JP6854099B2 - Humidity control ventilation system - Google Patents

Humidity control ventilation system Download PDF

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JP6854099B2
JP6854099B2 JP2016157123A JP2016157123A JP6854099B2 JP 6854099 B2 JP6854099 B2 JP 6854099B2 JP 2016157123 A JP2016157123 A JP 2016157123A JP 2016157123 A JP2016157123 A JP 2016157123A JP 6854099 B2 JP6854099 B2 JP 6854099B2
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匡英 須田
匡英 須田
敦 粕谷
敦 粕谷
浩明 中川
浩明 中川
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Description

本発明は、水分を吸放出可能な通気性の吸着材を有し、吸着対象空気の水分を前記吸着材に吸着すると共に、前記吸着材の水分を放出対象空気に放出する形態で、空気の調湿を行う調湿手段を備え、
屋外から取り込んだ外気を前記調湿手段に供給して調湿した後に屋内に供給すると共に、屋内から取り込んだ屋内空気を屋外へ排出する所定の運転モードで運転を行う調湿換気システムに関する。 The present invention has a breathable adsorbent capable of absorbing and releasing moisture, adsorbs the moisture of the air to be adsorbed to the adsorbent, and releases the moisture of the adsorbent to the air to be released. Equipped with a humidity control means to control the humidity
The present invention relates to a humidity control ventilation system that supplies outside air taken in from the outside to the humidity control means to control the humidity and then supplies the outside air indoors, and operates in a predetermined operation mode in which the indoor air taken in from the inside is discharged to the outside.

上記のように、吸着材に水分を吸放出させて屋内に供給する外気の調湿を行う調湿手段を備える調湿換気システムとして、二重窓の内部流路を、調湿手段に供給される空気に日射熱を与える流路として機能させるものが知られている（例えば、特許文献１を参照。）。
具体的には、かかる特許文献１に記載の調湿換気システムでは、夏季の除湿運転時において、二重窓の内部流路を通流して日射熱が与えられて昇温した外気が、放出対象空気として調湿手段に供給され、吸着材の水分を十分に放出させた後に屋外へ排出される。同時に、屋外から直接取り込んだ外気が、吸着対象空気として調湿手段に供給され、吸着材に水分を吸着させて除湿された後に屋内に供給される。このことで、屋外から直接取り込んだ外気が十分に乾燥された吸着材に接触して十分に除湿されて屋内に供給されるので、除湿効率が向上されることになる。 As described above, the internal flow path of the double-glazed window is supplied to the humidity control means as a humidity control ventilation system provided with a humidity control means for controlling the humidity of the outside air that is supplied indoors by absorbing and releasing moisture in the adsorbent. There is known one that functions as a flow path for applying solar heat to the air (see, for example, Patent Document 1).
Specifically, in the humidity control ventilation system described in Patent Document 1, during the dehumidifying operation in summer, the outside air that has been heated by being given solar heat through the internal flow path of the double-glazed window is released. It is supplied to the humidity control means as air, and after sufficiently releasing the moisture of the adsorbent, it is discharged to the outside. At the same time, the outside air directly taken in from the outside is supplied to the humidity control means as the air to be adsorbed, and after dehumidifying by adsorbing the moisture on the adsorbent, it is supplied indoors. As a result, the outside air directly taken in from the outside comes into contact with the sufficiently dried adsorbent, is sufficiently dehumidified, and is supplied indoors, so that the dehumidification efficiency is improved.

また、この特許文献１に記載の調湿換気システムでは、二重窓の内部流路は、夏季の除湿運転時においては、屋外から取り込んだ外気が通流し、当該通流する外気に日射熱を与える集熱外気導入路として機能するが、冬季の加湿運転時においては、調湿手段に吸着対象空気として供給される屋内空気を冷却するための冷却用流路として機能する。即ち、冬季の加湿運転時において、屋内から取り込んだ比較的高湿な屋内空気が、適宜二重窓の内部流路を通流して冷却された上で、吸着対象空気として調湿手段に供給されて吸着材に水分を吸着させた後に、屋外に排出される。このことで、屋内空気から水分を吸着した吸着材に外気が放出対象空気として接触することになるので、当該吸着材から当該外気への水分の放出が促進されて、十分に加湿した外気を屋内に供給することができ、加湿効率の向上が図られている。 Further, in the humidity control ventilation system described in Patent Document 1, the internal flow path of the double window allows the outside air taken in from the outside to pass through during the dehumidifying operation in summer, and the outside air that flows through the air flow through the solar heat. It functions as a heat collecting outside air introduction path, but during humidification operation in winter, it functions as a cooling flow path for cooling the indoor air supplied to the humidity control means as the air to be adsorbed. That is, during the humidifying operation in winter, the relatively high-humidity indoor air taken in from indoors is appropriately passed through the internal flow path of the double-glazed window to be cooled, and then supplied to the humidity control means as the air to be adsorbed. After adsorbing water on the adsorbent, it is discharged outdoors. As a result, the outside air comes into contact with the adsorbent that has adsorbed moisture from the indoor air as the release target air, so that the release of moisture from the adsorbent to the outside air is promoted, and the sufficiently humidified outside air is indoors. It can be supplied to the air, and the humidification efficiency is improved.

特開２０１０−０６５９３６号公報JP-A-2010-065936

従来の調湿換気システムでは、上述したように、夏季の除湿運転時においては、日射熱を吸着材の再生に利用することで、除湿効率の向上は図られているが、冬季の加湿運転時においては、日射熱の有効利用は行われていなかった。
この実情に鑑み、本発明の主たる課題は、吸着材に水分を吸放出させて屋内に供給する外気の調湿を行う調湿手段を備える調湿換気システムにおいて、冬季の加湿運転時における日射熱の利用を実現し、加湿効率の向上並びに暖房負荷の軽減を図ることができる技術を提供する点にある。 In the conventional humidity control ventilation system, as described above, during the dehumidifying operation in summer, the dehumidifying efficiency is improved by using the solar heat to regenerate the adsorbent, but during the humidifying operation in winter. In, the effective use of solar heat was not carried out.
In view of this situation, a main problem of the present invention is the solar heat during humidification operation in winter in a humidity control ventilation system provided with a humidity control means for controlling the humidity of the outside air that is supplied indoors by absorbing and releasing moisture in an adsorbent. The point is to provide a technology that can realize the use of the above, improve the humidification efficiency, and reduce the heating load.

本発明の第１特徴構成は、水分を吸放出可能な通気性の吸着材を有し、吸着対象空気の水分を前記吸着材に吸着すると共に、前記吸着材の水分を放出対象空気に放出する形態で、空気の調湿を行う調湿手段を備え、
屋外から取り込んだ外気を前記調湿手段に供給して調湿した後に屋内に供給すると共に、屋内から取り込んだ屋内空気を屋外へ排出する所定の運転モードで運転を行う調湿換気システムであって、
屋外から取り込んだ外気が通流し、当該通流する外気に日射熱を与える集熱外気導入路と、
屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路と、
前記集熱外気導入路から取り込まれて前記調湿手段を通過した後の外気を屋外へ排出する集熱外気排出路と、
屋内から取り込んだ屋内空気を屋外へ排出する屋内空気排出路と、を備え、
前記運転モードとして、屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第１加湿運転モードと、
前記直接外気導入路から取り込んだ外気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させて除湿した後に屋内に供給し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材の水分を放出させた後に前記集熱外気排出路から屋外へ排出し、屋内から取り込んだ屋内空気を前記屋内空気排出路から屋外へ排出する除湿運転モードと、を有し、
前記屋内空気排出路が、屋内空気を前記集熱外気導入路に合流させる流路である点にある。 The first characteristic configuration of the present invention has a breathable adsorbent capable of absorbing and releasing moisture, adsorbs the moisture of the air to be adsorbed to the adsorbent, and releases the moisture of the adsorbent to the air to be released. In the form, it is equipped with a humidity control means that controls the humidity of the air.
It is a humidity control ventilation system that operates in a predetermined operation mode in which the outside air taken in from the outside is supplied to the humidity control means to control the humidity and then supplied indoors, and the indoor air taken in from the inside is discharged to the outside. ,
A heat collecting outside air introduction path that allows the outside air taken in from the outside to pass through and gives solar heat to the flowing outside air,
A direct outside air introduction path that takes in outside air from the outside without going through the heat collection outside air introduction path,
A heat collecting outside air discharge path that is taken in from the heat collecting outside air introduction path and exhausts the outside air after passing through the humidity control means to the outside.
Equipped with an indoor air discharge path that discharges indoor air taken in from indoors to the outside,
In the operation mode, the indoor air taken in from the room is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent, and then discharged to the outside, and the outside air taken in from the heat collecting outside air introduction path. In the first humidification operation mode, in which water is supplied to the humidity control means as the release target air, moisture is released from the adsorbent, humidified, and then supplied indoors.
The outside air taken in from the direct outside air introduction path is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent to dehumidify, and then the outside air is supplied indoors and taken in from the heat collecting outside air introduction path. Is supplied to the humidity control means as the release target air to release the moisture of the adsorbent, and then discharged to the outside from the heat collecting outside air discharge path, and the indoor air taken in from the indoor is discharged from the indoor air discharge path to the outside. have a, and a dehumidifying operation mode is discharged to,
The indoor air discharge passage, is the indoor air to a point Ru passage der to merge into the heat collecting air introduction passage.

本構成によれば、集熱外気導入路を通流した外気は、日射熱が与えられて昇温することで、湿度（相対湿度）が低下する。よって、上記第１加湿運転モードで運転を行うことで、集熱外気導入路から高温で低湿な外気を放出対象空気として調湿手段に供給することができる。すると、屋内空気から水分を吸着した吸着材に高温で低湿な外気が放出対象空気として接触することになるので、当該吸着材から当該外気への水分の放出が促進され、十分に加湿した外気を屋内に供給することができ、結果、加湿効率を向上することができる。また、集熱外気導入路を通流して日射熱により昇温させた外気を、調湿手段で加湿した上で屋内に供給することになるから、屋内の暖房負荷を軽減することができる。
従って、本発明により、吸着材に水分を吸放出させて屋内に供給する外気の調湿を行う調湿手段を備える調湿換気システムにおいて、冬季の加湿運転時における日射熱の利用を実現し、加湿効率の向上並びに暖房負荷の軽減を図ることができる技術を提供することができる。
更に、夏季において、一般的に、集熱外気導入路を通流した外気は、直接外気導入路から取り込んだ外気と比較して、高温で低湿なものとなる。そこで、本構成によれば、除湿運転モードで運転を行うことで、集熱外気導入路を介して取り込んだ高温で低湿な外気を放出対象空気として調湿手段に供給するので、吸着材から水分を十分に放出させることができる。一方、直接外気導入路を介して取り込んだ比較的低温の外気を吸着対象空気として調湿手段に供給し、その低温の外気が乾燥した吸着材に接触することになるので、外気から吸着材への水分の吸着が促進され、十分に除湿した外気を屋内に供給することができ、結果、除湿効率を向上することができる。また、夏季において集熱外気導入路を通流した外気は、調湿手段を通過した後に、屋内に供給されることなく屋外に排出される。よって、集熱外気導入路に伝達された日射熱は、その外気と共に屋外に排出されるので、当該日射熱が集熱外気導入路を介して屋内側に伝達される所謂熱貫流が抑制されることになり、結果、屋内の冷房負荷を軽減することができる。
更に、本構成によれば、集熱外気導入路には、外気に加えて、比較的低湿な屋内空気が通流することになる。このことで、集熱外気導入路から調湿手段へ供給される放出対象空気の湿度を低下させ、放出状態の吸着材からの水分の放出を促進させて、除湿効率を向上することができる。 According to this configuration, the humidity (relative humidity) of the outside air that has passed through the heat collecting outside air introduction path is lowered by applying solar heat to raise the temperature. Therefore, by operating in the first humidification operation mode, high-temperature and low-humidity outside air can be supplied to the humidity control means as the release target air from the heat collection outside air introduction path. Then, the high-temperature and low-humidity outside air comes into contact with the adsorbent that has adsorbed moisture from the indoor air as the release target air, so that the release of moisture from the adsorbent to the outside air is promoted, and the sufficiently humidified outside air is released. It can be supplied indoors, and as a result, the humidification efficiency can be improved. Further, since the outside air that has passed through the heat collecting outside air introduction path and has been heated by solar heat is humidified by the humidity control means and then supplied indoors, the indoor heating load can be reduced.
Therefore, according to the present invention, in a humidity control ventilation system provided with a humidity control means for controlling the humidity of the outside air by absorbing and releasing moisture in the adsorbent and supplying it indoors, it is possible to utilize the solar heat during the humidification operation in winter. It is possible to provide a technique capable of improving the humidification efficiency and reducing the heating load.
Further, in summer, the outside air that has passed through the heat collecting outside air introduction path is generally hotter and less humid than the outside air that is directly taken in from the outside air introduction path. Therefore, according to this configuration, by operating in the dehumidifying operation mode, the high-temperature and low-humidity outside air taken in through the heat collecting outside air introduction path is supplied to the humidity control means as the release target air, so that the moisture from the adsorbent is used. Can be sufficiently released. On the other hand, the relatively low temperature outside air taken directly through the outside air introduction path is supplied to the humidity control means as the adsorption target air, and the low temperature outside air comes into contact with the dry adsorbent, so that the outside air is transferred to the adsorbent. Adsorption of moisture is promoted, and sufficiently dehumidified outside air can be supplied indoors, and as a result, dehumidification efficiency can be improved. Further, in the summer, the outside air that has passed through the heat collecting outside air introduction path is discharged to the outside without being supplied indoors after passing through the humidity control means. Therefore, the solar heat transmitted to the heat collecting outside air introduction path is discharged to the outside together with the outside air, so that the so-called thermal transmission flow in which the solar radiation heat is transmitted to the indoor side through the heat collecting outside air introduction path is suppressed. As a result, the indoor cooling load can be reduced.
Further, according to this configuration, relatively low humidity indoor air flows through the heat collecting outside air introduction path in addition to the outside air. As a result, the humidity of the air to be released supplied from the heat collecting outside air introduction path to the humidity control means can be lowered, the release of moisture from the adsorbent in the released state can be promoted, and the dehumidification efficiency can be improved.

本発明の第２特徴構成は、屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路を備え、
前記運転モードとして、屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記直接外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第２加湿運転モードを有する点にある。 The second characteristic configuration of the present invention includes a direct outside air introduction path that takes in outside air from the outside without passing through the heat collecting outside air introduction path.
In the operation mode, indoor air taken in from indoors is supplied to the humidity control means as the adsorption target air, moisture is adsorbed on the adsorbent, and then discharged to the outside, and the outside air taken in from the direct outside air introduction path is used. It has a second humidification operation mode in which it is supplied to the humidity control means as the release target air, moisture is released from the adsorbent, humidified, and then supplied indoors.

冬季における積雪等により、集熱外気導入路から取り込まれる外気が、直接外気導入路から取り込まれる外気よりも、低温で高湿になる場合がある。そこで、本構成によれば、このような場合には、上記第２加湿運転モードで運転を行うことで、できるだけ高温で低湿な外気を直接外気導入路から取り込んで放出対象空気として直接調湿手段に供給することができる。よって、集熱外気導入路から取り込んだ外気が低温で高湿なものとなることに起因する加湿効率の低下や暖房負荷の増加を抑制することができる。 Due to snow cover in winter, the outside air taken in from the heat collecting outside air introduction path may become colder and more humid than the outside air taken in directly from the outside air introduction path. Therefore, according to this configuration, in such a case, by operating in the second humidification operation mode, the outside air having as high temperature and low humidity as possible is directly taken in from the outside air introduction path and directly used as the release target air as the humidity control means. Can be supplied to. Therefore, it is possible to suppress a decrease in humidification efficiency and an increase in heating load due to the outside air taken in from the heat collecting outside air introduction path becoming low temperature and high humidity.

本発明の第３特徴構成は、前記集熱外気導入路を通流する外気の昇温状態を判定する昇温状態判定手段と、
前記運転モードとして、屋外から取り込んだ外気を前記調湿手段に供給して加湿した後に屋内に供給する加湿運転モードで運転を行うにあたり、前記昇温状態判定手段の判定結果に基づいて、前記第１加湿運転モードと前記第２加湿運転モードとを切り替える運転モード切替手段とを備えた点にある。 The third characteristic configuration of the present invention includes a temperature rising state determining means for determining a temperature rising state of the outside air flowing through the heat collecting outside air introduction path, and a temperature rising state determining means.
As the operation mode, when the operation is performed in the humidification operation mode in which the outside air taken in from the outside is supplied to the humidity control means to humidify and then supplied indoors, the first operation is based on the determination result of the temperature rise state determination means. (1) It is provided with an operation mode switching means for switching between the humidification operation mode and the second humidification operation mode.

本構成によれば、昇温状態判定手段の判定結果により、例えば集熱外気導入路から取り込まれる外気の温度が直接外気導入路から取り込まれる外気の温度を超えると判断した場合には、運転モード切り替え手段による加湿運転モードの自動切り替えにより、外気を集熱外気導入路から取り込む第１加湿運転モードを実行することができる。一方、昇温状態判定手段の判定結果により、例えば集熱外気導入路から取り込まれる外気の温度が直接外気導入路から取り込まれる外気の温度以下であると判断した場合には、運転モード切り替え手段による加湿運転モードの自動切り替えにより、外気を直接外気導入路から取り込む第２加湿運転モードを実行することができる。このような、昇温状態判定手段の判定結果に基づく第１加湿運転モードと第２加湿運転モードとの切り替えにより、集熱外気導入路による外気の昇温が期待できない場合でも、調湿手段には、できるだけ高温の外気が供給されることになり、結果、加湿効率を高いものに維持することができる。 According to this configuration, when it is determined from the determination result of the temperature rising state determining means that the temperature of the outside air taken in from the heat collecting outside air introduction path exceeds the temperature of the outside air directly taken in from the outside air introduction path, for example, the operation mode By automatically switching the humidification operation mode by the switching means, it is possible to execute the first humidification operation mode in which the outside air is taken in from the heat collecting outside air introduction path. On the other hand, when it is determined from the determination result of the temperature rising state determining means that the temperature of the outside air taken in from the heat collecting outside air introduction path is equal to or lower than the temperature of the outside air directly taken in from the outside air introduction path, the operation mode switching means is used. By automatically switching the humidification operation mode, it is possible to execute the second humidification operation mode in which the outside air is directly taken in from the outside air introduction path. By switching between the first humidification operation mode and the second humidification operation mode based on the determination result of the temperature rise state determination means, even if the temperature rise of the outside air by the heat collecting outside air introduction path cannot be expected, the humidity control means can be used. Will supply as hot an outside air as possible, and as a result, the humidification efficiency can be maintained high.

本発明の第４特徴構成は、水分を吸放出可能な通気性の吸着材を有し、吸着対象空気の水分を前記吸着材に吸着すると共に、前記吸着材の水分を放出対象空気に放出する形態で、空気の調湿を行う調湿手段を備え、
屋外から取り込んだ外気を前記調湿手段に供給して調湿した後に屋内に供給すると共に、屋内から取り込んだ屋内空気を屋外へ排出する所定の運転モードで運転を行う調湿換気システムであって、
屋外から取り込んだ外気が通流し、当該通流する外気に日射熱を与える集熱外気導入路と、
屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路と、を備え、
前記運転モードとして、
屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第１加湿運転モードと、
屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記直接外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第２加湿運転モードと、を有し、
前記集熱外気導入路を通流する外気の昇温状態を判定する昇温状態判定手段と、
前記運転モードとして、屋外から取り込んだ外気を前記調湿手段に供給して加湿した後に屋内に供給する加湿運転モードで運転を行うにあたり、前記昇温状態判定手段の判定結果に基づいて、前記第１加湿運転モードと前記第２加湿運転モードとを切り替える運転モード切替手段とを備え、
前記昇温状態判定手段は、前記集熱外気導入路を通流する外気の昇温が行われるか否かを前記昇温状態として判定し、
前記運転モード切替手段は、前記集熱外気導入路を通流する外気の昇温が行われると前記昇温状態判定手段が判定した場合には前記第１加湿運転モードによる運転を実行し、前記集熱外気導入路を通流する外気の昇温が行われないと前記昇温状態判定手段が判定した場合には前記第２加湿運転モードによる運転を実行する点にある。
本構成によれば、集熱外気導入路を通流した外気は、日射熱が与えられて昇温することで、湿度（相対湿度）が低下する。よって、上記第１加湿運転モードで運転を行うことで、集熱外気導入路から高温で低湿な外気を放出対象空気として調湿手段に供給することができる。すると、屋内空気から水分を吸着した吸着材に高温で低湿な外気が放出対象空気として接触することになるので、当該吸着材から当該外気への水分の放出が促進され、十分に加湿した外気を屋内に供給することができ、結果、加湿効率を向上することができる。また、集熱外気導入路を通流して日射熱により昇温させた外気を、調湿手段で加湿した上で屋内に供給することになるから、屋内の暖房負荷を軽減することができる。
従って、本発明により、吸着材に水分を吸放出させて屋内に供給する外気の調湿を行う調湿手段を備える調湿換気システムにおいて、冬季の加湿運転時における日射熱の利用を実現し、加湿効率の向上並びに暖房負荷の軽減を図ることができる技術を提供することができる。
更に、冬季における積雪等により、集熱外気導入路から取り込まれる外気が、直接外気導入路から取り込まれる外気よりも、低温で高湿になる場合がある。そこで、本構成によれば、このような場合には、上記第２加湿運転モードで運転を行うことで、できるだけ高温で低湿な外気を直接外気導入路から取り込んで放出対象空気として直接調湿手段に供給することができる。よって、集熱外気導入路から取り込んだ外気が低温で高湿なものとなることに起因する加湿効率の低下や暖房負荷の増加を抑制することができる。
更に、本構成によれば、昇温状態判定手段の判定結果により、例えば集熱外気導入路から取り込まれる外気の温度が直接外気導入路から取り込まれる外気の温度を超えると判断した場合には、運転モード切り替え手段による加湿運転モードの自動切り替えにより、外気を集熱外気導入路から取り込む第１加湿運転モードを実行することができる。一方、昇温状態判定手段の判定結果により、例えば集熱外気導入路から取り込まれる外気の温度が直接外気導入路から取り込まれる外気の温度以下であると判断した場合には、運転モード切り替え手段による加湿運転モードの自動切り替えにより、外気を直接外気導入路から取り込む第２加湿運転モードを実行することができる。このような、昇温状態判定手段の判定結果に基づく第１加湿運転モードと第２加湿運転モードとの切り替えにより、集熱外気導入路による外気の昇温が期待できない場合でも、調湿手段には、できるだけ高温の外気が供給されることになり、結果、加湿効率を高いものに維持することができる。
本発明の第５特徴構成は、屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路と、
前記集熱外気導入路から取り込まれて前記調湿手段を通過した後の外気を屋外へ排出する集熱外気排出路と、
屋内から取り込んだ屋内空気を屋外へ排出する屋内空気排出路とを備え、
前記運転モードとして、前記直接外気導入路から取り込んだ外気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させて除湿した後に屋内に供給し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材の水分を放出させた後に前記集熱外気排出路から屋外へ排出し、屋内から取り込んだ屋内空気を前記屋内空気排出路から屋外へ排出する除湿運転モードを有する点にある。 The fourth characteristic configuration of the present invention has a breathable adsorbent capable of absorbing and releasing moisture, adsorbs the moisture of the air to be adsorbed to the adsorbent, and releases the moisture of the adsorbent to the air to be released. In the form, it is equipped with a humidity control means that controls the humidity of the air.
It is a humidity control ventilation system that operates in a predetermined operation mode in which the outside air taken in from the outside is supplied to the humidity control means to control the humidity and then supplied indoors, and the indoor air taken in from the inside is discharged to the outside. ,
A heat collecting outside air introduction path that allows the outside air taken in from the outside to pass through and gives solar heat to the flowing outside air,
It is equipped with a direct outside air introduction path that takes in outside air from the outside without going through the heat collection outside air introduction path.
As the operation mode,
The indoor air taken in from indoors is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent, and then discharged to the outside, and the outside air taken in from the heat collecting outside air introduction path is the release target air. In the first humidification operation mode, which is supplied to the humidity control means to release moisture from the adsorbent to humidify and then supply indoors.
Indoor air taken in from indoors is supplied to the humidity control means as the adsorption target air, moisture is adsorbed on the adsorbent, and then discharged to the outside, and the outside air taken in directly from the outside air introduction path is used as the release target air. It has a second humidification operation mode in which water is supplied to the humidity control means to release moisture from the adsorbent to humidify and then supply indoors.
A heating state determining means for determining a heating state of the outside air flowing through the heat collecting outside air introduction path, and a heating state determining means.
As the operation mode, when the operation is performed in the humidification operation mode in which the outside air taken in from the outside is supplied to the humidity control means to humidify and then supplied indoors, the first operation is based on the determination result of the temperature rise state determination means. It is provided with an operation mode switching means for switching between the 1 humidification operation mode and the second humidification operation mode.
The temperature rising state determining means determines whether or not the temperature of the outside air flowing through the heat collecting outside air introduction path is raised as the temperature rising state.
When the temperature rising state determining means determines that the temperature of the outside air flowing through the heat collecting outside air introduction path is raised, the operation mode switching means executes the operation in the first humidification operation mode, and the operation is performed. When the temperature rising state determining means determines that the temperature of the outside air flowing through the heat collecting outside air introduction path is not raised, the operation in the second humidification operation mode is executed.
According to this configuration, the humidity (relative humidity) of the outside air that has passed through the heat collecting outside air introduction path is lowered by applying solar heat to raise the temperature. Therefore, by operating in the first humidification operation mode, high-temperature and low-humidity outside air can be supplied to the humidity control means as the release target air from the heat collection outside air introduction path. Then, the high-temperature and low-humidity outside air comes into contact with the adsorbent that has adsorbed moisture from the indoor air as the release target air, so that the release of moisture from the adsorbent to the outside air is promoted, and the sufficiently humidified outside air is released. It can be supplied indoors, and as a result, the humidification efficiency can be improved. Further, since the outside air that has passed through the heat collecting outside air introduction path and has been heated by solar heat is humidified by the humidity control means and then supplied indoors, the indoor heating load can be reduced.
Therefore, according to the present invention, in a humidity control ventilation system provided with a humidity control means for controlling the humidity of the outside air by absorbing and releasing moisture in the adsorbent and supplying it indoors, it is possible to utilize the solar heat during the humidification operation in winter. It is possible to provide a technique capable of improving the humidification efficiency and reducing the heating load.
Further, due to snow cover in winter or the like, the outside air taken in from the heat collecting outside air introduction path may be lower in temperature and higher in humidity than the outside air taken in directly from the outside air introduction path. Therefore, according to this configuration, in such a case, by operating in the second humidification operation mode, the outside air having as high temperature and low humidity as possible is directly taken in from the outside air introduction path and directly used as the release target air as the humidity control means. Can be supplied to. Therefore, it is possible to suppress a decrease in humidification efficiency and an increase in heating load due to the outside air taken in from the heat collecting outside air introduction path becoming low temperature and high humidity.
Further, according to this configuration, when it is determined from the determination result of the temperature rising state determining means that the temperature of the outside air taken in from the heat collecting outside air introduction path exceeds the temperature of the outside air directly taken in from the outside air introduction path, for example, By automatically switching the humidification operation mode by the operation mode switching means, it is possible to execute the first humidification operation mode in which the outside air is taken in from the heat collecting outside air introduction path. On the other hand, when it is determined from the determination result of the temperature rising state determining means that the temperature of the outside air taken in from the heat collecting outside air introduction path is equal to or lower than the temperature of the outside air directly taken in from the outside air introduction path, the operation mode switching means is used. By automatically switching the humidification operation mode, it is possible to execute the second humidification operation mode in which the outside air is directly taken in from the outside air introduction path. By switching between the first humidification operation mode and the second humidification operation mode based on the determination result of the temperature rise state determination means, even if the temperature rise of the outside air by the heat collecting outside air introduction path cannot be expected, the humidity control means can be used. Will supply as hot an outside air as possible, and as a result, the humidification efficiency can be maintained high.
The fifth characteristic configuration of the present invention includes a direct outside air introduction path that takes in outside air from the outside without passing through the heat collecting outside air introduction path.
A heat collecting outside air discharge path that is taken in from the heat collecting outside air introduction path and exhausts the outside air after passing through the humidity control means to the outside.
Equipped with an indoor air discharge path that discharges indoor air taken in from indoors to the outside,
In the operation mode, the outside air taken in from the direct outside air introduction path is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent to dehumidify, and then the outside air is supplied indoors to introduce the heat collecting outside air. The outside air taken in from the path is supplied to the humidity control means as the release target air to release the moisture of the adsorbent, and then discharged to the outside from the heat collecting outside air discharge path, and the indoor air taken in from the inside is discharged to the inside. It has a dehumidifying operation mode that discharges air from the air discharge path to the outside.

夏季において、一般的に、集熱外気導入路を通流した外気は、直接外気導入路から取り込んだ外気と比較して、高温で低湿なものとなる。そこで、本構成によれば、除湿運転モードで運転を行うことで、集熱外気導入路を介して取り込んだ高温で低湿な外気を放出対象空気として調湿手段に供給するので、吸着材から水分を十分に放出させることができる。一方、直接外気導入路を介して取り込んだ比較的低温の外気を吸着対象空気として調湿手段に供給し、その低温の外気が乾燥した吸着材に接触することになるので、外気から吸着材への水分の吸着が促進され、十分に除湿した外気を屋内に供給することができ、結果、除湿効率を向上することができる。また、夏季において集熱外気導入路を通流した外気は、調湿手段を通過した後に、屋内に供給されることなく屋外に排出される。よって、集熱外気導入路に伝達された日射熱は、その外気と共に屋外に排出されるので、当該日射熱が集熱外気導入路を介して屋内側に伝達される所謂熱貫流が抑制されることになり、結果、屋内の冷房負荷を軽減することができる。 In summer, the outside air that has passed through the heat collecting outside air introduction path is generally hotter and less humid than the outside air that is directly taken in from the outside air introduction path. Therefore, according to this configuration, by operating in the dehumidifying operation mode, the high-temperature and low-humidity outside air taken in through the heat collecting outside air introduction path is supplied to the humidity control means as the release target air, so that the moisture from the adsorbent is used. Can be sufficiently released. On the other hand, the relatively low temperature outside air taken directly through the outside air introduction path is supplied to the humidity control means as the adsorption target air, and the low temperature outside air comes into contact with the dry adsorbent, so that the outside air is transferred to the adsorbent. Adsorption of moisture is promoted, and sufficiently dehumidified outside air can be supplied indoors, and as a result, dehumidification efficiency can be improved. Further, in the summer, the outside air that has passed through the heat collecting outside air introduction path is discharged to the outside without being supplied indoors after passing through the humidity control means. Therefore, the solar heat transmitted to the heat collecting outside air introduction path is discharged to the outside together with the outside air, so that the so-called thermal transmission flow in which the solar radiation heat is transmitted to the indoor side through the heat collecting outside air introduction path is suppressed. As a result, the indoor cooling load can be reduced.

本発明の第６特徴構成は、前記屋内空気排出路が、屋内空気を前記集熱外気導入路に合流させる流路である点にある。 The sixth characteristic configuration of the present invention is that the indoor air discharge path is a flow path for merging the indoor air with the heat collecting outside air introduction path.

本構成によれば、集熱外気導入路には、外気に加えて、比較的低湿な屋内空気が通流することになる。このことで、集熱外気導入路から調湿手段へ供給される放出対象空気の湿度を低下させ、放出状態の吸着材からの水分の放出を促進させて、除湿効率を向上することができる。 According to this configuration, relatively low humidity indoor air flows through the heat collecting outside air introduction path in addition to the outside air. As a result, the humidity of the air to be released supplied from the heat collecting outside air introduction path to the humidity control means can be lowered, the release of moisture from the adsorbent in the released state can be promoted, and the dehumidification efficiency can be improved.

第１実施形態の調湿換気システムの第１加湿運転モードでの運転状態を示す図The figure which shows the operation state in the 1st humidification operation mode of the humidity control ventilation system of 1st Embodiment 第１実施形態の調湿換気システムの第２加湿運転モードでの運転状態を示す図The figure which shows the operation state in the 2nd humidification operation mode of the humidity control ventilation system of 1st Embodiment 第１実施形態の調湿換気システムの除湿運転モードでの運転状態を示す図The figure which shows the operating state in the dehumidifying operation mode of the humidity control ventilation system of 1st Embodiment 第２実施形態の調湿換気システムの第１加湿運転モードでの運転状態を示す図The figure which shows the operation state in the 1st humidification operation mode of the humidity control ventilation system of 2nd Embodiment 第２実施形態の調湿換気システムの第２加湿運転モードでの運転状態を示す図The figure which shows the operation state in the 2nd humidification operation mode of the humidity control ventilation system of 2nd Embodiment 第２実施形態の調湿換気システムの除湿運転モードでの運転状態を示す図The figure which shows the operating state in the dehumidifying operation mode of the humidity control ventilation system of 2nd Embodiment 別実施形態の調湿換気システムの概略構成を示す部分図Partial view showing schematic structure of humidity control ventilation system of another embodiment

〔第１実施形態〕
本発明に係る調湿換気システムの第１実施形態について、図１〜図３に基づいて説明する。
尚、本実施形態の調湿換気システムは、住宅等の建物１に設けられ、屋外Ｏの外気ＯＡを調湿した上で建物１内の屋内Ｒに給気ＳＡとして供給すると共に、屋内空気ＲＡを屋外Ｏに排気ＥＡとして排出することで、屋内Ｒの調湿と換気とを行うシステムとして構成されている。 [First Embodiment]
The first embodiment of the humidity control ventilation system according to the present invention will be described with reference to FIGS. 1 to 3.
The humidity control ventilation system of the present embodiment is provided in a building 1 such as a house, and after controlling the humidity of the outside air OA of the outdoor O, it is supplied to the indoor R in the building 1 as an air supply SA, and the indoor air RA. Is configured as a system for controlling the humidity and ventilating the indoor R by discharging the air to the outdoor O as exhaust EA.

また、この調湿換気システムは、制御装置５０の運転制御により、所定の運転モードで運転を行うように構成されている。尚、詳細については後述するが、かかる所定の運転モードとしては、外気ＯＡを放出対象空気Ａ２として調湿手段２に供給して吸着材３ａ，３ｂから水分を放出させて加湿した後に屋内Ｒに給気ＳＡとして供給する第１加湿運転モード（図１参照）並びに第２加湿運転モード（図２参照）、及び、外気ＯＡを吸着対象空気Ａ１として調湿手段２に供給して吸着材３ａ，３ｂに水分を吸着させて除湿した後に屋内Ｒに給気ＳＡとして供給する除湿運転モード（図３参照）を有する。
以下、調湿換気システムの基本構成、並びに、各運転モードでの運転状態について、順に説明する。 Further, this humidity control ventilation system is configured to operate in a predetermined operation mode by the operation control of the control device 50. Although the details will be described later, in such a predetermined operation mode, the outside air OA is supplied to the humidity control means 2 as the release target air A2 to release moisture from the adsorbents 3a and 3b to humidify the indoor R. The first humidification operation mode (see FIG. 1) and the second humidification operation mode (see FIG. 2) supplied as the air supply SA, and the outside air OA is supplied to the humidity control means 2 as the adsorption target air A1 to be the adsorbent 3a, It has a dehumidifying operation mode (see FIG. 3) in which moisture is adsorbed on 3b to dehumidify and then supplied to the indoor R as an air supply SA.
Hereinafter, the basic configuration of the humidity control ventilation system and the operating state in each operation mode will be described in order.

〔調湿換気システムの基本構成〕
調湿換気システムには、空気の調湿を行う調湿手段２が設けられている。この調湿手段２は、水分を吸放出可能な通気性の吸着材３ａ，３ｂを有し、吸着対象空気Ａ１の水分を吸着材３ａ，３ｂに吸着すると共に、吸着材３ａ，３ｂの水分を放出対象空気Ａ２に放出する形態で、空気の加湿又は除湿といった調湿を行うように構成されている。そして、後述する各運転モードにおいて、屋外Ｏから取り込んだ外気ＯＡを調湿手段２に供給して加湿及び除湿の何れかの調湿を行った後に給気ＳＡとして屋内Ｒに供給すると共に、屋内Ｒから取り込んだ屋内空気ＲＡを排気ＥＡとして屋外Ｏへ排出する。
尚、水分を吸放出可能な吸着材としては、例えば、シリカゲルやゼオライト等の吸着材や高分子収着材等を利用することができる。 [Basic configuration of humidity control ventilation system]
The humidity control ventilation system is provided with humidity control means 2 for controlling the humidity of air. The humidity control means 2 has breathable adsorbents 3a and 3b capable of absorbing and releasing moisture, adsorbs the moisture of the air A1 to be adsorbed to the adsorbents 3a and 3b, and adsorbs the moisture of the adsorbents 3a and 3b. It is configured to control the humidity such as humidification or dehumidification of the air in a form of being discharged to the release target air A2. Then, in each operation mode described later, the outside air OA taken in from the outdoor O is supplied to the humidity control means 2 to perform either humidification or dehumidification, and then supplied to the indoor R as an air supply SA, and indoors. The indoor air RA taken in from R is discharged to the outdoor O as exhaust EA.
As the adsorbent capable of absorbing and releasing water, for example, an adsorbent such as silica gel or zeolite, a polymer sorbent, or the like can be used.

また、屋外Ｏから取り込んだ外気ＯＡが通流し、当該通流する外気ＯＡに日射熱Ｈを与える集熱外気導入路２１が設けられている。この集熱外気導入路２１は、建物１の傾斜屋根部１ａの内部空間として形成され、下端部が屋外Ｏに開放された集熱空間２０を有しており、当該集熱空間２０の上端部が調湿手段２に接続されている。そして、傾斜屋根部１ａの下端部から集熱空間２０に取り込まれた外気ＯＡは、当該集熱空間２０を通流することで傾斜屋根部１ａに伝達された日射熱が与えられて当該集熱空間２０を上昇し、後に調湿手段２に供給される。
また、集熱外気導入路２１において集熱空間２０の上方側には温度センサ４５が設けられている。即ち、この温度センサ４５は、集熱外気導入路２１の集熱空間２０を通流した後の外気ＯＡの温度を計測し、その計測温度を制御装置５０に出力する。 Further, a heat collecting outside air introduction path 21 is provided in which the outside air OA taken in from the outdoor O flows through and gives the solar radiation heat H to the flowing outside air OA. The heat collecting outside air introduction path 21 is formed as an internal space of the inclined roof portion 1a of the building 1, and has a heat collecting space 20 whose lower end portion is open to the outside O, and the upper end portion of the heat collecting space 20. Is connected to the humidity control means 2. Then, the outside air OA taken into the heat collecting space 20 from the lower end of the inclined roof portion 1a is given the solar heat transmitted to the inclined roof portion 1a by passing through the heat collecting space 20, and the heat is collected. The space 20 is raised and later supplied to the humidity control means 2.
Further, in the heat collecting outside air introduction path 21, a temperature sensor 45 is provided on the upper side of the heat collecting space 20. That is, the temperature sensor 45 measures the temperature of the outside air OA after passing through the heat collecting space 20 of the heat collecting outside air introduction path 21, and outputs the measured temperature to the control device 50.

調湿手段２は、所謂静止型のデシカント式調湿装置として構成され、一対の吸着材３ａ，３ｂを有する。そして、これら一対の吸着材３ａ，３ｂに対する空気通流を切り替えるための、一対の開閉弁７ａ，７ｂ、一対の開閉弁８ａ，８ｂ、並びに、一対の開閉弁９ａ，９ｂが設けられている。これら一対の開閉弁７ａ，７ｂ，８ａ，８ｂ，９ａ，９ｂが所定の単位時間間隔で交互に開閉操作されることで、当該一対の吸着材３ａ，３ｂの夫々に対する吸着対象空気Ａ１及び放出対象空気Ａ２の通流が所定の単位時間間隔で交互に切り替えられる。このことで、当該一対の吸着材３ａ，３ｂの夫々の状態が、吸着対象空気Ａ１から水分を吸着する吸着状態と、放出対象空気Ａ２へ水分を放出する放出状態とに所定の単位時間間隔で交互に切り替えられる。 The humidity control means 2 is configured as a so-called stationary desiccant type humidity control device, and has a pair of adsorbents 3a and 3b. A pair of on-off valves 7a and 7b, a pair of on-off valves 8a and 8b, and a pair of on-off valves 9a and 9b are provided for switching the air flow through the pair of adsorbents 3a and 3b. By alternately opening and closing the pair of on-off valves 7a, 7b, 8a, 8b, 9a, and 9b at predetermined unit time intervals, the air A1 to be adsorbed and the air to be released to each of the pair of adsorbents 3a and 3b are released. The flow of air A2 is alternately switched at predetermined unit time intervals. As a result, the states of the pair of adsorbents 3a and 3b are divided into an adsorption state in which moisture is adsorbed from the adsorption target air A1 and a release state in which moisture is released to the release target air A2 at predetermined unit time intervals. It can be switched alternately.

具体的には、両端部において接続された一対の第１流路４ａ，４ｂ、同じく両端部において接続された一対の第２流路５ａ，５ｂ、及び、同じく両端部において接続された一対の第３流路６ａ，６ｂが設けられている。これら一対の流路のうちの一方の第１流路４ａ、第２流路５ａ、及び第３流路６ａには、一対の吸着材３ａ，３ｂのうちの一方の第１吸着材３ａが配置されており、これら流路４ａ，５ａ，６ａを通流する空気が第１吸着材３ａを通過する。また、これら一対の流路のうちの他方の第１流路４ｂ、第２流路５ｂ、及び第３流路６ｂには、一対の吸着材３ａ，３ｂのうちの他方の第２吸着材３ｂが配置されており、これら流路４ｂ，５ｂ，６ｂを通流する空気が第２吸着材３ｂを通過する。 Specifically, a pair of first flow paths 4a and 4b connected at both ends, a pair of second flow paths 5a and 5b also connected at both ends, and a pair of first flow paths also connected at both ends. Three flow paths 6a and 6b are provided. One of the pair of adsorbents 3a and 3b, the first adsorbent 3a, is arranged in the first flow path 4a, the second flow path 5a, and the third flow path 6a of the pair of flow paths. The air passing through these flow paths 4a, 5a, 6a passes through the first adsorbent 3a. Further, in the other first flow path 4b, the second flow path 5b, and the third flow path 6b of the pair of flow paths, the other second adsorbent 3b of the pair of adsorbents 3a and 3b is used. Is arranged, and the air flowing through these flow paths 4b, 5b, 6b passes through the second adsorbent 3b.

尚、本実施形態において、図示は省略するが、各流路における空気の通流は、各流路において例えば屋内Ｒ又は屋外Ｏへの開放部等に適宜配置されたファンの送風動力により実現されている。
また、本願の図面では、一対の第１流路４ａ，４ｂ、第２流路５ａ，５ｂ、第３流路６ａ，６ｂについては、太実線で表した流路は、一対の開閉弁７ａ，７ｂ，８ａ，８ｂ，９ａ，９ｂが開閉される単位時間間隔でのある単位時間において空気が通流する流路を示しており、太破線で表した流路は、その単位時間の次の単位時間において空気が通流する流路を示している。また、他の流路については、太実線で表した流路は、単位時間に拘らず空気が通流している流路を示している。また、本願の図面において、各吸着材３ａ，３ｂの記載箇所には、当該各吸着材３ａ，３ｂが吸着状態であるか放出状態であるかを表すための表示をしており、上段の括弧無しの表示は、太実線で表した流路に空気が流通している際の吸着材の状態を表しており、下段の括弧有りの表示は、太破線で表した流路に空気が流通している際の吸着材の状態を表している。 Although not shown in the present embodiment, the air flow in each flow path is realized by the blowing power of a fan appropriately arranged in each flow path, for example, in an open portion to an indoor R or an outdoor O. ing.
Further, in the drawings of the present application, with respect to the pair of the first flow paths 4a and 4b, the second flow paths 5a and 5b, and the third flow paths 6a and 6b, the flow paths represented by the thick solid lines are the pair of on-off valves 7a. A flow path through which air flows at a certain unit time at a unit time interval in which 7b, 8a, 8b, 9a, and 9b are opened and closed is shown, and the flow path represented by a thick broken line is the next unit of the unit time. It shows the flow path through which air flows in time. As for the other flow paths, the flow paths represented by thick solid lines indicate the flow paths through which air flows regardless of the unit time. Further, in the drawings of the present application, the description locations of the adsorbents 3a and 3b are indicated to indicate whether the adsorbents 3a and 3b are in the adsorbed state or the released state, and are shown in parentheses in the upper row. The indication without it indicates the state of the adsorbent when air is flowing in the flow path indicated by the thick solid line, and the indication with parentheses in the lower row indicates the state of air flowing in the flow path indicated by the thick broken line. It shows the state of the adsorbent when it is being used.

一対の第１流路４ａ，４ｂの夫々には、一対の第１開閉弁７ａ，７ｂが夫々設けられており、これら一対の第１開閉弁７ａ，７ｂが制御装置５０により交互に開閉されることで、一対の第１流路４ａ，４ｂを通じて一方側の接続端部から他方側の接続端部に通流する空気が、これら一対の第１流路４ａ，４ｂの夫々を交互に通流することになる。
また、一対の第１流路４ａ，４ｂの屋内Ｒ側の接続端部（図面において下方側の接続端部）は、屋内Ｒに通じる屋内空気取込路３１に接続されている。一方、一対の第１流路４ａ，４ｂの屋外Ｏ側の接続端部（図面において上方側の接続端部）は、屋外Ｏに通じる排気路２５に接続されている。
また、この第１流路４ａ，４ｂに接続された屋内空気取込路３１には、集熱外気導入路２１の集熱空間２０の下方側の合流部２４ａに通じる屋内空気排出路２４が接続されている。 A pair of first on-off valves 7a and 7b are provided in each of the pair of first flow paths 4a and 4b, and the pair of first on-off valves 7a and 7b are alternately opened and closed by the control device 50. As a result, the air flowing from the connection end on one side to the connection end on the other side through the pair of first flow paths 4a and 4b alternately flows through each of the pair of first flow paths 4a and 4b. Will be done.
Further, the connection end portion of the pair of first flow paths 4a and 4b on the indoor R side (the connection end portion on the lower side in the drawing) is connected to the indoor air intake path 31 leading to the indoor R. On the other hand, the connection end portion of the pair of first flow paths 4a and 4b on the outdoor O side (the connection end portion on the upper side in the drawing) is connected to the exhaust passage 25 leading to the outdoor O.
Further, an indoor air discharge path 24 leading to a confluence portion 24a on the lower side of the heat collection space 20 of the heat collection outside air introduction path 21 is connected to the indoor air intake path 31 connected to the first flow paths 4a and 4b. Has been done.

一対の第２流路５ａ，５ｂの夫々には、一対の第２開閉弁８ａ，８ｂが夫々設けられており、これら一対の第２開閉弁８ａ，８ｂが制御装置５０により交互に開閉されることで、一対の第２流路５ａ，５ｂを通じて一方側の接続端部から他方側の接続端部に通流する空気が、これら一対の第２流路５ａ，５ｂの夫々を交互に通流することになる。
また、一対の第２流路５ａ，５ｂの屋内Ｒ側の接続端部（図面において下方側の接続端部）は、屋内Ｒに通じる給気路３２に接続されている。一方、一対の第２流路５ａ，５ｂの屋外Ｏ側の接続端部（図面において上方側の接続端部）は、屋外Ｏに通じる集熱外気導入路２１に接続されている。
また、第２流路５ａ，５ｂに接続された給気路３２には、屋外Ｏに通じる集熱外気排出路２３が接続されており、この集熱外気排出路２３との接続部の屋内Ｒ側には、制御装置５０により開閉作動される開閉弁１０が設けられている。 A pair of second on-off valves 8a and 8b are provided in each of the pair of second flow paths 5a and 5b, and the pair of second on-off valves 8a and 8b are alternately opened and closed by the control device 50. As a result, the air flowing from the connection end on one side to the connection end on the other side through the pair of second flow paths 5a and 5b alternately flows through each of the pair of second flow paths 5a and 5b. Will be done.
Further, the connection end portion of the pair of second flow paths 5a and 5b on the indoor R side (the connection end portion on the lower side in the drawing) is connected to the air supply passage 32 leading to the indoor R. On the other hand, the connection end portion of the pair of second flow paths 5a and 5b on the outdoor O side (the connection end portion on the upper side in the drawing) is connected to the heat collecting outside air introduction path 21 leading to the outdoor O.
Further, a heat collecting outside air discharge path 23 leading to the outdoor O is connected to the supply air passage 32 connected to the second flow paths 5a and 5b, and the indoor R of the connection portion with the heat collecting outside air discharge path 23 is connected. An on-off valve 10 that is opened and closed by the control device 50 is provided on the side.

一対の第３流路６ａ，６ｂの夫々には、一対の第３開閉弁９ａ，９ｂが夫々設けられており、これら一対の第３開閉弁９ａ，９ｂが制御装置５０により交互に開閉されることで、一対の第３流路６ａ，６ｂを通じて一方側の接続端部から他方側の接続端部に通流する空気が、これら一対の第３流路６ａ，６ｂの夫々を交互に通流することになる。
また、一対の第３流路６ａ，６ｂの屋内Ｒ側の接続端部（図面において下方側の接続端部）は、屋内Ｒに通じる給気路３３に接続されている。一方、一対の第３流路６ａ，６ｂの屋外Ｏ側の接続端部（図面において上方側の接続端部）は、屋外Ｏに通じる直接外気導入路２２に接続されている。
また、直接外気導入路２２の屋外Ｏへの開放部には温度センサ４６が設けられている。即ち、この温度センサ４６は、外気ＯＡの温度を計測し、その計測温度を制御装置５０に出力する。 A pair of third on-off valves 9a and 9b are provided in each of the pair of third flow paths 6a and 6b, and the pair of third on-off valves 9a and 9b are alternately opened and closed by the control device 50. As a result, the air flowing from the connection end on one side to the connection end on the other side through the pair of third flow paths 6a and 6b alternately flows through each of the pair of third flow paths 6a and 6b. Will be done.
Further, the connection end portion of the pair of third flow paths 6a and 6b on the indoor R side (the connection end portion on the lower side in the drawing) is connected to the air supply passage 33 leading to the indoor R. On the other hand, the connection end portion of the pair of third flow paths 6a and 6b on the outdoor O side (the connection end portion on the upper side in the drawing) is directly connected to the outside air introduction path 22 leading to the outdoor O.
Further, a temperature sensor 46 is provided at the opening portion of the direct outside air introduction path 22 to the outdoor O. That is, the temperature sensor 46 measures the temperature of the outside air OA and outputs the measured temperature to the control device 50.

また、調湿換気システムの運転を制御する制御装置５０は、詳細については後述するが、主に冬季において屋内Ｒへ供給する給気ＳＡを加湿する加湿運転モードを実行可能に構成されており、更に、このような加湿運転モードを実行するにあたり、集熱外気導入路２１を通流する外気ＯＡの昇温状態を判定する昇温状態判定手段５１と、この昇温状態判定手段５１の判定結果に基づいて、第１加湿運転モードと第２加湿運転モードとを切り替える運転モード切替手段５２として機能する。また、制御装置５０は、主に夏季において屋内Ｒへ供給する給気ＳＡを除湿する除湿運転モードを実行可能に構成されている。
以下、これら各運転モード、並びに、運転モード切替手段５２による加湿運転モードの切り替えに関して説明を加える。 Further, the control device 50 that controls the operation of the humidity control ventilation system is configured to be able to execute a humidification operation mode that humidifies the supply air SA supplied to the indoor R mainly in winter, although the details will be described later. Further, in executing such a humidification operation mode, the temperature rise state determining means 51 for determining the temperature rise state of the outside air OA passing through the heat collecting outside air introduction path 21, and the determination result of the temperature rise state determination means 51. Based on the above, it functions as an operation mode switching means 52 for switching between the first humidification operation mode and the second humidification operation mode. Further, the control device 50 is configured to be able to execute a dehumidifying operation mode for dehumidifying the supply air SA supplied to the indoor R mainly in the summer.
Hereinafter, each of these operation modes and the switching of the humidification operation mode by the operation mode switching means 52 will be described.

〔第１加湿運転モード〕
図１に示す第１加湿運転モードは、主に冬季において日射熱Ｈによる集熱外気導入路２１の集熱空間２０を通流した後の外気ＯＡの昇温が期待される場合に、屋内Ｒへ供給される給気ＳＡを加湿する目的で実行される。
その第１加湿運転モードでは、屋内Ｒから屋内空気取込路３１を介して取り込んだ屋内空気ＲＡを吸着対象空気Ａ１として調湿手段２に供給して吸着材３ａ，３ｂのうちの吸着状態となる吸着材に水分を吸着させた後に排気路２５を介して屋外Ｏへ排出する。同時に、集熱外気導入路２１から取り込んだ外気ＯＡを放出対象空気Ａ２として調湿手段２に供給して吸着材３ａ，３ｂのうちの放出状態となる吸着材から水分を放出させて加湿した後に給気路３２を介して屋内Ｒに供給する。 [1st humidification operation mode]
The first humidification operation mode shown in FIG. 1 is an indoor R when it is expected that the outside air OA will rise after passing through the heat collecting space 20 of the heat collecting outside air introduction path 21 by the solar heat H mainly in winter. It is executed for the purpose of humidifying the supply air SA supplied to.
In the first humidification operation mode, the indoor air RA taken in from the indoor R via the indoor air intake path 31 is supplied to the humidity control means 2 as the adsorption target air A1 to obtain the adsorption state of the adsorbents 3a and 3b. After adsorbing water on the adsorbent, it is discharged to the outdoor O through the exhaust passage 25. At the same time, after the outside air OA taken in from the heat collecting outside air introduction path 21 is supplied to the humidity control means 2 as the release target air A2, moisture is released from the adsorbent in the release state of the adsorbents 3a and 3b to humidify. It is supplied to the indoor R via the air supply path 32.

具体的には、この第１加湿運転モードでは、第１開閉弁７ａ，７ｂ及び第２開閉弁８ａ，８ｂが所定の単位時間間隔で互いに逆の位相で交互に開閉操作され、第３開閉弁９ａ，９ｂが閉弁状態に維持され、開閉弁１０が開弁状態に維持された状態で、運転が行われる。 Specifically, in this first humidification operation mode, the first on-off valves 7a and 7b and the second on-off valves 8a and 8b are alternately opened and closed in opposite phases at predetermined unit time intervals, and the third on-off valve is operated. The operation is performed with the valves 9a and 9b maintained in the closed state and the on-off valve 10 maintained in the open state.

すると、屋内Ｒから屋内空気取込路３１に取り込まれた比較的高温で多湿な屋内空気ＲＡは、吸着対象空気Ａ１として調湿手段２の第１流路４ａ，４ｂに供給されて、一対の吸着材３ａ，３ｂのうちの、後述のように十分に乾燥した吸着材（例えば吸着材３ｂ）に接触する。このことで、その吸着材は、吸着対象空気Ａ１である屋内空気ＲＡから水分を吸着する吸着状態となって、当該屋内空気ＲＡから多くの水分を吸着して湿潤する。一方、この吸着状態の吸着材を通過した屋内空気ＲＡは、排気路２５を介して屋外Ｏに排気ＥＡとして排出される。 Then, the relatively high temperature and high humidity indoor air RA taken into the indoor air intake path 31 from the indoor R is supplied to the first flow paths 4a and 4b of the humidity control means 2 as the adsorption target air A1 and is paired. Of the adsorbents 3a and 3b, the adsorbent comes into contact with a sufficiently dry adsorbent (for example, the adsorbent 3b) as described later. As a result, the adsorbent is in an adsorbed state in which moisture is adsorbed from the indoor air RA, which is the air A1 to be adsorbed, and a large amount of moisture is adsorbed from the indoor air RA to be moistened. On the other hand, the indoor air RA that has passed through the adsorbent in this adsorbed state is discharged to the outdoor O as exhaust EA via the exhaust passage 25.

また、屋外Ｏから取り込まれて集熱外気導入路２１を通流した外気ＯＡは、日射熱Ｈが与えられて昇温することで湿度（相対湿度）が低下し、放出対象空気Ａ２として調湿手段２の第２流路５ａ，５ｂに供給されて、一対の吸着材３ａ，３ｂのうちの、前述のように吸着対象空気Ａ１から多くの水分を吸着することで湿潤した吸着材（例えば吸着材３ａ）に接触する。このことで、その吸着材は、放出対象空気Ａ２である外気ＯＡへ水分を放出する放出状態となり、更には当該外気ＯＡが高温で低湿なことで水分の放出が促進されて、十分に乾燥する。一方、この放出状態の吸着材を通過して十分に加湿された外気ＯＡは、給気路３２を介して屋内Ｒに給気ＳＡとして供給されることになるので、加湿効率が向上される。また、このように屋内Ｒに供給される給気ＳＡは、集熱外気導入路２１を通流して日射熱Ｈにより昇温した外気ＯＡであるので、屋内Ｒの暖房を行う空調機器（図示省略）における屋内Ｒの暖房負荷が軽減されることになる。 Further, the outside air OA taken in from the outdoor O and passed through the heat collecting outside air introduction path 21 is given the solar heat H to raise the temperature, and the humidity (relative humidity) decreases, and the humidity is controlled as the air to be released A2. An adsorbent (for example, adsorbed) supplied to the second flow paths 5a and 5b of the means 2 and moistened by adsorbing a large amount of water from the air A1 to be adsorbed as described above among the pair of adsorbents 3a and 3b. Contact material 3a). As a result, the adsorbent is in a release state in which moisture is released to the outside air OA, which is the release target air A2, and further, the outside air OA is hot and low in humidity, so that the release of moisture is promoted and the adsorbent is sufficiently dried. .. On the other hand, the outside air OA that has passed through the adsorbent in the released state and is sufficiently humidified is supplied to the indoor R as the supply air SA via the supply air passage 32, so that the humidification efficiency is improved. Further, since the supply air SA supplied to the indoor R in this way is the outside air OA that has passed through the heat collecting outside air introduction path 21 and has been heated by the solar heat H, it is an air conditioner that heats the indoor R (not shown). ), The heating load of the indoor R will be reduced.

〔第２加湿運転モード〕
図２に示す第２加湿運転モードは、主に冬季において傾斜屋根部１ａの積雪等により日射熱Ｈによる集熱外気導入路２１の集熱空間２０を通流した後の外気ＯＡの昇温が期待できない場合に、屋内Ｒへ供給される給気ＳＡを加湿する目的で実行される。
その第２加湿運転モードでは、屋内Ｒから屋内空気取込路３１を介して取り込んだ屋内空気ＲＡを吸着対象空気Ａ１として調湿手段２に供給して吸着材３ａ，３ｂのうちの吸着状態となる吸着材に水分を吸着させた後に排気路２５を介して屋外Ｏへ排出する。同時に、直接外気導入路２２から取り込んだ外気ＯＡを放出対象空気Ａ２として調湿手段２に供給して吸着材３ａ，３ｂのうちの放出状態となる吸着材から水分を放出させて加湿した後に給気路３３を介して屋内Ｒに供給する。 [Second humidification operation mode]
In the second humidification operation mode shown in FIG. 2, the temperature rise of the outside air OA after passing through the heat collecting space 20 of the heat collecting outside air introduction path 21 by the solar heat H due to the snow cover of the inclined roof portion 1a or the like mainly in winter. When it cannot be expected, it is executed for the purpose of humidifying the supply air SA supplied to the indoor R.
In the second humidification operation mode, the indoor air RA taken in from the indoor R via the indoor air intake path 31 is supplied to the humidity control means 2 as the adsorption target air A1 to obtain the adsorption state of the adsorbents 3a and 3b. After adsorbing water on the adsorbent, it is discharged to the outdoor O through the exhaust passage 25. At the same time, the outside air OA taken directly from the outside air introduction path 22 is supplied to the humidity control means 2 as the release target air A2, and moisture is released from the adsorbent in the release state of the adsorbents 3a and 3b to humidify and then supply the air. It is supplied to the indoor R via the air passage 33.

具体的には、この第２加湿運転モードでは、第１開閉弁７ａ，７ｂ及び第３開閉弁９ａ，９ｂが所定の単位時間間隔で互いに逆の位相で交互に開閉操作され、第２開閉弁８ａ，８ｂが閉弁状態に維持され、開閉弁１０が閉弁状態に維持された状態で、運転が行われる。 Specifically, in this second humidification operation mode, the first on-off valves 7a and 7b and the third on-off valves 9a and 9b are alternately opened and closed in opposite phases at predetermined unit time intervals, and the second on-off valve is operated. The operation is performed with the valves 8a and 8b maintained in the closed state and the on-off valve 10 maintained in the closed state.

すると、屋内Ｒから屋内空気取込路３１に取り込まれた比較的高温で多湿な屋内空気ＲＡは、吸着対象空気Ａ１として調湿手段２の第１流路４ａ，４ｂに供給されて、一対の吸着材３ａ，３ｂのうちの、後述のように乾燥した吸着材（例えば吸着材３ｂ）に接触する。このことで、その吸着材は、吸着対象空気Ａ１である屋内空気ＲＡから水分を吸着する吸着状態となって、当該屋内空気ＲＡから多くの水分を吸着して湿潤する。一方、この吸着状態の吸着材を通過した屋内空気ＲＡは、排気路２５を介して屋外Ｏに排気ＥＡとして排出される。 Then, the relatively high temperature and high humidity indoor air RA taken into the indoor air intake path 31 from the indoor R is supplied to the first flow paths 4a and 4b of the humidity control means 2 as the adsorption target air A1 and is paired. Of the adsorbents 3a and 3b, the adsorbent comes into contact with a dry adsorbent (for example, the adsorbent 3b) as described later. As a result, the adsorbent is in an adsorbed state in which moisture is adsorbed from the indoor air RA, which is the air A1 to be adsorbed, and a large amount of moisture is adsorbed from the indoor air RA to be moistened. On the other hand, the indoor air RA that has passed through the adsorbent in this adsorbed state is discharged to the outdoor O as exhaust EA via the exhaust passage 25.

また、屋外Ｏから直接外気導入路２２に取り込まれた外気ＯＡは、放出対象空気Ａ２として調湿手段２の第３流路６ａ，６ｂに供給されて、一対の吸着材３ａ，３ｂのうちの、前述のように吸着対象空気Ａ１から水分を吸着することで湿潤した吸着材（例えば吸着材３ｂ）に接触する。このことで、その吸着材は、放出対象空気Ａ２である外気ＯＡへ水分を放出する放出状態となって、当該外気ＯＡへ水分が放出されて乾燥する。一方、この放出状態の吸着材を通過して加湿された外気ＯＡは、給気路３３を介して屋内Ｒに給気ＳＡとして供給される。 Further, the outside air OA directly taken into the outside air introduction path 22 from the outdoor O is supplied to the third flow paths 6a and 6b of the humidity control means 2 as the discharge target air A2, and is among the pair of adsorbents 3a and 3b. As described above, by adsorbing water from the adsorbed air A1, it comes into contact with a wet adsorbent (for example, adsorbent 3b). As a result, the adsorbent is in a release state in which moisture is released to the outside air OA, which is the release target air A2, and the moisture is released to the outside air OA to dry. On the other hand, the outside air OA that has passed through the adsorbent in the released state and is humidified is supplied to the indoor R as the supply air SA via the supply air passage 33.

そして、第２加湿運転モードでは、集熱外気導入路２１から取り込まれる外気ＯＡは、直接外気導入路２２から取り込まれる外気ＯＡよりも低温で高湿になる場合であっても、できるだけ高温で低湿な外気ＯＡを直接外気導入路２２から取り込んで放出対象空気Ａ２として直接調湿手段２に供給する。このことで、集熱外気導入路２１から取り込んだ外気ＯＡが低温で高湿なものとなることに起因する加湿効率の低下や暖房負荷の増加が抑制される。 Then, in the second humidification operation mode, the outside air OA taken in from the heat collecting outside air introduction path 21 is as high as possible and low in humidity even when the outside air OA taken in directly from the outside air introduction path 22 is lower in temperature and higher in humidity. The outside air OA is directly taken in from the outside air introduction path 22 and directly supplied to the humidity control means 2 as the release target air A2. As a result, the decrease in humidification efficiency and the increase in heating load due to the fact that the outside air OA taken in from the heat collecting outside air introduction path 21 becomes low temperature and high humidity are suppressed.

〔加湿運転モードの切り替え〕
昇温状態判定手段５１は、温度センサ４６で計測された外気ＯＡの温度を基準にし、温度センサ４５で計測された集熱外気導入路２１の集熱空間２０を通流した後の外気ＯＡの温度が上記基準となる外気ＯＡの温度を超える場合には、日射熱Ｈによる集熱外気導入路２１を通流する外気ＯＡの昇温が行われると判定する。逆に、昇温状態判定手段５１は、温度センサ４５で計測された集熱外気導入路２１の集熱空間２０を通流した後の外気ＯＡの温度が上記基準となる外気ＯＡの温度以下の場合には、日射熱Ｈによる集熱外気導入路２１を通流する外気ＯＡの昇温が行われないと判定する。そして、昇温状態判定手段５１により、日射熱Ｈによる集熱外気導入路２１を通流する外気ＯＡの昇温が行われると判定された場合には、運転モード切替手段５２により、適宜開閉弁の開閉状態を切り替えて、上述したような集熱外気導入路２１を介して外気ＯＡを取り込む第１加湿運転モードによる運転が実行される。逆に、昇温状態判定手段５１により、日射熱Ｈによる集熱外気導入路２１を通流する外気ＯＡの昇温が行われないと判定された場合には、運転モード切替手段５２により、適宜開閉弁の開閉状態を切り替えて、上述したような集熱外気導入路２１を利用せずに直接外気導入路２２を介して外気ＯＡを取り込む第２加湿運転モードによる運転が実行される。 [Switching humidification operation mode]
The temperature rising state determining means 51 uses the temperature of the outside air OA measured by the temperature sensor 46 as a reference, and the outside air OA after passing through the heat collecting space 20 of the heat collecting outside air introduction path 21 measured by the temperature sensor 45. When the temperature exceeds the temperature of the outside air OA which is the above-mentioned reference, it is determined that the temperature of the outside air OA passing through the heat collecting outside air introduction path 21 by the solar heat H is raised. On the contrary, in the temperature rising state determining means 51, the temperature of the outside air OA after passing through the heat collecting space 20 of the heat collecting outside air introduction path 21 measured by the temperature sensor 45 is equal to or lower than the temperature of the outside air OA which is the above-mentioned reference. In this case, it is determined that the temperature of the outside air OA passing through the heat collecting outside air introduction path 21 by the solar heat H is not raised. Then, when it is determined by the temperature rising state determining means 51 that the temperature of the outside air OA passing through the heat collecting outside air introduction path 21 by the solar heat H is raised, the operation mode switching means 52 appropriately raises the on-off valve. The operation in the first humidification operation mode in which the outside air OA is taken in through the heat collecting outside air introduction path 21 as described above is executed by switching the open / closed state of. On the contrary, when it is determined by the temperature rising state determining means 51 that the temperature of the outside air OA passing through the heat collecting outside air introduction path 21 by the solar heat H is not raised, the operation mode switching means 52 appropriately determines that the temperature of the outside air OA is not raised. The operation in the second humidification operation mode in which the open / closed state of the on-off valve is switched and the outside air OA is taken in directly through the outside air introduction path 22 without using the heat collecting outside air introduction path 21 as described above is executed.

このように、昇温状態判定手段５１の判定結果に基づいて第１加湿運転モードと第２加湿運転モードとの自動切り替えが運転モード切替手段５２により行われることで、調湿手段２には、できるだけ高温の外気ＯＡが放出対象空気Ａ２として供給されることになり、結果、加湿効率を高いものに維持することができる。 In this way, the operation mode switching means 52 automatically switches between the first humidification operation mode and the second humidification operation mode based on the determination result of the temperature rise state determination means 51, so that the humidity control means 2 can be subjected to. The outside air OA as high as possible is supplied as the release target air A2, and as a result, the humidification efficiency can be maintained high.

〔除湿運転モード〕
図３に示す除湿運転モードは、主に夏季において屋内Ｒへ供給される給気ＳＡを除湿する目的で実行される。
その除湿運転モードでは、直接外気導入路２２から取り込んだ外気ＯＡを吸着対象空気Ａ１として調湿手段２に供給して吸着材３ａ，３ｂのうちの吸着状態となる吸着材に水分を吸着させて除湿した後に給気路３３を介して屋内Ｒに供給する。同時に、集熱外気導入路２１から取り込んだ外気ＯＡを放出対象空気Ａ２として調湿手段２に供給して吸着材３ａ，３ｂのうちの放出状態となる吸着材の水分を放出させた後に集熱外気排出路２３から屋外Ｏへ排出する。更に、屋内Ｒから取り込んだ屋内空気ＲＡを屋内空気排出路２４から屋外Ｏへ排出する。 [Dehumidifying operation mode]
The dehumidifying operation mode shown in FIG. 3 is executed mainly for the purpose of dehumidifying the supply air SA supplied to the indoor R in the summer.
In the dehumidifying operation mode, the outside air OA taken directly from the outside air introduction path 22 is supplied to the humidity control means 2 as the adsorption target air A1 and the moisture is adsorbed on the adsorbent in the adsorbed state 3a, 3b. After dehumidifying, it is supplied to the indoor R via the air supply channel 33. At the same time, the outside air OA taken in from the heat collecting outside air introduction path 21 is supplied to the humidity control means 2 as the release target air A2 to release the moisture of the adsorbent that is in the released state among the adsorbents 3a and 3b, and then heat is collected. It is discharged from the outside air discharge path 23 to the outdoor O. Further, the indoor air RA taken in from the indoor R is discharged from the indoor air discharge path 24 to the outdoor O.

具体的には、この除湿運転モードでは、第２開閉弁８ａ，８ｂ及び第３開閉弁９ａ，９ｂが所定の単位時間間隔で互いに逆の位相で交互に開閉操作され、第１開閉弁７ａ，７ｂ及び開閉弁１０が閉弁状態に維持された状態で、運転が行われる。 Specifically, in this dehumidifying operation mode, the second on-off valves 8a and 8b and the third on-off valves 9a and 9b are alternately opened and closed in opposite phases at predetermined unit time intervals, and the first on-off valves 7a, The operation is performed with the 7b and the on-off valve 10 maintained in the closed state.

すると、屋外Ｏから直接外気導入路２２に取り込まれた外気ＯＡは、吸着対象空気Ａ１として調湿手段２の第３流路６ａ，６ｂに供給されて、一対の吸着材３ａ，３ｂのうちの、後述のように十分に乾燥した吸着材（例えば吸着材３ａ）に接触する。このことで、その吸着材は、吸着対象空気Ａ１である外気ＯＡから水分を吸着する吸着状態となって、当該外気ＯＡから多くの水分を吸着して湿潤する。一方、この吸着状態の吸着材を通過して十分に除湿された外気ＯＡは、給気路３３を介して屋内Ｒに給気ＳＡとして供給されるので、除湿効率が向上される。また、夏季において集熱外気導入路２１を通流する外気ＯＡは、調湿手段２を通過した後に、屋内Ｒに供給されることなく屋外Ｏに排出される。よって、集熱外気導入路２１に伝達された日射熱Ｈは、その外気ＯＡと共に屋外Ｏに排出されることになるので、当該日射熱Ｈが傾斜屋根部１ａを介して屋内Ｒ側に伝達される所謂熱貫流が抑制されることなり、結果、屋内Ｒの冷房を行う空調機器（図示省略）における屋内Ｒの冷房負荷が軽減されることになる。 Then, the outside air OA directly taken into the outside air introduction path 22 from the outdoor O is supplied to the third flow paths 6a and 6b of the humidity control means 2 as the adsorption target air A1 and is among the pair of adsorbents 3a and 3b. , Contact with a sufficiently dry adsorbent (for example, adsorbent 3a) as described below. As a result, the adsorbent is in an adsorbed state in which moisture is adsorbed from the outside air OA, which is the air A1 to be adsorbed, and a large amount of moisture is adsorbed from the outside air OA to be moistened. On the other hand, the outside air OA that has passed through the adsorbent in the adsorbed state and is sufficiently dehumidified is supplied to the indoor R as the air supply SA via the air supply path 33, so that the dehumidification efficiency is improved. Further, in the summer, the outside air OA passing through the heat collecting outside air introduction path 21 is discharged to the outdoor O without being supplied to the indoor R after passing through the humidity control means 2. Therefore, the solar heat H transmitted to the heat collecting outside air introduction path 21 is discharged to the outdoor O together with the outside air OA, so that the solar heat H is transmitted to the indoor R side via the inclined roof portion 1a. The so-called thermal transmission is suppressed, and as a result, the cooling load of the indoor R in the air conditioner (not shown) for cooling the indoor R is reduced.

また、屋外Ｏから取り込まれて集熱外気導入路２１を通流した外気ＯＡは、日射熱Ｈが与えられて昇温して高温で低湿なものとなり、放出対象空気Ａ２として調湿手段２の第２流路５ａ，５ｂに供給されて、一対の吸着材３ａ，３ｂのうちの、前述のように吸着対象空気Ａ１から水分を吸着して湿潤した吸着材（例えば吸着材３ｂ）に接触する。このことで、その吸着材は、放出対象空気Ａ２である外気ＯＡへ水分を放出する放出状態となり、更には当該外気ＯＡが高温で低湿なことで水分の放出が促進されて、十分に乾燥する。一方、この放出状態の吸着材を通過した外気ＯＡは、集熱外気排出路２３を介して屋外Ｏに排気ＥＡとして排出される。 Further, the outside air OA taken in from the outdoor O and passed through the heat collecting outside air introduction path 21 is given the solar heat H to raise the temperature to become high temperature and low humidity, and the humidity control means 2 is used as the discharge target air A2. It is supplied to the second flow path 5a, 5b and comes into contact with a wet adsorbent (for example, adsorbent 3b) by adsorbing moisture from the adsorbed air A1 as described above among the pair of adsorbents 3a, 3b. .. As a result, the adsorbent is in a release state in which moisture is released to the outside air OA, which is the release target air A2, and further, the outside air OA is hot and low in humidity, so that the release of moisture is promoted and the adsorbent is sufficiently dried. .. On the other hand, the outside air OA that has passed through the adsorbent in this released state is discharged to the outdoor O as exhaust EA via the heat collecting outside air discharge path 23.

また、屋内Ｒから屋内空気取込路３１に取り込まれた比較的低湿な屋内空気ＲＡは、屋内空気排出路２４から集熱外気導入路２１の集熱空間２０の下方側の合流部２４ａに合流する。そして、この合流した屋内空気ＲＡは、集熱外気導入路２１に取り込まれた外気ＯＡと共に、放出対象空気Ａ２として調湿手段２を通過した後に、集熱外気排出路２３を介して屋外Ｏに排出されることになる。
このことで、集熱外気導入路２１には、外気ＯＡに加えて、比較的低湿な屋内空気ＲＡが通流することになる。このことで、集熱外気導入路２１から調湿手段２へ供給される放出対象空気Ａ２の湿度を低下させ、放出状態の吸着材からの水分の放出を促進させて、除湿効率を向上することができる。 Further, the relatively low-humidity indoor air RA taken into the indoor air intake path 31 from the indoor R joins the confluence portion 24a on the lower side of the heat collection space 20 of the heat collection outside air introduction path 21 from the indoor air discharge path 24. To do. Then, the merged indoor air RA, together with the outside air OA taken into the heat collecting outside air introduction path 21, passes through the humidity control means 2 as the discharge target air A2, and then goes to the outdoor O via the heat collecting outside air discharge path 23. It will be discharged.
As a result, in addition to the outside air OA, the relatively low humidity indoor air RA passes through the heat collecting outside air introduction path 21. As a result, the humidity of the release target air A2 supplied from the heat collecting outside air introduction path 21 to the humidity control means 2 is lowered, the release of moisture from the adsorbent in the released state is promoted, and the dehumidification efficiency is improved. Can be done.

〔第２実施形態〕
本発明に係る調湿換気システムの第２実施形態について、図４〜図６に基づいて説明する。
尚、本実施形態の調湿換気システムは、上述した第１実施形態に対して、傾斜屋根部１ａの内部空間構造や排気路２５の配置等に関して相違する。よって、他の同様の構成については、図面において同じ符号を付すと共に、詳細な説明は割愛する場合がある。 [Second Embodiment]
A second embodiment of the humidity control ventilation system according to the present invention will be described with reference to FIGS. 4 to 6.
The humidity control and ventilation system of the present embodiment is different from the first embodiment described above in terms of the internal space structure of the inclined roof portion 1a, the arrangement of the exhaust passage 25, and the like. Therefore, other similar configurations may be designated by the same reference numerals in the drawings and detailed description thereof may be omitted.

具体的には、この調湿換気システムでは、傾斜屋根部１ａの内部空間が、外側の集熱空間２０と内側の排気空間４０とに区画形成された２層構造を有し、この排気空間４０は、集熱空間２０と同様に、下端部が屋外Ｏに開放されている。そして、調湿手段２の第１流路４ａ，４ｂを通流した屋内空気ＲＡを屋外Ｏへ排出するための排気路２５が、この排気空間４０を含む流路として構成されている。 Specifically, in this humidity control ventilation system, the internal space of the inclined roof portion 1a has a two-layer structure in which the outer heat collecting space 20 and the inner exhaust space 40 are partitioned, and the exhaust space 40. The lower end of the heat collecting space 20 is open to the outdoor O. The exhaust passage 25 for discharging the indoor air RA that has passed through the first flow paths 4a and 4b of the humidity control means 2 to the outdoor O is configured as a flow path including the exhaust space 40.

従って、第１加湿運転モード（図４参照）及び第２加湿運転モード（図５参照）では、屋内Ｒから屋内空気取込路３１に取り込まれた比較的高温の屋内空気ＲＡが、吸着対象空気Ａ１として調湿手段２の第１流路４ａ，４ｂを通流する。すると、この室内空気ＲＡは、吸着状態の吸着材（例えば吸着材３ｂ）が水分を吸着することにより生じる吸着熱を得て更に昇温した上で、排気路２５の排気空間４０を介して屋外Ｏに排気ＥＡとして排出されることになる。
このことで、主に冬季に実行される加湿運転モードにおいて、傾斜屋根部１ａの内部空間として形成された排気空間４０に、比較的高温の屋内空気ＲＡが通流することになるので、排気空間４０が形成された傾斜屋根部１ａと屋内Ｒとの温度差が小さくなる。よって、屋内Ｒの熱が傾斜屋根部１ａを介して屋外Ｏに伝達される所謂熱貫流が抑制されることになり、結果、屋内Ｒの暖房負荷が軽減されることになる。 Therefore, in the first humidification operation mode (see FIG. 4) and the second humidification operation mode (see FIG. 5), the relatively high temperature indoor air RA taken into the indoor air intake path 31 from the indoor R is the air to be adsorbed. As A1, the first flow paths 4a and 4b of the humidity control means 2 pass through. Then, the indoor air RA obtains the heat of adsorption generated by the adsorbent (for example, the adsorbent 3b) in the adsorbed state adsorbing moisture, raises the temperature further, and then outdoors through the exhaust space 40 of the exhaust passage 25. It will be discharged to O as exhaust EA.
As a result, in the humidification operation mode mainly executed in winter, the relatively high temperature indoor air RA passes through the exhaust space 40 formed as the internal space of the inclined roof portion 1a, so that the exhaust space The temperature difference between the inclined roof portion 1a on which 40 is formed and the indoor R becomes small. Therefore, the so-called thermal transmission in which the heat of the indoor R is transferred to the outdoor O via the inclined roof portion 1a is suppressed, and as a result, the heating load of the indoor R is reduced.

更に、調湿手段２の一対の第１流路４ａ，４ｂにおいて、屋外Ｏ側の接続端部と屋内Ｒ側の接続端部とを接続して吸着材３ａ，３ｂをバイパスするバイパス路４１が設けられており、このバイパス路４１には、制御装置５０により開閉作動される開閉弁４２が設けられている。そして、この開閉弁４２は、上述した第１加湿運転モード（図４参照）及び第２加湿運転モード（図５参照）では閉弁状態とされるが、除湿運転モード（図６参照）では開弁状態とされる。
よって、除湿運転モード（図６参照）では、屋内Ｒから屋内空気取込路３１に取り込まれた比較的低温な屋内空気ＲＡが、バイパス路４１を介して排気路２５に導かれ、排気路２５の排気空間４０を介して屋外Ｏに排気ＥＡとして排出されることになる。
このことで、主に夏季に実行される除湿運転モードにおいて、傾斜屋根部１ａの内部空間として形成された排気空間４０に、比較的低温の屋内空気ＲＡが通流することになるので、日射熱Ｈが傾斜屋根部１ａを介して屋内Ｒに伝達される所謂熱貫流が抑制され、屋内Ｒの冷房負荷が軽減されることになる。 Further, in the pair of first flow paths 4a and 4b of the humidity control means 2, there is a bypass path 41 that connects the connection end on the outdoor O side and the connection end on the indoor R side to bypass the adsorbents 3a and 3b. The bypass path 41 is provided with an on-off valve 42 that is opened and closed by the control device 50. The on-off valve 42 is closed in the first humidification operation mode (see FIG. 4) and the second humidification operation mode (see FIG. 5) described above, but is open in the dehumidification operation mode (see FIG. 6). It is in a valve state.
Therefore, in the dehumidifying operation mode (see FIG. 6), the relatively low temperature indoor air RA taken into the indoor air intake path 31 from the indoor R is guided to the exhaust path 25 via the bypass path 41, and is guided to the exhaust path 25. It will be exhausted as exhaust EA to the outdoor O through the exhaust space 40 of the above.
As a result, in the dehumidifying operation mode mainly executed in summer, the relatively low temperature indoor air RA passes through the exhaust space 40 formed as the internal space of the inclined roof portion 1a, so that the solar heat is emitted. The so-called thermal transmission in which H is transmitted to the indoor R via the inclined roof portion 1a is suppressed, and the cooling load of the indoor R is reduced.

〔別実施形態〕
（１）上記実施形態では、本発明に係る調湿換気システムを住宅等の建物１に適用した例を説明したが、住宅以外の建物に適用することもできる。 [Another Embodiment]
(1) In the above embodiment, an example in which the humidity control ventilation system according to the present invention is applied to a building 1 such as a house has been described, but it can also be applied to a building other than a house.

（２）上記実施形態では、集熱外気導入路２１の集熱空間２０を、建物１の傾斜屋根部１ａの内部空間として形成したが、かかる集熱空間を形成する建物部位については、日射が期待できる部位であれば、適宜変更しても構わない。例えば、外壁をダブルスキン構造で構成した場合において、当該外壁の内部空間を集熱空間として利用することもできる。また、建物の屋根部等に太陽電池パネルを設置した場合において、太陽電池パネルと屋根部との間の空間を、集熱空間として利用することもできる。 (2) In the above embodiment, the heat collecting space 20 of the heat collecting outside air introduction path 21 is formed as the internal space of the inclined roof portion 1a of the building 1, but the building portion forming the heat collecting space is exposed to sunlight. If it is a part that can be expected, it may be changed as appropriate. For example, when the outer wall is configured with a double-skin structure, the internal space of the outer wall can be used as a heat collecting space. Further, when the solar cell panel is installed on the roof of the building or the like, the space between the solar cell panel and the roof can be used as a heat collecting space.

（３）上記実施形態では、調湿手段２を、所謂静止型のデシカント式調湿装置として構成したが、吸着材で構成された吸着ロータを吸着対象空気Ａ１が通流する吸着部及び放出対象空気Ａ２が通流する放出部に亘って配置し、当該吸着ロータを回転駆動させることで、当該吸着材からの水分の放出と当該吸着材への水分の吸着とを行う所謂回転型のデシカント式調湿装置や、他の方式の調湿装置として構成しても構わない。 (3) In the above embodiment, the humidity control means 2 is configured as a so-called stationary desiccant type humidity control device, but the suction portion through which the suction target air A1 passes through the suction rotor composed of the suction material and the discharge target. A so-called rotary desiccant type that is arranged over a discharge portion through which air A2 flows and rotationally drives the adsorption rotor to release water from the adsorbent and adsorb water to the adsorbent. It may be configured as a humidity control device or another type of humidity control device.

（４）上記実施形態では、調湿手段２で調湿された給気ＳＡについては、直接屋内Ｒに供給するように構成したが、屋外Ｏへ排出される屋内空気ＲＡから顕熱や潜熱を回収する熱交換器を介して屋内Ｒに供給することで、更なる暖房負荷又は冷房負荷の低減を図るように構成しても構わない。 (4) In the above embodiment, the air supply SA whose humidity is controlled by the humidity control means 2 is configured to be directly supplied to the indoor R, but sensible heat or latent heat is generated from the indoor air RA discharged to the outdoor O. By supplying the heat exchanger to the indoor R via the heat exchanger to be recovered, the heating load or the cooling load may be further reduced.

（５）上記実施形態では、傾斜屋根部１ａの内部空間として形成された集熱空間２０の上端部は屋外Ｏに開放せずに調湿手段２に接続したが、例えば図７に示すように、当該集熱空間２０の上端部を屋外Ｏに開放する開放部２０ａを傾斜屋根部１ａに設けても構わない。このように構成すれば、集熱空間２０では、調湿換気システムが運転中であるか否かに拘らず、常時、日射熱Ｈにより外気ＯＡが昇温することで上昇流が生じ、その日射熱Ｈを受けて昇温した外気ＯＡが開放部２０ａから屋外ＯＡに排出されることになる。よって、日射熱Ｈが集熱空間２０を介して屋内Ｒ側に伝達されることを抑制し、屋内Ｒの冷房負荷の軽減を図ることができる。 (5) In the above embodiment, the upper end of the heat collecting space 20 formed as the internal space of the inclined roof portion 1a is connected to the humidity control means 2 without opening to the outdoor O. For example, as shown in FIG. An open portion 20a that opens the upper end portion of the heat collecting space 20 to the outdoor O may be provided in the inclined roof portion 1a. With this configuration, in the heat collecting space 20, regardless of whether the humidity control ventilation system is in operation or not, the outside air OA is constantly heated by the solar heat H to generate an upward flow, and the solar radiation is generated. The outside air OA that has been heated by receiving the heat H is discharged from the open portion 20a to the outdoor OA. Therefore, it is possible to suppress the transmission of the solar heat H to the indoor R side via the heat collecting space 20 and reduce the cooling load of the indoor R.

（６）上記実施形態では、第１加湿運転モードと第２加湿運転モードとの切り替えを、運転モード切替手段５２により昇温状態判定手段５１の判定結果に基づいて自動的に行うように構成したが、この構成に限定されるものではなく、運転モードを切替えるための構成については適宜変更しても構わない。例えば、昇温状態判定手段の判定結果によることなく、利用者の判断等により手動で切り替えるように構成しても構わない。 (6) In the above embodiment, the operation mode switching means 52 automatically switches between the first humidification operation mode and the second humidification operation mode based on the determination result of the temperature rise state determination means 51. However, the configuration is not limited to this, and the configuration for switching the operation mode may be appropriately changed. For example, it may be configured to be manually switched by the user's judgment or the like without depending on the judgment result of the temperature rise state determination means.

（７）上記実施形態では、集熱外気導入路２１の集熱空間２０を通流した後の外気ＯＡの温度を検知するための温度センサ４５を集熱空間２０の上方側に設置すると共に、外気ＯＡの温度を検知するための温度センサ４６を直接外気導入路２２の屋外Ｏへの開放部に設置したが、この構成に限定されるものではなく、これら温度センサ４５，４６の設置位置を適宜変更しても構わない。 (7) In the above embodiment, a temperature sensor 45 for detecting the temperature of the outside air OA after passing through the heat collecting space 20 of the heat collecting outside air introduction path 21 is installed on the upper side of the heat collecting space 20 and at the same time. The temperature sensor 46 for detecting the temperature of the outside air OA was installed directly in the open portion of the outside air introduction path 22 to the outdoor O, but the present invention is not limited to this configuration, and the installation positions of these temperature sensors 45 and 46 are set. You may change it as appropriate.

２ 調湿装置（調湿手段）
３ａ，３ｂ 吸着材
２１ 集熱外気導入路
２２ 直接外気導入路
２３ 集熱外気排出路
２４ 屋内空気排出路
５１ 昇温状態判定手段
５２ 運転モード切替手段
Ａ１ 吸着対象空気
Ａ２ 放出対象空気
ＳＡ 給気
ＥＡ 排気
ＯＡ 外気
ＲＡ 屋内空気
Ｏ 屋外
Ｒ 屋内
Ｈ 日射熱 2 Humidity control device (humidity control means)
3a, 3b Adsorbent 21 Heat collecting outside air introduction path 22 Direct outside air introduction path 23 Heat collecting outside air discharge path 24 Indoor air discharge path 51 Heating mode switching means 52 Operation mode switching means A1 Adsorption target air A2 Release target air SA Supply air EA Exhaust OA Outside air RA Indoor air O Outdoor R Indoor H Solar heat

Claims (6)

水分を吸放出可能な通気性の吸着材を有し、吸着対象空気の水分を前記吸着材に吸着すると共に、前記吸着材の水分を放出対象空気に放出する形態で、空気の調湿を行う調湿手段を備え、
屋外から取り込んだ外気を前記調湿手段に供給して調湿した後に屋内に供給すると共に、屋内から取り込んだ屋内空気を屋外へ排出する所定の運転モードで運転を行う調湿換気システムであって、
屋外から取り込んだ外気が通流し、当該通流する外気に日射熱を与える集熱外気導入路と、
屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路と、
前記集熱外気導入路から取り込まれて前記調湿手段を通過した後の外気を屋外へ排出する集熱外気排出路と、
屋内から取り込んだ屋内空気を屋外へ排出する屋内空気排出路と、を備え、
前記運転モードとして、
屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第１加湿運転モードと、
前記直接外気導入路から取り込んだ外気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させて除湿した後に屋内に供給し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材の水分を放出させた後に前記集熱外気排出路から屋外へ排出し、屋内から取り込んだ屋内空気を前記屋内空気排出路から屋外へ排出する除湿運転モードと、を有し、
前記屋内空気排出路が、屋内空気を前記集熱外気導入路に合流させる流路である調湿換気システム。 It has a breathable adsorbent capable of absorbing and releasing moisture, and adjusts the humidity of the air in a form in which the moisture of the air to be adsorbed is adsorbed to the adsorbent and the moisture of the adsorbent is discharged to the air to be released. Equipped with humidity control means
It is a humidity control ventilation system that operates in a predetermined operation mode in which the outside air taken in from the outside is supplied to the humidity control means to control the humidity and then supplied indoors, and the indoor air taken in from the inside is discharged to the outside. ,
A heat collecting outside air introduction path that allows the outside air taken in from the outside to pass through and gives solar heat to the flowing outside air,
A direct outside air introduction path that takes in outside air from the outside without going through the heat collection outside air introduction path,
A heat collecting outside air discharge path that is taken in from the heat collecting outside air introduction path and exhausts the outside air after passing through the humidity control means to the outside.
Equipped with an indoor air discharge path that discharges indoor air taken in from indoors to the outside,
As the operation mode,
The indoor air taken in from indoors is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent, and then discharged to the outside, and the outside air taken in from the heat collecting outside air introduction path is the release target air. In the first humidification operation mode, which is supplied to the humidity control means to release moisture from the adsorbent to humidify and then supply indoors.
The outside air taken in from the direct outside air introduction path is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent to dehumidify, and then the outside air is supplied indoors and taken in from the heat collecting outside air introduction path. Is supplied to the humidity control means as the release target air to release the moisture of the adsorbent, and then discharged to the outside from the heat collecting outside air discharge path, and the indoor air taken in from the indoor is discharged from the indoor air discharge path to the outside. have a, and a dehumidifying operation mode is discharged to,
The indoor air discharge passage, an indoor air the heat collecting air introduction path merging is to channel der Ru humidity control ventilation systems. 屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路を備え、
前記運転モードとして、屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記直接外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第２加湿運転モードを有する請求項１に記載の調湿換気システム。 Equipped with a direct outside air introduction path that takes in outside air from the outside without going through the heat collection outside air introduction path.
In the operation mode, the indoor air taken in from the room is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent, and then discharged to the outside, and the outside air taken in from the direct outside air introduction path is used. The humidity control ventilation system according to claim 1, further comprising a second humidification operation mode in which the air to be released is supplied to the humidity control means, moisture is released from the adsorbent to humidify the air, and then the air is supplied indoors. 前記集熱外気導入路を通流する外気の昇温状態を判定する昇温状態判定手段と、
前記運転モードとして、屋外から取り込んだ外気を前記調湿手段に供給して加湿した後に屋内に供給する加湿運転モードで運転を行うにあたり、前記昇温状態判定手段の判定結果に基づいて、前記第１加湿運転モードと前記第２加湿運転モードとを切り替える運転モード切替手段とを備えた請求項２に記載の調湿換気システム。 A heating state determining means for determining a heating state of the outside air flowing through the heat collecting outside air introduction path, and a heating state determining means.
As the operation mode, when the operation is performed in the humidification operation mode in which the outside air taken in from the outside is supplied to the humidity control means to humidify and then supplied indoors, the first operation is based on the determination result of the temperature rise state determination means. 1 The humidity control ventilation system according to claim 2, further comprising an operation mode switching means for switching between the humidification operation mode and the second humidification operation mode. 水分を吸放出可能な通気性の吸着材を有し、吸着対象空気の水分を前記吸着材に吸着すると共に、前記吸着材の水分を放出対象空気に放出する形態で、空気の調湿を行う調湿手段を備え、
屋外から取り込んだ外気を前記調湿手段に供給して調湿した後に屋内に供給すると共に、屋内から取り込んだ屋内空気を屋外へ排出する所定の運転モードで運転を行う調湿換気システムであって、
屋外から取り込んだ外気が通流し、当該通流する外気に日射熱を与える集熱外気導入路と、
屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路と、を備え、
前記運転モードとして、
屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第１加湿運転モードと、
屋内から取り込んだ屋内空気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させた後に屋外へ排出し、前記直接外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材から水分を放出させて加湿した後に屋内に供給する第２加湿運転モードと、を有し、
前記集熱外気導入路を通流する外気の昇温状態を判定する昇温状態判定手段と、
前記運転モードとして、屋外から取り込んだ外気を前記調湿手段に供給して加湿した後に屋内に供給する加湿運転モードで運転を行うにあたり、前記昇温状態判定手段の判定結果に基づいて、前記第１加湿運転モードと前記第２加湿運転モードとを切り替える運転モード切替手段とを備え、
前記昇温状態判定手段は、前記集熱外気導入路を通流する外気の昇温が行われるか否かを前記昇温状態として判定し、
前記運転モード切替手段は、前記集熱外気導入路を通流する外気の昇温が行われると前記昇温状態判定手段が判定した場合には前記第１加湿運転モードによる運転を実行し、前記集熱外気導入路を通流する外気の昇温が行われないと前記昇温状態判定手段が判定した場合には前記第２加湿運転モードによる運転を実行する調湿換気システム。 It has a breathable adsorbent capable of absorbing and releasing moisture, and adjusts the humidity of the air in a form in which the moisture of the air to be adsorbed is adsorbed to the adsorbent and the moisture of the adsorbent is discharged to the air to be released. Equipped with humidity control means
It is a humidity control ventilation system that operates in a predetermined operation mode in which the outside air taken in from the outside is supplied to the humidity control means to control the humidity and then supplied indoors, and the indoor air taken in from the inside is discharged to the outside. ,
A heat collecting outside air introduction path that allows the outside air taken in from the outside to pass through and gives solar heat to the flowing outside air,
It is equipped with a direct outside air introduction path that takes in outside air from the outside without going through the heat collection outside air introduction path.
As the operation mode,
The indoor air taken in from indoors is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent, and then discharged to the outside, and the outside air taken in from the heat collecting outside air introduction path is the release target air. In the first humidification operation mode, which is supplied to the humidity control means to release moisture from the adsorbent to humidify and then supply indoors.
Indoor air taken in from indoors is supplied to the humidity control means as the adsorption target air, moisture is adsorbed on the adsorbent, and then discharged to the outside, and the outside air taken in directly from the outside air introduction path is used as the release target air. It has a second humidification operation mode in which water is supplied to the humidity control means to release moisture from the adsorbent to humidify and then supply indoors.
A heating state determining means for determining a heating state of the outside air flowing through the heat collecting outside air introduction path, and a heating state determining means.
As the operation mode, when the operation is performed in the humidification operation mode in which the outside air taken in from the outside is supplied to the humidity control means to humidify and then supplied indoors, the first operation is based on the determination result of the temperature rise state determination means. It is provided with an operation mode switching means for switching between the 1 humidification operation mode and the second humidification operation mode.
The temperature rising state determining means determines whether or not the temperature of the outside air flowing through the heat collecting outside air introduction path is raised as the temperature rising state.
When the temperature rising state determining means determines that the temperature of the outside air flowing through the heat collecting outside air introduction path is raised, the operation mode switching means executes the operation in the first humidification operation mode, and the operation is performed. A humidity control ventilation system that executes an operation in the second humidification operation mode when the temperature rise state determining means determines that the temperature of the outside air flowing through the heat collecting outside air introduction path is not raised. 屋外から前記集熱外気導入路を介さずに外気を取り込む直接外気導入路と、
前記集熱外気導入路から取り込まれて前記調湿手段を通過した後の外気を屋外へ排出する集熱外気排出路と、
屋内から取り込んだ屋内空気を屋外へ排出する屋内空気排出路とを備え、
前記運転モードとして、前記直接外気導入路から取り込んだ外気を前記吸着対象空気として前記調湿手段に供給して前記吸着材に水分を吸着させて除湿した後に屋内に供給し、前記集熱外気導入路から取り込んだ外気を前記放出対象空気として前記調湿手段に供給して前記吸着材の水分を放出させた後に前記集熱外気排出路から屋外へ排出し、屋内から取り込んだ屋内空気を前記屋内空気排出路から屋外へ排出する除湿運転モードを有する請求項４に記載の調湿換気システム。 A direct outside air introduction path that takes in outside air from the outside without going through the heat collection outside air introduction path,
A heat collecting outside air discharge path that is taken in from the heat collecting outside air introduction path and exhausts the outside air after passing through the humidity control means to the outside.
Equipped with an indoor air discharge path that discharges indoor air taken in from indoors to the outside,
In the operation mode, the outside air taken in from the direct outside air introduction path is supplied to the humidity control means as the adsorption target air, the moisture is adsorbed by the adsorbent to dehumidify, and then the outside air is supplied indoors to introduce the heat collecting outside air. The outside air taken in from the path is supplied to the humidity control means as the release target air to release the moisture of the adsorbent, and then discharged to the outside from the heat collecting outside air discharge path, and the indoor air taken in from the room is discharged to the inside. The humidity control ventilation system according to claim 4, which has a dehumidifying operation mode for discharging air from an air discharge path to the outside. 前記屋内空気排出路が、屋内空気を前記集熱外気導入路に合流させる流路である請求項５に記載の調湿換気システム。The humidity control ventilation system according to claim 5, wherein the indoor air discharge path is a flow path for merging indoor air with the heat collecting outside air introduction path.
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