JP4467357B2 - Air conditioner - Google Patents

Air conditioner Download PDF

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JP4467357B2
JP4467357B2 JP2004136582A JP2004136582A JP4467357B2 JP 4467357 B2 JP4467357 B2 JP 4467357B2 JP 2004136582 A JP2004136582 A JP 2004136582A JP 2004136582 A JP2004136582 A JP 2004136582A JP 4467357 B2 JP4467357 B2 JP 4467357B2
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air
moisture
rotor
outside air
mode
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JP2005315545A (en
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浩志 岡野
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Seibu Giken Co Ltd
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Seibu Giken Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1423Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1004Bearings or driving means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1032Desiccant wheel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1044Rotary wheel performing other movements, e.g. sliding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1056Rotary wheel comprising a reheater
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1068Rotary wheel comprising one rotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1084Rotary wheel comprising two flow rotor segments

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)

Description

本発明は湿度調節を主に行う空調装置に関するもので、特に安価で四季を通じて使用可能なものを提供するものである。   The present invention relates to an air conditioner that mainly performs humidity adjustment, and particularly provides an air conditioner that is inexpensive and can be used throughout the four seasons.

一般的な空調装置は冷凍機を用いて冷暖房を行うもので、除湿は空気を冷却することによって結露させることによって行っている。このため、ある程度気温が低いと除湿が困難である。   A general air conditioner performs cooling and heating using a refrigerator, and dehumidification is performed by condensation by cooling air. For this reason, dehumidification is difficult if the temperature is low to some extent.

このような問題から、シリカゲルやゼオライトなどの吸着剤を用いることによって、除湿を行う除湿装置が開発され、冷凍機を用いる冷暖房装置と共に用いることによって所望の湿度の空気を作り快適な環境を得ることができるようになった。   Because of these problems, dehumidifiers that dehumidify using silica gel and zeolite adsorbents have been developed, and can be used in combination with air conditioners that use refrigerators to create air of a desired humidity and obtain a comfortable environment. Can now.

このような湿気吸着剤を用いた空調装置は、除湿装置として使われるのが一般的であるが、一部には大気中の湿気を室内へ供給する加湿装置としても使用可能なものの開発が求められている。このような技術として例えば特許文献1に開示されたものがある。
特許出願公開平成5年第346253号公報
The air conditioner using such a moisture adsorbent is generally used as a dehumidifying device, but in some cases, development of a device that can be used as a humidifying device that supplies atmospheric moisture to the room is required. It has been. An example of such a technique is disclosed in Patent Document 1.
Japanese Patent Application Publication No. 346253

特許文献1に開示されたものは湿気吸着剤を担持した除湿ロータに2つのヒータを組合せ、一方のヒータを動作させた時には除湿動作となり他方のヒータを動作させた時には加湿動作となるようにしたものである。   In the one disclosed in Patent Document 1, two heaters are combined with a dehumidification rotor carrying a moisture adsorbent so that when one heater is operated, the dehumidifying operation is performed, and when the other heater is operated, the humidifying operation is performed. Is.

近年の高気密住宅では所定量以上の換気が必要であり、特許文献1に開示されたもののように外気を除湿して室内へ供給したり、外気を加湿して室内に供給するようにすることが重要である。   In recent highly airtight houses, ventilation of a predetermined amount or more is necessary, and as disclosed in Patent Document 1, the outside air is dehumidified and supplied to the room, or the outside air is humidified and supplied to the room. is important.

しかし特許文献1に記載のものは、梅雨時のように極めて湿度が高い場合には室内空気の湿度よりも除湿された外気の方が湿度が高くなる場合があるという問題がある。つまり梅雨時のように室内空気や外気の絶対湿度が極めて高い場合、冷凍機による除湿の効果が高い。これに対して吸着剤を用いて除湿する場合、気温が低くても除湿可能である反面、多湿時の除湿量は冷凍式に分がある場合が多い。   However, the thing of patent document 1 has the problem that the humidity of the dehumidified outdoor air may become high rather than the humidity of indoor air, when humidity is very high like the rainy season. That is, when the absolute humidity of indoor air or outside air is extremely high, such as during the rainy season, the effect of dehumidification by the refrigerator is high. On the other hand, when dehumidification is performed using an adsorbent, dehumidification is possible even when the temperature is low, but the dehumidification amount at high humidity is often in a refrigeration system.

このため特に湿度が高い場合、外気を除湿ロータで除湿しても除湿ロータを通過した空気の湿度が室内の湿度より高くなる場合がある。このような状態では外気を除湿ロータで除湿して室内へ供給すると、除湿空気による室内空気の換気を行うことはできるのであるが、室内空気の湿度が次第に高くなるという問題がある。   Therefore, when the humidity is particularly high, the humidity of the air that has passed through the dehumidification rotor may be higher than the indoor humidity even if the outside air is dehumidified by the dehumidification rotor. In such a state, when the outside air is dehumidified by the dehumidifying rotor and supplied to the room, the room air can be ventilated by the dehumidified air, but there is a problem that the humidity of the room air gradually increases.

本発明は外気の条件に応じた除湿動作を行うことができ、冷凍機を用いた空調装置と組み合わせることによって快適な空間を提供可能で、かつ換気も可能な空調装置を提供しようとするものである。   The present invention is intended to provide an air conditioner that can perform a dehumidifying operation according to the condition of the outside air, can provide a comfortable space by combining with an air conditioner using a refrigerator, and can also ventilate. is there.

本件発明は以上のような課題を解決するため、2つの空気通路を有し、2つの空気通路の一方は外気を室内へ取り入れる通路で他方は室内空気を大気放出する通路となる全熱交換換気モードと、2つの空気通路の一方は外気を加熱して湿気交換ロータに通過させて大気放出する通路で他方は室内空気を湿気交換ロータに通過させて再び室内へ戻す除湿モードとを有するようにした。   In order to solve the above-described problems, the present invention has two air passages, one of the two air passages is a passage for taking outside air into the room, and the other is a passage for releasing indoor air to the atmosphere. One of the two air passages has a dehumidification mode in which one of the two air passages heats the outside air and passes it through the moisture exchange rotor to release it to the atmosphere, and the other has a dehumidification mode in which the room air passes through the moisture exchange rotor and returns to the room again. did.

本発明の空調装置は上記の如く構成したので、外気の湿度が極端に高い場合には室内空気を循環しながら除湿を行い、換気の必要に応じて外気を除湿して室内に供給することができる。またこの循環除湿動作と換気除湿動作との切り替えタイミングを外気条件や室内の条件に応じて変化させることが可能な空調装置を提供することができる。   Since the air conditioner of the present invention is configured as described above, when the humidity of the outside air is extremely high, dehumidification is performed while circulating the room air, and the outside air is dehumidified and supplied to the room as needed for ventilation. it can. Further, it is possible to provide an air conditioner capable of changing the switching timing between the circulation dehumidifying operation and the ventilation dehumidifying operation according to the outside air condition or the indoor condition.

本発明の請求項1に記載の発明は、2つの空気通路間で湿気と熱の交換を行う湿気交換ロータを有し、前記2つの空気通路の一方は外気を室内へ取り入れる通路で他方は室内空気を大気放出する通路となる全熱交換換気モード及び、ロータ回転数を遅くして加熱した外気を前記湿気交換ロータに通過させて脱着した湿気を室内に取り入れて加湿する加湿モードと、前記2つの空気通路の一方は外気を加熱して前記湿気交換ロータに通過させて大気放出する通路で他方は室内空気を前記湿気交換ロータに通過させて再び室内へ戻す除湿モードとを有し、これによって冷・暖房中に換気が必要であると全熱換気を行うことができ、加湿が必要な場合は加湿に、除湿が必要な場合には除湿にすることができるという作用を有する。   The invention according to claim 1 of the present invention has a moisture exchange rotor for exchanging moisture and heat between two air passages, one of the two air passages being a passage for taking outside air into the room and the other being a room. A total heat exchange ventilation mode serving as a passage through which air is released to the atmosphere, a humidification mode in which humidified air is introduced and humidified by passing the outside air heated by slowing the rotation speed of the rotor through the moisture exchange rotor, and the above-mentioned 2 One of the two air passages has a dehumidification mode in which the outside air is heated and passed through the moisture exchange rotor to be released to the atmosphere, and the other has a dehumidification mode in which room air is passed through the moisture exchange rotor and returned to the room again. When ventilation is necessary during cooling and heating, total heat ventilation can be performed. When humidification is necessary, humidification is achieved, and when dehumidification is necessary, dehumidification can be achieved.

以下本発明の空調装置の各実施例について図に沿って詳細に説明する。図1〜図4は本発明の実施例1を示す。除湿ロータ1はセラミック紙などの耐熱性のある紙をハニカム(蜂の巣)状に形成し、それにゼオライトやシリカゲル等の湿気吸着剤を担持したものである。   Embodiments of the air conditioner according to the present invention will be described below in detail with reference to the drawings. 1 to 4 show Embodiment 1 of the present invention. The dehumidification rotor 1 is formed by forming a heat-resistant paper such as ceramic paper in a honeycomb (honeycomb) shape and supporting a moisture adsorbent such as zeolite or silica gel.

この除湿ロータ1は図2で判るように回転式ダンパー2の上に設けられ、ロータ駆動用ギヤドモータ3によって0.3〜1回転/分程度の回転速度で回転する。回転式ダンパー2は互いに直交する仕切り板4,5を有し、仕切り板5には除湿ロータ1より僅かに大きな丸穴が設けられている。そしてその丸穴内に除湿ロータ1が挿入されている。そして回転式ダンパー2は除湿ロータ1とロータ駆動用ギヤドモータ3を搭載した状態で、ダンパー回転用ギヤドモータ6によって正逆方向に90度回転する。   As shown in FIG. 2, the dehumidifying rotor 1 is provided on a rotary damper 2 and is rotated by a rotor-driven geared motor 3 at a rotational speed of about 0.3 to 1 rotation / minute. The rotary damper 2 has partition plates 4 and 5 orthogonal to each other, and the partition plate 5 is provided with a round hole slightly larger than the dehumidifying rotor 1. A dehumidifying rotor 1 is inserted into the round hole. The rotary damper 2 is rotated 90 degrees in the forward and reverse directions by the damper rotating geared motor 6 with the dehumidifying rotor 1 and the rotor driving geared motor 3 mounted thereon.

図1及び図4に示すように、除湿空調装置は互いに平行な第1空気通路7及び第2空気通路8を有している。そして第1空気通路7にはヒータ9が設けられている。   As shown in FIGS. 1 and 4, the dehumidifying air conditioner has a first air passage 7 and a second air passage 8 that are parallel to each other. A heater 9 is provided in the first air passage 7.

また回転式ダンパー2は図1に示すように、仕切り板4が第1通路7及び第2空気通路8と平行になる状態と、図4に示すように仕切り板4が第1空気通路7及び第2空気通路8と直角になる状態との2つのモードを有する。前者つまり図1の状態は全熱交換モード又は加湿モード、後者つまり図4の状態は除湿モードとなる。   Further, as shown in FIG. 1, the rotary damper 2 has a state in which the partition plate 4 is in parallel with the first passage 7 and the second air passage 8, and as shown in FIG. There are two modes: a state perpendicular to the second air passage 8. The former, that is, the state of FIG. 1 is the total heat exchange mode or the humidifying mode, and the latter, that is, the state of FIG. 4 is the dehumidifying mode.

そして図3に示すようにタイマー10にリレー11、回転速度制御回路12、回転方向制御回路13が接続され、タイマー10にはヒータ9が、回転速度制御回路12にはロータ駆動用ギヤドモータ3が、回転方向制御回路13にはダンパー回転用ギヤドモータ6が接続されている。   As shown in FIG. 3, a relay 11, a rotational speed control circuit 12, and a rotational direction control circuit 13 are connected to the timer 10, the heater 9 is connected to the timer 10, and the rotor-driven geared motor 3 is connected to the rotational speed control circuit 12. A damper rotation geared motor 6 is connected to the rotation direction control circuit 13.

このため、タイマー10によって決定される所定時間毎にリレー11が開閉し、ヒータ9への通電が所定時間毎にオン・オフする。また同様にタイマー10によって回転速度制御回路12がロータ駆動用ギヤドモータ3の速度を所定時間毎に切替え、回転方向制御回路13がダンパー回転用ギヤドモータ6を回転させて回転式ダンパー2の方向を切替える。   For this reason, the relay 11 opens and closes every predetermined time determined by the timer 10, and energization to the heater 9 is turned on and off every predetermined time. Similarly, the rotation speed control circuit 12 switches the speed of the rotor driving geared motor 3 every predetermined time by the timer 10, and the rotation direction control circuit 13 rotates the damper rotating geared motor 6 to switch the direction of the rotary damper 2.

まず図1の全熱交換モードについて説明を行う。このモードではヒータ9へ通電はされず、このモード単独動作ではタイマー10も動作しない。回転式ダンパー2は図1に示すように仕切り板4が第1空気通路7及び第2空気通路8と平行になる。また湿気交換ロータ1は高速回転状態である。   First, the total heat exchange mode of FIG. 1 will be described. In this mode, the heater 9 is not energized, and the timer 10 does not operate in this mode alone operation. In the rotary damper 2, the partition plate 4 is parallel to the first air passage 7 and the second air passage 8 as shown in FIG. 1. The moisture exchange rotor 1 is in a high-speed rotation state.

夏季の場合、外気OAは湿気交換ロータ1によって乾燥低温空気となり、室内へ製品空気SAとなって供給され、室内からの還気RAは湿気交換ロータ1によって多湿高温空気となって排気EAとして大気へ放出される。   In the summer season, the outside air OA becomes dry low-temperature air by the moisture exchange rotor 1 and is supplied into the room as product air SA, and the return air RA from the room becomes humid high-temperature air by the humidity exchange rotor 1 and serves as the exhaust EA. Is released.

冬季の場合は反対に外気OAは湿気交換ロータ1によって多湿高温空気となり室内へ製品空気SAとなって供給され、室内からの還気RAは湿気交換ロータ1によって乾燥低温空気となって排気EAとして大気へ放出される。   In the winter, on the other hand, the outside air OA is humidified and hot air by the moisture exchange rotor 1 and supplied as product air SA into the room, and the return air RA from the room is dried by the moisture exchange rotor 1 as dry low temperature air as exhaust EA. Released into the atmosphere.

ここで湿気交換ロータ1を低速回転させ、かつヒータ9に通電を行うと加湿モードとなる。つまり外気OAはヒータ9によって加熱され、湿気交換ロータ1に吸着された湿気を脱着し、高温多湿空気となって室内へ製品空気SAとなって供給される。室内からの還気RAは湿気交換ロータ1を通過する際に湿気を湿気交換ロータ1へ与え、乾燥空気となって排気EAとして大気へ放出される。   Here, when the moisture exchange rotor 1 is rotated at a low speed and the heater 9 is energized, the humidification mode is set. That is, the outside air OA is heated by the heater 9, desorbs the moisture adsorbed by the moisture exchange rotor 1, becomes hot and humid air, and is supplied into the room as product air SA. When the return air RA from the room passes through the moisture exchange rotor 1, it gives moisture to the moisture exchange rotor 1, becomes dry air, and is discharged to the atmosphere as exhaust EA.

次に図4の循環除湿モードについて説明する。このモードは梅雨時などの特に多湿な状態で用いるのに適する。ダンパー回転用ギヤドモータ6によって回転式ダンパー2を図4の状態すなわち図1の状態から90度回転させた状態にする。この状態でヒータ9に通電する。   Next, the circulation dehumidification mode of FIG. 4 will be described. This mode is suitable for use in particularly humid conditions such as during the rainy season. The rotary damper 2 is rotated 90 degrees from the state shown in FIG. 4, that is, the state shown in FIG. 1, by the geared motor 6 for rotating the damper. In this state, the heater 9 is energized.

すると外気OAが加熱され、湿気交換ロータ1に吸着された湿気を脱着して、高温多湿空気を排気EAとして大気放出する。一方、室内からの還気RAは湿気交換ロータ1を通過する際に湿気が吸着されて乾燥空気となり、室内へ製品空気SAとなって供給される。   Then, the outside air OA is heated, the moisture adsorbed by the moisture exchange rotor 1 is desorbed, and the hot and humid air is discharged into the atmosphere as exhaust EA. On the other hand, when the return air RA from the room passes through the moisture exchange rotor 1, the moisture is adsorbed to become dry air, and is supplied to the room as product air SA.

夏季に外気の湿度が極めて高い場合には、全熱交換モードでは十分に湿気の室内への侵入を防止することができず、冷房装置の潜熱負荷が大きくなる場合には、全熱交換モードと循環除湿モードを交互に動作させる。つまり図3に示すタイマー10を動作させて、タイマー10で設定した時間で全熱交換モードと循環除湿モードを交互に動作させると換気と除湿とを適度に行うことができる。   If the humidity of the outside air is extremely high in the summer, the total heat exchange mode cannot sufficiently prevent moisture from entering the room, and if the latent heat load of the cooling device increases, the total heat exchange mode The circulation dehumidification mode is operated alternately. That is, when the timer 10 shown in FIG. 3 is operated and the total heat exchange mode and the circulation dehumidifying mode are alternately operated for the time set by the timer 10, ventilation and dehumidification can be performed appropriately.

上記の実施例1ではヒータ9として電気ヒータを用いる例を示したが、エネルギー消費を減らすためにヒータ9として温水ヒータを用い、この温水ヒータに発電機や燃料電池から発生する温水が循環され、ここを通過する空気を加熱するようにした空調装置が望まれる。   In the first embodiment, an example is shown in which an electric heater is used as the heater 9, but a hot water heater is used as the heater 9 in order to reduce energy consumption, and hot water generated from a generator or a fuel cell is circulated through the hot water heater. An air conditioner that heats the air passing there is desired.

図5〜図7は以上の観点より発明されたもので本発明の実施例2を示す。ここで上記実施例1と同じ構成部材については同一の番号を付与し、重複した説明は省略する。14は温水コイルであり、発電機や燃料電池から出た温水がこの温水コイル14に供給される。15は切替弁であり、外気OAが温水コイル14を通って湿気交換ロータ1へ供給されるようにするか、外気OAが直接湿気交換ロータ1へ供給されるようにするか切替えるものである。   5 to 7 are invented from the above viewpoint and show Embodiment 2 of the present invention. Here, the same constituent members as those in the first embodiment are given the same numbers, and redundant description is omitted. Reference numeral 14 denotes a hot water coil, and hot water from a generator or a fuel cell is supplied to the hot water coil 14. Reference numeral 15 denotes a switching valve that switches whether the outside air OA is supplied to the moisture exchange rotor 1 through the hot water coil 14 or whether the outside air OA is directly supplied to the moisture exchange rotor 1.

温水コイル14は一般に電気ヒータと比較して熱容量が大きいため、この実施例2のものは、温水コイル14を第1通路7外に設置している。図5は全熱交換モードを示し、このモードでは切替弁15の状態は、外気OAが直接湿気交換ロータ1へ供給されるようになっている。この状態は上記実施例1の図1の状態と実質的に同一であるため、重複した説明は省略する。   Since the hot water coil 14 generally has a larger heat capacity than an electric heater, in the second embodiment, the hot water coil 14 is installed outside the first passage 7. FIG. 5 shows a total heat exchange mode. In this mode, the state of the switching valve 15 is such that the outside air OA is directly supplied to the moisture exchange rotor 1. Since this state is substantially the same as the state of FIG. 1 of the first embodiment, a duplicate description is omitted.

図6は冬季の加湿モードを示す。このモードでは切替弁15の状態は、外気OAが温水コイル14を通って湿気交換ロータ1へ供給されるようになっている。このモードでは上記実施例1と同様湿気交換ロータ1を低速回転させる。   FIG. 6 shows a humidification mode in winter. In this mode, the state of the switching valve 15 is such that the outside air OA is supplied to the moisture exchange rotor 1 through the hot water coil 14. In this mode, the moisture exchange rotor 1 is rotated at a low speed as in the first embodiment.

つまり外気OAは温水コイル14によって加熱され、湿気交換ロータ1に吸着された湿気を脱着し、高温多湿空気となって室内へ製品空気SAとなって供給される。室内からの還気RAは湿気交換ロータ1を通過する際に湿気を湿気交換ロータ1へ与え、乾燥空気となって排気EAとして大気へ放出される。   That is, the outside air OA is heated by the hot water coil 14, desorbs the moisture adsorbed by the moisture exchange rotor 1, and becomes hot and humid air, which is supplied into the room as product air SA. When the return air RA from the room passes through the moisture exchange rotor 1, it gives moisture to the moisture exchange rotor 1, becomes dry air, and is discharged to the atmosphere as exhaust EA.

図7は循環除湿モードを示す。このモードの時も上記実施例1と同様湿気交換ロータ1を低速回転させる。またダンパー回転用ギヤドモータ6によって回転式ダンパー2を図7の状態すなわち図5の状態から90度回転させた状態にする。   FIG. 7 shows the circulation dehumidification mode. Also in this mode, the moisture exchange rotor 1 is rotated at a low speed as in the first embodiment. Further, the rotary damper 2 is turned 90 degrees from the state shown in FIG. 7, that is, the state shown in FIG. 5, by the geared motor 6 for rotating the damper.

すると外気OAが温水コイル14によって加熱され、湿気交換ロータ1に吸着された湿気を脱着して、高温多湿空気を排気EAとして大気放出する。一方、室内からの還気RAは湿気交換ロータ1を通過する際に湿気が吸着されて乾燥空気となり、室内へ製品空気SAとなって供給される。   Then, the outside air OA is heated by the hot water coil 14, the moisture adsorbed by the moisture exchange rotor 1 is desorbed, and the hot and humid air is discharged into the atmosphere as exhaust EA. On the other hand, when the return air RA from the room passes through the moisture exchange rotor 1, the moisture is adsorbed to become dry air, and is supplied to the room as product air SA.

夏季に外気の湿度が極めて高い場合には、全熱交換モードでは十分に湿気の室内への侵入を防止することができず、冷房装置の潜熱負荷が大きくなる場合には、全熱交換モードと循環除湿モードを交互に動作させる。つまり図3に示すタイマー10を動作させて、タイマー10で設定した時間で全熱交換モードと循環除湿モードを交互に動作させると換気と除湿とを適度に行うことができる。   If the humidity of the outside air is extremely high in the summer, the total heat exchange mode cannot sufficiently prevent moisture from entering the room, and if the latent heat load of the cooling device increases, the total heat exchange mode The circulation dehumidification mode is operated alternately. That is, when the timer 10 shown in FIG. 3 is operated and the total heat exchange mode and the circulation dehumidifying mode are alternately operated for the time set by the timer 10, ventilation and dehumidification can be performed appropriately.

次に図8〜図10に示される実施例3について説明をする。ここでも上記実施例1及び実施例2と同じ構成部材については同一の番号を付与し、重複した説明は省略する。   Next, Embodiment 3 shown in FIGS. 8 to 10 will be described. Here again, the same components as those in the first embodiment and the second embodiment are given the same reference numerals, and duplicate descriptions are omitted.

16は第1切替弁、17は第2切替弁である。第1切替弁16は外気OAが第1温水コイル18を通って湿気交換ロータ1へ供給されるようにするか、室内からの還気RAが直接湿気交換ロータ1へ供給されるようにするか切替えるものである。第2切替弁17は室内からの還気RAが第2温水コイル19を通って湿気交換ロータ1へ供給されるようにするか、外気OAが直接湿気交換ロータ1へ供給されるようにするか切替えるものである。   16 is a first switching valve, and 17 is a second switching valve. Whether the first switching valve 16 allows the outside air OA to be supplied to the moisture exchange rotor 1 through the first hot water coil 18 or whether the return air RA from the room is directly supplied to the moisture exchange rotor 1. It is to switch. Whether the second switching valve 17 allows the return air RA from the room to be supplied to the moisture exchange rotor 1 through the second hot water coil 19 or whether the outside air OA is directly supplied to the moisture exchange rotor 1. It is to switch.

ここで第1温水コイル18も第2温水コイル19も発電機や燃料電池からの排熱温水が供給されるものである。第1温水コイル18も第2温水コイル19も一般に電気ヒータと比較して熱容量が大きいため、この実施例3のものも、第1温水コイル18を第1通路7外に、第2温水コイル19を第2通路8外に設置している   Here, both the first hot water coil 18 and the second hot water coil 19 are supplied with hot exhaust water from the generator and the fuel cell. Since both the first hot water coil 18 and the second hot water coil 19 generally have a larger heat capacity than an electric heater, the third hot water coil 18 is also disposed outside the first passage 7 in the third embodiment. Is installed outside the second passage 8

図8全熱交換モードを示し、このモードでは第1切替弁16の状態は、還気RAが直接湿気交換ロータ1へ供給されるようになり、第2切替弁17の状態は外気OAが直接湿気交換ロータ1へ供給されるようになっている。この状態は上記実施例1の図1の状態と実質的に同一であるため、重複した説明は省略する。   FIG. 8 shows the total heat exchange mode. In this mode, the state of the first switching valve 16 is such that the return air RA is directly supplied to the moisture exchange rotor 1, and the state of the second switching valve 17 is that the outside air OA is directly It is supplied to the moisture exchange rotor 1. Since this state is substantially the same as the state of FIG. 1 of the first embodiment, a duplicate description is omitted.

図9は冬季の加湿モードを示す。このモードでは第1切替弁16の状態は、外気OAが第1温水コイル18を通って湿気交換ロータ1へ供給されるようになっているが、第1温水コイル18には温水供給を停止する。   FIG. 9 shows the humidification mode in winter. In this mode, the state of the first switching valve 16 is such that the outside air OA is supplied to the moisture exchange rotor 1 through the first hot water coil 18, but the hot water supply to the first hot water coil 18 is stopped. .

また第2切替弁17の状態は、室内還気RAが第2温水コイル19を通って湿気交換ロータ1に供給されるようになり、この時に第2温水コイル19には温水が供給されている。   The state of the second switching valve 17 is such that the indoor return air RA is supplied to the moisture exchange rotor 1 through the second hot water coil 19, and hot water is supplied to the second hot water coil 19 at this time. .

この加湿モードでは上記実施例1と同様湿気交換ロータ1を低速回転させる。 つまり室内還気RAは第2温水コイル19によって加熱され、湿気交換ロータ1に吸着された湿気を脱着し、高温多湿空気となって室内へ製品空気SAとなって供給される。   In this humidification mode, the moisture exchange rotor 1 is rotated at a low speed as in the first embodiment. That is, the indoor return air RA is heated by the second hot water coil 19, desorbs the moisture adsorbed by the moisture exchange rotor 1, becomes hot and humid air, and is supplied into the room as product air SA.

外気OAは第1温水コイル18を通過するが、ここには温水が供給されていないため温度が上昇せず湿気交換ロータ1を通過する。この際に外気OAは湿湿気を湿気交換ロータ1へ与え、乾燥空気となって排気EAとして大気へ放出される。   The outside air OA passes through the first hot water coil 18, but since the hot water is not supplied here, the temperature does not rise and passes through the moisture exchange rotor 1. At this time, the outside air OA gives moisture to the moisture exchange rotor 1, becomes dry air, and is discharged to the atmosphere as exhaust EA.

次に図10は夏季の循環除湿モードを示す。このモードでは第1切替弁16の状態は、外気OAが第1温水コイル18を通って湿気交換ロータ1へ供給されるようになっているが、第1温水コイル18には温水供給を行う。   Next, FIG. 10 shows a circulation dehumidification mode in summer. In this mode, the state of the first switching valve 16 is such that outside air OA is supplied to the moisture exchange rotor 1 through the first hot water coil 18, but hot water is supplied to the first hot water coil 18.

また第2切替弁17の状態は、室内還気RAが第2温水コイル19を通って湿気交換ロータ1に供給されるようになり、この時に第2温水コイル19への温水供給は停止されている。この循環除湿モードでは上記実施例1と同様湿気交換ロータ1を低速回転させる。   The state of the second switching valve 17 is such that the indoor return air RA is supplied to the moisture exchange rotor 1 through the second hot water coil 19, and at this time, the supply of hot water to the second hot water coil 19 is stopped. Yes. In this circulation dehumidification mode, the moisture exchange rotor 1 is rotated at a low speed as in the first embodiment.

すると還気RAは第2温水コイル19を通る時に温度が変化せず、湿気交換ロータ1を通過することによって湿気を奪われ、乾燥空気となって再び室内へ戻される。また外気OAは第2温水コイル19を通って温度が上昇し、湿気交換ロータ1に吸着された湿気を脱着する。   Then, the temperature of the return air RA does not change when passing through the second hot water coil 19, and the moisture is deprived by passing through the moisture exchange rotor 1, returning to the room again as dry air. Further, the outside air OA rises in temperature through the second hot water coil 19 and desorbs the moisture adsorbed on the moisture exchange rotor 1.

梅雨時など外気の湿度が極めて高い場合には、この循環除湿モードと上記の全熱交換モードとを交互に動作させることによって室内空気を除湿し、冷凍機を有する空調機を使用していた場合には、その潜熱負荷を軽減することができる。   When the humidity of the outside air is extremely high, such as during the rainy season, the room air is dehumidified by alternately operating this circulation dehumidification mode and the above total heat exchange mode, and an air conditioner with a refrigerator is used. The latent heat load can be reduced.

本発明は、全熱交換モードと循環除湿モードとを切替可能にすることによって外気の湿度が極端に高い場合であっても換気しながら除湿可能な空調装置を提供する。   The present invention provides an air conditioner capable of dehumidification while ventilating even when the humidity of the outside air is extremely high by enabling switching between the total heat exchange mode and the circulation dehumidification mode.

本発明の空調装置の実施例1を示す断面図である。It is sectional drawing which shows Example 1 of the air conditioner of this invention. 本発明の空調装置の実施例を示す部分斜視図である。It is a fragmentary perspective view which shows the Example of the air conditioner of this invention. 本発明の空調装置の実施例1を示すブロック回路図である。It is a block circuit diagram which shows Example 1 of the air conditioner of this invention. 本発明の空調装置の実施例1を示す断面図である。It is sectional drawing which shows Example 1 of the air conditioner of this invention. 本発明の空調装置の実施例2を示す断面図である。It is sectional drawing which shows Example 2 of the air conditioner of this invention. 本発明の空調装置の実施例2を示す断面図である。It is sectional drawing which shows Example 2 of the air conditioner of this invention. 本発明の空調装置の実施例2を示す断面図である。It is sectional drawing which shows Example 2 of the air conditioner of this invention. 本発明の空調装置の実施例3を示す断面図である。It is sectional drawing which shows Example 3 of the air conditioner of this invention. 本発明の空調装置の実施例3を示す断面図である。It is sectional drawing which shows Example 3 of the air conditioner of this invention. 本発明の空調装置の実施例3を示す断面図である。It is sectional drawing which shows Example 3 of the air conditioner of this invention.

符号の説明Explanation of symbols

1 湿気交換ロータ
2 回転式ダンパー
3 ロータ駆動用ギヤドモータ
4,5 板
6 ダンパー回転用ギヤドモータ
7 空気通路
8 空気通路
9 ヒータ
10 タイマー
11 リレー
12 回転速度制御回路
13 回転方向制御回路
14 温水コイル
15 切替弁
16 第1切替弁
17 第2切替弁
18 第1温水コイル
19 第2温水コイル
EA 排気
OA 外気
RA 還気
SA 製品空気
DESCRIPTION OF SYMBOLS 1 Humidity exchange rotor 2 Rotary damper 3 Geared motor 4 for rotor driving 4, 5 Plate 6 Geared motor 7 for damper rotation 7 Air passage 8 Air passage 9 Heater 10 Timer 11 Relay 12 Rotational speed control circuit 13 Rotation direction control circuit 14 Hot water coil 15 Switching valve 16 1st switching valve 17 2nd switching valve 18 1st warm water coil 19 2nd warm water coil EA Exhaust
OA Outside air RA Return air SA Product air

Claims (2)

2つの空気通路間で湿気と熱の交換を行う湿気交換ロータと回転式ダンパーを有し、回転式ダンパーは互いに直交する仕切り板を有し、その仕切り板の一方には前記湿気交換ロータより僅かに大きな丸穴が形成され、前記湿気交換ロータは回転式ダンパーに形成された丸穴に回転可能な状態に挿入され、前記回転式ダンパーは前記湿気交換ロータを搭載した状態で正逆方向に90度回転可能であり、前記2つの空気通路の一方は外気を室内へ取り入れる通路でこの空気通路に通す外気を加熱するヒータを有し、他方は室内空気を大気放出する通路となるもので、前記ヒータを動作させない状態で外気を前記湿気交換ロータを通過させて室内に供給する全熱交換換気モードと、前記ヒータを動作させて外気を加熱して前記湿気交換ロータに通過させる加湿モードと、前記全熱交換換気モードに対して前記回転ダンパーを90度回転させ、前記2つの空気通路の一方は外気を加熱して前記湿気交換ロータに通過させて大気放出する通路で他方は室内空気を前記湿気交換ロータに通過させて再び室内へ戻す除湿モードとを有する空調装置。 It has a moisture exchange rotor and a rotary damper for exchanging moisture and heat between two air passages . The rotary damper has a partition plate orthogonal to each other, and one of the partition plates is slightly more than the moisture exchange rotor. A large round hole is formed in the rotary damper, and the moisture exchange rotor is inserted into a round hole formed in the rotary damper in a rotatable state. The rotary damper is mounted in the forward and reverse directions with the moisture exchange rotor mounted thereon. a degree rotatable, has a heater for heating the outside air passed through the air passage in passage drawing outside air into the room is one of the two air passages and the other made of the indoor air and the passage for air emissions, the a total heat exchange ventilation mode supplies the chamber outside air in a state which does not operate the heater is passed through the moisture exchanger rotor heats the outside air by operating the heater passage to the moisture exchanger rotor A humidifying mode where the said rotary damper with respect to the total heat exchange ventilation mode is rotated 90 degrees, the two other one of the air passages is heated outside air is passed through the moisture exchanger rotor passage to atmospheric discharge Is an air conditioner having a dehumidification mode in which room air is passed through the moisture exchange rotor and returned to the room again. 外気を加熱する場合には加熱しない場合より湿気交換ロータの回転数を少なくした請求項2記載の空調装置。 The air conditioner according to claim 2, wherein when the outside air is heated, the number of rotations of the moisture exchange rotor is less than when the outside air is not heated.
JP2004136582A 2004-04-30 2004-04-30 Air conditioner Expired - Fee Related JP4467357B2 (en)

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JP5497492B2 (en) * 2010-03-11 2014-05-21 ヤンマー株式会社 Desiccant air conditioner
KR101358239B1 (en) * 2012-12-21 2014-02-06 주식회사 삼화에이스 Dehumidifying air conditioner using a waste heat source
KR101782838B1 (en) * 2016-02-12 2017-10-23 주식회사 경동나비엔 Air conditioner and the method thereof
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