JP2015004485A - Storage type hot water system - Google Patents

Storage type hot water system Download PDF

Info

Publication number
JP2015004485A
JP2015004485A JP2013130490A JP2013130490A JP2015004485A JP 2015004485 A JP2015004485 A JP 2015004485A JP 2013130490 A JP2013130490 A JP 2013130490A JP 2013130490 A JP2013130490 A JP 2013130490A JP 2015004485 A JP2015004485 A JP 2015004485A
Authority
JP
Japan
Prior art keywords
hot water
tank
water storage
water tank
storage tank
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
Application number
JP2013130490A
Other languages
Japanese (ja)
Other versions
JP6185766B2 (en
Inventor
輝洋 佐潟
Teruhiro Sagata
輝洋 佐潟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Energy System Corp
Original Assignee
Yazaki Energy System Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yazaki Energy System Corp filed Critical Yazaki Energy System Corp
Priority to JP2013130490A priority Critical patent/JP6185766B2/en
Publication of JP2015004485A publication Critical patent/JP2015004485A/en
Application granted granted Critical
Publication of JP6185766B2 publication Critical patent/JP6185766B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a storage type hot water system which supplies hot water to a home etc. even in a case where a water line pressure is not obtained as in water stoppage etc.SOLUTION: A storage type hot water system 1 includes: a first hot water storage tank 10 which stores hot water heated by utilizing solar heat; a hot water supply pipeline 14 in which the hot water discharged from the first hot water storage tank 10 circulates; and a second hot water storage tank 20 which may store the hot water. The storage type hot water system 1 includes: a lower part connection pipe 40 which connects lower parts of the first hot water storage tank 10 and the second hot water storage tank 20 with each other; and pump means 50 which is provided at the lower part connection pipe 40 and supplies the hot water in the lower part of the second hot water storage tank 20 to the first hot water storage tank 10.

Description

本発明は、貯湯式給湯システムに関する。   The present invention relates to a hot water storage type hot water supply system.

従来、集熱器に対して熱媒を供給し、集熱器にて加熱された熱媒を利用して貯湯槽内の冷水を加熱し、加熱により得られた貯湯槽内の湯水を家庭内等に供給する貯湯式給湯システムが提案されている。この貯湯式給湯システムでは、水道配管の冷水を貯湯槽に供給する給水配管と、貯湯槽内の湯水を家庭内等に供給する給湯配管とを備えている。貯湯槽内の湯水を給湯配管を通じて家庭内等に供給する場合には、給水配管から貯湯槽内に冷水を供給する水道圧により貯湯槽内の湯水を押し出して家庭内に供給する。   Conventionally, a heat medium is supplied to the heat collector, the cold water in the hot water tank is heated using the heat medium heated by the heat collector, and the hot water in the hot water tank obtained by heating is used in the home. A hot water storage type hot water supply system that supplies water to the sea has been proposed. This hot water storage type hot water supply system includes a water supply pipe for supplying cold water from a water supply pipe to a hot water storage tank, and a hot water supply pipe for supplying hot water in the hot water storage tank to the home or the like. When the hot water in the hot water tank is supplied to the home or the like through the hot water supply pipe, the hot water in the hot water tank is pushed out by the water pressure that supplies cold water from the water supply pipe to the hot water tank and supplied to the home.

また、このような貯湯槽を複数個並列に備えた貯湯式給湯システムについても提案されている。この貯湯式給湯システムでは、貯湯槽の湯切れが検知された場合、給湯配管に設けられた開閉弁を直ちに閉じるのではなく、すべての貯湯槽に対応する開閉弁の開閉状態を確認し少なくとも１つが開状態であるときに、開閉弁の閉止を許可する。これにより、以下の効果を奏している。すなわち、少なくとも１つの開閉弁が開状態であるときには、湯切れが検出された貯湯槽からの家庭内等への給湯を禁止して冷水が家庭内等に供給されることを防止し、且つ、少なくとも１つの開閉弁が開状態でないときには、湯切れが検出された貯湯槽に対応する開閉弁を閉じることなく、少なくとも冷水が家庭内等に供給されるようにし水すら家庭内等に供給できなくなってしまう事態を防止することができる（特許文献１参照）。   There has also been proposed a hot water storage type hot water supply system provided with a plurality of such hot water storage tanks in parallel. In this hot water storage type hot water supply system, when the hot water out of the hot water storage tank is detected, the open / close valves provided in the hot water supply pipes are not immediately closed, but the open / close state of the open / close valves corresponding to all the hot water storage tanks is confirmed. Permits closing of the on-off valve when one is open. Thereby, the following effects are produced. That is, when at least one on-off valve is in an open state, hot water supply from the hot water storage tank from which hot water has been detected to the home or the like is prohibited to prevent cold water from being supplied to the home and the like, and When at least one on-off valve is not in an open state, at least cold water is supplied to the home etc. without closing the on-off valve corresponding to the hot water storage tank in which hot water is detected, and even water cannot be supplied to the home etc. Can be prevented (see Patent Document 1).

特開２０１１−１９１０３９号公報JP 2011-191039 A

ここで、上記特許文献１に記載のシステムを含む貯湯式給湯システムでは、断水等により水道圧が無くなると、給湯配管から家庭内等に湯水を供給することができなくなってしまう。このような対策として、貯湯槽の下部には排水口が設けられることがあり、断水等の際には排水口が開けられることにより、手動にて湯水が取り出されるようになっている。   Here, in the hot water storage type hot water supply system including the system described in Patent Document 1, if the water pressure is lost due to water cut or the like, hot water cannot be supplied from the hot water supply pipe to the home. As such a countermeasure, a drain outlet may be provided in the lower part of the hot water tank, and hot water is taken out manually by opening the drain outlet in the event of a water outage or the like.

しかし、上記貯湯式給湯システムは、排水口から湯水を取り出すことができるものの、依然として家庭内等の蛇口から湯水を取り出すことができない。   However, although the hot water storage type hot water supply system can take hot water from the drain, it still cannot take hot water from a faucet in the home.

本発明はこのような従来の課題を解決するためになされたものであり、その目的とするところは、断水等の水道圧が得られない場合であっても、家庭内等に湯水を給湯することが可能な貯湯式給湯システムを提供することにある。   The present invention has been made to solve such a conventional problem, and the purpose of the present invention is to supply hot water to homes and the like even when water pressure such as water outage cannot be obtained. The object is to provide a hot water storage type hot water supply system capable of this.

本発明の貯湯式給湯システムは、再生可能エネルギーを利用して加熱された湯水を貯湯する第１貯湯槽と、前記第１貯湯槽から排出される湯水が流通する給湯配管と、湯水を貯湯可能な第２貯湯槽と、を備えた貯湯式給湯システムであって、前記第１貯湯槽と前記第２貯湯槽との下部同士を接続する下部接続管と、前記下部接続管に設けられ前記第２貯湯槽下部の湯水を前記第１貯湯槽に供給させるポンプ手段と、を備えることを特徴とする。   The hot water storage type hot water supply system of the present invention is capable of storing a first hot water tank for storing hot water heated using renewable energy, a hot water supply pipe for flowing hot water discharged from the first hot water tank, and hot water. A hot water storage system comprising a second hot water storage tank, a lower connecting pipe connecting lower portions of the first hot water tank and the second hot water tank, and the lower connecting pipe provided in the lower connecting pipe Pumping means for supplying hot water in the lower part of the two hot water tanks to the first hot water tank.

本発明の貯湯式給湯システムによれば、第１貯湯槽と第２貯湯槽との下部同士を接続する下部接続管と、下部接続管に設けられ第２貯湯槽下部の湯水を第１貯湯槽に供給させるポンプ手段とを備えるため、たとえ断水等によって水道圧が得られない状況であっても、ポンプ手段により第２貯湯槽下部の湯水を第１貯湯槽に供給することで、第１貯湯槽内の湯水を押し出して第１給湯配管から家庭内等に供給することができる。従って、断水等の水道圧が得られない場合であっても、家庭内等に湯水を給湯することができる。   According to the hot water storage hot water supply system of the present invention, the lower connecting pipe that connects the lower portions of the first hot water tank and the second hot water tank, and the hot water at the lower part of the second hot water tank provided in the lower connecting pipe are used as the first hot water tank. The first hot water storage is provided by supplying the hot water in the lower part of the second hot water storage tank to the first hot water storage tank by the pump means even in a situation where the water pressure cannot be obtained due to water interruption or the like. Hot water in the tank can be pushed out and supplied to the home or the like from the first hot water supply pipe. Therefore, hot water can be supplied to the home or the like even when water pressure such as water outage cannot be obtained.

また、本発明の貯湯式給湯システムにおいて、前記下部接続管のうち前記ポンプ手段よりも第２貯湯槽側に一端が接続され他端が開放された分岐管をさらに備えることが好ましい。   Moreover, in the hot water storage type hot water supply system of the present invention, it is preferable that the lower connecting pipe further includes a branch pipe having one end connected to the second hot water storage tank side with respect to the pump means and the other end opened.

この貯湯式給湯システムによれば、下部接続管のうちポンプ手段よりも第２貯湯槽側に設けられた分岐管をさらに備えるため、例えば分岐管を介してポリタンク等の水を第１貯湯槽に供給することもでき、第２貯湯槽内の湯水が無くなった場合であっても、家庭内等に湯水を給湯することができる。   According to this hot water storage type hot water supply system, since it further includes a branch pipe provided on the second hot water tank side of the pump means in the lower connecting pipe, for example, water such as a poly tank is supplied to the first hot water tank via the branch pipe. Even if the hot water in the second hot water tank is exhausted, hot water can be supplied to the home or the like.

また、本発明の貯湯式給湯システムは、前記第１貯湯槽と前記第２貯湯槽との上部同士を接続する上部接続管をさらに備え、前記第２貯湯槽は、排熱を利用して加熱された湯水を貯湯し、前記ポンプ手段は、前記第１貯湯槽下部の湯水を前記第２貯湯槽に供給させる機能をさらに有し、前記第１貯湯槽下部の湯水を前記第２貯湯槽に供給することにより、前記上部接続管を通じて前記第２貯湯槽上部の湯水を前記第１貯湯槽に供給することが好ましい。   The hot water storage type hot water supply system of the present invention further includes an upper connecting pipe that connects upper portions of the first hot water storage tank and the second hot water storage tank, and the second hot water storage tank is heated using exhaust heat. The pump means further has a function of supplying hot water in the lower part of the first hot water tank to the second hot water tank, and the hot water in the lower part of the first hot water tank is stored in the second hot water tank. It is preferable to supply hot water in the upper part of the second hot water storage tank to the first hot water storage tank through the upper connecting pipe.

この貯湯式給湯システムによれば、第１貯湯槽と第２貯湯槽との上部同士を接続する上部接続管をさらに備え、第２貯湯槽は、排熱を利用して加熱された湯水を貯湯し、ポンプ手段は、第１貯湯槽下部の湯水を第２貯湯槽に供給させる機能をさらに有する。これにより、ポンプ手段により第１貯湯槽下部の湯水を第２貯湯槽に供給させた場合には、第１貯湯槽下部という第１貯湯槽内において比較的加熱されていない湯水を第２貯湯槽に供給できる。このため、第２貯湯槽が燃料電池の排熱を利用して湯水を加熱している場合には、比較的加熱されていない湯水を利用して燃料電池を冷却し燃料電池の長期運転を可能とすることができる。さらに、押し出しによって第２貯湯槽上部という第２貯湯槽内において比較的加熱されている湯水を第１貯湯槽に供給できる。これにより、再生可能エネルギーを利用して加熱された湯水のみならず、第２貯湯槽内において加熱された湯水についても、第１給湯配管を通じて家庭内等に供給可能となり、家庭内等に湯水をより提供することができる。   According to the hot water storage hot water supply system, the hot water storage system further includes an upper connecting pipe that connects the upper portions of the first hot water storage tank and the second hot water storage tank, and the second hot water storage tank stores hot water heated using exhaust heat. The pump means further has a function of supplying hot water in the lower part of the first hot water tank to the second hot water tank. Thereby, when the hot water in the lower part of the first hot water tank is supplied to the second hot water tank by the pump means, the hot water that is not heated relatively in the first hot water tank called the lower part of the first hot water tank is stored in the second hot water tank. Can supply. For this reason, when the 2nd hot water storage tank is heating hot water using the exhaust heat of a fuel cell, the fuel cell is cooled using hot water which is not heated comparatively, and long-term operation of a fuel cell is possible It can be. Furthermore, hot water that is relatively heated in the second hot water tank, which is the upper part of the second hot water tank, can be supplied to the first hot water tank by the extrusion. As a result, not only hot water heated using renewable energy but also hot water heated in the second hot water storage tank can be supplied to the home etc. through the first hot water supply pipe, and hot water is supplied to the home etc. More can be provided.

なお、上記において湯水とはあらゆる温度の湯又は水を意味するものである。また、冷水とは温度範囲が限定されるものではない。   In the above, hot water means hot water or water at any temperature. Further, the temperature range of cold water is not limited.

本発明によれば、断水等の水道圧が得られない場合であっても、家庭内等に湯水を給湯することが可能な貯湯式給湯システムを提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, even if it is a case where tap water pressure, such as a water stop, cannot be obtained, the hot water storage type hot-water supply system which can supply hot water to a household etc. can be provided.

本発明の実施形態に係る貯湯式給湯システムの概略構成図である。It is a schematic structure figure of a hot water storage type hot-water supply system concerning an embodiment of the present invention. 本実施形態に係る貯湯式給湯システムの動作を示す図であって、断水等がない平常時における動作を示している。It is a figure which shows operation | movement of the hot water storage type hot-water supply system which concerns on this embodiment, Comprising: The operation | movement in the normal time without water cutoff etc. is shown. 本実施形態に係る貯湯式給湯システムの動作を示す図であって、災害時などの断水が発生したときの動作を示している。It is a figure which shows operation | movement of the hot water storage type hot-water supply system which concerns on this embodiment, Comprising: Operation | movement when the water stop generate | occur | produces at the time of a disaster, etc. is shown. 第２実施形態に係る貯湯式給湯システムの概略構成図である。It is a schematic block diagram of the hot water storage type hot water supply system which concerns on 2nd Embodiment. 第２実施形態に係る貯湯式給湯システムの動作を示す図であって、断水等がない平常時における動作を示している。It is a figure which shows operation | movement of the hot water storage type hot-water supply system which concerns on 2nd Embodiment, Comprising: The operation | movement in the normal time without water cutoff etc. is shown. 第２実施形態に係る貯湯式給湯システムの動作を示す図であって、災害時などの断水が発生したときの動作を示している。It is a figure which shows operation | movement of the hot water storage type hot-water supply system which concerns on 2nd Embodiment, Comprising: Operation | movement when the water stop generate | occur | produces at the time of a disaster etc. is shown.

以下、本発明の好適な実施形態を図面に基づいて説明する。図１は、本発明の実施形態に係る貯湯式給湯システムの概略構成図である。図１に示すように、本実施形態に係る貯湯式給湯システム１は、複数の貯湯槽１０，２０を備えるものであって、複数の貯湯槽１０，２０を利用して断水等の水道圧が得られない場合であっても、家庭内等に湯水を給湯するものである。   DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described with reference to the drawings. FIG. 1 is a schematic configuration diagram of a hot water storage type hot water supply system according to an embodiment of the present invention. As shown in FIG. 1, the hot water storage hot water supply system 1 according to the present embodiment includes a plurality of hot water storage tanks 10 and 20, and water pressure such as water shutoff is generated using the multiple hot water storage tanks 10 and 20. Even if it cannot be obtained, hot water is supplied to the home or the like.

このような貯湯式給湯システム１は、複数の貯湯槽１０，２０に加えて、熱交換器１１と、集熱器１２と、給水配管１３，２３と、給湯配管１４，２４と、ミキシングユニット３０と、下部接続管４０と、ポンプ手段５０とを備えている。   Such a hot water storage type hot water supply system 1 includes a heat exchanger 11, a heat collector 12, water supply pipes 13 and 23, hot water supply pipes 14 and 24, and a mixing unit 30 in addition to the plurality of hot water storage tanks 10 and 20. And a lower connecting pipe 40 and a pump means 50.

第１貯湯槽１０は、太陽熱（再生可能エネルギー）を利用して冷水を加熱する熱交換器１１を有している。集熱器１２は、太陽熱を利用して熱媒を加熱するものであって、例えば屋根の上などの太陽光を受光し易い位置に設置されるものである。このような集熱器１２は、不図示のポンプが駆動することにより、加熱した熱媒を熱交換器１１に供給する。熱交換器１１は、集熱器１２によって加熱された熱媒と、第１貯湯槽１０内の湯水とを熱交換して、湯水を加熱する。また、湯水と熱交換して冷却した熱媒はポンプによって再度集熱器１２に戻される。なお、熱交換器１１は、第１貯湯槽１０の下部側に設けられている。   The 1st hot water tank 10 has the heat exchanger 11 which heats cold water using solar heat (renewable energy). The heat collector 12 heats the heat medium using solar heat, and is installed at a position where it is easy to receive sunlight, such as on a roof. Such a heat collector 12 supplies a heated heat medium to the heat exchanger 11 by driving a pump (not shown). The heat exchanger 11 heats the hot water by exchanging heat between the heat medium heated by the heat collector 12 and the hot water in the first hot water tank 10. The heat medium cooled by exchanging heat with hot water is returned to the heat collector 12 again by a pump. The heat exchanger 11 is provided on the lower side of the first hot water tank 10.

第１給水配管１３は、第１貯湯槽１０の下部と水道管とを接続する配管であり、水道圧を利用して冷水を第１貯湯槽１０内に供給する。第１給湯配管１４は、第１貯湯槽１０から排出される湯水が流通するものであって、一端が第１貯湯槽１０の上部に接続されており、他端がミキシングユニット３０に接続されている。   The 1st water supply piping 13 is piping which connects the lower part of the 1st hot water storage tank 10, and a water pipe, and supplies cold water in the 1st hot water storage tank 10 using a water pressure. The first hot water supply pipe 14 circulates the hot water discharged from the first hot water tank 10, one end connected to the upper part of the first hot water tank 10, and the other end connected to the mixing unit 30. Yes.

第２貯湯槽２０は、湯水を貯湯可能に構成されたものである。第２給水配管２３は、第２貯湯槽２０の下部と水道管とを接続する配管であり、水道圧を利用して冷水を第２貯湯槽２０内に供給する。第２給湯配管２４は、第２貯湯槽２０から排出される湯水が流通するものであって、一端が第２貯湯槽２０の上部に接続されており、他端がミキシングユニット３０に接続されている。   The second hot water tank 20 is configured to store hot water. The 2nd water supply piping 23 is piping which connects the lower part of the 2nd hot water storage tank 20 and a water pipe, and supplies cold water in the 2nd hot water storage tank 20 using a water pressure. The second hot water supply pipe 24 circulates the hot water discharged from the second hot water storage tank 20, and has one end connected to the upper part of the second hot water storage tank 20 and the other end connected to the mixing unit 30. Yes.

ミキシングユニット３０は、第１及び第２給湯配管１４，２４を流通してきた湯水を混合してユーザが望む温度（すなわち設定温度）とし、家庭内等に供給するものである。下部接続管４０は、第１貯湯槽１０と第２貯湯槽２０との下部同士を接続する配管である。ポンプ手段５０は、下部接続管４０に設けられ、第２貯湯槽２０の下部の湯水を第１貯湯槽１０の下部に供給させる動力を発生させるものである。   The mixing unit 30 mixes the hot and cold water flowing through the first and second hot water supply pipes 14 and 24 to obtain a temperature desired by the user (that is, a set temperature) and supplies it to the home or the like. The lower connection pipe 40 is a pipe that connects lower portions of the first hot water tank 10 and the second hot water tank 20. The pump means 50 is provided in the lower connecting pipe 40 and generates power for supplying hot water in the lower part of the second hot water tank 20 to the lower part of the first hot water tank 10.

このような構成を有するため、本実施形態に係る貯湯式給湯システム１は、たとえ断水等によって水道圧が得られない状況であっても、ポンプ手段５０により第２貯湯槽２０の下部の湯水を第１貯湯槽１０に供給することで、第１貯湯槽１０内の湯水を押し出して第１給湯配管１４から家庭内等に供給可能となっている。   Since it has such a configuration, the hot water storage type hot water supply system 1 according to the present embodiment uses the pump means 50 to supply hot water in the lower part of the second hot water tank 20 even in a situation where water pressure cannot be obtained due to water interruption or the like. By supplying to the 1st hot water storage tank 10, the hot water in the 1st hot water storage tank 10 is pushed out, and it can supply now to a household etc. from the 1st hot water supply piping 14. FIG.

さらに、本実施形態において貯湯式給湯システム１は、分岐管６０と逆止弁６１とを備えている。分岐管６０は、一端が下部接続管４０のうちポンプ手段５０よりも第２貯湯槽２０側に接続され、他端が開放されている。逆止弁６１は、他端から一端への液体の移動を許容するように分岐管６０上に設けられている。   Further, in the present embodiment, the hot water storage type hot water supply system 1 includes a branch pipe 60 and a check valve 61. One end of the branch pipe 60 is connected to the second hot water tank 20 side of the lower connecting pipe 40 relative to the pump means 50, and the other end is opened. The check valve 61 is provided on the branch pipe 60 so as to allow the liquid to move from the other end to the one end.

このため、例えば分岐管６０を介してポリタンク等の水を第１貯湯槽１０に供給することもでき、第２貯湯槽２０内の湯水が無くなった場合であっても、家庭内等に湯水を給湯することができる。   For this reason, for example, water such as a plastic tank can be supplied to the first hot water tank 10 via the branch pipe 60, and even if hot water in the second hot water tank 20 is exhausted, Hot water can be supplied.

次に、本実施形態に係る貯湯式給湯システム１の動作を説明する。図２は、本実施形態に係る貯湯式給湯システム１の動作を示す図であって、断水等がない平常時における動作を示している。なお、図２に示す太線の配管は湯水が流通する経路を示している。   Next, operation | movement of the hot water storage type hot-water supply system 1 which concerns on this embodiment is demonstrated. FIG. 2 is a diagram showing an operation of the hot water storage type hot water supply system 1 according to the present embodiment, and shows an operation in a normal time without water cutoff or the like. In addition, the thick line piping shown in FIG. 2 has shown the path | route through which hot water flows.

まず、第１貯湯槽１０においては、不図示の温度センサからの信号に応じてポンプが動作し、ポンプによって熱媒が熱交換器１１と集熱器１２とで循環させられる。この循環により、熱媒は集熱器１２において加熱され、熱交換器１１において湯水を加熱することとなる。   First, in the first hot water tank 10, a pump operates in response to a signal from a temperature sensor (not shown), and a heat medium is circulated between the heat exchanger 11 and the heat collector 12 by the pump. By this circulation, the heat medium is heated in the heat collector 12, and hot water is heated in the heat exchanger 11.

また、家庭内等のユーザが湯水を使用すべく蛇口を捻るなどした場合には、第１及び第２給水配管１３，２３から各貯湯槽１０，２０に対して冷水が供給される。この供給により、各貯湯槽１０，２０の給湯配管１４，２４から湯水が送り出され、ミキシングユニット３０において設定温度となるように混合された後、家庭内等に供給される。   Further, when a user at home or the like twists a faucet to use hot water, cold water is supplied from the first and second water supply pipes 13 and 23 to the hot water storage tanks 10 and 20. By this supply, hot water is sent out from the hot water supply pipes 14 and 24 of the hot water storage tanks 10 and 20, mixed in the mixing unit 30 so as to reach a set temperature, and then supplied to the home or the like.

図３は、本実施形態に係る貯湯式給湯システム１の動作を示す図であって、災害時などの断水が発生したときの動作を示している。なお、図３に示す太線の配管は湯水が流通する経路を示している。   FIG. 3 is a diagram showing an operation of the hot water storage type hot water supply system 1 according to the present embodiment, and shows an operation when a water outage occurs during a disaster or the like. In addition, the thick line piping shown in FIG. 3 has shown the path | route through which hot water flows.

図３に示すように、災害時に断水が発生した場合であっても電源が確保されている場合には、図２に示した例と同様に、ポンプが動作して熱媒が循環するため、第１貯湯槽１０内の湯水は加熱されることとなる。しかし、断水が発生しているため、水道圧を得ることができず、第１給湯配管１４から湯水を排出できなくなってしまう。   As shown in FIG. 3, even when a water outage occurs in the event of a disaster, if the power source is secured, the pump operates and the heat medium circulates as in the example shown in FIG. The hot water in the first hot water tank 10 is heated. However, since water cutoff has occurred, the water pressure cannot be obtained, and hot water cannot be discharged from the first hot water supply pipe 14.

そこで、本実施形態に係る貯湯式給湯システム１は、ポンプ手段５０を動作させる。これにより、第２貯湯槽２０の下部の湯水が下部接続管４０を介して第１貯湯槽１０に供給される。これにより、第１貯湯槽１０では例えば水道圧相当の圧を得ることができ、第１貯湯槽１０の第１給湯配管１４から湯水が送り出されることとなる。   Therefore, the hot water storage type hot water supply system 1 according to the present embodiment operates the pump means 50. Thereby, the hot water in the lower part of the second hot water tank 20 is supplied to the first hot water tank 10 through the lower connecting pipe 40. As a result, in the first hot water tank 10, for example, a pressure corresponding to a water pressure can be obtained, and hot water is sent out from the first hot water supply pipe 14 of the first hot water tank 10.

また、ポンプ手段５０を動作させることにより、分岐管６０を通じてポリタンク等の湯水を第１貯湯槽１０に供給することもできる。この場合においても、第１貯湯槽１０では例えば水道圧相当の圧を得ることができ、第１貯湯槽１０の第１給湯配管１４から湯水が送り出されることとなる。   Also, by operating the pump means 50, hot water such as a poly tank can be supplied to the first hot water tank 10 through the branch pipe 60. Even in this case, in the first hot water tank 10, for example, a pressure equivalent to a water pressure can be obtained, and hot water is sent out from the first hot water supply pipe 14 of the first hot water tank 10.

なお、集熱器１２が例えば燃料電池などの排熱機器である場合、燃料が無くなることにより第１貯湯槽１０内の湯水を加熱できなくなる。よって、断水が長期に亘る場合には、第１貯湯槽１０内の湯水は冷却されて冷水となってしまう。しかし、本実施形態では太陽熱（再生可能エネルギー）を利用する集熱器１２を備えることから、たとえ災害時であっても第１貯湯槽１０内の湯水を加熱でき、しかもポンプ手段５０により第１貯湯槽１０内の湯水を押し出して第１給湯配管１４から家庭内等に供給することができることから、災害時においても湯水を家庭内等に供給することとなる。   When the heat collector 12 is an exhaust heat device such as a fuel cell, for example, the hot water in the first hot water tank 10 cannot be heated due to the lack of fuel. Therefore, when the water outage lasts for a long time, the hot water in the first hot water tank 10 is cooled and becomes cold water. However, since the present embodiment includes the heat collector 12 that uses solar heat (renewable energy), the hot water in the first hot water tank 10 can be heated even during a disaster, and the first pump means 50 can be used for the first. Since hot water in the hot water storage tank 10 can be pushed out and supplied to the home or the like from the first hot water supply pipe 14, hot water is supplied to the home or the like even in the event of a disaster.

なお、水道圧が得られないことから、第２貯湯槽２０内の湯水は第２給湯配管２４を通じて供給されることはない。   In addition, since the water pressure cannot be obtained, the hot water in the second hot water tank 20 is not supplied through the second hot water supply pipe 24.

このようにして、本実施形態に係る貯湯式給湯システム１によれば、第１貯湯槽１０と第２貯湯槽２０との下部同士を接続する下部接続管４０と、下部接続管４０に設けられ第２貯湯槽２０の下部の湯水を第１貯湯槽１０に供給させるポンプ手段５０とを備えるため、たとえ断水等によって水道圧が得られない状況であっても、ポンプ手段５０により第２貯湯槽２０の下部の湯水を第１貯湯槽１０に供給することで、第１貯湯槽１０内の湯水を押し出して第１給湯配管１４から家庭内等に供給することができる。従って、断水等の水道圧が得られない場合であっても、家庭内等に湯水を給湯することができる。   Thus, according to the hot water storage hot water supply system 1 according to the present embodiment, the lower connection pipe 40 and the lower connection pipe 40 that connect the lower portions of the first hot water tank 10 and the second hot water tank 20 are provided. Since the pump means 50 for supplying the hot water in the lower part of the second hot water tank 20 to the first hot water tank 10 is provided, the second hot water tank is used by the pump means 50 even in a situation where the water pressure cannot be obtained due to water interruption or the like. By supplying the hot water in the lower part of 20 to the first hot water tank 10, the hot water in the first hot water tank 10 can be pushed out and supplied to the home or the like from the first hot water supply pipe 14. Therefore, hot water can be supplied to the home or the like even when water pressure such as water outage cannot be obtained.

しかも、第１貯湯槽１０内の湯水は太陽熱を利用する集熱器１２からの熱媒によって加熱されるため、災害時であっても家庭内等に湯水を供給することもできる。すなわち、集熱器１２が燃料電池である場合には燃料が無くなることにより第１貯湯槽１０内の湯水を加熱できなくなるが、太陽熱利用の場合には、たとえ災害時であっても第１貯湯槽１０内の湯水を加熱でき、しかもポンプ手段５０により第１貯湯槽１０内の湯水を押し出して第１給湯配管１４から家庭内等に供給することができることから、災害時においても湯水を家庭内等に供給することができる。   Moreover, since the hot water in the first hot water storage tank 10 is heated by the heat medium from the heat collector 12 using solar heat, the hot water can be supplied to the home or the like even during a disaster. That is, when the collector 12 is a fuel cell, the hot water in the first hot water tank 10 cannot be heated due to the lack of fuel. However, in the case of using solar heat, the first hot water storage is possible even during a disaster. The hot water in the tank 10 can be heated, and the hot water in the first hot water storage tank 10 can be pushed out by the pump means 50 and supplied to the home etc. from the first hot water supply pipe 14. Etc. can be supplied.

また、下部接続管４０のうちポンプ手段５０よりも第２貯湯槽側に設けられた分岐管６０をさらに備えるため、例えば分岐管６０を介してポリタンク等の湯水を第１貯湯槽１０に供給することもでき、第２貯湯槽２０内の湯水が無くなった場合であっても、家庭内等に湯水を給湯することができる。   Further, in order to further include a branch pipe 60 provided on the second hot water storage tank side of the pump means 50 in the lower connection pipe 40, hot water such as a poly tank is supplied to the first hot water tank 10 via the branch pipe 60, for example. Even when the hot water in the second hot water storage tank 20 runs out, hot water can be supplied to the home or the like.

また、第１貯湯槽１０は、太陽熱を利用して湯水を加熱するため、内部の湯水が無くなってしまうと集熱が出来なくなってしまうが、本実施形態に係る貯湯式給湯システム１では第２貯湯槽２０の湯水を第１貯湯槽１０に供給するため、第１貯湯槽１０内の湯水が無くなり難くなり、災害時においても長期に亘り湯水を提供することができる。   Moreover, since the 1st hot water storage tank 10 heats hot water using solar heat, when there is no hot water in an inside, it will become impossible to collect heat, but in the hot water storage type hot water supply system 1 which concerns on this embodiment, it is 2nd. Since the hot water in the hot water tank 20 is supplied to the first hot water tank 10, the hot water in the first hot water tank 10 is hardly lost, and hot water can be provided for a long time even in a disaster.

次に、本発明の第２実施形態を説明する。第２実施形態に係る太陽熱利用システムは、第１実施形態のものと同様であるが、構成及び動作が一部異なっている。以下、第１実施形態との相違点について説明する。   Next, a second embodiment of the present invention will be described. The solar heat utilization system according to the second embodiment is the same as that of the first embodiment, but is partially different in configuration and operation. Hereinafter, differences from the first embodiment will be described.

図４は、第２実施形態に係る貯湯式給湯システム２の概略構成図である。図４に示すように、第２実施形態に係る貯湯式給湯システム２は、上部接続管７１と逆止弁７２とをさらに備えている。上部接続管７１は、第１貯湯槽１０と第２貯湯槽２０との上部同士を接続する配管である。逆止弁７２は、第２貯湯槽２０側から第１貯湯槽１０側への液体の移動を許容するように上部接続管７１上に設けられている。   FIG. 4 is a schematic configuration diagram of a hot water storage type hot water supply system 2 according to the second embodiment. As shown in FIG. 4, the hot water storage type hot water supply system 2 according to the second embodiment further includes an upper connecting pipe 71 and a check valve 72. The upper connection pipe 71 is a pipe that connects the upper portions of the first hot water tank 10 and the second hot water tank 20. The check valve 72 is provided on the upper connecting pipe 71 so as to allow the liquid to move from the second hot water tank 20 side to the first hot water tank 10 side.

また、第２実施形態に係る貯湯式給湯システム２は、第２熱交換器２１及び排熱機器２２を備えている。排熱機器２２は、排熱を利用して熱媒を加熱する燃料電池等の機器である。この排熱機器２２は、不図示のポンプが駆動することにより、加熱した熱媒を第２熱交換器２１に供給する。第２熱交換器２１は、排熱機器２２によって加熱された熱媒と、第２貯湯槽２０内の湯水とを熱交換して、湯水を加熱する。また、湯水と熱交換して冷却した熱媒はポンプによって再度排熱機器２２に供給される。なお、第２熱交換器２１は、第２貯湯槽２０の下部側に設けられている。   The hot water storage type hot water supply system 2 according to the second embodiment includes a second heat exchanger 21 and a heat exhaust device 22. The exhaust heat device 22 is a device such as a fuel cell that heats a heat medium using exhaust heat. The exhaust heat device 22 supplies a heated heat medium to the second heat exchanger 21 by driving a pump (not shown). The second heat exchanger 21 heats the hot water by exchanging heat between the heat medium heated by the exhaust heat device 22 and the hot water in the second hot water tank 20. Further, the heat medium cooled by exchanging heat with hot water is supplied again to the exhaust heat equipment 22 by a pump. The second heat exchanger 21 is provided on the lower side of the second hot water tank 20.

さらに、第２実施形態に係る貯湯式給湯システム２は、三方弁４１，４２と、接続管４３，４４とを備えている。第１三方弁４１は、下部接続管４０上に設けられており、第２三方弁４２は、下部接続管４０のうち第１三方弁４１よりも第２貯湯槽２０側に設けられている。第１接続管４３は、第１三方弁４１と第２三方弁４２とを接続する配管である。第２接続管４４は、一端が第１接続管４３に接続され、他端が下部接続管４０のうち第１三方弁４１と第２三方弁４２との間の部位（符号Ａ参照）に設けられている。また、第２実施形態においてポンプ手段５０は、第２接続管４４の他端から一端に向けて液送可能に第２接続管４４上に設けられている。   Furthermore, the hot water storage hot water supply system 2 according to the second embodiment includes three-way valves 41 and 42 and connection pipes 43 and 44. The first three-way valve 41 is provided on the lower connecting pipe 40, and the second three-way valve 42 is provided on the second hot water tank 20 side of the lower connecting pipe 40 relative to the first three-way valve 41. The first connection pipe 43 is a pipe that connects the first three-way valve 41 and the second three-way valve 42. One end of the second connection pipe 44 is connected to the first connection pipe 43 and the other end is provided in a portion (refer to reference numeral A) between the first three-way valve 41 and the second three-way valve 42 in the lower connection pipe 40. It has been. In the second embodiment, the pump means 50 is provided on the second connection pipe 44 so as to be able to feed liquid from the other end of the second connection pipe 44 toward one end.

このような構成であるため、ポンプ手段５０は、第１貯湯槽１０の下部の湯水を第２貯湯槽２０に供給させる機能をさらに有することとなる。すなわち、第１三方弁４１を制御して下部接続管４０の第１貯湯槽１０側と下部接続管４０の第２貯湯槽１０側と湯水の流通を許可すると共に、第２三方弁４２を制御して第１接続管４３と下部接続管４０の第２貯湯槽１０側と湯水の流通を許可する。これにより、第１貯湯槽１０内の湯水は、第１三方弁４１、第２接続管４４、第１接続管４３、及び第２三方弁４２の順に流れ、第２貯湯槽２０内に至ることとなる。   Since it is such a structure, the pump means 50 will further have a function of supplying hot water in the lower part of the first hot water tank 10 to the second hot water tank 20. That is, the first three-way valve 41 is controlled to permit the flow of hot water to the first hot water tank 10 side of the lower connecting pipe 40 and the second hot water tank 10 side of the lower connecting pipe 40, and the second three-way valve 42 is controlled. The first connecting pipe 43 and the lower connecting pipe 40 are allowed to pass through the second hot water storage tank 10 side and hot water. Thereby, the hot water in the 1st hot water storage tank 10 flows in order of the 1st three-way valve 41, the 2nd connection pipe 44, the 1st connection pipe 43, and the 2nd three-way valve 42, and reaches in the 2nd hot water storage tank 20. It becomes.

一方、第１実施形態と同様に、第２貯湯槽２０の下部の湯水を第１貯湯槽１０に供給させる場合には、第１三方弁４１を制御して下部接続管４０の第１貯湯槽１０側と第１接続管４３と湯水の流通を許可すると共に、第２三方弁４２を制御して下部接続管４０の第１貯湯槽１０側と下部接続管４０の第２貯湯槽１０側と湯水の流通を許可する。これにより、第２貯湯槽２０内の湯水は、第２三方弁４２、第２接続管４４、第１接続管４３、及び第１三方弁４１の順に流れ、第１貯湯槽１０内に至ることとなる。   On the other hand, similarly to the first embodiment, when the hot water in the lower part of the second hot water tank 20 is supplied to the first hot water tank 10, the first three-way valve 41 is controlled to control the first hot water tank of the lower connecting pipe 40. 10 side, the 1st connection pipe 43, and the flow of hot water are permitted, the 2nd three way valve 42 is controlled, the 1st hot water tank 10 side of the lower connection pipe 40, the 2nd hot water tank 10 side of the lower connection pipe 40, Allow distribution of hot water. Accordingly, the hot water in the second hot water tank 20 flows in the order of the second three-way valve 42, the second connection pipe 44, the first connection pipe 43, and the first three-way valve 41, and reaches the first hot water tank 10. It becomes.

なお、第２実施形態において貯湯式給湯システム２は、第２給湯配管２４及びミキシングユニット３０を備えておらず、家庭内等には、第１貯湯槽１０内の湯水が第１給湯配管１４を通じて供給される。   In the second embodiment, the hot water storage hot water supply system 2 does not include the second hot water supply pipe 24 and the mixing unit 30, and hot water in the first hot water storage tank 10 passes through the first hot water supply pipe 14 in the home or the like. Supplied.

次に、第２実施形態に係る貯湯式給湯システム２の動作を説明する。図５は、第２実施形態に係る貯湯式給湯システム２の動作を示す図であって、断水等がない平常時における動作を示している。なお、図５に示す太線の配管は湯水が流通する経路を示している。   Next, the operation of the hot water storage type hot water supply system 2 according to the second embodiment will be described. FIG. 5 is a diagram illustrating an operation of the hot water storage type hot water supply system 2 according to the second embodiment, and illustrates an operation in a normal time without water cutoff or the like. In addition, the thick line piping shown in FIG. 5 has shown the path | route through which hot water flows.

まず、第１貯湯槽１０においては、不図示の温度センサからの信号に応じてポンプが動作し、ポンプによって熱媒が熱交換器１１と集熱器１２とで循環させられる。この循環により、熱媒は集熱器１２において加熱され、熱交換器１１において湯水を加熱することとなる。   First, in the first hot water tank 10, a pump operates in response to a signal from a temperature sensor (not shown), and a heat medium is circulated between the heat exchanger 11 and the heat collector 12 by the pump. By this circulation, the heat medium is heated in the heat collector 12, and hot water is heated in the heat exchanger 11.

一方、第２貯湯槽２０においても、不図示の温度センサからの信号に応じてポンプが動作し、ポンプによって熱媒が第２熱交換器２１と排熱機器２２とで循環させられる。この循環により、熱媒は排熱機器２２において加熱され第２熱交換器２１において湯水を加熱することとなる。一方、排熱機器２２は、第２熱交換器２１において湯水を加熱することによって冷却した熱媒により冷却されることとなる。   On the other hand, also in the 2nd hot water storage tank 20, a pump operate | moves according to the signal from a temperature sensor not shown, and a heat medium is circulated with the 2nd heat exchanger 21 and the exhaust heat equipment 22 with a pump. By this circulation, the heat medium is heated in the exhaust heat device 22 and the hot water is heated in the second heat exchanger 21. On the other hand, the exhaust heat device 22 is cooled by the heat medium cooled by heating the hot water in the second heat exchanger 21.

また、第２実施形態においては三方弁４１，４２が制御され、ポンプ手段５０の動作により第１貯湯槽１０の下部の湯水が第２貯湯槽２０に供給される。このため、第２貯湯槽２０内には所定の圧が加わることとなり、上部接続管７１を通じて第２貯湯槽２０の上部の湯水が第１貯湯槽１０に供給される。   In the second embodiment, the three-way valves 41 and 42 are controlled, and the hot water in the lower part of the first hot water tank 10 is supplied to the second hot water tank 20 by the operation of the pump means 50. Therefore, a predetermined pressure is applied to the second hot water tank 20, and the hot water in the upper part of the second hot water tank 20 is supplied to the first hot water tank 10 through the upper connecting pipe 71.

ここで、下部接続管４０は貯湯槽１０，２０の下部同士を接続していることから、第１貯湯槽１０の下部という第１貯湯槽１０内において比較的加熱されていない湯水が第２貯湯槽２０に供給される。これにより、排熱機器２２が例えば燃料電池である場合には、比較的加熱されていない湯水により冷却された熱媒によって燃料電池を冷却して長期運転を可能とすることができる。   Here, since the lower connecting pipe 40 connects the lower portions of the hot water storage tanks 10 and 20, hot water that is not relatively heated in the first hot water storage tank 10, which is the lower part of the first hot water storage tank 10, is the second hot water storage water. It is supplied to the tank 20. Thereby, when the exhaust heat apparatus 22 is a fuel cell, for example, the fuel cell can be cooled by a heat medium cooled by hot water that is relatively unheated to enable long-term operation.

さらに、押し出しによって第２貯湯槽２０の上部という第２貯湯槽２０内において比較的加熱されている湯水を第１貯湯槽１０に供給できる。これにより、太陽熱を利用して加熱された湯水のみならず、第２貯湯槽２０内において比較的加熱された湯水についても、第１給湯配管１４を通じて家庭内等に供給可能となり、家庭内等により多くの量の湯水や高温の湯水を提供することができる。   Furthermore, hot water that is relatively heated in the second hot water tank 20, which is the upper part of the second hot water tank 20, can be supplied to the first hot water tank 10 by extrusion. As a result, not only hot water heated using solar heat but also hot water relatively heated in the second hot water tank 20 can be supplied to the home etc. through the first hot water supply pipe 14. A large amount of hot water or hot water can be provided.

図６は、第２実施形態に係る貯湯式給湯システム２の動作を示す図であって、災害時などの断水が発生したときの動作を示している。なお、図６に示す太線の配管は湯水が流通する経路を示している。   FIG. 6 is a diagram showing an operation of the hot water storage type hot water supply system 2 according to the second embodiment, and shows an operation when a water outage occurs during a disaster or the like. In addition, the thick line piping shown in FIG. 6 has shown the path | route through which hot water flows.

図６に示すように、断水が発生した場合であっても電源が確保されている場合には、図５に示した例と同様に、第１貯湯槽１０内の湯水は加熱されることとなる。しかし、断水が発生しているため、水道圧を得ることができず、第１給湯配管１４から湯水を排出できなくなってしまう。   As shown in FIG. 6, when the power supply is secured even when the water break occurs, the hot water in the first hot water tank 10 is heated as in the example shown in FIG. 5. Become. However, since water cutoff has occurred, the water pressure cannot be obtained, and hot water cannot be discharged from the first hot water supply pipe 14.

そこで、本実施形態に係る貯湯式給湯システム１は、三方弁４１，４２を制御して、第２貯湯槽２０から第１貯湯槽１０への湯水の移動を許可する。そして、ポンプ手段５０が動作することにより、第２貯湯槽２０の下部の湯水が第１貯湯槽１０に供給される。これにより、第１貯湯槽１０では例えば水道圧相当の圧を得ることができ、第１貯湯槽１０の第１給湯配管１４から湯水が送り出されることとなる。   Therefore, the hot water storage hot water supply system 1 according to the present embodiment controls the three-way valves 41 and 42 to permit the movement of hot water from the second hot water tank 20 to the first hot water tank 10. And the hot water of the lower part of the 2nd hot water tank 20 is supplied to the 1st hot water tank 10 by the pump means 50 operating. As a result, in the first hot water tank 10, for example, a pressure corresponding to a water pressure can be obtained, and hot water is sent out from the first hot water supply pipe 14 of the first hot water tank 10.

また、ポンプ手段５０を動作させることにより、分岐管６０を通じてポリタンク等の湯水を第１貯湯槽１０に供給することもできる。この場合においても、第１貯湯槽１０では例えば水道圧相当の圧を得ることができ、第１貯湯槽１０の第１給湯配管１４から湯水が送り出されることとなる。   Also, by operating the pump means 50, hot water such as a poly tank can be supplied to the first hot water tank 10 through the branch pipe 60. Even in this case, in the first hot water tank 10, for example, a pressure equivalent to a water pressure can be obtained, and hot water is sent out from the first hot water supply pipe 14 of the first hot water tank 10.

このようにして、第２実施形態に係る貯湯式給湯システム２によれば、第１実施形態と同様に、断水等の水道圧が得られない場合であっても、家庭内等に湯水を給湯することができ、第２貯湯槽２０内の湯水が無くなった場合であっても、家庭内等に湯水を給湯することができる。   In this way, according to the hot water storage type hot water supply system 2 according to the second embodiment, hot water is supplied to the home or the like even when the water pressure such as water shutoff cannot be obtained as in the first embodiment. Even if the hot water in the second hot water storage tank 20 runs out, hot water can be supplied to the home or the like.

また、第１貯湯槽１０と第２貯湯槽２０との上部同士を接続する上部接続管７１をさらに備え、第２貯湯槽２０は、排熱を利用して加熱された湯水を貯湯し、ポンプ手段５０は、第１貯湯槽１０の下部の湯水を第２貯湯槽２０に供給させる機能をさらに有する。これにより、ポンプ手段５０により第１貯湯槽１０の下部の湯水を第２貯湯槽２０に供給させた場合には、第１貯湯槽１０の下部という第１貯湯槽１０内において比較的加熱されていない湯水を第２貯湯槽２０に供給できる。このため、第２貯湯槽２０が燃料電池の排熱を利用して湯水を加熱している場合には、比較的加熱されていない湯水を利用して燃料電池を冷却し燃料電池の長期運転を可能とすることができる。さらに、押し出しによって第２貯湯槽２０の上部という第２貯湯槽２０内において比較的加熱されている湯水を第１貯湯槽１０に供給できる。これにより、太陽熱を利用して加熱された湯水のみならず、第２貯湯槽２０内において加熱された湯水についても、第１給湯配管１４を通じて家庭内等に供給可能となり、家庭内等に湯水をより提供することができる。   Moreover, the upper connection pipe 71 which connects the upper parts of the 1st hot water storage tank 10 and the 2nd hot water storage tank 20 is further provided, and the 2nd hot water storage tank 20 stores the hot water heated using waste heat, and pumps it. The means 50 further has a function of supplying hot water in the lower part of the first hot water tank 10 to the second hot water tank 20. Thereby, when the hot water in the lower part of the first hot water tank 10 is supplied to the second hot water tank 20 by the pump means 50, the hot water is relatively heated in the first hot water tank 10 as the lower part of the first hot water tank 10. No hot water can be supplied to the second hot water tank 20. For this reason, when the 2nd hot water storage tank 20 is heating hot water using the exhaust heat of a fuel cell, the fuel cell is cooled using the hot water which is not heated comparatively, and long-term operation of a fuel cell is carried out. Can be possible. Furthermore, hot water that is relatively heated in the second hot water tank 20, which is the upper part of the second hot water tank 20, can be supplied to the first hot water tank 10 by extrusion. As a result, not only hot water heated using solar heat but also hot water heated in the second hot water storage tank 20 can be supplied to the home etc. through the first hot water supply pipe 14, and hot water can be supplied to the home etc. More can be provided.

以上、実施形態に基づき本発明を説明したが、本発明は上記実施形態に限られるものではなく、本発明の趣旨を逸脱しない範囲で、変更を加えてもよいし、各実施形態を組み輪あせてもよい。   The present invention has been described based on the embodiments. However, the present invention is not limited to the above embodiments, and modifications may be made without departing from the spirit of the present invention. You may fade.

例えば、本実施形態において排熱機器２２は燃料電池に限られず、他の機器であってもよい。また、第２実施形態において貯湯槽１０，２０の下部側と接続する配管については、図示したものに限られず、例えば単に２本の配管で貯湯槽１０，２０の下部同士を接続し、一方の配管により第１貯湯槽１０から第２貯湯槽２０に湯水を供給させ、他方の配管により第２貯湯槽２０から第１貯湯槽１０に湯水を供給させる構成であってもよいし、その他の構成であってもよい。   For example, in the present embodiment, the exhaust heat device 22 is not limited to a fuel cell, and may be another device. Moreover, about the piping connected with the lower part side of the hot water storage tanks 10 and 20 in 2nd Embodiment, it is not restricted to what was illustrated, for example, the lower parts of the hot water storage tanks 10 and 20 are connected with only two pipes, The hot water may be supplied from the first hot water tank 10 to the second hot water tank 20 through a pipe, and the hot water may be supplied from the second hot water tank 20 to the first hot water tank 10 through the other pipe. It may be.

本実施形態において第１貯湯槽１０及び第２貯湯槽２０内の湯水は熱媒を介して加熱されているが、特にこれに限らず、熱媒を利用せず、集熱器１２や排熱機器２２によって直接冷水を加熱するものであってもよい。   In the present embodiment, the hot water in the first hot water tank 10 and the second hot water tank 20 is heated via a heat medium. However, the present invention is not limited to this, and the heat collector 12 and exhaust heat are not used without using the heat medium. The device 22 may heat the cold water directly.

また、第１実施形態に係る貯湯式給湯システム１は排熱機器２２を備えない構成であるが、第２貯湯槽２０側に排熱機器２２を備えていてもよい。また、上記実施形態において貯湯槽１０，２０は２つであるが、これに限らず、３つ以上を備えていてもよい。   Moreover, although the hot water storage type hot water supply system 1 which concerns on 1st Embodiment is a structure which is not provided with the exhaust heat equipment 22, you may provide the exhaust heat equipment 22 in the 2nd hot water storage tank 20 side. Moreover, in the said embodiment, although the hot water storage tanks 10 and 20 are two, not only this but 3 or more may be provided.

さらに、第１貯湯槽１０は、太陽熱エネルギーを利用して内部の湯水を加熱する構成であるが、これに限らず、風力、波力・潮力、流水・潮汐、地熱、バイオマス等の他の再生可能エネルギーによって加熱する構成であってもよい。   Furthermore, the first hot water tank 10 is configured to heat the internal hot water using solar thermal energy, but is not limited to this, and other wind power, wave power / tidal power, running water / tide, geothermal heat, biomass, etc. The structure heated with renewable energy may be sufficient.

１，２…貯湯式給湯システム
１０…第１貯湯槽
１１…熱交換器
１２…集熱器
１３…給水配管
１４…第１給湯配管
２０…第２貯湯槽
２１…第２熱交換器
２２…排熱機器
２３…給水配管
２４…第２給湯配管
３０…ミキシングユニット
４０…下部接続管
４１，４２…三方弁
４３，４４…接続管
５０…ポンプ手段
６０…分岐管
６１…逆止弁
７１…上部接続管
７２…逆止弁 DESCRIPTION OF SYMBOLS 1, 2 ... Hot water storage type hot water supply system 10 ... 1st hot water tank 11 ... Heat exchanger 12 ... Heat collector 13 ... Water supply pipe 14 ... 1st hot water supply pipe 20 ... 2nd hot water tank 21 ... 2nd heat exchanger 22 ... Exhaust Heat equipment 23 ... Water supply pipe 24 ... Second hot water supply pipe 30 ... Mixing unit 40 ... Lower connection pipes 41,42 ... Three-way valves 43,44 ... Connection pipe 50 ... Pump means 60 ... Branch pipe 61 ... Check valve 71 ... Upper connection Pipe 72 ... Check valve

Claims (3)

再生可能エネルギーを利用して加熱された湯水を貯湯する第１貯湯槽と、
前記第１貯湯槽から排出される湯水が流通する給湯配管と、
湯水を貯湯可能な第２貯湯槽と、を備えた貯湯式給湯システムであって、
前記第１貯湯槽と前記第２貯湯槽との下部同士を接続する下部接続管と、
前記下部接続管に設けられ前記第２貯湯槽下部の湯水を前記第１貯湯槽に供給させるポンプ手段と、
を備えることを特徴とする貯湯式給湯システム。 A first hot water tank for storing hot water heated using renewable energy;
A hot water supply pipe through which hot water discharged from the first hot water tank flows;
A hot water storage system comprising a second hot water storage tank capable of storing hot water,
A lower connecting pipe connecting lower portions of the first hot water tank and the second hot water tank;
Pump means provided in the lower connecting pipe for supplying hot water in the lower part of the second hot water tank to the first hot water tank;
A hot water storage hot water supply system characterized by comprising: 前記下部接続管のうち前記ポンプ手段よりも第２貯湯槽側に一端が接続され他端が開放された分岐管をさらに備える
ことを特徴とする請求項１に記載の貯湯式給湯システム。 The hot water storage hot water supply system according to claim 1, further comprising a branch pipe having one end connected to the second hot water storage tank side of the lower connecting pipe and the other end opened relative to the pump unit. 前記第１貯湯槽と前記第２貯湯槽との上部同士を接続する上部接続管をさらに備え、
前記第２貯湯槽は、排熱を利用して加熱された湯水を貯湯し、
前記ポンプ手段は、前記第１貯湯槽下部の湯水を前記第２貯湯槽に供給させる機能をさらに有し、前記第１貯湯槽下部の湯水を前記第２貯湯槽に供給することにより、前記上部接続管を通じて前記第２貯湯槽上部の湯水を前記第１貯湯槽に供給する
ことを特徴とする請求項１又は請求項２のいずれかに記載の貯湯式給湯システム。 An upper connecting pipe for connecting upper portions of the first hot water tank and the second hot water tank;
The second hot water storage tank stores hot water heated using exhaust heat,
The pump means further has a function of supplying hot water in the lower part of the first hot water tank to the second hot water tank, and supplying the hot water in the lower part of the first hot water tank to the second hot water tank, The hot water storage hot water supply system according to claim 1 or 2, wherein hot water in the upper part of the second hot water storage tank is supplied to the first hot water storage tank through a connecting pipe.
JP2013130490A 2013-06-21 2013-06-21 Hot water storage hot water supply system Active JP6185766B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013130490A JP6185766B2 (en) 2013-06-21 2013-06-21 Hot water storage hot water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013130490A JP6185766B2 (en) 2013-06-21 2013-06-21 Hot water storage hot water supply system

Publications (2)

Publication Number Publication Date
JP2015004485A true JP2015004485A (en) 2015-01-08
JP6185766B2 JP6185766B2 (en) 2017-08-23

Family

ID=52300535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013130490A Active JP6185766B2 (en) 2013-06-21 2013-06-21 Hot water storage hot water supply system

Country Status (1)

Country Link
JP (1) JP6185766B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016186411A (en) * 2015-03-27 2016-10-27 矢崎エナジーシステム株式会社 Solar heat utilization hot water supply system
JP2017181023A (en) * 2017-06-16 2017-10-05 三浦工業株式会社 Fuel cell system
JP2019003855A (en) * 2017-06-16 2019-01-10 三浦工業株式会社 Fuel cell system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151056U (en) * 1983-03-29 1984-10-09 株式会社クボタ Solar thermal water heating device
JPS6091155A (en) * 1983-10-25 1985-05-22 Matsushita Electric Ind Co Ltd Hot water supplying device
JPH1114149A (en) * 1997-06-23 1999-01-22 Toshiba Corp Electric hot water equipment
JP2010262834A (en) * 2009-05-07 2010-11-18 Secom Co Ltd Power generation system, and auxiliary unit
JP2011191039A (en) * 2010-03-16 2011-09-29 Mitsubishi Electric Corp Hot water storage type water heater system
JP2013108630A (en) * 2011-11-17 2013-06-06 Corona Corp Hot-water storage type hot-water supply apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151056U (en) * 1983-03-29 1984-10-09 株式会社クボタ Solar thermal water heating device
JPS6091155A (en) * 1983-10-25 1985-05-22 Matsushita Electric Ind Co Ltd Hot water supplying device
JPH1114149A (en) * 1997-06-23 1999-01-22 Toshiba Corp Electric hot water equipment
JP2010262834A (en) * 2009-05-07 2010-11-18 Secom Co Ltd Power generation system, and auxiliary unit
JP2011191039A (en) * 2010-03-16 2011-09-29 Mitsubishi Electric Corp Hot water storage type water heater system
JP2013108630A (en) * 2011-11-17 2013-06-06 Corona Corp Hot-water storage type hot-water supply apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016186411A (en) * 2015-03-27 2016-10-27 矢崎エナジーシステム株式会社 Solar heat utilization hot water supply system
JP2017181023A (en) * 2017-06-16 2017-10-05 三浦工業株式会社 Fuel cell system
JP2019003855A (en) * 2017-06-16 2019-01-10 三浦工業株式会社 Fuel cell system

Also Published As

Publication number Publication date
JP6185766B2 (en) 2017-08-23

Similar Documents

Publication Publication Date Title
JP4513754B2 (en) Hybrid hot water supply system
JP6185766B2 (en) Hot water storage hot water supply system
CN207515028U (en) A kind of central water heating device integrated for warm domestic hot-water
JP2007003125A (en) Hot water supply system
CN205536068U (en) Heating system is united with two electric boilers to phase change energy storage equipment
JP6570874B2 (en) Heat storage system
KR101320871B1 (en) Automatic watering system of heat storage tank
KR101168542B1 (en) Solar thermal energy hot water system equipped heat storage tank in apartment and control method thereof
EP2722596B1 (en) Heating installation and method related thereto
KR101090376B1 (en) Heating system by solar energy
JP2005308250A (en) Heat pump water heater
JP6280787B2 (en) Cogeneration system
JP2014092326A (en) Hybrid type hot water supply system
CN203797763U (en) Solar, electric and combustion medium hybrid heat and domestic hot water supply unit
JP2013142491A (en) Hot water supply and heating apparatus
JP6143092B2 (en) Hot water storage system
CN105674563A (en) Multi-energy complementation double-inner-container water tank system with reversing valve
JP2015040686A (en) Water storage tank system
JP2016186411A (en) Solar heat utilization hot water supply system
JP2016031197A (en) Hot water storage system
JP2013069598A (en) Cogeneration system
JP6458541B2 (en) Heat distribution unit for heating circuit
JP6125877B2 (en) Heat source equipment
JP6191352B2 (en) Hot water storage system
JP6215504B1 (en) Hot water system

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160419

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170119

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170214

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170328

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20170725

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170728

R150 Certificate of patent or registration of utility model

Ref document number: 6185766

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250