JP2000346401A - Externally melting thermal storage tank and thermal storage air conditioner - Google Patents
Externally melting thermal storage tank and thermal storage air conditionerInfo
- Publication number
- JP2000346401A JP2000346401A JP11152017A JP15201799A JP2000346401A JP 2000346401 A JP2000346401 A JP 2000346401A JP 11152017 A JP11152017 A JP 11152017A JP 15201799 A JP15201799 A JP 15201799A JP 2000346401 A JP2000346401 A JP 2000346401A
- Authority
- JP
- Japan
- Prior art keywords
- water
- storage tank
- heat storage
- heat
- brine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、外融式蓄熱槽およ
びそれを用いた蓄熱式空気調和機に係り、特に、冬季の
暖房運転時における立ち上げ時間の短時間化に好適な外
融式蓄熱槽およびそれを用いた蓄熱式空気調和機に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an external fusion type heat storage tank and a thermal storage type air conditioner using the same, and more particularly, to an external fusion type heat storage tank suitable for shortening a start-up time during a heating operation in winter. The present invention relates to a heat storage tank and a heat storage type air conditioner using the same.
【0002】[0002]
【従来の技術】電力料金の安い夜間に電気エネルギーを
熱エネルギーに変換して蓄熱し、蓄熱されたエネルギー
を昼間に利用する蓄熱装置や、この蓄熱装置を利用した
蓄熱式空気調和機が採用されている。2. Description of the Related Art A heat storage device which converts electric energy into heat energy at night when the electricity rate is low and stores the heat, and uses the stored energy in the daytime, and a heat storage type air conditioner using the heat storage device are employed. ing.
【0003】前記蓄熱装置は、たとえば、特開平7−1
74369号公報に開示されているように、低温のブラ
インが供給される伝熱管が氷蓄熱水槽内に多層状に配設
され、氷蓄熱槽の下部に、水槽内の伝熱管の周囲に生成
した氷と熱交換した冷水を空調機側に送り出す冷水配管
が接続され、氷蓄熱水槽の上部に空気調和機からの戻り
水を水槽内に送り込む戻り水送り管が接続されたスタテ
ィック型の氷蓄熱装置において、氷蓄熱槽内の上記戻り
水送り管の先端部に、戻り水を噴出する複数の分流穴が
穿設された分流管を接続し、この分流管に接続され、上
記分流穴からの噴流によって水槽内に引き起こされた渦
流の停滞区域に延設した構成としている。The heat storage device is disclosed in, for example,
As disclosed in Japanese Patent No. 74369, heat transfer tubes to which low-temperature brine is supplied are arranged in a multilayer shape in an ice heat storage water tank, and are formed below the ice heat storage tank around the heat transfer tubes in the water tank. A static-type ice heat storage device that is connected to a chilled water pipe that sends cold water that has exchanged heat with ice to the air conditioner, and that is connected to a return water feed pipe that feeds return water from the air conditioner into the water tank above the ice heat storage water tank. At the tip of the return water feed pipe in the ice heat storage tank, a diversion pipe having a plurality of diversion holes for jetting return water is connected, and the diversion pipe is connected to the diversion pipe, and the jet from the diversion hole is connected to the diversion pipe. The structure extends to the stagnation area of the vortex caused in the water tank.
【0004】そして、伝熱管の周囲に生成した氷を均一
に溶かし、安定した温度の冷水を空気調和機側に供給す
ることができるようにしている。[0004] The ice generated around the heat transfer tubes is uniformly melted so that cold water at a stable temperature can be supplied to the air conditioner side.
【0005】このような氷蓄熱装置を用いた空気調和機
においては、夏季には、夜間に氷蓄熱槽内の水を凍らせ
て冷熱を蓄え、蓄えられた冷熱を昼間の冷房に使用し、
冬季には、氷蓄熱槽内の水を加熱して温熱を蓄え、蓄え
られた温熱を昼間の暖房に利用している。[0005] In an air conditioner using such an ice heat storage device, in summer, water in the ice heat storage tank is frozen at night to store cold heat, and the stored cold heat is used for cooling in daytime.
In winter, the water in the ice storage tank is heated to store heat, and the stored heat is used for daytime heating.
【0006】[0006]
【発明が解決しようとする課題】たとえば、上記のよう
な氷蓄熱装置を利用して冬季に暖房を行う場合、暖房開
始時には空気調和機の室内ユニット内が室内の空気と同
じ温度まで冷えているため、室内ユニットの起動時に冷
風が吹き出し室内の空気を攪拌するため、暖房運転を開
始したにもかかわらず、さらに室内が冷え込む感じを与
え不快感を与えることがある。For example, when heating is performed in winter using the above-described ice heat storage device, the interior of the indoor unit of the air conditioner is cooled to the same temperature as the indoor air at the start of heating. Therefore, when the indoor unit is started, the cool air is blown out to agitate the air in the room, so that even when the heating operation is started, the room may be further cooled and uncomfortable.
【0007】上記の事情に鑑み、本発明の目的は、暖房
運転開始時の冷風の吹き出しをなくし、快適な運転がで
きるようにした外融式蓄熱槽およびそれを用いた蓄熱式
空気調和機を提供することにある。In view of the above-mentioned circumstances, an object of the present invention is to provide a heat storage type air conditioner using an external fusion type heat storage tank and a heat storage type air conditioner using the same, which eliminates blowing of cold air at the start of a heating operation and enables a comfortable operation. To provide.
【0008】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の外融式蓄熱槽は、熱源機と、熱源機に接続
された水ーブライン熱交換器と、蓄熱媒体としての水を
蓄える蓄熱槽と、前記熱源機に接続され、かつ、蓄熱槽
内に配置された蓄熱熱交換器と、前記熱源機と水ーブラ
イン熱交換器の間、および熱源機と蓄熱熱交換器の間で
ブラインを循環させるブラインポンプと、それぞれ電動
二方向弁を介して前記蓄熱槽に接続された複数の負荷設
備と、前記蓄熱槽内の水を前記蓄熱槽と負荷設備の間で
循環させる水ポンプと、前記蓄熱槽内の水を循環させる
循環ポンプとを設け、前記循環ポンプの吐出側の配管を
分岐し、分岐された一方を前記を前記水ポンプと電動二
方向弁との間に接続した。In order to achieve the above-mentioned object, an external fusion type heat storage tank according to the present invention comprises a heat source unit, a water brine heat exchanger connected to the heat source unit, and water as a heat storage medium. A heat storage tank for storing, a heat storage heat exchanger connected to the heat source device, and disposed in the heat storage tank, between the heat source device and the water line heat exchanger, and between the heat source device and the heat storage heat exchanger. A brine pump that circulates brine, a plurality of load facilities each connected to the heat storage tank via an electric two-way valve, and a water pump that circulates water in the heat storage tank between the heat storage tank and the load equipment. A circulating pump for circulating water in the heat storage tank; branching a pipe on the discharge side of the circulating pump; connecting one of the branches between the water pump and the electric two-way valve;
【0009】また、本発明の蓄熱式空気調和機は、熱源
機と、熱源機に接続された水ーブライン熱交換器と、水
を蓄える蓄熱槽と、前記熱源機に接続され、かつ、蓄熱
槽内に配置された蓄熱熱交換器と、前記熱源機と水ーブ
ライン熱交換器の間、および熱源機と蓄熱熱交換器の間
でブラインを循環させるブラインポンプと、それぞれ電
動二方向弁を介して前記蓄熱槽に接続された複数の空気
調和機の室内ユニットと、前記蓄熱槽内の水を前記蓄熱
槽と各室内ユニットの間で循環させる水ポンプと、前記
蓄熱槽内の水を循環させる循環ポンプとを設け、前記循
環ポンプの吐出側の配管を分岐し、分岐された一方を前
記を前記水ポンプと電動二方向弁との間に接続した。[0009] Further, a regenerative air conditioner of the present invention comprises a heat source unit, a water line heat exchanger connected to the heat source unit, a heat storage tank for storing water, and a heat storage tank connected to the heat source unit. A heat storage heat exchanger disposed therein, a brine pump that circulates brine between the heat source unit and the water brine heat exchanger, and between the heat source unit and the heat storage heat exchanger, and via an electric two-way valve, respectively. An indoor unit of a plurality of air conditioners connected to the heat storage tank, a water pump for circulating water in the heat storage tank between the heat storage tank and each indoor unit, and a circulation for circulating water in the heat storage tank A pump was provided, a pipe on the discharge side of the circulation pump was branched, and one of the branches was connected between the water pump and the electric two-way valve.
【0010】[0010]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図1ないし図4は、本発明の実施
の形態を示すもので、図1は、本発明による外融式蓄熱
槽を用いた蓄熱式空気調和機の配管系統図、図2は、図
1に示す蓄熱式空気調和機における蓄熱時のブラインの
流れを示す配管系統図、図3は、図1に示す蓄熱式空気
調和機における冷暖房運転時のブラインおよび水の流れ
を示す配管系統図、図4は、図1に示す蓄熱式空気調和
機における暖房運転開始時のブラインおよび水の流れを
示す配管系統図である。Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the present invention. FIG. 1 is a piping diagram of a heat storage type air conditioner using an external fusion type heat storage tank according to the present invention, and FIG. FIG. 3 is a piping diagram showing the flow of brine during heat storage in the regenerative air conditioner shown in FIG. 3. FIG. 3 is a piping diagram showing the flow of brine and water during cooling / heating operation in the regenerative air conditioner shown in FIG. FIG. 2 is a piping diagram showing the flow of brine and water at the start of a heating operation in the regenerative air conditioner shown in FIG. 1.
【0011】同図において、1は熱源機。2は電動二方
向弁で、熱源機1に接続されている。3は水ーブライン
熱交換器で、電磁二方向弁2に接続されている。4は電
磁二方向弁で、前記熱源機1に前記電磁二方向弁2と並
列に接続されている。5は蓄熱槽で、内部に水を蓄えて
いる。6は蓄熱熱交換器で、前記蓄熱槽5内に配置さ
れ、前記電磁二方向弁4に接続されている。7はブライ
ンポンプで、前記水ーブライン熱交換器3と蓄熱熱交換
器6からの戻り配管の合流点と熱源機1の間に接続され
ている。In FIG. 1, reference numeral 1 denotes a heat source unit. Reference numeral 2 denotes an electric two-way valve, which is connected to the heat source unit 1. Reference numeral 3 denotes a water line heat exchanger, which is connected to the electromagnetic two-way valve 2. Reference numeral 4 denotes an electromagnetic two-way valve, which is connected to the heat source unit 1 in parallel with the electromagnetic two-way valve 2. 5 is a heat storage tank which stores water therein. Reference numeral 6 denotes a heat storage heat exchanger which is arranged in the heat storage tank 5 and connected to the electromagnetic two-way valve 4. A brine pump 7 is connected between the heat source unit 1 and a junction of return pipes from the water brine heat exchanger 3 and the heat storage heat exchanger 6.
【0012】8は電磁三方混合弁で、前記蓄熱槽5に接
続されている。9は水ポンプで、前記電磁三方混合弁8
に接続されている。10、11は電磁二方向弁。12、
13は室内ユニットで、それぞれ電磁二方向弁10、1
1と直列に接続されている。前記電磁二方向弁10、1
1と室内ユニット12、13は、前記水ポンプ9と水ー
ブライン熱交換器3の間に並列に接続されている。14
は電磁二方向弁で、前記水ーブライン熱交換器3と電磁
三方混合弁8の間に接続されている。15はヘッダで、
前記蓄熱槽5内に水中に位置するように配置され、前記
水ーブライン熱交換器3と電磁二方向弁14の間に接続
されている。An electromagnetic three-way mixing valve 8 is connected to the heat storage tank 5. Reference numeral 9 denotes a water pump, and the electromagnetic three-way mixing valve 8
It is connected to the. 10 and 11 are electromagnetic two-way valves. 12,
Reference numeral 13 denotes an indoor unit, which is an electromagnetic two-way valve 10, 1 respectively.
1 and connected in series. The electromagnetic two-way valve 10, 1
1 and the indoor units 12 and 13 are connected in parallel between the water pump 9 and the water brine heat exchanger 3. 14
Is an electromagnetic two-way valve, which is connected between the water line heat exchanger 3 and the electromagnetic three-way mixing valve 8. 15 is a header,
It is arranged in the heat storage tank 5 so as to be located underwater, and is connected between the water brine heat exchanger 3 and the electromagnetic two-way valve 14.
【0013】16は循環ポンプで、前記蓄熱槽5に接続
されている。17は電磁二方向弁で、前記循環ポンプ1
6の吐出側で分岐された配管の一方に接続されている。
18はヘッダで、前記蓄熱槽5内に配置され、前記電磁
二方向弁17に接続されている。19は電磁二方向弁
で、前記循環ポンプ16の吐出側で分岐された配管の他
方と前記水ポンプ9の吐出側の配管の間に接続されてい
る。A circulation pump 16 is connected to the heat storage tank 5. 17 is an electromagnetic two-way valve,
6 is connected to one of the branched pipes on the discharge side.
Reference numeral 18 denotes a header which is arranged in the heat storage tank 5 and connected to the electromagnetic two-way valve 17. Reference numeral 19 denotes an electromagnetic two-way valve, which is connected between the other of the pipes branched on the discharge side of the circulation pump 16 and the pipe on the discharge side of the water pump 9.
【0014】このような構成で、蓄熱時には、電磁二方
向弁2、19を閉め、電磁二方向弁4、17を開いた状
態で、熱源機1、ブラインポンプ7および循環ポンプ1
6を作動させる。With such a configuration, when storing heat, the two-way valves 2 and 19 are closed, and the two-way valves 4 and 17 are opened.
Activate 6.
【0015】すると、図2に実線で示すように、熱源機
1から吐出されたブラインは、電磁二方向弁4、蓄熱熱
交換器6を通り、蓄熱槽5内の水と熱交換された後ブラ
インポンプ7により熱源機1に戻される。このとき、熱
源機1から吐出されるブラインが冷熱であれば、蓄熱槽
5内の水を凍らせることができる。また、熱源機1から
吐出されるブラインが温熱であれば、蓄熱槽5内の水を
加熱することができる。Then, as shown by a solid line in FIG. 2, the brine discharged from the heat source unit 1 passes through the electromagnetic two-way valve 4 and the heat storage heat exchanger 6, and is subjected to heat exchange with water in the heat storage tank 5. It is returned to the heat source unit 1 by the brine pump 7. At this time, if the brine discharged from the heat source device 1 is cold, the water in the heat storage tank 5 can be frozen. If the brine discharged from the heat source unit 1 is hot, the water in the heat storage tank 5 can be heated.
【0016】一方、蓄熱槽5内の水は、蓄熱槽5の底部
から循環ポンプ16により汲み出され、電磁二方向弁1
7を通して蓄熱槽5の上部の水中に配置されたヘッダ1
8から蓄熱槽5内に吐出される。このようにして、蓄熱
槽5内の水を循環させることにより、蓄熱槽5内の水の
温度分布を均一にすることができる。On the other hand, the water in the heat storage tank 5 is pumped out from the bottom of the heat storage tank 5 by the circulation pump 16 and is supplied to the electromagnetic two-way valve 1.
The header 1 placed in the water above the heat storage tank 5 through 7
8 and discharged into the heat storage tank 5. Thus, by circulating the water in the heat storage tank 5, the temperature distribution of the water in the heat storage tank 5 can be made uniform.
【0017】冷暖房運転時には、電磁二方向弁4、19
を閉め、電磁二方向弁2、10、11、14、17、電
磁三方混合弁8を開き、熱源機1、ブラインポンプ7、
水ポンプ9および循環ポンプ16を作動させる。During the cooling / heating operation, the electromagnetic two-way valves 4, 19
And the electromagnetic two-way valves 2, 10, 11, 14, 17 and the electromagnetic three-way mixing valve 8 are opened, and the heat source unit 1, the brine pump 7,
The water pump 9 and the circulation pump 16 are operated.
【0018】すると、図3に実線で示すように、熱源機
1から吐出されたブラインは、水ーブライン熱交換器3
を通りブラインポンプ7により熱源機1に戻される。ま
た、循環ポンプ16により汲み出された水はヘッダ18
から蓄熱槽5に戻される。Then, as shown by a solid line in FIG. 3, the brine discharged from the heat source unit 1 is replaced by the water brine heat exchanger 3.
And is returned to the heat source device 1 by the brine pump 7. The water pumped by the circulation pump 16 is supplied to the header 18.
From the heat storage tank 5.
【0019】電磁二方向弁8を通して水ポンプ9で汲み
出された水は、電磁二方向弁10、11を通して室内ユ
ニット12、13に供給される。この室内ユニット1
2、13で室内空気と熱交換され室内の冷暖房を行う。
熱交換された水は、水ーブライン熱交換器3に流入し
て、熱源機1から水ーブライン熱交換器3に送り込まれ
たブラインとの間で熱交換され再び冷水もしくは温水と
なる。The water pumped by the water pump 9 through the electromagnetic two-way valve 8 is supplied to the indoor units 12 and 13 through the electromagnetic two-way valves 10 and 11. This indoor unit 1
Heat is exchanged with the room air in 2 and 13 to cool and heat the room.
The heat-exchanged water flows into the water brine heat exchanger 3 and exchanges heat with the brine sent from the heat source unit 1 to the water brine heat exchanger 3 to become cold water or hot water again.
【0020】水ーブライン熱交換器3で熱交換された水
の一部は、電磁三方混合弁8を通して蓄熱槽5から汲み
出された水と混合され再び室内ユニット12、13に送
られる。また、水ーブライン熱交換器3で熱交換された
水の他の一部は、蓄熱槽5内に送り込まれ、ヘッダ15
から蓄熱槽5内の水中に噴出される。A part of the water exchanged in the water line heat exchanger 3 is mixed with the water pumped out of the heat storage tank 5 through the electromagnetic three-way mixing valve 8 and sent to the indoor units 12 and 13 again. Another part of the water exchanged by the water brine heat exchanger 3 is sent into the heat storage tank 5 and the header 15.
Is ejected into the water in the heat storage tank 5.
【0021】前記のようにして、蓄熱および冷暖房運転
が行われるが、特に、暖房運転の開始時には、たとえ
ば、電磁二方向弁2、11、14、17と電磁三方混合
弁8を閉め、電磁二方向弁4、10、19を開き、熱源
機1、ブラインポンプ7および循環ポンプ16を作動さ
せる。As described above, the heat storage and the cooling / heating operation are performed. In particular, at the start of the heating operation, for example, the electromagnetic two-way valves 2, 11, 14, 17 and the electromagnetic three-way mixing valve 8 are closed, and the electromagnetic two-way mixing valve 8 is closed. The directional valves 4, 10, and 19 are opened, and the heat source unit 1, the brine pump 7, and the circulation pump 16 are operated.
【0022】すると、図4に実線で示すように、熱源機
1から吐出されたブラインは、電磁二方向弁4、蓄熱熱
交換器6を通り、蓄熱槽5内の水と熱交換された後ブラ
インポンプ7により熱源機1に戻される。また、循環ポ
ンプ16により汲み出された水は、電磁二方向弁19、
10を通り室内ユニット12に流入して、室内ユニット
12内を暖める。Then, as shown by a solid line in FIG. 4, the brine discharged from the heat source unit 1 passes through the electromagnetic two-way valve 4 and the heat storage heat exchanger 6 and is exchanged with water in the heat storage tank 5. It is returned to the heat source unit 1 by the brine pump 7. The water pumped by the circulation pump 16 is supplied to the electromagnetic two-way valve 19,
10 and flows into the indoor unit 12 to warm the interior of the indoor unit 12.
【0023】循環ポンプ16が作動を開始してから一定
時間経過した後、各電磁二方向弁2、4、10、11、
14、17、19、電磁三方混合弁8を図3の状態に切
り替えて、室内ユニット12の運転を開始する。After a lapse of a predetermined time from the start of operation of the circulation pump 16, each of the electromagnetic two-way valves 2, 4, 10, 11,
The operation of the indoor unit 12 is started by switching the three-way mixing valve 8 to the state shown in FIG.
【0024】一方、室内ユニット12を温めた水は、水
ーブライン熱交換器3に流入して、熱源機1から水ーブ
ライン熱交換器3に送り込まれたブラインとの間で熱交
換され再び温水となる。On the other hand, the water that has warmed the indoor unit 12 flows into the water brine heat exchanger 3, exchanges heat with the brine sent from the heat source unit 1 to the water brine heat exchanger 3, and returns to the hot water again. Become.
【0025】そして、水ーブライン熱交換器3で熱交換
された水の一部は、電磁三方混合弁8を通して蓄熱槽5
から汲み出された水と混合され再び室内ユニット12、
13に送られる。また、水ーブライン熱交換器3で熱交
換された水の他の一部は、蓄熱槽5内に送り込まれ、ヘ
ッダ15から蓄熱槽5内の水中に噴出される。Then, a part of the water exchanged in the water brine heat exchanger 3 is passed through the electromagnetic three-way mixing valve 8 to the heat storage tank 5.
Mixed with the water pumped from
13 is sent. Another part of the water that has been heat-exchanged in the water brine heat exchanger 3 is sent into the heat storage tank 5 and is ejected from the header 15 into the water in the heat storage tank 5.
【0026】このように、暖房運転開始時に循環ポンプ
16から吐出された温水を室内ユニット12に送り、室
内ユニット12内を暖めた後、室内ユニット12を作動
させることにより、暖房開始時に室内ユニット12から
冷風が吹き出されるのを防止して快適な暖房運転を行う
ことができる。As described above, the warm water discharged from the circulation pump 16 at the start of the heating operation is sent to the indoor unit 12, and after the interior of the indoor unit 12 is heated, the indoor unit 12 is operated. A comfortable heating operation can be performed by preventing cold air from being blown out from the air conditioner.
【0027】特に、タイマー設定などにより自動的に運
転を開始する場合、室内ユニットの運転開始より所定の
時間だけ早く予熱運転を開始することにより、より快適
な暖房環境を得ることができる。In particular, when the operation is automatically started by setting a timer or the like, a more comfortable heating environment can be obtained by starting the preheating operation a predetermined time earlier than the start of the operation of the indoor unit.
【0028】[0028]
【発明の効果】以上述べたごとく、本願発明によれば、
予熱が必要な負荷、たとえば、空気調和機の室内ユニッ
トの暖房運転開始時に、冷風の吹き出しを防止して、快
適な暖房運転を行うことができる。As described above, according to the present invention,
When a load requiring preheating, for example, when a heating operation of an indoor unit of an air conditioner is started, blowing of cool air can be prevented, and a comfortable heating operation can be performed.
【図1】本発明による外融式蓄熱槽を用いた蓄熱式空気
調和機の配管系統図。FIG. 1 is a piping diagram of a heat storage type air conditioner using an external fusion type heat storage tank according to the present invention.
【図2】図1に示す蓄熱式空気調和機における蓄熱時の
ブラインの流れを示す配管系統図。FIG. 2 is a piping diagram showing the flow of brine during heat storage in the heat storage type air conditioner shown in FIG.
【図3】図1に示す蓄熱式空気調和機における冷暖房運
転時のブラインおよび水の流れを示す配管系統図。FIG. 3 is a piping diagram showing flows of brine and water during a cooling and heating operation in the regenerative air conditioner shown in FIG. 1;
【図4】図1に示す蓄熱式空気調和機における暖房運転
開始時のブラインおよび水の流れを示す配管系統図。FIG. 4 is a piping diagram showing flows of brine and water at the start of a heating operation in the regenerative air conditioner shown in FIG.
1…熱源機、3…水ーブライン熱交換器、5…蓄熱槽、
6…蓄熱熱交換器、7…ブラインポンプ、2、4、1
0、11、14、17、19…電動二方向弁、12、1
3…室内ユニット、9…水ポンプ、16…循環ポンプ。1 ... heat source unit, 3 ... water brine heat exchanger, 5 ... heat storage tank,
6: heat storage heat exchanger, 7: brine pump, 2, 4, 1
0, 11, 14, 17, 19 ... Electric two-way valve, 12, 1
3 ... indoor unit, 9 ... water pump, 16 ... circulation pump.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 上倉 正教 静岡県清水市村松390番地株式会社日立空 調システム清水生産本部内 (72)発明者 金子 賢 静岡県清水市村松390番地日立清水エンジ ニアリング株式会社内 (72)発明者 太田原 信 静岡県清水市村松390番地日立清水エンジ ニアリング株式会社内 (72)発明者 青山 貢 静岡県清水市村松390番地株式会社日立空 調システム清水生産本部内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masanori Uekura 390 Muramatsu, Shimizu-shi, Shizuoka Pref.Hitachi Air Conditioning Systems Co., Ltd. In-company (72) Inventor Nobuo Otahara 390 Muramatsu, Shimizu-shi, Shizuoka Pref. Within Hitachi Shimizu Engineering Co., Ltd. (72) Inventor Mitsugu Aoyama 390 Muramatsu, Shimizu-shi, Shizuoka Pref.
Claims (2)
ン熱交換器と、蓄熱媒体としての水を蓄える蓄熱槽と、
前記熱源機に接続され、かつ、蓄熱槽内に配置された蓄
熱熱交換器と、前記熱源機と水ーブライン熱交換器の
間、および熱源機と蓄熱熱交換器の間でブラインを循環
させるブラインポンプと、それぞれ電動二方向弁を介し
て前記蓄熱槽に接続された複数の負荷設備と、前記蓄熱
槽内の水を前記蓄熱槽と負荷設備の間で循環させる水ポ
ンプと、前記蓄熱槽内の水を循環させる循環ポンプとを
設け、前記循環ポンプの吐出側の配管を分岐し、分岐さ
れた一方を前記を前記水ポンプと電動二方向弁との間に
接続したことを特徴とする外融式蓄熱槽。1. A heat source unit, a water brine heat exchanger connected to the heat source unit, and a heat storage tank for storing water as a heat storage medium.
A heat storage heat exchanger connected to the heat source unit and arranged in a heat storage tank; and a brine for circulating brine between the heat source unit and the water brine heat exchanger, and between the heat source unit and the heat storage heat exchanger. A pump, a plurality of load facilities each connected to the heat storage tank via an electric two-way valve, a water pump for circulating water in the heat storage tank between the heat storage tank and the load equipment, and a water pump in the heat storage tank. A circulating pump for circulating water is provided, a pipe on the discharge side of the circulating pump is branched, and one of the branches is connected between the water pump and the electric two-way valve. Melting heat storage tank.
ン熱交換器と、水を蓄える蓄熱槽と、前記熱源機に接続
され、かつ、蓄熱槽内に配置された蓄熱熱交換器と、前
記熱源機と水ーブライン熱交換器の間、および熱源機と
蓄熱熱交換器の間でブラインを循環させるブラインポン
プと、それぞれ電動二方向弁を介して前記蓄熱槽に接続
された複数の空気調和機の室内ユニットと、前記蓄熱槽
内の水を前記蓄熱槽と各室内ユニットの間で循環させる
水ポンプと、前記蓄熱槽内の水を循環させる循環ポンプ
とを設け、前記循環ポンプの吐出側の配管を分岐し、分
岐された一方を前記を前記水ポンプと電動二方向弁との
間に接続したことを特徴とする蓄熱式空気調和機。2. A heat source unit, a water brine heat exchanger connected to the heat source unit, a heat storage tank for storing water, and a heat storage heat exchanger connected to the heat source unit and arranged in the heat storage unit. A brine pump for circulating brine between the heat source unit and the water brine heat exchanger, and between the heat source unit and the heat storage heat exchanger, and a plurality of air respectively connected to the heat storage tank via an electric two-way valve. An indoor unit of the conditioner, a water pump that circulates water in the heat storage tank between the heat storage tank and each indoor unit, and a circulation pump that circulates water in the heat storage tank, and discharges the circulation pump. A regenerative air conditioner characterized by branching off the side pipe and connecting one of the branches between the water pump and the electric two-way valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP15201799A JP3867114B2 (en) | 1999-05-31 | 1999-05-31 | Outer fusion heat storage tank and heat storage air conditioner using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15201799A JP3867114B2 (en) | 1999-05-31 | 1999-05-31 | Outer fusion heat storage tank and heat storage air conditioner using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000346401A true JP2000346401A (en) | 2000-12-15 |
JP3867114B2 JP3867114B2 (en) | 2007-01-10 |
Family
ID=15531248
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Application Number | Title | Priority Date | Filing Date |
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JP15201799A Expired - Lifetime JP3867114B2 (en) | 1999-05-31 | 1999-05-31 | Outer fusion heat storage tank and heat storage air conditioner using the same |
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JP (1) | JP3867114B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002250547A (en) * | 2000-12-22 | 2002-09-06 | Sekisui Plant Systems Co Ltd | Ice storage device |
CN1892126B (en) * | 2005-07-06 | 2010-10-13 | 张跃 | Air-conditioner energy-accumulation control method |
KR101846291B1 (en) * | 2017-04-05 | 2018-04-10 | 주식회사 에너지뱅크 | cold water and hot water combined thermal storage system |
-
1999
- 1999-05-31 JP JP15201799A patent/JP3867114B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002250547A (en) * | 2000-12-22 | 2002-09-06 | Sekisui Plant Systems Co Ltd | Ice storage device |
CN1892126B (en) * | 2005-07-06 | 2010-10-13 | 张跃 | Air-conditioner energy-accumulation control method |
KR101846291B1 (en) * | 2017-04-05 | 2018-04-10 | 주식회사 에너지뱅크 | cold water and hot water combined thermal storage system |
Also Published As
Publication number | Publication date |
---|---|
JP3867114B2 (en) | 2007-01-10 |
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