伴わない普通換気運
転をする処理を行いステップ♯１２に進む。これによ
り、室内へ外気が熱交換換気装置２の室内吹出口１０か
ら室内へ吹出され、空調装置３の吸込口１７から吸込ま
れ、なにも加工しないで吹出口から室内へ吹出される。
室内へ吹出された外気は循環用送風機１５により室内を
循環し、室内を外気の導入により自然冷房する。In step # 5, the indoor air enthalpy h1
If is not larger than the outdoor air enthalpy h2, it is determined that the amount of energy of the outdoor air is larger than the amount of energy of the indoor air, and the cooling by the introduction of the outside air is not suitable, and it is determined in step # 7 whether the ventilation operation is necessary. The determination here is based on a standard different from the amount of energy of the indoor air and the outdoor air, such as the degree of contamination of the indoor air. If indoor temperature T1> set temperature> outdoor temperature T2 in step # 6, in step # 8, the air blower 15 for the air conditioner 3 is operated, the heat medium circulation is stopped, and the heat exchange ventilator 2 is operated. A process for performing a normal ventilation operation without heat exchange is performed, and the process proceeds to step # 12. As a result, outside air is blown into the room from the indoor outlet 10 of the heat exchange ventilator 2 into the room, is drawn in from the inlet 17 of the air conditioner 3, and is blown into the room from the outlet without any processing.
The outside air blown into the room is circulated in the room by the circulation blower 15, and the room is naturally cooled by introducing the outside air.
【００２３】そしてステップ♯１２で設定温度＞室内温
度Ｔ１かどうかの判定を行い設定温度＞室内温度Ｔ１で
あればステップ♯１３で換気空調手段を停止させる処理
を行い、そうでなければステップ♯１の処理に戻る。ス
テップ♯６で外気の導入冷房が可能でないとき、即ち、
外気の導入だけでは設定温度に室内温度Ｔ１を近づける
ことが無理なときは、ステップ♯９において、空調装置
３については冷房運転をさせ、熱交換換気装置２につい
ては熱交換を伴わない普通換気運転をする処理を行いス
テップ♯１２に進む。これにより、室内へ外気が熱交換
換気装置２の室内吹出口１０から室内へ吹出され、空調
装置３の吸込口１７から吸込まれ、熱交換器１４を通過
することにより除湿され冷却されて吹出口から室内へ吹
出される。室内へ吹出された除湿され冷却された外気は
循環用送風機１５により室内を循環し、室内を外気の導
入と空調装置３の加工により冷房雰囲気にする。Then, in step # 12, it is determined whether or not the set temperature> the indoor temperature T1. If the set temperature> the indoor temperature T1, the process for stopping the ventilation / air-conditioning means is performed in a step # 13. Return to the processing of. When it is not possible to introduce and cool the outside air in step # 6, that is,
If it is not possible to bring the indoor temperature T1 close to the set temperature only by introducing the outside air, in step # 9, the air conditioner 3 is operated in the cooling mode, and the heat exchange ventilator 2 is operated in the normal ventilation mode without heat exchange. And the process proceeds to step # 12. As a result, outside air is blown into the room from the indoor outlet 10 of the heat exchange ventilator 2 into the room, is drawn in from the inlet 17 of the air conditioner 3, passes through the heat exchanger 14, is dehumidified and cooled, and is blown out. From the room. The dehumidified and cooled outside air blown into the room is circulated in the room by the circulation blower 15, and the room is brought into a cooling atmosphere by introducing the outside air and processing the air conditioner 3.
【００２４】ステップ♯７で換気運転が必要と判定すれ
ば、ステップ♯１０において、空調装置３については冷
房運転をさせ、熱交換換気装置２については熱交換を伴
う熱交換換気運転をする処理を行いステップ♯１２に進
む。これにより、室内へ排気流との間で熱交換され、熱
回収した外気が熱交換換気装置２の室内吹出口１０から
室内へ吹出され、空調装置３の吸込口１７から吸込ま
れ、熱交換器１４を通過することにより除湿され冷却さ
れて吹出口から室内へ吹出される。室内へ吹出された除
湿され冷却された外気は循環用送風機１５により室内を
循環し、室内を外気の導入と空調装置３の加工により冷
房雰囲気にする。熱交換換気装置２により吸込まれ排気
される室内空気の熱は熱交換換気装置２の熱交換器１に
おいて回収され、冷房負荷の軽減が図られる。ステップ
♯７で換気運転が不用と判定すれば、ステップ♯１１に
おいて、空調装置３については冷房運転させ、熱交換換
気装置２については運転を停止する処理を行いステップ
♯１２に進む。If it is determined in step # 7 that the ventilation operation is necessary, in step # 10, the air conditioner 3 is caused to perform the cooling operation, and the heat exchange ventilation device 2 is subjected to the heat exchange ventilation operation involving heat exchange. And proceed to step # 12. As a result, heat is exchanged with the exhaust flow into the room, and the outside air having recovered heat is blown into the room from the indoor outlet 10 of the heat exchange ventilator 2 and is sucked through the suction port 17 of the air conditioner 3, and the heat exchanger 14, the air is dehumidified, cooled, and blown out from the outlet into the room. The dehumidified and cooled outside air blown into the room is circulated in the room by the circulation blower 15, and the room is brought into a cooling atmosphere by introducing the outside air and processing the air conditioner 3. The heat of the room air sucked and exhausted by the heat exchange ventilator 2 is recovered in the heat exchanger 1 of the heat exchange ventilator 2 to reduce the cooling load. If it is determined in step # 7 that the ventilation operation is unnecessary, in step # 11, the air conditioner 3 is caused to perform the cooling operation and the heat exchange ventilation device 2 is stopped, and the process proceeds to step # 12.
【００２５】冬季において、利用者の設定により換気運
転が指示された場合は、熱交換換気装置２の制御回路１
１は、室外温度Ｔ２が室内温度Ｔ１より十分低い場合に
は、熱交換器換気装置２を熱交換換運転させその室内に
取入れる外気を熱交換により昇温し、さらに空調装置３
で加温して室内に送風させる。これにより、外気温が低
く排気流間で熱交換して室内に供給しても冷風感が残る
ような状況でも、空調装置３で加温してから室内へ供給
するため冷風感を醸さずに室内を快適性を損なわずに換
気することができる。In winter, when the ventilation operation is instructed by the user, the control circuit 1 of the heat exchange ventilator 2
1, when the outdoor temperature T2 is sufficiently lower than the indoor temperature T1, the heat exchanger ventilator 2 is operated to perform a heat exchange operation, and the temperature of the outside air taken into the room is increased by heat exchange.
And let it blow into the room. Accordingly, even when the outside air temperature is low and heat is exchanged between the exhaust streams and supplied to the room and a sense of cool air remains, the air is heated by the air conditioner 3 and then supplied to the room without generating a sense of cool air. The room can be ventilated without compromising comfort.
【００２６】このように、室内空気エンタルピーｈ１と
室外空気エンタルピーｈ２を基準として換気と空調を制
御することにより、快適性と省エネルギー性を発揮する
ことができる。なお、熱交換換気装置２の普通換気運転
については、熱交換器１を迂回するバイパス通風路の開
放による仕方の他にも排気ファン６を停止させ、給気フ
ァン７のみを運転させる仕方で行うことも可能である。As described above, by controlling the ventilation and the air conditioning based on the indoor air enthalpy h1 and the outdoor air enthalpy h2, it is possible to exhibit comfort and energy saving. The normal ventilation operation of the heat exchange ventilator 2 is performed by stopping the exhaust fan 6 and operating only the air supply fan 7 in addition to the method of opening the bypass ventilation path that bypasses the heat exchanger 1. It is also possible.
【００２７】[0027]
【発明の効果】請求項１の発明によれば、省エネルギー
性と快適性の得られる換気空調方法が得られる。According to the first aspect of the present invention, it is possible to obtain a ventilation air-conditioning method capable of achieving energy saving and comfort.
【００２８】請求項２の発明によれば、冷房に際し省エ
ネルギー性と快適性の得られる換気空調システムが得ら
れる。According to the second aspect of the present invention, it is possible to obtain a ventilation and air conditioning system capable of obtaining energy saving and comfort during cooling.
【００２９】請求項３の発明によれば、冷房に際し省エ
ネルギー性と快適性の得られる換気空調システムが得ら
れる。According to the third aspect of the present invention, it is possible to obtain a ventilation and air conditioning system capable of obtaining energy saving and comfort during cooling.
【００３０】請求項４の発明によれば、請求項２又は請
求項３のいずれかに係る前記効果とともに外気の導入に
よる自然冷房を適切に行うことができるようになる。According to the fourth aspect of the present invention, it is possible to appropriately perform natural cooling by introducing outside air together with the effect according to the second or third aspect.
【００３１】請求項５の発明によれば、請求項２〜請求
項４までのいずれかに係る前記効果とともに暖房運転に
際し冷風感のない換気が可能になり、快適性が向上す
る。According to the fifth aspect of the present invention, in addition to the effect according to any one of the second to fourth aspects, ventilation without a feeling of cool air during the heating operation becomes possible, and the comfort is improved.
【図１】 実施の形態の換気空調システムを示す構成図
である。FIG. 1 is a configuration diagram illustrating a ventilation air conditioning system according to an embodiment.
【図２】 実施の形態の換気空調手段の熱交換換気装置
の構成図である。FIG. 2 is a configuration diagram of a heat exchange ventilator of a ventilation air conditioner according to the embodiment.
【図３】 実施の形態の換気空調手段の空調装置の構成
図である。FIG. 3 is a configuration diagram of an air conditioner of a ventilation air conditioner according to the embodiment.
【図４】 実施の形態の換気空調手段の熱交換換気装置
の普通換気運転時を示す構成図である。FIG. 4 is a configuration diagram illustrating a heat exchange ventilation device of the ventilation air-conditioning unit according to the embodiment during a normal ventilation operation.
【図５】 実施の形態の制御回路の制御動作を示すフロ
ーチャートである。FIG. 5 is a flowchart illustrating a control operation of the control circuit according to the embodiment;
【図６】 従来の空調装置の機能ブロック図である。FIG. 6 is a functional block diagram of a conventional air conditioner.
１ 熱交換器、 ２ 熱交換換気装置、 ３ 空調装
置、 ６ 排気ファン、７ 給気ファン、 ９ 室内吸
込口、 １０ 室内吹出口、 １１ 制御回路、 １２
室外温度検出手段、 １３ 室外湿度検出手段、 １
５ 循環用送風機、 １７ 吸込口、 １８ 室内温度
検出手段、 １９ 室内湿度検出手段。REFERENCE SIGNS LIST 1 heat exchanger, 2 heat exchange ventilator, 3 air conditioner, 6 exhaust fan, 7 air supply fan, 9 indoor suction port, 10 indoor air outlet, 11 control circuit, 12
Outdoor temperature detecting means, 13 Outdoor humidity detecting means, 1
5 Circulating blower, 17 suction port, 18 indoor temperature detecting means, 19 indoor humidity detecting means.
Claims (5)
へ排気する室内気とを熱交換器を通して熱交換させて換
気する熱交換換気と、熱交換を伴わない普通換気とを行
うことができる換気装置と、同室内の空気を循環させ室
内を空調雰囲気にすることができる空調装置とを、前記
換気装置の室内へ取入れる外気が前記空調装置の室内気
の吸込側に向うように配置して換気機能と空調機能が関
連性を持つ換気空調手段を構成し、この換気空調手段
を、室外温度と室外湿度とから算出した室外空気エンタ
ルピーと、室内温度と室内湿度とから算出した室内空気
エンタルピーとにより、熱交換換気と普通換気の運転を
制御する換気空調方法。1. A heat exchange ventilator in which heat is exchanged through a heat exchanger between outside air taken into a room and room air exhausted from the room to the outside through a heat exchanger, and ordinary ventilation without heat exchange can be performed. A ventilation device capable of circulating air in the room and an air conditioning device capable of creating an air-conditioned atmosphere in the room are arranged such that outside air taken into the room of the ventilation device is directed to a suction side of room air of the air conditioning device. To form a ventilation air-conditioning unit having a relevance between the ventilation function and the air-conditioning function. The ventilation air-conditioning unit includes the outdoor air enthalpy calculated from the outdoor temperature and the outdoor humidity, and the indoor air calculated from the indoor temperature and the indoor humidity. A ventilating air conditioning method that controls the operation of heat exchange ventilation and normal ventilation by enthalpy.
へ排気する室内気とを熱交換器を通して熱交換させて換
気する熱交換換気と、熱交換を伴わない普通換気とを行
うことができる換気装置と、同室内の空気を循環させ室
内を空調雰囲気にすることができる空調装置とを、前記
換気装置の室内へ取入れる外気が前記空調装置の室内気
の吸込側に向うように配置して換気機能と空調機能が関
連性を持つ換気空調手段を構成し、この換気空調手段を
制御手段により次のように制御する換気空調システム。
制御手段は、室外温度と室外湿度とから室外空気エンタ
ルピーと、室内温度と室内湿度とから室内空気エンタル
ピーとを算出し、前記空調装置の冷房運転に際しては室
外空気エンタルピーが室内空気エンタルピーより低い場
合には、前記換気装置を普通換気で運転させ、室内に取
入れる外気を前記空調装置で除湿冷却して室内に送風さ
せるように制御する。2. It is possible to perform heat exchange ventilation in which heat is exchanged between the outside air taken into the room and room air exhausted from the room to the outside through a heat exchanger, and normal ventilation without heat exchange. A ventilation device capable of circulating air in the room and an air conditioning device capable of creating an air-conditioned atmosphere in the room are arranged such that outside air taken into the room of the ventilation device is directed to a suction side of room air of the air conditioning device. A ventilation air-conditioning system in which the ventilation function and the air-conditioning function are related to each other, and the ventilation air-conditioning system is controlled by the control device as follows.
The control means calculates the outdoor air enthalpy from the outdoor temperature and the outdoor humidity, and the indoor air enthalpy from the indoor temperature and the indoor humidity, and when the outdoor air enthalpy is lower than the indoor air enthalpy during the cooling operation of the air conditioner. Controls the ventilator to operate with normal ventilation, and to dehumidify and cool the outside air taken into the room by the air conditioner to blow the air into the room.
へ排気する室内気とを熱交換器を通して熱交換させて換
気する熱交換換気と、熱交換を伴わない普通換気とを行
うことができる換気装置と、同室内の空気を循環させ室
内を空調雰囲気にすることができる空調装置とを、前記
換気装置の室内へ取入れる外気が前記空調装置の室内気
の吸込側に向うように配置して換気機能と空調機能が関
連性を持つ換気空調手段を構成し、この換気空調手段を
制御手段により次のように制御する換気空調システム。
制御手段は、室外温度と室外湿度とから室外空気エンタ
ルピーと、室内温度と室内湿度とから室内空気エンタル
ピーとを算出し、前記空調装置の冷房運転に際しては室
外空気エンタルピーが室内空気エンタルピーより低い場
合には、前記換気装置を普通換気で運転させ、室内に取
入れる外気を前記空調装置で除湿冷却して室内に送風さ
せるようにし、室外空気エンタルピーが室内空気エンタ
ルピーより高い場合には、前記換気装置を熱交換換気で
運転させ、室内に取入れる外気を前記空調装置で除湿冷
却して室内に送風させるように制御する。3. A heat exchange ventilator in which heat is exchanged between the outside air taken into the room and room air exhausted from the room to the outside through a heat exchanger, and ordinary ventilation without heat exchange is performed. A ventilation device capable of circulating air in the room and an air conditioning device capable of creating an air-conditioned atmosphere in the room are arranged such that outside air taken into the room of the ventilation device is directed to a suction side of room air of the air conditioning device. A ventilation air-conditioning system in which the ventilation function and the air-conditioning function are related to each other, and the ventilation air-conditioning system is controlled by the control device as follows.
The control means calculates the outdoor air enthalpy from the outdoor temperature and the outdoor humidity, and the indoor air enthalpy from the indoor temperature and the indoor humidity, and when the outdoor air enthalpy is lower than the indoor air enthalpy during the cooling operation of the air conditioner. Operate the ventilator with normal ventilation, dehumidify and cool the outside air taken into the room with the air conditioner, and send it to the room.If the outdoor air enthalpy is higher than the room air enthalpy, the ventilation device The operation is performed by heat exchange ventilation, and the outside air taken into the room is controlled to be dehumidified and cooled by the air conditioner and sent to the room.
の換気空調システムであって、制御回路は、室外空気エ
ンタルピーが室内空気エンタルピーより低く、しかも室
内温度＞設定温度＞室外温度のときは空調装置を送風運
転とする制御を行う換気空調システム。4. The ventilation / air-conditioning system according to claim 2, wherein the control circuit is configured to control when the outdoor air enthalpy is lower than the indoor air enthalpy and the indoor temperature> the set temperature> the outdoor temperature. Is a ventilation air-conditioning system that controls the air conditioner to operate as a blower.
載の換気空調システムであって、制御回路は、空調装置
の暖房運転に際し外気温度が室内温度より低い場合に
は、換気装置を熱交換換気で運転させ、その室内に取入
れる外気を前記空調装置で昇温して室内に送風させるよ
うに制御する換気空調システム。5. The ventilation air conditioning system according to any one of claims 2 to 4, wherein the control circuit activates the ventilation device when the outside air temperature is lower than the room temperature during the heating operation of the air conditioning device. A ventilating air-conditioning system that is operated by heat exchange ventilation, and controls so that the outside air taken into the room is heated by the air conditioner and blown into the room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000258750A JP2002071184A (en) | 2000-08-29 | 2000-08-29 | Ventilating air conditioning method and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000258750A JP2002071184A (en) | 2000-08-29 | 2000-08-29 | Ventilating air conditioning method and system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002071184A true JP2002071184A (en) | 2002-03-08 |
Family
ID=18747010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000258750A Pending JP2002071184A (en) | 2000-08-29 | 2000-08-29 | Ventilating air conditioning method and system thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002071184A (en) |
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| JP2013160493A (en) * | 2012-02-09 | 2013-08-19 | Sumitomo Forestry Co Ltd | Ventilation control system |
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| CN108302716B (en) * | 2018-01-11 | 2020-06-05 | 广东美的制冷设备有限公司 | Control method of air conditioner and air conditioner |
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