JP2002257364A - Hot water supplying/heating system - Google Patents
Hot water supplying/heating systemInfo
- Publication number
- JP2002257364A JP2002257364A JP2001058587A JP2001058587A JP2002257364A JP 2002257364 A JP2002257364 A JP 2002257364A JP 2001058587 A JP2001058587 A JP 2001058587A JP 2001058587 A JP2001058587 A JP 2001058587A JP 2002257364 A JP2002257364 A JP 2002257364A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- hot water
- water storage
- heating
- circulation system
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ヒートポンプを
用いた暖房システムに関する。[0001] The present invention relates to a heating system using a heat pump.
【０００２】[0002]
【従来の技術】例えば、特開平９−１０１０５９号公報
には、貯湯槽の内部に熱源器と熱交換器を収容した給湯
暖房システムが記載されている。このシステムでは、貯
湯槽内の水が、熱源器で加温され、給湯に供される。ま
た、熱交換器で水から熱媒に熱が受け渡され、この熱媒
が暖房器に送られることにより、暖房が行われる。2. Description of the Related Art For example, Japanese Patent Application Laid-Open No. Hei 9-11059 describes a hot water supply / heating system in which a heat source unit and a heat exchanger are housed inside a hot water storage tank. In this system, water in a hot water storage tank is heated by a heat source and supplied to hot water. Further, heat is transferred from water to the heat medium in the heat exchanger, and the heat medium is sent to the heater to perform heating.
【０００３】[0003]
【発明が解決しようとする課題】上記従来のシステムで
は、暖房を継続して行うには、貯湯槽内の多量の水を熱
源器で加温し続けなければならず、効率が悪いという問
題があった。In the above conventional system, in order to continue heating, a large amount of water in the hot water tank must be continuously heated by a heat source, resulting in poor efficiency. there were.
【０００４】[0004]
【課題を解決するための手段】本発明は、上記問題を解
決するために提案されたものであり、その第１の特徴で
は、給湯暖房システムが、給湯用の水を貯える貯湯槽
と、この貯湯槽に水循環系を介して接続され、水を加温
する熱源器と、この熱源器に上記水循環系を介して接続
され、水から熱媒に熱を受け渡させる熱交換器と、この
熱交換器に熱媒循環系を介して接続され、上記熱媒から
熱を受け取る暖房器とを備えている。そして、上記暖房
器がオフの時に、上記熱源器を駆動しながら上記水循環
系により水を上記貯湯槽と上記熱源器との間で循環させ
る貯湯運転を実行する。上記暖房器がオンの時は、上記
熱源器を駆動しながら上記水循環系により水を上記熱源
器と上記熱交換器との間で循環させるとともに、上記熱
媒循環系により上記熱媒を上記熱交換器と上記暖房器と
の間で循環させる暖房運転を実行する。Means for Solving the Problems The present invention has been proposed to solve the above problems. In a first aspect, a hot water supply / heating system includes a hot water storage tank for storing hot water, and a hot water supply tank. A heat source connected to the hot water storage tank via a water circulation system for heating water; a heat exchanger connected to the heat source via the water circulation system for transferring heat from water to a heat medium; A heater connected to the exchanger via a heat medium circulation system and receiving heat from the heat medium. When the heater is off, a hot water storage operation is performed in which the water circulation system circulates water between the hot water storage tank and the heat source while driving the heat source. When the heater is on, water is circulated between the heat source unit and the heat exchanger by the water circulation system while driving the heat source unit, and the heat medium is circulated by the heat medium circulation system. A heating operation of circulating between the exchanger and the heater is performed.
【０００５】本発明の第２の特徴では、上記熱媒循環系
に接続されるとともに上記貯湯槽の上側部に収容され、
上記貯湯槽内の水から上記熱媒に採熱させる採熱器を、
さらに備えている。上記水循環系は、上記貯湯運転の実
行時に、水を上記貯湯槽の下側部から取り出して上記熱
源器に送るとともに上記貯湯槽の上側部に戻す。上記暖
房運転は、次のようにして実行される。すなわち、上記
熱媒循環系は、まず上記採熱器と上記暖房器との間で上
記熱媒を循環させる。その後に、上記第１の特徴の通
り、上記熱交換器と上記暖房器との間で上記熱媒を循環
させる。According to a second feature of the present invention, the heating medium is connected to the heat medium circulating system and housed in an upper portion of the hot water tank.
A heat collector that collects heat from the water in the hot water tank into the heat medium,
In addition. The water circulation system takes out water from the lower part of the hot water tank and sends it to the heat source device and returns the water to the upper part of the hot water tank when the hot water storage operation is performed. The heating operation is performed as follows. That is, the heat medium circulation system first circulates the heat medium between the heat collector and the heater. Thereafter, as in the first aspect, the heat medium is circulated between the heat exchanger and the heater.
【０００６】本発明の第３の特徴では、上記第１又は第
２の特徴において、上記熱媒循環系に接続され、太陽熱
を集熱して上記熱媒に与える集熱器と、上記熱媒循環系
に接続されるとともに上記貯湯槽の下側部に収容され、
上記熱媒から水に放熱させる放熱器と、上記熱媒循環系
に対して貯湯主体モードと暖房貯湯モードの一方を指定
する指定手段とを、さらに備えている。上記貯湯主体モ
ードでは、太陽熱を集熱可能な時に、上記熱媒循環系に
より上記集熱器と上記放熱器との間で上記熱媒を循環さ
せる。上記暖房貯湯モードでは、上記暖房運転の停止時
であって太陽熱を集熱可能な時に、上記熱媒循環系によ
り上記集熱器、上記暖房器、及び上記放熱器の順に上記
熱媒を循環させる。In a third aspect of the present invention, in the first or second aspect, a heat collector connected to the heat medium circulating system to collect solar heat and provide the heat medium to the heat medium is provided. Connected to the system and housed in the lower part of the hot water tank,
The heat medium further includes a radiator for radiating heat from the heat medium to water, and a designating means for designating one of a hot water storage main mode and a heating hot water storage mode for the heat medium circulation system. In the hot water storage main mode, when solar heat can be collected, the heat medium is circulated between the heat collector and the radiator by the heat medium circulation system. In the heating hot water storage mode, when the heating operation is stopped and solar heat can be collected, the heat medium is circulated by the heat medium circulating system in the order of the heat collector, the heater, and the radiator. .
【０００７】本発明の第４の特徴では、上記第１〜第３
の特徴の何れかにおいて、上記熱源器が、冷媒を超臨界
領域で凝縮させ、その放熱により水を加温するヒートポ
ンプで構成されている。According to a fourth feature of the present invention, the first to third features are provided.
In any one of the above features, the heat source device is constituted by a heat pump that condenses a refrigerant in a supercritical region and heats water by radiating the heat.
【０００８】本発明の第５の特徴では、上記第１〜第３
の特徴の何れかにおいて、上記熱源器が、上記水循環系
の流れ方向に沿って順次設けられたヒートポンプと補助
ヒータとで構成されている。According to a fifth feature of the present invention, the first to third aspects are described.
In any of the features described above, the heat source device is constituted by a heat pump and an auxiliary heater sequentially provided along a flow direction of the water circulation system.
【０００９】本発明の第６の特徴では、上記第１〜第５
の特徴の何れかにおいて、上記水循環系が、上記貯湯運
転を実行する際、水をまず上記熱源器と上記熱交換器と
の間で循環させた後、上記熱源器と上記貯湯槽との間で
循環させる。According to a sixth feature of the present invention, the first to fifth aspects described above.
In any of the above features, the water circulation system, when performing the hot water storage operation, after first circulating water between the heat source device and the heat exchanger, between the heat source device and the hot water storage tank To circulate.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施形態を、図面
を参照して説明する。図１は、本発明の第１実施形態に
係る給湯暖房システムＳ１を示したものである。このシ
ステムＳ１は、貯湯槽１０と、この貯湯槽１０の外部に
配されたヒートポンプ２０（熱源器）と、室内の床に設
置された床暖房パネル３０（暖房器）とを備えている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a hot water supply / room heating system S1 according to a first embodiment of the present invention. The system S1 includes a hot water storage tank 10, a heat pump 20 (heat source device) disposed outside the hot water storage tank 10, and a floor heating panel 30 (heater) installed on a floor in a room.
【００１１】貯湯槽１０の下側部に給水管１１が連なっ
ている。この給水管１１から供給された水で貯湯槽１０
内が満たされている。後述するように、この槽１０内の
水、特に槽１０の上側部の水は、ヒートポンプ２０によ
って約９０℃の熱湯にされている。A water supply pipe 11 is connected to a lower part of the hot water storage tank 10. The hot water storage tank 10 is filled with water supplied from the water supply pipe 11.
Inside is filled. As will be described later, the water in the tank 10, particularly the water in the upper part of the tank 10, is turned into hot water of about 90 ° C. by the heat pump 20.
【００１２】ヒートポンプ２０は、例えば二酸化炭素か
らなる冷媒を循環させながら、蒸発と凝縮を反復させる
ようになっている。冷媒は、蒸発時に外気から採熱し、
凝縮時にヒートポンプ２０内の受熱路２１へ放熱する。
なお、二酸化炭素は臨界温度が低い（約３０℃）ので、
超臨界領域で凝縮する。The heat pump 20 repeats evaporation and condensation while circulating a refrigerant made of, for example, carbon dioxide. The refrigerant takes heat from outside air during evaporation,
At the time of condensation, heat is radiated to the heat receiving path 21 in the heat pump 20.
Since carbon dioxide has a low critical temperature (about 30 ° C),
Condenses in the supercritical region.
【００１３】貯湯槽１０とヒートポンプ２０とは、水循
環系４０により接続されている。水循環系４０は、往路
４１と復路４２を有している。往路４１は、貯湯槽１０
の下端（下側部）から延び、ヒートポンプ２０の受熱路
２１の上流端に連なっている。復路４２は、受熱路２１
の下流端から延び、貯湯槽１０の上端（上側部）に連な
っている。The hot water storage tank 10 and the heat pump 20 are connected by a water circulation system 40. The water circulation system 40 has a forward path 41 and a return path 42. Outbound path 41 is hot water tank 10
And extends from the lower end (lower side) of the heat pump 20 to the upstream end of the heat receiving path 21 of the heat pump 20. The return path 42 is the heat receiving path 21
And extends from the downstream end of the hot water storage tank 10 to the upper end (upper part).
【００１４】これら往復路４１，４２は、後述する熱交
換器５０の伝熱管５１によって短絡されている。往路４
１と伝熱管５１との接続部には、電磁三方弁４４が設け
られており、この電磁三方弁４４を境に、往路４１が、
貯湯槽１０側の往路部４１ａとヒートポンプ２０側の往
路部４１ｂとに分かれている。ヒートポンプ側往路部４
１ｂに、水循環ポンプ４３が設けられている。The reciprocating paths 41 and 42 are short-circuited by a heat transfer tube 51 of a heat exchanger 50 described later. Outbound 4
An electromagnetic three-way valve 44 is provided at the connection between the first heat transfer tube 51 and the heat transfer tube 51.
It is divided into a forward path 41a on the hot water storage tank 10 side and a forward path 41b on the heat pump 20 side. Heat pump side outward section 4
1b, a water circulation pump 43 is provided.
【００１５】電磁三方弁４４は、例えばソレノイドオフ
のとき、往路部４１ａ，４１ｂどうしを連通させるとと
もに、伝熱管５１を遮断するようになっている。これに
よって、貯湯槽１０、往路４１、受熱路２１、復路４２
の順に結ぶ水の循環回路が形成されるようになってい
る。また、電磁三方弁４４は、ソレノイドオンのとき、
伝熱管５１とヒートポンプ側往路部４１ｂとを連通させ
るとともに、貯湯槽側往路部４１ａを遮断するようにな
っている。これによって、伝熱管５１、往路部４１ｂ、
受熱路２１、伝熱管５１よりヒートポンプ２０側の復路
４２（ヒートポンプ側復路部４２ａ）の順に結ぶ水の循
環回路が形成されるようになっている。When the solenoid is off, the electromagnetic three-way valve 44 connects the outward passages 41a and 41b and shuts off the heat transfer tube 51. As a result, the hot water storage tank 10, the outward path 41, the heat receiving path 21, and the return path 42
The water circulation circuit connected in the order of is formed. When the solenoid three-way valve 44 is turned on,
The heat transfer tube 51 communicates with the heat pump side outward path portion 41b, and the hot water storage tank side outward path portion 41a is shut off. Thereby, the heat transfer tube 51, the outward path portion 41b,
A water circulation circuit is formed that connects the heat receiving path 21 and the return path 42 (heat pump side return path section 42a) on the heat pump 20 side from the heat transfer pipe 51 in this order.
【００１６】熱交換器５０は、水を通す上記伝熱管５１
と、例えばプロピレングリコールからなる熱媒を通す伝
熱管５２とを有している。この熱交換器５０と上記床暖
房パネル３０とが、熱媒循環系６０を介して接続されて
いる。The heat exchanger 50 is provided with the heat transfer tubes 51 through which water passes.
And a heat transfer tube 52 through which a heat medium made of, for example, propylene glycol passes. The heat exchanger 50 and the floor heating panel 30 are connected via a heat medium circulation system 60.
【００１７】熱媒循環系６０は、床暖房パネル３０内の
放熱路３１の下流端から延びて伝熱管５２の上流端に連
なる熱媒通路６１と、伝熱管５２の下流端から延びて放
熱路３１の上流端に連なる熱媒通路６２とを有してい
る。通路６１に、熱媒循環ポンプ６３が設けられてい
る。The heat medium circulation system 60 extends from the downstream end of the heat radiating passage 31 in the floor heating panel 30 and continues to the upstream end of the heat transfer tube 52, and extends from the downstream end of the heat transfer tube 52 to the heat radiating passage 31 has a heat medium passage 62 connected to the upstream end. A heat medium circulation pump 63 is provided in the passage 61.
【００１８】さらに、給湯暖房システムＳ１には、コン
トローラ７０（制御手段）が備えられている。コントロ
ーラ７０は、ヒートポンプ２０や循環系４０，６０の循
環ポンプ４３，６３、電磁三方弁４４などを制御するこ
とにより、貯湯運転と暖房運転を実行する。以下、コン
トローラ７０の制御内容を説明する。Further, the hot water supply / room heating system S1 is provided with a controller 70 (control means). The controller 70 executes the hot water storage operation and the heating operation by controlling the heat pump 20, the circulation pumps 43 and 63 of the circulation systems 40 and 60, the electromagnetic three-way valve 44, and the like. Hereinafter, the control contents of the controller 70 will be described.
【００１９】貯湯運転は、床暖房パネル３０がオフの時
に適宜実行される。コントローラ７０は、ヒートポンプ
１０と水循環ポンプ４３を駆動するとともに、電磁三方
弁４４により往路４１ａ，４１ｂを連通させる。これに
よって、貯湯槽１０とヒートポンプ２０との間で水が循
環される。すなわち、貯湯槽１０の下側部の水が、往路
４１を経て受熱路２１に導かれ、ヒートポンプ２０の冷
媒から熱を受け取る。冷媒は超臨界状態で放熱するの
で、受熱路２１通過後の水を約９０℃の熱湯にすること
ができる。この熱湯が、復路４２を経て貯湯槽１０の上
側部に戻され、貯えられる。この熱湯を、貯湯槽１０の
上側部から延びる給湯管１２を介して給湯に供すること
ができる。The hot water storage operation is appropriately executed when the floor heating panel 30 is off. The controller 70 drives the heat pump 10 and the water circulation pump 43, and makes the outward routes 41 a and 41 b communicate with each other by the electromagnetic three-way valve 44. Thereby, water is circulated between the hot water storage tank 10 and the heat pump 20. That is, the water on the lower side of the hot water storage tank 10 is guided to the heat receiving path 21 via the outward path 41 and receives heat from the refrigerant of the heat pump 20. Since the refrigerant radiates heat in a supercritical state, water after passing through the heat receiving path 21 can be turned into hot water of about 90 ° C. This hot water is returned to the upper portion of the hot water storage tank 10 via the return path 42 and stored. This hot water can be supplied to the hot water via a hot water supply pipe 12 extending from an upper portion of the hot water storage tank 10.
【００２０】上記貯湯運転は、主に深夜（例えば午前１
時〜午前５時）に実行するのが望ましい。これによっ
て、ヒートポンプ２０の電力使用量を低減できる。The hot water storage operation is mainly performed at midnight (for example,
Hour to 5:00 am). Thereby, the power consumption of the heat pump 20 can be reduced.
【００２１】居住者のリモコン操作やタイマ予約などに
より床暖房パネル３０がオンされると、コントローラ７
０は、暖房運転を実行する。すなわち、ヒートポンプ２
０と循環ポンプ４３を駆動するとともに、電磁三方弁４
４により伝熱管５１と往路部４１ｂを連通させる。これ
によって、水が、往路部４１ｂ、受熱路２１、復路部４
２ａ、伝熱管５１の順に循環される（ヒートポンプ２０
と熱交換器５０との間で循環される）。この水が受熱路
２１を通過する過程でヒートポンプ２０により加温され
る。When the floor heating panel 30 is turned on by the resident's remote control operation or timer reservation, the controller 7 is turned on.
0 executes the heating operation. That is, heat pump 2
0 and the circulation pump 43, and the three-way solenoid valve 4
4 allows the heat transfer tube 51 to communicate with the outward path portion 41b. As a result, the water flows in the outward path 41b, the heat receiving path 21, and the return path 4
2a and the heat transfer tube 51 are circulated in this order (the heat pump 20
And heat exchanger 50). This water is heated by the heat pump 20 while passing through the heat receiving path 21.
【００２２】また、コントローラ７０は、循環ポンプ６
３を駆動する。これによって、熱媒が、通路６１、伝熱
管５２、通路６２、放熱路３１の順に循環される（熱交
換器と床暖房パネル３０との間で循環される）。そし
て、熱交換器５０において、伝熱管５１を通過中の水か
ら伝熱管５２を通過中の熱媒に熱が受け渡される。この
熱媒が、放熱路３１を通過する過程で床暖房パネル３０
に放熱する。これによって、床暖房を行うことができ
る。The controller 70 is provided with the circulation pump 6
3 is driven. Thus, the heat medium is circulated in the order of the passage 61, the heat transfer tube 52, the passage 62, and the heat radiating passage 31 (circulated between the heat exchanger and the floor heating panel 30). Then, in the heat exchanger 50, heat is transferred from the water passing through the heat transfer tubes 51 to the heat medium passing through the heat transfer tubes 52. In the process of passing this heat medium through the heat radiation path 31, the floor heating panel 30
Dissipate heat. Thereby, floor heating can be performed.
【００２３】上述したように、ヒートポンプ２０は、出
口（受熱路２１の下流端）での水温を約９０℃まで高め
ることができるので、熱交換器５０において、熱媒を例
えば８０℃程度まで加温できる。これによって、床の温
度を短時間で所望のレベルまで立ち上げることができ
る。その後もヒートポンプ２０の小さな出力で快適な暖
房状態を十分に維持可能であり、上記従来システムのよ
うに貯湯槽１０内の多量の水を加温し続ける必要はな
い。As described above, the heat pump 20 can increase the water temperature at the outlet (downstream end of the heat receiving path 21) to about 90 ° C. You can warm up. Thereby, the temperature of the floor can be raised to a desired level in a short time. Thereafter, a comfortable heating state can be sufficiently maintained with a small output of the heat pump 20, and there is no need to continuously heat a large amount of water in the hot water storage tank 10 unlike the conventional system.
【００２４】なお、上記貯湯運転に際して、まず電磁三
方弁４４で伝熱管５１と往路部４１ｂを連通させ、水を
ヒートポンプ２０と熱交換器５０との間で数十秒〜数分
程度循環させ、そのうえで、電磁三方弁４４で往路部４
１ａ，４１ｂを連通させ、ヒートポンプ２０と貯湯槽１
０との間で循環させるようにしてもよい。これによっ
て、熱交換器５０の伝熱管５１に水が長時間滞留するの
を防止でき、衛生を保つことができる。In the hot water storage operation, first, the heat transfer tube 51 and the outward path portion 41b are communicated with each other by the electromagnetic three-way valve 44, and water is circulated between the heat pump 20 and the heat exchanger 50 for several tens seconds to several minutes. Then, the forward path 4 is controlled by the electromagnetic three-way valve 44.
1a, 41b, and heat pump 20 and hot water tank 1
It may be circulated between zero. Thereby, water can be prevented from staying in the heat transfer tube 51 of the heat exchanger 50 for a long time, and hygiene can be maintained.
【００２５】次に、本発明の他の実施形態を説明する。
以下の実施形態において、既述の実施形態と重複する構
成に関しては、図面に同一符号を付して説明を省略す
る。図２は、本発明の第２実施形態に係る給湯暖房シス
テムＳ２を示したものである。このシステムＳ２のヒー
トポンプ２０’は、未臨界領域で凝縮を行う物質（例え
ばフロンや代替フロンなど）を冷媒にしている。また、
ヒートポンプ側復路部４２ａには、電熱式の補助ヒータ
２２が設けられている。これによって、熱媒を、ヒート
ポンプ２０’である程度（例えば６０℃）まで加温した
後、さらに補助ヒータ２２によって所望温度（例えば９
０℃）まで加温することができ、ヒートポンプ２０の負
担を軽減できる。これらヒートポンプ２０’と補助ヒー
タ２２とによって特許請求の範囲の「熱源器」が構成さ
れている。Next, another embodiment of the present invention will be described.
In the following embodiments, configurations that are the same as those in the above-described embodiments will be denoted by the same reference numerals in the drawings, and description thereof will be omitted. FIG. 2 shows a hot water supply / room heating system S2 according to a second embodiment of the present invention. The heat pump 20 ′ of the system S2 uses a substance that condenses in the subcritical region (for example, chlorofluorocarbon or alternative chlorofluorocarbon) as a refrigerant. Also,
The heat pump side return path section 42a is provided with an electrothermal auxiliary heater 22. Thus, after the heat medium is heated to a certain degree (for example, 60 ° C.) by the heat pump 20 ′, the heat medium is further heated by the auxiliary heater 22 to a desired temperature (for example, 9 ° C.).
0 ° C.), and the load on the heat pump 20 can be reduced. The heat pump 20 ′ and the auxiliary heater 22 constitute a “heat source device” in the claims.
【００２６】図３は、本発明の第３実施形態に係る給湯
暖房システムＳ３を示したものである。このシステムＳ
３では、貯湯槽１０の上側部に、伝熱管からなる採熱器
１３が収容されている。採熱器１３の両端は、熱媒循環
系６０の熱媒通路６４，６５に連ねられている。FIG. 3 shows a hot water supply / room heating system S3 according to a third embodiment of the present invention. This system S
In 3, the upper part of the hot water storage tank 10 accommodates a heat collector 13 composed of a heat transfer tube. Both ends of the heat collector 13 are connected to heat medium passages 64 and 65 of the heat medium circulation system 60.
【００２７】採熱器１３の上流端に連なる通路６４は、
ポンプ６３より下流の通路６１から分岐されている。こ
の分岐部を境に、通路６１は、床暖房パネル３０側の通
路部６１ａと、熱交換器５０側の通路部６１ｂとに分か
れている。The passage 64 connected to the upstream end of the heat collector 13 is
It is branched from a passage 61 downstream of the pump 63. At the branch, the passage 61 is divided into a passage 61a on the floor heating panel 30 side and a passage 61b on the heat exchanger 50 side.
【００２８】採熱器１３の下流端に連なる通路６５は、
電磁三方弁６６を介して熱媒通路６２に接続されてい
る。熱媒通路６２は、電磁三方弁６６を境に、熱交換器
５０側の通路部６２ａと、床暖房パネル３０側の通路部
６２ｂとに分かれている。The passage 65 connected to the downstream end of the heat collector 13 is
The heating medium passage 62 is connected via an electromagnetic three-way valve 66. The heat medium passage 62 is divided into a passage portion 62a on the heat exchanger 50 side and a passage portion 62b on the floor heating panel 30 side with the electromagnetic three-way valve 66 as a boundary.
【００２９】電磁三方弁６６は、例えばソレノイドオフ
のとき、通路部６２ａ，６２ｂどうしを連通させるとと
もに、通路６５を遮断するようになっている。これによ
って、通路部６１ａ，６１ｂ、伝熱管５２、通路部６２
ａ，６２ｂ、放熱路３１の順に（熱交換器５０と床暖房
パネル３０の間で）熱媒が循環する循環回路が形成され
るようになっている。また、電磁三方弁６６は、ソレノ
イドオンのとき、通路６５とパネル側通路部６２ｂとを
連通させるとともに、熱交換器側通路部６２ａを遮断す
るようになっている。これによって、通路部６１ａ、通
路６４、採熱器１３、通路６５、通路部６２ｂ、放熱路
３１の順に（採熱器１３と床暖房パネル３０の間で）熱
媒が循環する循環回路が形成されるようになっている。When the solenoid is turned off, the electromagnetic three-way valve 66 connects the passages 62a and 62b to each other and shuts off the passage 65. Thus, the passage portions 61a and 61b, the heat transfer tube 52, and the passage portion 62
a, 62b, and the heat radiating path 31 (between the heat exchanger 50 and the floor heating panel 30) in order to form a circulation circuit in which the heat medium circulates. When the solenoid is turned on, the electromagnetic three-way valve 66 connects the passage 65 with the panel-side passage 62b and shuts off the heat exchanger-side passage 62a. Thereby, a circulation circuit is formed in which the heat medium circulates in the order of the passage 61a, the passage 64, the heat collector 13, the passage 65, the passage 62b, and the heat radiation passage 31 (between the heat collector 13 and the floor heating panel 30). Is to be done.
【００３０】システムＳ３のコントローラ７０は、暖房
運転の際、先ず、熱媒循環ポンプ６３を駆動するととも
に、電磁三方弁６６により通路６５と通路部６２ｂを連
通させる。これによって、熱媒が、採熱器１３と床暖房
パネル３０との間で循環される。この熱媒が、採熱器１
３を通過する過程で、貯湯槽１０の上側部の熱湯から多
量の熱を受け取ることができる。これによって、放熱路
３１から多量の放熱を行うことができる。この結果、床
の温度をより一層短時間で所望のレベルまで立ち上げる
ことができる。At the time of the heating operation, the controller 70 of the system S3 first drives the heat medium circulation pump 63 and connects the passage 65 and the passage portion 62b by the electromagnetic three-way valve 66. Thus, the heat medium is circulated between the heat collector 13 and the floor heating panel 30. This heat medium is the heat collector 1
In the process of passing through the hot water tank 3, a large amount of heat can be received from the hot water in the upper part of the hot water storage tank 10. Thereby, a large amount of heat can be radiated from the heat radiating path 31. As a result, the bed temperature can be raised to a desired level in a shorter time.
【００３１】暖房開始から所定の時間（例えば５分〜３
０分）が経過した後、又は、床暖房パネル３０の出口
（放熱路３１の下流端）での熱媒温度が所定（例えば５
０℃）に達した後、コントローラ７０は、電磁三方弁６
６により通路部６２ａ，６２ｂを連通させる。これによ
って、熱媒が、熱交換器５０と床暖房パネル３０との間
で循環される。これに併せて、コントローラ７０は、水
循環系４０の電磁三方弁４４により伝熱管５１と往路部
４１ｂを連通させるとともに、ヒートポンプ２０と水循
環ポンプ４３を駆動する。これによって、水が、ヒート
ポンプ２０と熱交換器５０との間で循環される。よっ
て、上記第１実施形態で述べたのと同様に、ヒートポン
プ２０の小さな出力により快適な暖房状態を効率的に維
持することができる。A predetermined time from the start of heating (for example, 5 minutes to 3 minutes)
0 minutes), or the temperature of the heat medium at the outlet of the floor heating panel 30 (downstream end of the heat radiation path 31) is predetermined (for example, 5 minutes).
0 ° C.), the controller 70 operates the electromagnetic three-way valve 6
6 allows the passage portions 62a and 62b to communicate with each other. Thus, the heat medium is circulated between the heat exchanger 50 and the floor heating panel 30. At the same time, the controller 70 makes the heat transfer tube 51 communicate with the outward path 41 b by the electromagnetic three-way valve 44 of the water circulation system 40, and drives the heat pump 20 and the water circulation pump 43. Thereby, water is circulated between the heat pump 20 and the heat exchanger 50. Therefore, as described in the first embodiment, a comfortable heating state can be efficiently maintained by the small output of the heat pump 20.
【００３２】図４は、本発明の第４実施形態に係る給湯
暖房システムＳ４を示したものである。このシステムＳ
４は、上記第３実施形態のシステムＳ３に、太陽熱集熱
器８０と太陽熱放熱器１４が付加されている。集熱器８
０は、屋根などの屋外に設置され、太陽熱を集熱して熱
媒に与える。放熱器１４は、伝熱管にて構成され、貯湯
槽１０の下側部に収容されている。FIG. 4 shows a hot water supply / room heating system S4 according to a fourth embodiment of the present invention. This system S
In the fourth embodiment, a solar heat collector 80 and a solar heat radiator 14 are added to the system S3 of the third embodiment. Collector 8
Numeral 0 is installed outdoors such as a roof, and collects solar heat and gives it to a heat medium. The radiator 14 is constituted by a heat transfer tube, and is accommodated in a lower portion of the hot water storage tank 10.
【００３３】これら集熱器８０と放熱器１４は、熱媒循
環系６０を介して接続されている。すなわち、熱媒循環
系６０は、集熱器８０の下流端から延びて放熱器１４の
上流端に連なる熱媒通路９１と、放熱器１４の下流端か
ら延びて集熱器８０の上流端に連なる熱媒通路９２とを
含んでいる。通路９２には、熱媒循環ポンプ９３が設け
られている。The heat collector 80 and the radiator 14 are connected via a heat medium circulation system 60. That is, the heat medium circulation system 60 extends from the downstream end of the heat collector 80 and continues to the upstream end of the radiator 14, and extends from the downstream end of the radiator 14 to the upstream end of the heat collector 80. And a continuous heat medium passage 92. A heat medium circulation pump 93 is provided in the passage 92.
【００３４】熱媒通路９１の中途部から熱媒通路９４が
分岐して延びている。通路９４の下流端は、電磁三方弁
９７を介して通路部６２ｂに接続されている。通路部６
２ｂは、弁９７を挟んで床暖房パネル３０側の通路部分
６２ｄと、その反対側の通路部分６２ｃとに分かれてい
る。A heat medium passage 94 branches and extends from a middle part of the heat medium passage 91. The downstream end of the passage 94 is connected to the passage 62b via an electromagnetic three-way valve 97. Passage 6
2b is divided into a passage portion 62d on the floor heating panel 30 side with the valve 97 interposed therebetween and a passage portion 62c on the opposite side.
【００３５】さらに、床暖房パネル３０の下流側の通路
部６１ａには、ポンプ６３よりパネル３０側から熱媒通
路９５が分岐して延びている。この分岐部を境に、通路
部６１ａは、パネル３０側の通路部分６１ｃと、ポンプ
６３を含む通路部分６１ｄとに分かれている。Further, a heat medium passage 95 branches off from the panel 30 side of the pump 63 and extends into the passage portion 61a on the downstream side of the floor heating panel 30. With the branch portion as a boundary, the passage portion 61a is divided into a passage portion 61c on the panel 30 side and a passage portion 61d including the pump 63.
【００３６】熱媒通路９５の下流端は、電磁三方弁９８
を介して、通路９４との分岐部より下流の熱媒通路９１
に接続されている。この接続部（弁９８）より下流の熱
媒通路９１には、電磁三方弁９９が設けられており、こ
の弁９９から短絡通路９６が延びて、ポンプ９３より貯
湯槽１０側の熱媒通路９２に連なっている。The downstream end of the heat medium passage 95 is connected to an electromagnetic three-way valve 98.
Through the heat medium passage 91 downstream of the branch point with the passage 94
It is connected to the. An electromagnetic three-way valve 99 is provided in the heat medium passage 91 downstream of the connection portion (valve 98). It is connected to.
【００３７】熱媒通路９１は、集熱器８０と通路９４間
の通路部９１ａと、通路９４と弁９８間の通路部９１ｂ
と、弁９８，９９間の通路部９１ｃと、弁９９と貯湯槽
１０間の通路部９１ｄとに分けられている。The heat medium passage 91 includes a passage portion 91a between the heat collector 80 and the passage 94, and a passage portion 91b between the passage 94 and the valve 98.
And a passage portion 91c between the valves 98 and 99, and a passage portion 91d between the valve 99 and the hot water storage tank 10.
【００３８】電磁三方弁９７は、例えばソレノイドオフ
のとき、通路部分６２ｃ，６２ｄどうしを連通するとと
もに、通路９４を遮断するようになっている。また、ソ
レノイドオンのとき、通路９４と通路部分６２ｄを連通
するとともに、通路部分６２ｃを遮断するようになって
いる。When the solenoid is off, the electromagnetic three-way valve 97 connects the passage portions 62c and 62d to each other and shuts off the passage 94. When the solenoid is on, the passage 94 communicates with the passage portion 62d, and the passage portion 62c is shut off.
【００３９】電磁三方弁９８は、例えばソレノイドオフ
のとき、通路部９１ｂ，９１ｃどうしを連通するととも
に、通路９５を遮断するようになっている。また、ソレ
ノイドオンのとき、通路９５と通路部９１ｃを連通する
とともに、通路部９１ｂを遮断するようになっている。When the solenoid is turned off, the electromagnetic three-way valve 98 connects the passages 91b and 91c to each other and shuts off the passage 95. When the solenoid is turned on, the passage 95 communicates with the passage 91c and shuts off the passage 91b.
【００４０】電磁三方弁９９は、例えばソレノイドオフ
のとき、通路部９１ｃ，９１ｄどうしを連通するととも
に、通路９６を遮断するようになっている。また、ソレ
ノイドオンのとき、通路部９１ｄを遮断するとともに、
通路部９１ｃと通路９６を連通し、ひいては通路９１，
９２どうしを通路９６を介して短絡するようになってい
る。For example, when the solenoid is off, the electromagnetic three-way valve 99 connects the passage portions 91c and 91d and shuts off the passage 96. When the solenoid is on, the passage 91d is shut off,
The passage portion 91c communicates with the passage 96, and thus the passage 91,
The short circuits 92 are short-circuited through the passage 96.
【００４１】システムＳ４のコントローラ７０には、モ
ード指定スイッチ７１（指定手段）が接続されている。
居住者は、このスイッチ７１により、熱媒循環系６０に
対して貯湯主体モードと暖房貯湯モードの一方を指定で
きるようになっている。A mode designating switch 71 (designating means) is connected to the controller 70 of the system S4.
With this switch 71, the resident can designate one of the hot water storage main mode and the heating hot water storage mode for the heat medium circulation system 60.
【００４２】すなわち、春〜秋などの暖房が不要な季節
には、貯湯主体モードを指定しておく。このモードで
は、晴天の日中などのように、集熱器８０が太陽熱を十
分集熱できる時、具体的には、温度センサ７２による集
熱器８０の出口での熱媒温度が、温度センサ７４による
貯湯槽１０の放熱器１４周辺での水温より十分（例えば
５℃〜１０℃以上）高くなった時、コントローラ７０
が、電磁三方弁９８，９９により通路部９１ｂ〜９１ｄ
を連通させるとともに、熱媒循環ポンプ９３を駆動する
ことにより、太陽熱利用貯湯運転を実行する。これによ
って、熱媒が、集熱器８０、通路９１、放熱器１４、通
路９２の順に循環される（集熱器８０と放熱器１４との
間で循環される）。この熱媒が、集熱器８０で太陽熱を
受け取り、放熱器１４で放熱する。これによって、貯湯
槽１０内の水を加温することができる。That is, in the season when heating is not required, such as spring to autumn, the hot water storage main mode is designated. In this mode, when the heat collector 80 can sufficiently collect the solar heat, such as during a sunny day, specifically, the temperature of the heat medium at the outlet of the heat collector 80 by the temperature sensor 72 is increased by the temperature sensor. When the temperature becomes sufficiently higher (for example, 5 ° C. to 10 ° C. or more) than the water temperature around the radiator 14 of the hot water storage tank 10 by the controller 74,
However, passage portions 91b to 91d are provided by electromagnetic three-way valves 98 and 99.
And the heat medium circulation pump 93 is driven to execute the solar hot water storage operation. Thereby, the heat medium is circulated in the order of the heat collector 80, the passage 91, the radiator 14, and the passage 92 (circulated between the heat collector 80 and the radiator 14). The heat medium receives the solar heat in the heat collector 80 and radiates the heat in the radiator 14. Thereby, the water in the hot water storage tank 10 can be heated.
【００４３】なお、貯湯主体モードにおいても、床暖房
パネル３０がオンされると、上記第３実施形態のシステ
ムＳ３と同様の暖房運転が実行される。太陽熱利用貯湯
運転を実行中に、床暖房パネル３０がオンされた場合に
は、太陽熱利用貯湯運転と暖房運転とが併行して行われ
ることになる。In the hot water storage mode, when the floor heating panel 30 is turned on, a heating operation similar to that of the system S3 of the third embodiment is performed. If the floor heating panel 30 is turned on during execution of the solar hot water storage operation, the solar hot water storage operation and the heating operation are performed in parallel.
【００４４】冬季になると、スイッチ７１によって暖房
貯湯モードを指定しておく。このモードでは、晴天の日
中（太陽熱を十分集熱可能な時、具体的には、集熱器８
０出口での熱媒温度が、温度センサ７３による床暖房パ
ネル３０出口での熱媒温度や貯湯槽１０の放熱器１４周
辺での水温より十分高い時）になると、コントローラ７
０が、太陽熱利用暖房貯湯運転を実行する。すなわち、
弁９７により通路９４と通路部分６２ｄを連通させ、弁
９８により通路９５と通路部９１ｃを連通させ、弁９９
により通路部９１ｃ，９１ｄを連通させ、さらに熱媒循
環ポンプ９３を駆動する。In the winter season, the heating hot water storage mode is designated by the switch 71. In this mode, during sunny days (when solar heat can be sufficiently collected,
When the temperature of the heat medium at the exit 0 becomes sufficiently higher than the temperature of the heat medium at the exit of the floor heating panel 30 by the temperature sensor 73 or the water temperature around the radiator 14 of the hot water storage tank 10, the controller 7
0 executes the solar hot water storage hot water storage operation. That is,
The valve 97 allows the passage 94 to communicate with the passage portion 62d, the valve 98 allows the passage 95 to communicate with the passage portion 91c, and the valve 99
The passages 91c and 91d communicate with each other, and the heat medium circulation pump 93 is further driven.
【００４５】これによって、熱媒が、集熱器８０、通路
部９１ａ、通路９４、通路部分６２ｄ、放熱路３１、通
路部分６１ｃ、通路９５、通路部９１ｃ，９１ｄ、放熱
器１４、通路９２の順に循環される。この熱媒が、集熱
器８０から受け取った太陽熱を放熱路３１で放熱すると
ともに、放熱器１４で放熱する。放熱器１４での放熱に
よって貯湯槽１０内の水を加温することができる。ま
た、放熱路３１での放熱によって、床暖房パネル３０が
オフになっているときでも、床暖房パネル３０を温め、
暖房状態にすることができる。Thus, the heat medium is supplied to the heat collector 80, the passage 91a, the passage 94, the passage 62d, the radiator 31, the passage 61c, the passage 95, the passages 91c and 91d, the radiator 14, and the passage 92. It is cycled in order. The heat medium radiates the solar heat received from the heat collector 80 in the heat radiation path 31 and radiates the heat in the heat radiator 14. The water in the hot water storage tank 10 can be heated by the heat radiation in the radiator 14. In addition, even when the floor heating panel 30 is turned off, the floor heating panel 30 is heated by the heat radiation in the heat radiation path 31,
It can be in a heating state.
【００４６】この太陽熱利用暖房貯湯運転だけでは暖房
が十分でない場合には、床暖房パネル３０をオンする。
これによって、太陽熱利用暖房貯湯運転が停止され、上
記システムＳ３と同様の暖房運転が実行される。すなわ
ち、コントローラ７０が、まず、弁６６により通路６５
と通路部分６２ｃを連通させ、弁９７により通路部分６
２３ｃ，６２ｄを連通させ、熱媒循環ポンプ６３を駆動
する。If the heating using the solar heat only is not sufficient, the floor heating panel 30 is turned on.
As a result, the solar-heat-based heating and hot water storage operation is stopped, and the same heating operation as in the system S3 is performed. That is, the controller 70 first controls the passage 65 by the valve 66.
And the passage portion 62c.
The heat medium circulating pump 63 is driven by allowing the communication between 23c and 62d.
【００４７】これによって、熱媒が、貯湯槽１０の採熱
器１３と床暖房パネル３０の放熱路３１の間で循環さ
れ、貯湯槽１０で採熱し、床暖房パネル３０で放熱す
る。床暖房パネル３０は、太陽熱利用暖房貯湯運転によ
って既に温められているので、より短い時間で快適な暖
房状態にすることができる。As a result, the heat medium is circulated between the heat collector 13 of the hot water storage tank 10 and the heat radiating path 31 of the floor heating panel 30 to collect heat in the hot water storage tank 10 and radiate heat in the floor heating panel 30. Since the floor heating panel 30 has already been warmed by the solar hot water heating and hot water storage operation, a comfortable heating state can be achieved in a shorter time.
【００４８】その後、コントローラ７０は、弁６６を通
路部６２ａ，６２ｂの連通状態に切り換えるとともに、
弁４４により伝熱管５１と往路部４１ｂを連通させ、ヒ
ートポンプ２０と水循環ポンプ４３を駆動する。これに
よって、水が、ヒートポンプ２０と熱交換器５０との間
で循環され、熱媒が、熱交換器５０と床暖房パネル３０
との間で循環される。そして、ヒートポンプ２０から熱
交換器５を介して床暖房パネル３０に熱が供給され、快
適な暖房状態が維持される。Thereafter, the controller 70 switches the valve 66 to the communication state of the passage portions 62a and 62b,
The heat transfer tube 51 and the outward path portion 41b are communicated by the valve 44, and the heat pump 20 and the water circulation pump 43 are driven. Thereby, water is circulated between the heat pump 20 and the heat exchanger 50, and the heat medium is transferred between the heat exchanger 50 and the floor heating panel 30.
Circulated between Then, heat is supplied from the heat pump 20 to the floor heating panel 30 via the heat exchanger 5, and a comfortable heating state is maintained.
【００４９】なお、暖房貯湯モードでも、貯湯主体モー
ドと同様に、上記暖房運転と併行して、集熱器８０と放
熱器１４との間で熱媒を循環させ、上記太陽熱利用貯湯
運転を実行する場合がある。In the heating hot water storage mode, as in the hot water storage main mode, the heating medium is circulated between the heat collector 80 and the radiator 14 in parallel with the heating operation to execute the solar hot water storage operation. May be.
【００５０】暖房運転を停止している時において、集熱
器８０が床暖房パネル３０より十分高温でない場合に
は、熱媒を集熱器８０と放熱器１４との間だけで循環さ
せ、床暖房パネル３０をパスする。If the heat collector 80 is not sufficiently hotter than the floor heating panel 30 when the heating operation is stopped, the heat medium is circulated only between the heat collector 80 and the radiator 14, and Pass the heating panel 30.
【００５１】一方、集熱器８０が貯湯槽１０より十分高
温でない時には、熱媒を集熱器８０と床暖房パネル３０
との間だけで循環させ、放熱器１４をパスする。すなわ
ち、弁９７で通路９４と通路部分６２ｄを連通させ、弁
９８で通路９５と通路部９１ｃを連通させ、弁９９で通
路部９１ｃと通路９６を連通させ、循環ポンプ９３を駆
動することにより、熱媒を、通路９２、集熱器８０、通
路部９１ａ、通路９４、通路部分６２ｄ、放熱路３１、
通路部分６１ｃ、通路９５、通路部９１ｃ、通路９６の
順に循環させる。On the other hand, when the heat collector 80 is not sufficiently hotter than the hot water storage tank 10, the heat medium is transferred to the heat collector 80 and the floor heating panel 30.
And circulate through the radiator 14. That is, the valve 94 communicates the passage 94 with the passage portion 62d, the valve 98 communicates the passage 95 with the passage portion 91c, the valve 99 communicates the passage portion 91c with the passage 96, and the circulation pump 93 is driven. The heat medium is supplied to the passage 92, the heat collector 80, the passage portion 91a, the passage 94, the passage portion 62d, the heat radiation passage 31,
The passage 61c, the passage 95, the passage 91c, and the passage 96 are circulated in this order.
【００５２】集熱器８０が、貯湯槽１０及び床暖房パネ
ル３０の何れよりも十分高温でない時には、熱媒循環ポ
ンプ９３が停止される。When the temperature of the heat collector 80 is not sufficiently higher than any of the hot water storage tank 10 and the floor heating panel 30, the heat medium circulation pump 93 is stopped.
【００５３】深夜には、貯湯主体モード及び暖房貯湯モ
ードの何れにおいても、第１実施形態で述べたのと同様
の貯湯運転が実行される。なお、このシステムＳ４で
は、水循環系４０の往路４１の上流端が、貯湯槽１０に
おける放熱器１４より上に配されている。したがって、
貯湯運転によって、貯湯槽１０内の水は、放熱器１４よ
り上側では熱湯になるが、放熱器１４の周りでは低温の
まま維持される。これによって、明くる日の日中、太陽
熱で貯湯する際に、放熱器１４での熱媒の放熱効率を高
めることができ、ひいては、集熱器８０に入る熱媒を低
温にして太陽熱集熱効率を高くすることができる。At midnight, in both the hot water storage main mode and the heating hot water storage mode, the same hot water storage operation as described in the first embodiment is executed. In this system S4, the upstream end of the outward path 41 of the water circulation system 40 is disposed above the radiator 14 in the hot water tank 10. Therefore,
By the hot water storage operation, the water in the hot water storage tank 10 becomes hot water above the radiator 14, but is maintained at a low temperature around the radiator 14. This makes it possible to increase the heat radiation efficiency of the heat medium in the radiator 14 when storing hot water with solar heat during the daytime of the day tomorrow, and thus increase the solar heat collecting efficiency by lowering the heat medium entering the heat collector 80. can do.
【００５４】本発明は、上記実施形態に限定されるもの
ではなく、種々の改変が可能である。例えば、システム
Ｓ３，Ｓ４においても、ヒートポンプ２０に代えて、ヒ
ートポンプ２０’と補助ヒータ２２とにより熱源器を構
成してもよい。システムＳ４において、モード指定スイ
ッチ７１をリモコン操作装置に設け、スイッチング情報
が無線でコントローラ７０に送られるようにしてもよ
い。さらに、指定手段が、モードを季節や気温などに応
じて自動的に指定するようになっていてもよい。The present invention is not limited to the above embodiment, and various modifications are possible. For example, in the systems S3 and S4, a heat source may be constituted by the heat pump 20 'and the auxiliary heater 22 instead of the heat pump 20. In the system S4, the mode specifying switch 71 may be provided in the remote control device so that the switching information is wirelessly transmitted to the controller 70. Further, the specifying means may automatically specify the mode according to the season, the temperature, or the like.
【００５５】[0055]
【発明の効果】以上説明したように、本発明の第１の特
徴によれば、貯湯だけでなく暖房をも効率的に行うこと
ができる。本発明の第２の特徴によれば、暖房運転に際
して、暖房器を急速に暖めることができ、短時間で快適
な暖房状態にすることができる。本発明の第３の特徴に
よれば、太陽熱を用いて貯湯や暖房を行うことができ
る。特に、暖房貯湯モードでは、暖房器がオフの時でも
暖かくすることができ、それで不十分な場合は暖房器を
オンすることによって極めて短時間に快適な暖房状態に
することができる。As described above, according to the first aspect of the present invention, not only hot water storage but also heating can be performed efficiently. According to the second feature of the present invention, the heater can be quickly heated during the heating operation, and a comfortable heating state can be achieved in a short time. According to the third aspect of the present invention, hot water storage and heating can be performed using solar heat. In particular, in the heating hot water storage mode, the heater can be warmed even when the heater is off, and if that is not enough, a comfortable heating state can be achieved in a very short time by turning on the heater.
【００５６】本発明の第４の特徴によれば、水のヒート
ポンプ出口温度を高温にすることができ、貯湯は勿論、
暖房も容易に行うことができる。本発明の第５の特徴に
よれば、熱媒をヒートポンプである程度まで加温した
後、補助ヒータによりさらに所望温度まで加温すること
ができ、ヒートポンプの負担を軽減できる。本発明の第
６の特徴によれば、熱交換器に水が長時間滞留するのを
防止でき、衛生を保つことができる。According to the fourth feature of the present invention, the outlet temperature of the heat pump of water can be increased, and it is possible to store hot water,
Heating can also be easily performed. According to the fifth aspect of the present invention, after the heat medium is heated to a certain extent by the heat pump, it can be further heated to the desired temperature by the auxiliary heater, and the load on the heat pump can be reduced. According to the sixth aspect of the present invention, water can be prevented from staying in the heat exchanger for a long time, and hygiene can be maintained.
【図１】本発明の第１実施形態に係る給湯暖房システム
の概略構成図である。FIG. 1 is a schematic configuration diagram of a hot water supply / room heating system according to a first embodiment of the present invention.
【図２】本発明の第２実施形態に係る給湯暖房システム
の概略構成図である。FIG. 2 is a schematic configuration diagram of a hot water supply / room heating system according to a second embodiment of the present invention.
【図３】本発明の第３実施形態に係る給湯暖房システム
の概略構成図である。FIG. 3 is a schematic configuration diagram of a hot water supply / room heating system according to a third embodiment of the present invention.
【図４】本発明の第４実施形態に係る給湯暖房システム
の概略構成図である。FIG. 4 is a schematic configuration diagram of a hot water supply / room heating system according to a fourth embodiment of the present invention.
Ｓ１〜Ｓ４ 給湯暖房システム １０ 貯湯槽 １３ 採熱器 １４ 放熱器 ２０ ヒートポンプ ２２ 補助ヒータ ３０ 床暖房パネル（暖房器） ４０ 水循環系 ５０ 熱交換器 ６０ 熱媒循環系 ７１ モード指定スイッチ（指定手段） S1 to S4 Hot water supply / heating system 10 Hot water storage tank 13 Heat collector 14 Heat radiator 20 Heat pump 22 Auxiliary heater 30 Floor heating panel (heater) 40 Water circulation system 50 Heat exchanger 60 Heat medium circulation system 71 Mode designation switch (designation means)
フロントページの続き Ｆターム(参考） 3L070 BB04 BB06 BB11 BB14 BB16 BC02 BC22 CC07 DD02 DE01 DF07 DG05 DG06 3L071 BB02 BC02 BC05 BC06 BD01 BE01 BE05 CC01 CC05 CD01 CE01 CE02 CE03 CE05 CF02 CF12 CG01 Continuation of the front page F term (reference) 3L070 BB04 BB06 BB11 BB14 BB16 BC02 BC22 CC07 DD02 DE01 DF07 DG05 DG06 3L071 BB02 BC02 BC05 BC06 BD01 BE01 BE05 CC01 CC05 CD01 CE01 CE02 CE03 CE05 CF02 CF12 CG01
Claims (6)
槽に水循環系を介して接続され、水を加温する熱源器
と、この熱源器に上記水循環系を介して接続され、水か
ら熱媒に熱を受け渡させる熱交換器と、この熱交換器に
熱媒循環系を介して接続され、上記熱媒から熱を受け取
る暖房器とを備え、 上記暖房器がオフの時に、上記熱源器を駆動しながら上
記水循環系により水を上記貯湯槽と上記熱源器との間で
循環させる貯湯運転を実行し、 上記暖房器がオンの時は、上記熱源器を駆動しながら上
記水循環系により水を上記熱源器と上記熱交換器との間
で循環させるとともに、上記熱媒循環系により上記熱媒
を上記熱交換器と上記暖房器との間で循環させる暖房運
転を実行することを特徴とする給湯暖房システム。1. A hot water storage tank for storing water for hot water supply, a heat source connected to the hot water storage via a water circulation system for heating water, and a heat source connected to the heat source equipment via the water circulation system. And a heat exchanger connected to the heat exchanger via a heat medium circulation system and receiving heat from the heat medium, wherein the heat exchanger is turned off. Performing a hot water storage operation of circulating water between the hot water storage tank and the heat source device by the water circulation system while driving the heat source device; and when the heater is on, the water circulation while driving the heat source device is performed. Executing a heating operation in which water is circulated between the heat source device and the heat exchanger by a system, and the heat medium is circulated between the heat exchanger and the heater by the heat medium circulation system. A hot water supply and heating system characterized by the following.
記貯湯槽の上側部に収容され、上記貯湯槽内の水から上
記熱媒に採熱させる採熱器を、さらに備え、上記水循環
系は、上記貯湯運転の実行時に、水を上記貯湯槽の下側
部から取り出して上記熱源器に送るとともに上記貯湯槽
の上側部に戻し、上記熱媒循環系は、上記暖房運転の実
行時に、まず上記採熱器と上記暖房器との間で上記熱媒
を循環させ、その後に、上記熱交換器と上記暖房器との
間で上記熱媒を循環させることを特徴とする請求項１に
記載の給湯暖房システム。2. The water circulation system further comprising a heat collector connected to the heat medium circulation system and housed in an upper part of the hot water storage tank, for collecting heat from water in the hot water storage tank to the heat medium. During the execution of the hot water storage operation, water is taken out from the lower part of the hot water storage tank and sent to the heat source device and returned to the upper part of the hot water storage tank.The heat medium circulation system performs the heating operation, The method according to claim 1, wherein the heat medium is circulated between the heat collector and the heater, and then the heat medium is circulated between the heat exchanger and the heater. The hot water supply and heating system as described.
熱して上記熱媒に与える集熱器と、上記熱媒循環系に接
続されるとともに上記貯湯槽の下側部に収容され、上記
熱媒から水に放熱させる放熱器と、上記熱媒循環系に対
して貯湯主体モードと暖房貯湯モードの一方を指定する
指定手段とをさらに備え、 上記貯湯主体モードでは、太陽熱を集熱可能な時に、上
記熱媒循環系により上記集熱器と上記放熱器との間で上
記熱媒を循環させ、上記暖房貯湯モードでは、上記暖房
運転の停止時であって太陽熱を集熱可能な時に、上記熱
媒循環系により上記集熱器、上記暖房器、及び上記放熱
器の順に上記熱媒を循環させることを特徴とする請求項
１又は２に記載の給湯暖房システム。3. A heat collector connected to the heat medium circulation system for collecting solar heat and supplying the heat medium to the heat medium; and a heat collector connected to the heat medium circulation system and housed in a lower portion of the hot water storage tank. A heat radiator that radiates heat from the heat medium to water; and a designation unit that designates one of a hot water storage main mode and a heating hot water storage mode for the heat medium circulation system. In the hot water storage main mode, solar heat can be collected. At this time, the heat medium is circulated between the heat collector and the radiator by the heat medium circulation system, and in the heating hot water storage mode, when the heating operation is stopped and solar heat can be collected. 3. The hot water supply / heating system according to claim 1, wherein the heat medium is circulated in the order of the heat collector, the heater, and the radiator by the heat medium circulation system.
させ、その放熱により水を加温するヒートポンプで構成
されていることを特徴とする請求項１〜３の何れかに記
載の給湯暖房システム。4. The hot water supply according to claim 1, wherein the heat source device is constituted by a heat pump that condenses a refrigerant in a supercritical region and heats water by heat radiation. Heating system.
に沿って順次設けられたヒートポンプと補助ヒータとで
構成されていることを特徴とする請求項１〜３の何れか
に記載の給湯暖房システム。5. The hot water supply according to claim 1, wherein the heat source unit comprises a heat pump and an auxiliary heater sequentially provided along a flow direction of the water circulation system. Heating system.
る際、水をまず上記熱源器と上記熱交換器との間で循環
させた後、上記熱源器と上記貯湯槽との間で循環させる
ことを特徴とする請求項１〜５の何れかに記載の給湯暖
房システム。6. When the water circulation system executes the hot water storage operation, water is first circulated between the heat source device and the heat exchanger, and then circulated between the heat source device and the hot water storage tank. The hot water supply / room heating system according to any one of claims 1 to 5, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001058587A JP4025026B2 (en) | 2001-03-02 | 2001-03-02 | Hot water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001058587A JP4025026B2 (en) | 2001-03-02 | 2001-03-02 | Hot water heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002257364A true JP2002257364A (en) | 2002-09-11 |
| JP4025026B2 JP4025026B2 (en) | 2007-12-19 |
Family
ID=18918288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001058587A Expired - Fee Related JP4025026B2 (en) | 2001-03-02 | 2001-03-02 | Hot water heating system |
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| Country | Link |
|---|---|
| JP (1) | JP4025026B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010175165A (en) * | 2009-01-30 | 2010-08-12 | Panasonic Corp | Liquid circulation-type heating system |
| JP2011149673A (en) * | 2010-01-25 | 2011-08-04 | Rinnai Corp | Solar heat hot water supply system |
| JP2011153718A (en) * | 2010-01-25 | 2011-08-11 | Rinnai Corp | Solar heat hot water supply device |
| JP2015010759A (en) * | 2013-06-28 | 2015-01-19 | 株式会社長府製作所 | Heat supply equipment |
| CN113819503A (en) * | 2021-09-30 | 2021-12-21 | 河北工程大学 | Solar energy-water source heat pump heating system for obtaining heat by means of solar energy and phase change |
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| CN111780196B (en) * | 2020-06-17 | 2022-03-25 | 山东风顺制冷科技集团有限公司 | Underfloor heating system through steam heat supply |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010175165A (en) * | 2009-01-30 | 2010-08-12 | Panasonic Corp | Liquid circulation-type heating system |
| US8661840B2 (en) | 2009-01-30 | 2014-03-04 | Panasonic Corporation | Liquid circulation heating system |
| JP2011149673A (en) * | 2010-01-25 | 2011-08-04 | Rinnai Corp | Solar heat hot water supply system |
| JP2011153718A (en) * | 2010-01-25 | 2011-08-11 | Rinnai Corp | Solar heat hot water supply device |
| JP2015010759A (en) * | 2013-06-28 | 2015-01-19 | 株式会社長府製作所 | Heat supply equipment |
| CN113819503A (en) * | 2021-09-30 | 2021-12-21 | 河北工程大学 | Solar energy-water source heat pump heating system for obtaining heat by means of solar energy and phase change |
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