JP2006170520A - Air conditioning hot water supply system - Google Patents

Air conditioning hot water supply system Download PDF

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JP2006170520A
JP2006170520A JP2004363262A JP2004363262A JP2006170520A JP 2006170520 A JP2006170520 A JP 2006170520A JP 2004363262 A JP2004363262 A JP 2004363262A JP 2004363262 A JP2004363262 A JP 2004363262A JP 2006170520 A JP2006170520 A JP 2006170520A
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hot water
heat exchanger
floor
cold
circuit
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Koichi Yamaguchi
山口　　広一
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Toshiba Carrier Corp
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Toshiba Carrier Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioning hot water supply system capable of improving comfortableness by providing changing between hot water supply, floor heating, and floor cooling, and preventing dew formation in a room and accumulation of cold air in a room lower part during floor cooling. <P>SOLUTION: In a first circulation circuit 7, a hot water storage tank 1, a first circulating pump 8, a heat absorbing side heat exchanger 9, and a utilization side heat exchanger 10 are communicated with each other. A refrigerating cycle device 12 is provided with a main heat exchange part 13 carrying out heat exchange with the heat absorbing side heat exchanger, and heat pump system refrigerating cycle components are communicated with each other. In a floor cooling and heating device 18, a cold-hot water heat exchange part 19 carrying out heat exchange with the utilization side heat exchanger, a second circulating pump 20, and a cold-hot water circuit 21 embedded in a floor Y of the room R are communicated with each other. A desiccant unit 23 is provided with an adsorption rotor 26, and it supplies outside air after removing moisture contained in the outside air. A second circulation circuit 35 is comprised by communicating the hot water storage tank, a third circulating pump 36, a heating part 37 in the desiccant unit, and a hot water circuit 38 embedded in the floor of the room with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、給湯および床暖房とともに、床冷房を可能とした空調給湯システムに関する。   The present invention relates to an air conditioning and hot water supply system that enables floor cooling as well as hot water supply and floor heating.

近年、深夜電力を利用して、ＣＯ２冷媒の超臨界状態の特性を利用した給湯ヒートポンプシステムが開発されている。この種のシステムによれば、ＣＯＰ（成績係数）が３以上あり、都市ガスを用いた、いわゆる瞬間給湯システムより高効率であるので、高い注目度を浴びている。
そして、特に、マンションと呼ばれる大規模集合住宅を中心して普及し、かつ一般的な個人住宅においても多用される傾向にあるガスによる床暖房に対抗して、貯湯槽をより大型化し、貯湯槽内の湯を利用した給湯床暖房システムが提供されるようになった。 In recent years, a hot water supply heat pump system using the supercritical state characteristics of a CO 2 refrigerant has been developed using midnight power. According to this type of system, the COP (coefficient of performance) is 3 or more, and it is more efficient than a so-called instantaneous hot water supply system using city gas.
In particular, the hot water tanks are made larger and the hot water tanks are made larger to counteract floor heating by gas, which is popular in large-scale apartment houses called condominiums and tends to be frequently used in general private houses. Hot water floor heating system using hot water has been provided.

たとえば、［特許文献１］には、出湯と床暖房とを同時に行う場合に、出湯によって貯湯槽の上層部の高温の湯が使用されてしまい、床暖房のために利用できなくなる不具合を除去し、貯湯タンク内のほぼ全量の湯を床暖房または給湯に有効に使い切ることができるとともに、ヒートポンプによる効率の良い加熱方式を実現できる貯湯式給湯床暖房システムが開示されている。
特開２００３−２９４２５１号公報 For example, in [Patent Document 1], when hot water and floor heating are performed at the same time, hot water in the upper layer of the hot water storage tank is used by the hot water, which eliminates the problem of being unavailable for floor heating. In addition, a hot water storage hot water floor heating system that can effectively use almost the entire amount of hot water in the hot water storage tank for floor heating or hot water supply and can realize an efficient heating method using a heat pump is disclosed.
JP 2003-294251 A

このように、いずれの給湯床暖房システム技術においても、給湯と暖房（床暖房）は可能であるが、冷房運転への切換えは全く不可能となっている。そのために、別途、空気調和機（ヒートポンプ式エアコン）を設置して冷房運転を行っていて、暖房運転に対しては二重投資と同様となり、経済性の点から必ずしも有利であるとは言えない。
たとえば、居室の床に、床暖房のための温水循環回路を設けるとともに、冷水を導いて床冷房を行うための冷水循環回路を設けて、これら回路相互を切換え操作することにより、床面を加熱しもしくは冷却することは可能である。
しかしながら、単に床面を冷却するだけであると、当然ながら冷気が居室の下部に滞留して、居住人の足腰を集中的に冷やし不快感をともなってしまう。そして、冷却にともなう除湿作用によって床面に結露が生じ、床面が濡れて滑り易くなるなどの不具合が考えられる。 Thus, in any hot water supply floor heating system technology, hot water supply and heating (floor heating) are possible, but switching to cooling operation is completely impossible. For this reason, an air conditioner (heat pump air conditioner) is separately installed for cooling operation, and it is the same as double investment for heating operation, which is not necessarily advantageous from the economical point of view. .
For example, a hot water circulation circuit for floor heating is provided on the floor of a living room, and a cold water circulation circuit for conducting cold cooling by guiding cold water is provided, and the floor surface is heated by switching between these circuits. Or it can be cooled.
However, if the floor surface is simply cooled, naturally, the cold air stays in the lower part of the room, and the occupant's legs and legs are intensively cooled, causing discomfort. In addition, the dehumidifying action accompanying cooling causes condensation on the floor surface, which may cause problems such as the floor surface becoming wet and slippery.

本発明は上記事情に着目してなされたものであり、その目的とするところは、給湯と床暖房および床冷房の切換えを可能とし、かつ床冷房時は、居室内の結露を防止するとともに、居室下部に冷気が滞留するのを防止し、快適性の向上化を得る空調給湯システムを提供しようとするものである。   The present invention has been made paying attention to the above circumstances, and its purpose is to enable switching between hot water supply and floor heating and floor cooling, and during floor cooling, while preventing condensation in the room, An object of the present invention is to provide an air-conditioning hot-water supply system that prevents cold air from staying in the lower part of the living room and improves comfort.

上記目的を達成するため本発明の空調給湯システムは、第１の循環回路と、冷凍サイクル装置と、床冷暖房手段と、デシカントユニットおよび第２の循環回路とから構成されていて、
上記第１の循環回路は、温水を貯溜する貯湯槽、第１の循環ポンプ、吸熱側熱交換器、利用側熱交換器をループ状の配管を介して連通してなり、上記冷凍サイクル装置は、吸熱側熱交換器と熱交換する主熱交換器部を備え冷媒管を介してヒートポンプ式の冷凍サイクル構成部品を連通してなり、上記床冷暖房手段は、利用側熱交換器と熱交換する冷温水熱交換器部、第２の循環ポンプ、居室の床に埋設される冷温水回路をループ状の配管を介して連通してなり、上記デシカントユニットは、水分吸着手段を備えて外気に含まれる水分を除去したうえで居室内に供給し、上記第２の循環回路は、貯湯槽、第３の循環ポンプ、水分吸着手段加熱用の加熱部、居室の床に埋設される温水回路をループ状の配管を介して連通してなる。 In order to achieve the above object, the air conditioning and hot water supply system of the present invention is composed of a first circulation circuit, a refrigeration cycle apparatus, floor cooling and heating means, a desiccant unit, and a second circulation circuit.
The first circulation circuit comprises a hot water tank for storing hot water, a first circulation pump, a heat absorption side heat exchanger, and a use side heat exchanger connected via a loop-shaped pipe. A heat pump type refrigeration cycle component is connected through a refrigerant pipe with a main heat exchanger section that exchanges heat with the heat absorption side heat exchanger, and the floor cooling / heating means exchanges heat with the use side heat exchanger A chilled / hot water heat exchanger, a second circulation pump, and a chilled / hot water circuit embedded in the floor of the living room are connected via a loop-shaped pipe, and the desiccant unit includes moisture adsorbing means and is contained in the outside air. The second circulation circuit loops a hot water tank, a third circulation pump, a heating unit for heating moisture adsorption means, and a hot water circuit embedded in the floor of the living room. It communicates via a pipe.

本発明によれば、給湯と床暖房および床冷房の切換えを可能として使用範囲の拡大化を図るとともに、床冷房時における快適性の向上化を得るという効果を奏する。   Advantageous Effects of Invention According to the present invention, it is possible to switch between hot water supply, floor heating, and floor cooling, thereby expanding the range of use and obtaining the effect of improving comfort during floor cooling.

以下、図面を参照しながら、本発明の実施の形態について詳細に説明する。
図１は空調給湯システムの構成図である。
図中１は、貯湯槽である。この貯湯槽の底部には、図示しない給水源に連通され、中途部に開閉弁２を備えた給水管３が接続される。上記貯湯槽１の上端面には、たとえば厨房設備や洗面所あるいは風呂場などに延出され、先端に給湯水栓４が設けられる給湯管５が接続される。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a configuration diagram of an air conditioning and hot water supply system.
In the figure, 1 is a hot water tank. A water supply pipe 3 provided with an on-off valve 2 is connected to a water supply source (not shown) at the bottom of the hot water tank. Connected to the upper end surface of the hot water tank 1 is, for example, a hot water supply pipe 5 that extends to a kitchen facility, a washroom, a bathroom, or the like and is provided with a hot water faucet 4 at the tip.

上記貯湯槽１の底部と上端面にループ状に延出される配管６が接続され、このループ状配管６によって第１の循環回路７が構成される。第１の循環回路７には、貯湯槽１の近傍部位に配置される第１の循環ポンプ８と、後述する吸熱側熱交換器９と、利用側熱交換器１０および開閉弁Ａが順に設けられる。
上記貯湯槽１の下部側面にバイパス管１１の一端部が接続されていて、バイパス管１１の他端部は上記利用側熱交換器１０と開閉弁Ａとの間の配管６に分岐接続される。そして、バイパス管１１には開閉弁Ｂが設けられている。 A pipe 6 extending in a loop shape is connected to the bottom and the upper end surface of the hot water tank 1, and a first circulation circuit 7 is constituted by the loop pipe 6. The first circulation circuit 7 is provided with a first circulation pump 8 disposed in the vicinity of the hot water tank 1, a heat absorption side heat exchanger 9, a use side heat exchanger 10, and an on-off valve A in order. It is done.
One end of a bypass pipe 11 is connected to the lower side surface of the hot water tank 1, and the other end of the bypass pipe 11 is branched and connected to a pipe 6 between the use side heat exchanger 10 and the on-off valve A. . The bypass pipe 11 is provided with an on-off valve B.

上記吸熱側熱交換器９には、ヒートポンプ式の冷凍サイクル装置１２を構成する主熱交換器部１３が収容される。上記冷凍サイクル装置１２は、圧縮機１４と、四方切換え弁１５と、上記主熱交換器部１３と、減圧装置である電子膨張弁１６および補助熱交換器部１７が冷媒管１８を介して連通されてなる。
すなわち、上記主熱交換器部１３は、一般的なヒートポンプ式冷凍サイクルを構成する空気調和機において室外熱交換器に相当し、上記補助熱交換器部１７は同空気調和機において室内熱交換器に相当する。そして、主熱交換器部１３に導かれる冷媒と、上記貯湯槽１から第１の循環ポンプ８を介して吸熱側熱交換器９に導かれる温水とが熱交換されるようになっている。 The heat absorption side heat exchanger 9 accommodates a main heat exchanger section 13 constituting a heat pump refrigeration cycle apparatus 12. In the refrigeration cycle apparatus 12, a compressor 14, a four-way switching valve 15, the main heat exchanger section 13, an electronic expansion valve 16 that is a decompression apparatus, and an auxiliary heat exchanger section 17 communicate with each other via a refrigerant pipe 18. Being done.
That is, the main heat exchanger section 13 corresponds to an outdoor heat exchanger in an air conditioner constituting a general heat pump refrigeration cycle, and the auxiliary heat exchanger section 17 is an indoor heat exchanger in the air conditioner. It corresponds to. The refrigerant guided to the main heat exchanger section 13 and the hot water guided from the hot water storage tank 1 to the heat absorption side heat exchanger 9 via the first circulation pump 8 are heat-exchanged.

上記利用側熱交換器１０には、床冷暖房装置（床冷暖房手段）１８を構成する冷温水熱交換器部１９が収容される。上記床冷暖房装置１８は、上記冷温水熱交換器部１９と、第２の循環ポンプ２０と、居室Ｒの床Ｙに後述するようにして埋設される熱交換パイプからなる冷温水回路２１とを、ループ状の配管２２を介して連通してなる。したがって、上記冷温水熱交換器部１９に導かれる冷温水と、上記第１の循環回路７の利用側熱交換器１０に導かれる冷温水とが熱交換されるようになっている。   The use side heat exchanger 10 accommodates a cold / hot water heat exchanger section 19 constituting a floor cooling / heating device (floor cooling / heating means) 18. The floor air conditioner 18 includes the cold / hot water heat exchanger section 19, a second circulation pump 20, and a cold / hot water circuit 21 including a heat exchange pipe embedded in the floor Y of the living room R as described later. The communication is made through a loop-shaped pipe 22. Therefore, the cold / hot water led to the cold / hot water heat exchanger section 19 and the cold / hot water led to the use-side heat exchanger 10 of the first circulation circuit 7 are heat-exchanged.

上記居室Ｒの近傍部位に、デシカントユニット２３が配置される。デシカントユニット２３は、両側端面が閉塞された円筒体からなる筐体２４を備え、この筐体２４内は仕切り板２５によって軸方向に沿い上下部に仕切られている。筐体２４内には吸着ロータ（水分吸着手段）２６と熱交換器部２７が所定の間隔を存して、かつ仕切り板２５を分断する状態で、筐体２４断面を閉塞するよう設けられる。   A desiccant unit 23 is disposed in the vicinity of the living room R. The desiccant unit 23 includes a casing 24 made of a cylindrical body whose both end faces are closed. The casing 24 is partitioned into upper and lower portions along the axial direction by a partition plate 25. An adsorption rotor (moisture adsorbing means) 26 and a heat exchanger unit 27 are provided in the case 24 so as to close the cross section of the case 24 with a predetermined interval and the partition plate 25 being divided.

上記吸着ロータ２６は、筐体２４の軸方向長さに沿い所定の厚さ寸法で、かつ筐体２４断面に合致する円盤状をなし、内部空間にはシリカゲル、ゼオライト、アルミナなどの吸着剤が、たとえばハニカム状に成形した状態で充填される。したがって、吸着ロータ２６の軸方向に沿う左右両側部に対して通気性が保持される。   The adsorption rotor 26 has a disk shape that has a predetermined thickness dimension along the axial length of the casing 24 and that matches the cross section of the casing 24, and adsorbents such as silica gel, zeolite, and alumina are present in the internal space. For example, it is filled in a state of being formed into a honeycomb shape. Therefore, air permeability is maintained with respect to the left and right side portions along the axial direction of the suction rotor 26.

上記吸着ロータ２６は、中心軸を回転軸として軸受け部に支持され、上記回転軸には駆動源を備えた駆動機構（いずれも図示しない）が連結されていて、たとえば所定時間毎に１８０°回転駆動されるようになっている。また、吸着ロータ２６は連続的に、低速度で回転駆動するようにしてもよい。
上記熱交換器部２７は、筐体２４の軸方向長さに沿い所定の厚さ寸法で、筐体２４断面に合致する円盤状をなし、枠内に多数枚のフィンが収容されてなる。これらフィンは、互いに筐体２４の軸方向に沿って空隙を存するように向きを揃えられていて、筐体２４の軸方向に沿う左右両側部に対して通気性が保持される。 The suction rotor 26 is supported by a bearing unit with a central axis as a rotation axis, and a drive mechanism (none of which is shown) having a drive source is connected to the rotation axis, and rotates, for example, by 180 ° every predetermined time. It is designed to be driven. Further, the suction rotor 26 may be continuously driven to rotate at a low speed.
The heat exchanger section 27 has a predetermined thickness dimension along the axial length of the casing 24, has a disk shape that matches the section of the casing 24, and contains a large number of fins in the frame. These fins are aligned with each other so that there is a gap along the axial direction of the casing 24, and air permeability is maintained with respect to the left and right side portions along the axial direction of the casing 24.

上記筐体２４の一側端部において、仕切り板２５によって仕切られる下部側空間ｃに連通するよう外気導入管２８が接続され、上部側空間部ｄに連通するよう排気管２９が接続される。さらに、筐体２４の他側端部において、下部側空間ｃに連通するよう外気案内管３０が接続され、この外気案内管３０は居室Ｒ内へ延出される。上部側空間ｄに連通するよう排気導通管３１が接続され、この排気導通管３１も居室Ｒ内へ延出される。   At one end of the casing 24, an outside air introduction pipe 28 is connected so as to communicate with the lower side space c partitioned by the partition plate 25, and an exhaust pipe 29 is connected so as to communicate with the upper side space d. Further, an outside air guide tube 30 is connected to the other end of the housing 24 so as to communicate with the lower space c, and the outside air guide tube 30 extends into the living room R. An exhaust conduction pipe 31 is connected to communicate with the upper side space d, and the exhaust conduction pipe 31 is also extended into the living room R.

外気案内管３０の中途部と、排気管２９の中途部には、小型のエアーポンプ（図示しない）が設けられている。外気案内管３０に設けられるエアーポンプを駆動することによって外気導入管２８から外気を導入し、筐体２４の仕切り板２５で仕切られる下部側空間ｃを介して外気案内管３０から居室Ｒ内へ導くことができる。排気管２９に設けられるエアーポンプを駆動することによって、居室Ｒ内の空気を排気導通管３１から取出し、上部側空間ｄを介して排気管２９から室外へ排出することができる。
図に破線で示すように、上記外気導入管２８と居室Ｒとを連通管３２で連通し、さらに、上記排気導通管３１の中途部と室外とを連通管３３で連通するようにしてもよい。 A small air pump (not shown) is provided in the middle of the outside air guide pipe 30 and in the middle of the exhaust pipe 29. By driving an air pump provided in the outside air guide pipe 30, outside air is introduced from the outside air introduction pipe 28, and the outside air guide pipe 30 enters the room R through the lower space c partitioned by the partition plate 25 of the housing 24. Can lead. By driving the air pump provided in the exhaust pipe 29, the air in the living room R can be taken out from the exhaust conduction pipe 31 and discharged from the exhaust pipe 29 to the outside through the upper space d.
As indicated by a broken line in the figure, the outside air introduction pipe 28 and the living room R may be communicated by a communication pipe 32, and further, a midway portion of the exhaust conduction pipe 31 and the outside may be communicated by a communication pipe 33. .

一方、貯湯槽１の側面上部と側面下部にループ状に形成される配管３４が接続され、このループ状配管３４によって第２の循環回路３５が構成されている。第２の循環回路３５には、上記貯湯槽１と、第３の循環ポンプ３６と、上記デシカントユニット２３に設けられる加熱部３７と、上記居室Ｒの床Ｙに埋設される温水回路３８が順に設けられる。   On the other hand, a pipe 34 formed in a loop shape is connected to the upper side and the lower side of the hot water tank 1, and the second circulation circuit 35 is configured by the loop pipe 34. In the second circulation circuit 35, the hot water tank 1, the third circulation pump 36, the heating unit 37 provided in the desiccant unit 23, and the hot water circuit 38 embedded in the floor Y of the living room R are sequentially provided. Provided.

なお説明すると、第２の循環回路３５を構成する配管３４は、貯湯槽１から第３の循環ポンプ３６を介してデシカントユニット２３に延出され、筐体２４内の仕切り板２５によって仕切られる上部側空間ｄで、しかも吸着ロータ２６と熱交換器部２７との間に挿入され、略Ｕ字状に屈曲形成される。この筐体２４内における略Ｕ字状配管部分を、上記加熱部３７と呼ぶ。   If it explains, piping 34 which constitutes the 2nd circulation circuit 35 will be extended to desiccant unit 23 via hot water storage tank 1 via the 3rd circulation pump 36, and the upper part divided by partition plate 25 in case 24 In the side space d, it is inserted between the adsorption rotor 26 and the heat exchanger section 27, and is bent into a substantially U shape. The substantially U-shaped piping portion in the housing 24 is referred to as the heating unit 37.

図２は、居室Ｒの床Ｙに埋設される冷温水回路２１および温水回路３８の構成図である。上述したように、冷温水回路２１は床冷暖房装置１８を構成し、温水回路３８は第２の循環回路３５を構成するものである。
上記冷温水回路２１は、居室Ｒの一側部と他側部に集合管４０が設けられ、上記配管２２が接続される。これら集合管４０には、ここでは３本の熱交換パイプ４１が接続され、それぞれ互いに並行に延出されて、集合管４０相互間においてジグザグ状に屈曲形成される。 FIG. 2 is a configuration diagram of the cold / hot water circuit 21 and the hot water circuit 38 embedded in the floor Y of the living room R. As described above, the cold / hot water circuit 21 constitutes the floor cooling / heating device 18, and the hot water circuit 38 constitutes the second circulation circuit 35.
The cold / hot water circuit 21 is provided with a collecting pipe 40 at one side and the other side of the living room R, and the pipe 22 is connected thereto. Here, three heat exchange pipes 41 are connected to these collecting pipes 40 and extend in parallel with each other, and are bent and formed in a zigzag manner between the collecting pipes 40.

一方、上記第２の循環回路３５を構成する２本の配管３４が、居室Ｒの側面部に沿って並行して引き回されている。上記温水回路３８は、これら２本の配管３４の中途部および先端部に接続される略Ｕ字状に屈曲形成される熱交換パイプ４２であり、上記冷温水回路２１を構成する熱交換パイプ４１のジグザグ状相互間に介在される。
つぎに、このようにして構成される空調給湯システムにおける作用について説明する。
はじめに、図３から貯湯運転を説明する。
開閉弁２を開放して給水源から貯湯槽１内に水を充満させておく。深夜電力の開始とともに冷凍サイクル装置１２の圧縮機１４と第１の循環ポンプ８に通電する。開閉弁Ａは開放し、開閉弁Ｂは閉成する。なお、第２の循環ポンプ２０と第３の循環ポンプ３６には通電しない。 On the other hand, two pipes 34 constituting the second circulation circuit 35 are routed in parallel along the side surface of the living room R. The hot water circuit 38 is a heat exchange pipe 42 that is bent and formed in a substantially U shape connected to the middle part and the tip part of the two pipes 34, and the heat exchange pipe 41 that constitutes the cold / hot water circuit 21. Between the zigzags.
Next, the operation of the air conditioning and hot water supply system configured as described above will be described.
First, the hot water storage operation will be described with reference to FIG.
The on-off valve 2 is opened to fill the hot water tank 1 with water from a water supply source. With the start of midnight power, the compressor 14 and the first circulation pump 8 of the refrigeration cycle apparatus 12 are energized. The on-off valve A is opened and the on-off valve B is closed. The second circulation pump 20 and the third circulation pump 36 are not energized.

圧縮機１４が駆動されることにより冷凍サイクル運転が開始され、圧縮機１４で圧縮された高温高圧の冷媒ガスが四方切換え弁１５を介して主熱交換器部１３に導かれ、凝縮して凝縮熱を放出する。
同時に、第１の循環ポンプ８の駆動にともなって、貯湯槽１内の下部から低温の温水が導出され、第１の循環ポンプ８を介して吸熱側熱交換器９に導かれる。この吸熱側熱交換器９において、低温の温水は冷凍サイクル装置１２の主熱交換器部１３から放出される冷媒の凝縮熱を吸熱して温度上昇し、吸熱側熱交換器９から導出される。 When the compressor 14 is driven, the refrigeration cycle operation is started, and the high-temperature and high-pressure refrigerant gas compressed by the compressor 14 is led to the main heat exchanger section 13 through the four-way switching valve 15, and condensed and condensed. Release heat.
At the same time, with the driving of the first circulation pump 8, low-temperature hot water is led out from the lower part of the hot water tank 1 and led to the heat absorption side heat exchanger 9 through the first circulation pump 8. In the heat absorption side heat exchanger 9, the low-temperature hot water absorbs the heat of condensation of the refrigerant released from the main heat exchanger section 13 of the refrigeration cycle apparatus 12 and rises in temperature, and is derived from the heat absorption side heat exchanger 9. .

冷凍サイクル装置１２において、主熱交換器部１３で凝縮液化した冷媒は電子膨張弁１６に導かれて減圧膨張し、補助熱交換器部１７で蒸発して、四方切換え弁１５を介して圧縮機１４に吸込まれ、上述の冷凍サイクルを循環する。吸熱側熱交換器９で温度上昇した温水は利用側熱交換器１０に導かれるが、床冷暖房装置１８の熱交換器部１９には熱交換水が循環していないので、何らの熱交換も行われずそのまま流通して貯湯槽１上部に導入される。   In the refrigeration cycle apparatus 12, the refrigerant condensed and liquefied in the main heat exchanger section 13 is guided to the electronic expansion valve 16 and expanded under reduced pressure, evaporates in the auxiliary heat exchanger section 17, and is compressed through the four-way switching valve 15. 14 is circulated through the refrigeration cycle described above. The hot water whose temperature has risen in the heat absorption side heat exchanger 9 is guided to the use side heat exchanger 10, but since the heat exchange water does not circulate in the heat exchanger section 19 of the floor cooling and heating device 18, no heat exchange is performed. It is distributed without being performed and introduced into the upper part of the hot water tank 1.

このようにして、貯湯槽１下部側の低温の温水が第１の循環回路７を循環し、その途中、吸熱側熱交換器９において冷凍サイクル装置１２から吸熱して温度上昇する。深夜電力の利用時間が切れるまでには、貯湯槽１内の温水は所定温度まで上昇し、その時点で圧縮機１４と第１の循環ポンプ８に対する通電を遮断して、冷凍サイクル装置１２の冷凍サイクル運転および第１の循環回路７の温水循環作用を停止する。
したがって、深夜電力の利用時間が切れて、再び開始されるまでの間は、給湯水栓４を開放して給湯するのに何らの支障もない。 In this way, the low-temperature hot water on the lower side of the hot water tank 1 circulates in the first circulation circuit 7, and in the middle, the heat absorption side heat exchanger 9 absorbs heat from the refrigeration cycle device 12 and the temperature rises. The hot water in the hot water tank 1 rises to a predetermined temperature until the midnight power usage time expires, at which point the power supply to the compressor 14 and the first circulation pump 8 is cut off, and the refrigeration cycle apparatus 12 is refrigerated. The cycle operation and the hot water circulation action of the first circulation circuit 7 are stopped.
Therefore, there is no problem in supplying hot water by opening the hot water faucet 4 until the midnight power usage time expires and is started again.

つぎに、図４から床暖房運転を説明する。
このときは、上述の貯湯運転が行われたうえで冷凍サイクル装置１２の駆動を停止し、かつ第１の循環ポンプ８と、第２の循環ポンプ２０および第３の循環ポンプ３６に通電して駆動を開始する。したがって、第１の循環回路７と、床冷暖房装置１８および第２の循環回路３５に温水が循環する。開閉弁Ａは閉成し、開閉弁Ｂは開放する。 Next, the floor heating operation will be described with reference to FIG.
At this time, after the above hot water storage operation is performed, the driving of the refrigeration cycle apparatus 12 is stopped, and the first circulation pump 8, the second circulation pump 20, and the third circulation pump 36 are energized. Start driving. Therefore, hot water circulates through the first circulation circuit 7, the floor cooling / heating device 18, and the second circulation circuit 35. The on-off valve A is closed and the on-off valve B is opened.

第１の循環回路７においては、貯湯槽１の下部から高温の温水が導出され、第１の循環ポンプ８を介して吸熱側熱交換器９に導かれるが、冷凍サイクル装置１２は冷凍サイクル運転が行われていないので、高温の温水は主熱交換器部１３と熱交換することなく、そのまま通過して利用側熱交換器１０に導かれる。
高温の温水は利用側熱交換器１０で床冷暖房装置１８を構成する冷温水熱交換器部１９と熱交換する。冷温水熱交換器部１９に循環する温水は温度上昇して居室Ｒの床Ｙに埋設される冷温水回路２１に沿って導かれ、このとき床Ｙを加熱して居室Ｒの暖房作用をなす。 In the first circulation circuit 7, high-temperature hot water is led out from the lower part of the hot water tank 1 and led to the heat absorption side heat exchanger 9 through the first circulation pump 8, but the refrigeration cycle apparatus 12 operates in the refrigeration cycle. Therefore, the high-temperature hot water passes through the heat exchanger 10 without any heat exchange with the main heat exchanger 13 and is guided to the use-side heat exchanger 10.
The hot hot water exchanges heat with the cold / hot water heat exchanger section 19 constituting the floor cooling / heating device 18 by the use side heat exchanger 10. The hot water circulating to the cold / hot water heat exchanger section 19 rises in temperature and is guided along the cold / hot water circuit 21 embedded in the floor Y of the living room R. At this time, the floor Y is heated to perform the heating action of the living room R. .

利用側熱交換器１０において床冷暖房装置１８の冷温水熱交換器部１９と熱交換して温度低下した温水は、開閉弁Ｂとバイパス管１１を介して貯湯槽１下部へ導かれ、貯溜されている高温の湯と混合して温度上昇する。第１の循環ポンプ８の駆動が継続されているので、再び貯湯槽１底部から高温の温水が第１の循環回路７を循環し、利用側熱交換器１０において床冷暖房装置１８の冷温水熱交換器部１９への放熱を継続する。
床冷暖房装置１８においては、冷温水回路２１を構成する集合管４０から熱交換パイプ４１に分流され、床面Ｙに対しジグザグ状に流動しながら温熱を放出して床暖房をなす。そして、一旦、他方の集合管４０に合流して導出され、再び冷温水熱交換部１９で利用側熱交換器１０から吸熱し、温度上昇して冷温水回路２１で放熱を継続する。 The hot water whose temperature has been reduced by exchanging heat with the cold / hot water heat exchanger section 19 of the floor cooling / heating device 18 in the use-side heat exchanger 10 is guided to the lower part of the hot water tank 1 through the on-off valve B and the bypass pipe 11 and stored. The temperature rises when mixed with hot water. Since the driving of the first circulation pump 8 is continued, high-temperature hot water circulates again from the bottom of the hot water tank 1 through the first circulation circuit 7, and the hot / cold water heat of the floor cooling / heating device 18 is used in the use-side heat exchanger 10. The heat dissipation to the exchanger unit 19 is continued.
In the floor cooling / heating device 18, the hot water is diverted from the collecting pipe 40 constituting the cold / hot water circuit 21 to the heat exchange pipe 41, and the floor heat is released while flowing in a zigzag manner with respect to the floor surface Y. Then, the heat is once extracted by joining the other collecting pipe 40, and again absorbs heat from the use-side heat exchanger 10 in the cold / hot water heat exchanger 19, and the temperature rises and heat dissipation continues in the cold / hot water circuit 21.

再び図４に示すように、第３の循環ポンプ３６の駆動にともなって貯湯槽１内上部に貯溜される高温の温水が導出され、第２の循環回路３５を循環する。すなわち、高温の温水は貯湯槽１から、デシカントユニット２３内に設けられる加熱部３７に導かれる。外気案内管３０と排気管２９に設けられるエアーポンプは停止しているので筐体２４内に気流が生じておらず、したがって加熱部３７ではほとんど放熱されない。   As shown in FIG. 4 again, the hot water stored in the upper part of the hot water tank 1 is led out by driving the third circulation pump 36 and circulates through the second circulation circuit 35. That is, high-temperature hot water is led from the hot water tank 1 to the heating unit 37 provided in the desiccant unit 23. Since the air pumps provided in the outside air guide pipe 30 and the exhaust pipe 29 are stopped, no airflow is generated in the housing 24, and therefore, the heating unit 37 hardly radiates heat.

結局、貯湯槽１から第２の循環回路３５に導かれる高温の温水は、貯湯槽１から導出された際の温度を保持して、高温のまま居室Ｒの床Ｙに設けられる温水回路３８に導かれて放熱する。したがって、先に説明した冷温水回路２１からの放熱に加えて、温水回路３８からも放熱して居室Ｒを効率よく床暖房する。   Eventually, the high temperature hot water led from the hot water tank 1 to the second circulation circuit 35 maintains the temperature at the time of being led out from the hot water tank 1, and the hot water is supplied to the hot water circuit 38 provided on the floor Y of the living room R with the high temperature. It is guided and dissipates heat. Therefore, in addition to heat radiation from the cold / hot water circuit 21 described above, heat is also radiated from the hot water circuit 38 to efficiently heat the room R to the floor.

温水回路３８で放熱して温度低下した温水は貯湯槽１に導入され、高温の温水と混合して温度上昇する。第３の循環ポンプ３６の運転が継続しているので、居室Ｒの床Ｙに設けられる温水回路３８には引き続いて貯湯槽１から高温の温水が導かれて放熱し、床暖房作用をなす。
なお、床暖房運転にともなう放熱で貯湯槽１内の温水温度が所定値以下に低下したことを検知したときは、直ちに冷凍サイクル装置１２の駆動を再開する。貯湯槽１内の温水温度は常に所定値を保持されるので、床暖房運転時に、給湯水栓４を開放して給湯するのに何らの支障もない。 The hot water whose temperature has decreased due to heat dissipation in the hot water circuit 38 is introduced into the hot water tank 1 and mixed with high-temperature hot water to increase the temperature. Since the operation of the third circulation pump 36 continues, the hot water circuit 38 provided in the floor Y of the living room R continues to introduce high-temperature hot water from the hot water tank 1 to dissipate heat, thereby performing a floor heating operation.
When it is detected that the temperature of the hot water in the hot water storage tank 1 has decreased to a predetermined value or less due to heat radiation accompanying the floor heating operation, the driving of the refrigeration cycle apparatus 12 is immediately resumed. Since the hot water temperature in the hot water tank 1 is always maintained at a predetermined value, there is no problem in supplying hot water by opening the hot water tap 4 during floor heating operation.

つぎに、図５から床冷房運転について説明する。
床冷房運転を行う夏季の間は、冷凍サイクル装置１２に対する作動時間等を制御して、貯湯槽１の上部にある温水は所定温度に上昇するよう加熱するけれども、貯湯槽１下部の温水は低温の状態で冷凍サイクル運転を終了する。したがって、給湯水栓４を開放して給湯するのには何らの支障もない。
床冷房運転が設定されると、第１の循環ポンプ８と、第２の循環ポンプ２０および第３の循環ポンプ３６に通電して駆動を開始する。また、開閉弁Ａは閉成され、開閉弁Ｂは開放される。デシカントユニット２３に設けられる２台のエアーポンプは駆動を開始する。冷凍サイクル装置１２においては、四方切換え弁１５が貯湯運転時もしくは床暖房運転時とは切換えされたうえで、圧縮機１４が駆動を開始する。 Next, the floor cooling operation will be described with reference to FIG.
During the summer season when the floor cooling operation is performed, the operation time for the refrigeration cycle apparatus 12 is controlled so that the hot water at the upper part of the hot water tank 1 is heated to a predetermined temperature, but the hot water at the lower part of the hot water tank 1 is kept at a low temperature. The refrigeration cycle operation is terminated in the state. Therefore, there is no problem in opening the hot water tap 4 to supply hot water.
When the floor cooling operation is set, the first circulation pump 8, the second circulation pump 20, and the third circulation pump 36 are energized to start driving. On-off valve A is closed and on-off valve B is opened. The two air pumps provided in the desiccant unit 23 start driving. In the refrigeration cycle apparatus 12, the compressor 14 starts driving after the four-way switching valve 15 is switched between hot water storage operation and floor heating operation.

第１の循環回路７において、貯湯槽１の下部から低温の温水が導出され、第１の循環ポンプ８を介して吸熱側熱交換器９に導かれる。圧縮機１４を駆動して冷凍サイクル運転を行うことで主熱交換器部１３において冷媒が蒸発し、吸熱側熱交換器９を導通する低温の温水から蒸発潜熱を奪う。低温の温水は主熱交換器部１３によって冷却され、冷水に変る。
冷水が利用側熱交換器１０に導かれて床冷暖房装置１８の冷温水熱交換器部１９と熱交換し、第２の循環ポンプ２０の駆動にともなって熱交換器部１９に循環する熱交換水を温度低下させ冷水となす。冷水は、居室Ｒの床Ｙに埋設される冷温水回路２１に導かれ、床Ｙを冷却して居室Ｒの冷房作用をなす。 In the first circulation circuit 7, low-temperature hot water is led out from the lower part of the hot water tank 1, and is led to the heat absorption side heat exchanger 9 through the first circulation pump 8. By driving the compressor 14 and performing the refrigeration cycle operation, the refrigerant evaporates in the main heat exchanger section 13, and latent heat of evaporation is taken from the low-temperature hot water that conducts the heat absorption side heat exchanger 9. The low temperature hot water is cooled by the main heat exchanger section 13 and converted into cold water.
Heat exchange in which cold water is guided to the use-side heat exchanger 10 to exchange heat with the cold / hot water heat exchanger unit 19 of the floor cooling / heating device 18 and circulates to the heat exchanger unit 19 as the second circulation pump 20 is driven. Reduce the temperature of the water to cold water. The cold water is guided to a cold / hot water circuit 21 embedded in the floor Y of the living room R, and cools the floor Y to cool the living room R.

利用側熱交換器１０で冷温水熱交換器部１９と熱交換して温度上昇した冷水は、開閉弁Ｂとバイパス管１１を介して貯湯槽１下部に導入され、再び第１の循環回路７を循環する。一方、第３の循環ポンプ３６が駆動されて、貯湯槽１上部の高温の温水が第２の循環回路３５に導出され、デシカントユニット２３の筐体２４内に設けられる加熱部３７に導かれる。ここで後述するように放熱したあと、居室Ｒの床Ｙに設けられる温水回路３８に導かれて床面Ｙを加温する。
すなわち、貯湯槽１から導出された状態で温水は約９０℃あるが、デシカントユニット２３の加熱部３７で放熱することにより約４０℃に温度低下する。既に冷温水回路２１に冷水が導かれて床面Ｙを冷却し床冷房が行われているうえに、温水回路３８に低温の温水を導くことにより床面Ｙを低温状態で加温する。 The cold water whose temperature has been increased by exchanging heat with the cold / hot water heat exchanger section 19 in the use side heat exchanger 10 is introduced into the lower part of the hot water tank 1 through the on-off valve B and the bypass pipe 11, and again the first circulation circuit 7. Circulate. On the other hand, the third circulation pump 36 is driven, and the hot water at the upper part of the hot water tank 1 is led to the second circulation circuit 35 and led to the heating unit 37 provided in the housing 24 of the desiccant unit 23. Here, after radiating heat as described later, the floor surface Y is heated by being guided to a hot water circuit 38 provided on the floor Y of the living room R.
That is, the hot water is about 90 ° C. in the state of being led out from the hot water tank 1, but the temperature is lowered to about 40 ° C. by radiating heat in the heating unit 37 of the desiccant unit 23. The cold water has already been led to the cold / hot water circuit 21 to cool the floor surface Y to cool the floor, and the cold water is led to the hot water circuit 38 to heat the floor surface Y in a low temperature state.

すると、床冷房にともなって床面Ｙに発生していた結露が蒸発し、湿気となって微弱な上昇気流に変る。すなわち、床面Ｙは冷却されているけれども乾燥化され除湿状態となって、居住人においては不快な冷えがなくなり、快適床冷房が得られる。
デシカントユニット２３におけるエアーポンプの駆動にともない、外気が外気導入管２８を介して筐体２４内の仕切り板２５で仕切られた下部側空間ｃに導入される。吸着ロータ２６を導通して外気に含まれる水分が除去され、乾燥化して熱交換器部２７を導通し熱交換した後、外気案内管３０を介して居室Ｒ内に導かれる。 Then, the dew condensation generated on the floor surface Y evaporates with the floor cooling, and becomes moisture and changes to a weak ascending current. That is, although the floor surface Y is cooled, it is dried to be in a dehumidified state, and there is no unpleasant cooling for the resident, and a comfortable floor cooling is obtained.
With the driving of the air pump in the desiccant unit 23, the outside air is introduced into the lower side space c partitioned by the partition plate 25 in the housing 24 through the outside air introduction pipe 28. Moisture contained in the outside air is removed by conducting the adsorption rotor 26, dried and conducted through the heat exchanger section 27 to exchange heat, and then led into the living room R through the outside air guide tube 30.

居室Ｒには乾燥した新鮮外気が導入され、上述したように温水回路３８の作用によって蒸発した湿気をさらに乾燥化する。また、居室Ｒの低温空気の一部は排気導通管３１から排出され、筐体２４内の仕切り板２５で仕切られた上部側空間ｄに導入される。排出された居室空気は熱交換器部２７を流通し、この熱交換器部２７を介して下部側空間ｃに流通する高温の外気と熱交換する。
居室Ｒ内は少なくとも床冷房作用により冷却されていて、外気よりも温度が低い。下部側空間ｃを導通する高温の外気は、熱交換器部２７で熱交換して冷却され、外気案内管３０から居室Ｒ内に導入されるので、外気の導入にともなう温度上昇を最小限に抑制できる。 Fresh fresh dry air is introduced into the living room R, and the moisture evaporated by the action of the hot water circuit 38 is further dried as described above. A part of the low-temperature air in the living room R is discharged from the exhaust conduction pipe 31 and introduced into the upper space d partitioned by the partition plate 25 in the housing 24. The discharged room air flows through the heat exchanger section 27 and exchanges heat with the high-temperature outside air flowing through the lower space c via the heat exchanger section 27.
The inside of the living room R is cooled by at least the floor cooling action, and the temperature is lower than the outside air. The high temperature outside air conducted through the lower space c is cooled by exchanging heat in the heat exchanger section 27 and introduced into the room R from the outside air guide pipe 30, so that the temperature rise due to the introduction of outside air is minimized. Can be suppressed.

上部側空間ｄを導通する低温の居室空気は、熱交換器部２７で熱交換して加熱されたあと、第２の循環回路３５を構成する加熱部３７に接触してさらに温度上昇する。そして、吸着ロータ２６を流通して、ここに充填される吸着剤を加熱する。吸着ロータ２６に充填される吸着剤は、仕切り板２５の下部側空間ｃにおいて外気導入管２８から導かれる外気から水分を吸着している。
しかも、吸着ロータ２６は所定時間毎に１８０°回転するので、吸着剤が上部側空間ｄに位置したところで、加熱部３７で加熱された居室空気によって加熱される。したがって、吸着剤に含まれていた水分が蒸発し、吸着剤の吸着特性が復帰する。吸着剤から蒸発した水分は上部側空間ｄから排気管２９を介して室外へ排出される。 The low-temperature room air conducted through the upper space d is heated by exchanging heat in the heat exchanger unit 27, and then comes into contact with the heating unit 37 constituting the second circulation circuit 35 and further rises in temperature. Then, the adsorbent filled in the adsorbing rotor 26 is heated. The adsorbent filled in the adsorption rotor 26 adsorbs moisture from the outside air introduced from the outside air introduction pipe 28 in the lower space c of the partition plate 25.
Moreover, since the adsorption rotor 26 rotates 180 ° every predetermined time, the adsorbent is heated by the room air heated by the heating unit 37 when the adsorbent is located in the upper space d. Therefore, the moisture contained in the adsorbent evaporates, and the adsorption characteristics of the adsorbent are restored. Moisture evaporated from the adsorbent is discharged from the upper space d through the exhaust pipe 29 to the outside of the room.

なお、上記貯湯槽１は、もともと冬季に床暖房と給湯が可能な量が貯えられるだけの大きさ（容量）に形成されているため、床冷房運転を行う夏季においては、全貯湯する必要もなければ湯切れの心配もない。
図に破線で示すように、外気導入管２８と居室Ｒとを連通する連通管３２を設けたから、居室Ｒ内の低温空気の一部が導出されて、外気導入管２８に導かれる高温の外気と混合したうえで下部側空間ｃに導かれる。したがって、新鮮外気はより低温化した状態になって、ついには居室Ｒに導かれるので、居室Ｒに対する熱的負担が軽減されるとともに、除湿効果が高まる。 The hot water tank 1 is originally formed in a size (capacity) that can store floor heating and hot water supply in winter, so that it is necessary to store all hot water in the summer when floor cooling operation is performed. Otherwise there is no worry of running out of water.
As shown by the broken line in the figure, since the communication pipe 32 that communicates the outside air introduction pipe 28 and the room R is provided, a part of the low temperature air in the room R is led out and the high temperature outside air that is guided to the outside air introduction pipe 28 is drawn. And then guided to the lower space c. Accordingly, the fresh outside air is brought into a lower temperature state and finally led to the living room R, so that the thermal burden on the living room R is reduced and the dehumidifying effect is enhanced.

排気導通管３１の中途部に連通管３３を接続したから、排気導通管３１から排出される低温の居室Ｒ空気に高温の外気が混入されたうえで上部側空間ｄを導通する。このことにより、吸着ロータ２６に導かれる空気の熱量がさらに増大して、吸着剤に対する乾燥効果を確実なものとする。
上記空調給湯システムにおいては、上記冷凍サイクル装置１２に用いられる冷媒として、炭化水素（ＨＣ）系冷媒を用いることを特徴の一つとしている。すなわち、貯湯槽１の大きさ（容量）が床暖房を可能とするよう設定されているため、そもそもＣＯ２の９０℃貯湯は不要である。ここでの冷凍サイクル装置１２としては、冷媒として自然冷媒である炭化水素系冷媒（たとえば、プロパン）を用いることで、より低い動作圧で貯湯（８５℃）が可能である。 Since the communication pipe 33 is connected to the middle part of the exhaust conduction pipe 31, high temperature outside air is mixed into the low-temperature room R air discharged from the exhaust conduction pipe 31, and the upper space d is conducted. This further increases the amount of heat of the air guided to the adsorption rotor 26 and ensures a drying effect on the adsorbent.
One feature of the air conditioning and hot water supply system is that a hydrocarbon (HC) refrigerant is used as the refrigerant used in the refrigeration cycle apparatus 12. That is, since the size (capacity) of the hot water tank 1 is set so as to enable floor heating, 90 ° C. hot water storage of CO 2 is unnecessary in the first place. The refrigeration cycle apparatus 12 here can store hot water (85 ° C.) at a lower operating pressure by using a hydrocarbon-based refrigerant (for example, propane), which is a natural refrigerant, as the refrigerant.

なお、炭化水素系冷媒は強燃性であるが、本発明における空調給湯システムは水を媒体にした２次ループ型のシステム構成であるために、危険度に対する事柄が一切存在せず、安全な運転が確保される。
また、本発明は上述した実施の形態そのままに限定されるものではなく、実施段階ではその要旨を逸脱しない範囲で構成要素を変形して具体化できる。そして、上述した実施の形態に開示されている複数の構成要素の適宜な組み合わせにより種々の発明を形成できる。 Although the hydrocarbon-based refrigerant is highly flammable, the air conditioning hot water supply system in the present invention has a secondary loop type system configuration using water as a medium. Driving is secured.
Further, the present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments.

本発明の実施の形態に係る、空調給湯システムの概略の構成図。The schematic block diagram of the air-conditioning hot-water supply system based on embodiment of this invention. 同実施の形態に係る、居室の床に形成される冷温水回路と温水回路の構成図。The block diagram of the cold / hot water circuit and hot water circuit which are formed in the floor of a living room based on the embodiment. 同実施の形態に係る、貯湯運転時の作用を説明する図。The figure explaining the effect | action at the time of the hot water storage driving | operation based on the embodiment. 同実施の形態に係る、床暖房運転時の作用を説明する図。The figure explaining the effect | action at the time of floor heating operation based on the embodiment. 同実施の形態に係る、床冷房運転時の作用を説明する図。The figure explaining the effect | action at the time of floor cooling operation based on the embodiment.

符号の説明Explanation of symbols

１…貯湯槽、８…第１の循環ポンプ、９…吸熱側熱交換器、１０…利用側熱交換器、７…第１の循環回路、１３…主熱交換器部、１２…冷凍サイクル装置、１９…冷温水熱交換器部、２０…第２の循環ポンプ、Ｒ…居室、Ｙ…床、２１…冷温水回路、１８…床冷暖房装置（床冷暖房手段）、２６…吸着ロータ（水分吸着手段）、２３…デシカントユニット、３６…第３の循環ポンプ、３７…加熱部、３８…温水回路、３５…第２の循環回路。   DESCRIPTION OF SYMBOLS 1 ... Hot water storage tank, 8 ... 1st circulation pump, 9 ... Endothermic heat exchanger, 10 ... Usage side heat exchanger, 7 ... 1st circulation circuit, 13 ... Main heat exchanger part, 12 ... Refrigeration cycle apparatus , 19 ... cold / hot water heat exchanger section, 20 ... second circulation pump, R ... living room, Y ... floor, 21 ... cold / hot water circuit, 18 ... floor cooling / heating device (floor cooling / heating means), 26 ... adsorption rotor (moisture adsorption) Means), 23 ... desiccant unit, 36 ... third circulation pump, 37 ... heating section, 38 ... hot water circuit, 35 ... second circulation circuit.

Claims (2)

温水を貯溜する貯湯槽と、第１の循環ポンプと、吸熱側熱交換器と、利用側熱交換器とをループ状の配管を介して連通してなる第１の循環回路と、
この第１の循環回路の上記吸熱側熱交換器と熱交換する主熱交換器部を備え、冷媒管を介してヒートポンプ式の冷凍サイクル構成部品を連通してなる冷凍サイクル装置と、
上記第１の循環回路の上記利用側熱交換器と熱交換する冷温水熱交換器部と、第２の循環ポンプと、居室の床に埋設される冷温水回路とをループ状の配管を介して連通してなる床冷暖房手段と、
水分を除去する水分吸着手段を備え、外気に含まれる水分を除去したうえで居室内に供給するデシカントユニットと、
上記貯湯槽と、第３の循環ポンプと、上記デシカントユニットに設けられ上記水分吸着手段加熱用の加熱部と、上記居室の床に埋設される温水回路とをループ状の配管を介して連通する第２の循環回路と
を具備することを特徴とする空調給湯システム。 A first hot water tank for storing hot water, a first circulation pump, a heat absorption side heat exchanger, and a use side heat exchanger in communication with each other via a loop-shaped pipe;
A refrigeration cycle apparatus comprising a main heat exchanger section for exchanging heat with the heat absorption side heat exchanger of the first circulation circuit, and a heat pump type refrigeration cycle component communicating with each other through a refrigerant pipe;
A cold / hot water heat exchanger section exchanging heat with the use side heat exchanger of the first circulation circuit, a second circulation pump, and a cold / hot water circuit embedded in the floor of the living room via a loop-shaped pipe. Floor heating / cooling means communicating with each other,
A desiccant unit equipped with a moisture adsorbing means for removing moisture, supplying moisture into the room after removing moisture contained in the outside air,
The hot water tank, the third circulation pump, the heating unit for heating the moisture adsorption means provided in the desiccant unit, and the hot water circuit embedded in the floor of the living room are communicated with each other through a loop-shaped pipe. An air conditioning and hot water supply system comprising: a second circulation circuit. 上記冷凍サイクル装置に用いられる冷媒は、炭化水素系冷媒であることを特徴とする請求項１記載の空調給湯システム。   The air-conditioning hot-water supply system according to claim 1, wherein the refrigerant used in the refrigeration cycle apparatus is a hydrocarbon-based refrigerant.
JP2004363262A 2004-12-15 2004-12-15 Air conditioning hot water supply system Pending JP2006170520A (en)

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JP2008302874A (en) * 2007-06-11 2008-12-18 Shin Nippon Air Technol Co Ltd Humidity control air-conditioning system for automobile
JP2009006949A (en) * 2007-06-29 2009-01-15 Mitsubishi Chemicals Corp Vehicular humidifier/dehumidifier
JP2010145007A (en) * 2008-12-18 2010-07-01 Kansai Electric Power Co Inc:The Desiccant air conditioning system, and method for desiccant air conditioning using the same
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JP2010223443A (en) * 2009-03-19 2010-10-07 Osaka Gas Co Ltd Cold water supply system and cold/warm water supply system
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CN107270447A (en) * 2017-06-29 2017-10-20 斯福朗（北京）环保科技有限公司 A kind of capillary radiation special air conditioner heat pump fresh air group and its control method
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