JP3594261B2

JP3594261B2 - Operation control method and device for hot water heating system

Info

Publication number: JP3594261B2
Application number: JP14619395A
Authority: JP
Inventors: 香奈子中山; 義裕須藤; 雅石本
Original assignee: Tokyo Gas Co Ltd
Current assignee: Tokyo Gas Co Ltd
Priority date: 1995-06-13
Filing date: 1995-06-13
Publication date: 2004-11-24
Anticipated expiration: 2019-11-24
Also published as: JPH08338637A

Description

【０００１】
【産業上の利用分野】
本発明は、複数の端末を出湯温度調節自在の一台の熱源機を用いて運転する温水式暖房装置における運転制御方法及びその装置に関する。
【０００２】
【従来の技術】
一台の熱源機に複数台の端末を接続した温水式暖房装置であって、例えば端末が床暖房装置の場合、運転開始から室温が設定温度になるまでの所謂立上がり時には約８０℃の温水を供給し、その後の定常運転時には約６０℃の温水を供給するようになっている。
図４は、この従来の温水式暖房装置の例であって、１は出湯温度を約８０℃と約６０℃に制御自在の熱源機、２はガスバーナ、３は高温側出湯管、４は低温側出湯管、５は低温側出湯管４に取り付けられた温水ヘッダーであって、この温水ヘッダー５は端末ごとに設けられた配管接続口６と、個々に取り付けられた開閉弁７から成る。８は熱交換器、９は各端末からの戻り管、１０は循環ポンプ、１１は高温出湯管３と戻り管９を結ぶバイパス、１２はシスターン、１３、１４は温度センサであって、熱源機１が高温に制御されている場合には、温水ヘッダー５からすべての端末（床暖房）へは高温の湯が供給され、低温に制御されている場合には、すべての端末へは低温の湯が一律に供給される構成である。
【０００３】
【発明が解決しようとする課題】
このため、上記温水式暖房装置の場合、次のような欠点がある。
いま、端末Ａ、Ｂ（室）が定常運転状態にあり、熱源機１から６０℃の温水が供給されている時に、端末Ｃの運転が開始すると、定常運転中のＡ室、Ｂ室を優先させていることから、Ｃ室には６０℃の温水がそのまま供給される。このため、Ｃ室の立上がり運転は６０℃で行われることになる。したがって、床暖房が単独で立上がるときの温水温度を仮に８０℃とすると、Ｃ室の床暖房はそれ単独で運転を開始したときの立上がり時に比べて立上がりが非常に遅くなる。
【０００４】
【課題を解決するための手段】
本発明は、上記課題を解決するのが目的であって、その構成は次のとおりである。
１．出湯温度を制御自在に構成した一台の熱源機から複数台の端末に温水を供給すると共に、この温水の供給は、前記熱源機の出湯側を分岐して各端末を温水配管で並列に結び、かつ前記温水配管の分岐部に夫々の端末ごとに開閉弁を取り付けて成る温水式暖房装置において、
既に低温で定常運転中の端末が存在する間に新規に運転を開始した端末があった場合、この新規に運転を開始した端末が定常運転に移行するまでは、既に定常運転中の端末に対する温水の供給を制限しながら前記熱源機を高温運転に制御する温水式暖房装置の運転制御方法。
【０００５】
２．出湯温度を制御自在に構成した一台の熱源機から複数台の端末に温水を供給すると共に、この温水の供給は、前記熱源機の出湯側を分岐して各端末を温水配管で並列に結び、かつ前記温水配管の分岐部に夫々の端末ごとに開閉弁を取り付けて成る温水式暖房装置において、
既に低温で定常運転中の端末が存在する間に新規に運転を開始した端末があった場合、この新規に運転を開始した端末が定常運転に移行するまでは、既に定常運転中の端末の開閉弁が閉に作動している間のみ熱源機の運転を高温に制御し、既に定常運転中の端末の開閉弁が開に作動している間は低温運転に制御する温水式暖房装置の運転制御方法。
【０００６】
３．既に定常運転中の端末が複数台あった場合、この複数台の端末の開閉弁の開のタイミングを一致させ、すべての開閉弁が閉のときにのみ熱源機の運転を高温に制御する前記２記載の温水式暖房装置の運転制御方法。
【０００７】
４．出湯温度を制御自在に構成した一台の熱源機から複数台の端末に温水を供給すると共に、この温水の供給は、前記熱源機の出湯側を分岐して各端末を温水配管で並列に結び、かつ前記温水配管の分岐部に夫々の端末ごとに開閉弁を取り付けて成る温水式暖房装置において、
既に低温で定常運転中の端末が存在する間に新規に運転を開始した端末があった場合、この新規に運転を開始した端末が定常運転に移行するまでは、前記熱源機を高温運転に制御すると共に、既に定常運転に入っている端末の開閉弁の開時間を、あらかじめ計算された定常運転中に必要とする放熱量になる時間だけ開に制御する温水式暖房装置の運転制御方法。
【０００８】
５．出湯温度を制御自在に構成した一台の熱源機から複数台の端末に温水を供給すると共に、この温水の供給は、前記熱源機の出湯側を分岐して各端末を温水配管で並列に結び、かつ前記温水配管の分岐部に夫々の端末ごとに開閉弁を取り付けて成る温水式暖房装置において、
あらかじめ各端末ごとに運転の優先順位を決定しておき、既に低温で定常運転中の端末が存在する間に新規に運転を開始した端末があった場合、この新規に運転を開始した端末が定常運転中の端末よりその優先順位が上位のときにのみ新たに運転を開始した端末が定常運転に移行するまでは、既に定常運転中の端末に対する温水の供給を制限しながら前記熱源機を高温運転に制御する温水式暖房装置の運転制御方法。
【０００９】
６．熱源機を高温に制御した際、既に定常運転中の端末の開閉弁の開時間を、あらかじめ計算された定常運転時の放熱量になる時間だけ開に制御する前記５記載の温水式暖房装置の運転制御方法。
【００１０】
７．新たに運転を開始した端末の優先順位が下位の場合、既に定常運転中の端末の開閉弁が閉の間のみ熱源機を高温運転に制御する前記５記載の温水式暖房装置の運転制御方法。
【００１１】
８．優先順位を手動で設定する前記５又は６又は７記載の温水式暖房装置の運転制御方法。
【００１２】
９．優先順位を各端末が設置された室内の環境条件により自動的に設定する前記５又は６又は７記載の温水式暖房装置の運転制御方法。
【００１３】
１０．優先順位を、新たに運転を開始した端末の暖房対象室内の温度により決定する前記５又は６又は７記載の温水式暖房装置の運転制御方法。
【００１４】
１１．各端末が設置された室内の立上がり時の温度変化を時系列的に検出することにより各室の温まりやすさを求めて記憶しておき、既に定常運転中の端末が存在する間に新規に運転を開始した端末があった場合、温まりにくい室内の端末を優先順位上位に設定して熱源機の運転を行う前記５又は６又は７記載の温水式暖房装置の運転制御方法。
【００１５】
１２．出湯温度制御自在の熱源機と、
前記熱源機から供給される温水を配管接続口に分配するヘッダーと、
前記配管接続口に夫々取り付けられた開閉弁と、
前記ヘッダーの配管接続口に配管を介して夫々結ばれた端末と、
既に低温で定常運転中の端末があった場合、新たに運転を開始した端末が定常運転に移行するまでの間、定常運転中の端末に対する温水の供給を制限しながら熱源機を高温運転に制御する運転制御回路と、
から成る温水式暖房装置の運転制御装置。
【００１６】
１３．新たに運転を開始した端末があった場合、既に定常運転中の端末の開閉弁が開の間だけ熱源機を高温運転に制御するように運転制御回路を構成して成る前記１２記載の温水式暖房装置の運転制御装置。
【００１７】
１４．既に定常運転中の端末が複数あった場合、これら複数の端末の開閉弁の開のタイミングを一致させると共に、すべての開閉弁が閉の間のみ熱源機を高温運転に制御するように運転制御回路を構成して成る前記１２記載の温水式暖房装置の運転制御装置。
【００１８】
１５．各端末にあらかじめ優先順位をつけてこの優先順位に基づいて新たに運転を開始した端末の優先順位を判定し、この優先順位が既に定常運転中の端末よりも上位のときには熱源機の運転を高温運転に制御すると共に、既に定常運転中の端末の開閉弁の開時間を、あらかじめ計算された定常運転時の放熱量になる時間だけ開になるように運転制御回路を構成して成る前記１２記載の温水式暖房装置の運転制御装置。
【００１９】
１６．端末が床暖房装置又は室内放熱器から成る前記１又は２又は３又は４又は５又は６又は７又は８又は９又は１０又は１１記載の温水式暖房装置の運転制御方法。
【００２０】
１７．端末が床暖房装置又は室内放熱器から成る前記１２又は１３又は１４又は１５記載の温水式暖房装置の運転制御装置。
【００２１】
【作用】
熱源機で加熱された温水は、温水ヘッダーから各温水配管を経由して端末に供給され、ここで放熱を行い、温水戻り管を経由して温水戻りヘッダーで集合し、熱源機へ戻る。熱源機は、運転制御回路により、その運転が制御されるものであって、既に定常運転（低温運転）に移行して６０℃の温水を供給する運転中に新たに運転を開始した端末があった場合には、この新たに運転を開始した端末が定常運転に移行するまでの立上がり時間は８０℃の高温運転に制御される。
【００２２】
【実施例】
図１は本発明を実施した温水式暖房装置の実施例であって、１は出湯温度を約８０℃と約６０℃に制御自在の熱源機、２はガスバーナ、３は高温側出湯管であって、この先は温水ヘッダー５ａを経由して例えば室内放熱器に結ばれている。４は低温側出湯管、５は低温側出湯管４に取り付けられた温水ヘッダーであって、この温水ヘッダー５は、図２に示すように、Ａ・Ｂ・Ｃ室床暖房への配管接続口６と、各開閉弁７（Ａ、Ｂ、Ｃ）から成る。図１及び図２において、８は熱交換器、９は各端末からの戻り管、９ａは戻りヘッダー、１０は循環ポンプ、１１はバイパス、１２はシスターン、１３、１４は温度センサ、１５、１５ａ、１５ｂはＡ・Ｂ・Ｃ室の床暖房（端末）である。
１６は運転制御回路（装置）であって、この運転制御回路１６は、次の如き運転制御を行う。なお、以下の説明において、床暖房１５を端末Ａ、床暖房１５ａを端末Ｂ、床暖房１５ｂを端末Ｃと称す。
【００２３】
運転例１
既に低温（約６０℃）で定常運転中の端末Ａ（１５）が存在する間に新規に運転を開始した端末Ｂ（１５ａ）があった場合、この新規に運転を開始した端末Ｂが定常運転に移行するまでは、端末Ａに対する温水の供給量を定常運転時の放熱量になるように制限しながら、熱源機１を高温（約８０℃）運転に制御する。
【００２４】
運転例２
既に低温で定常運転中の端末Ａが存在する間に新規に運転を開始した端末Ｂがあった場合、この新規に運転を開始した端末Ｂが定常運転に移行するまでは、定常運転中の端末Ａの開閉弁Ａ（６）が閉に作動している間のみ熱源機１の運転を高温に制御し、開に作動している間は低温運転に制御する。
【００２５】
運転例３
定常運転中の端末がＡ・Ｂと複数台あり、端末Ｃ（１５ｂ）の運転が開始した場合、端末Ａ・Ｂの開閉弁Ａ・Ｂの開のタイミングを一致させ、開閉弁Ａ・Ｂが閉のときにのみ熱源機１の運転を高温に制御して端末Ｃの立上がり運転を行う。図３は、この制御例のタイミングチャートであって、定常運転中の端末Ａの開閉弁Ａの開時間が１０分、端末Ｂの開閉弁Ｂの開時間が８分で運転中に端末Ｃが運転を開始すると、端末Ａ・Ｂの開閉弁Ａ・Ｂの開のタイミングを一致させ、開閉弁Ａ・Ｂともに閉の状態にあるときのみ熱源機１を高温８０℃で運転し、何れかが開いている間は低温（約６０℃）で運転を行う。
【００２６】
運転例４
既に低温で定常運転中の端末Ａ・Ｂが存在する間に新規に運転を開始した端末Ｃがあった場合、この新規に運転を開始した端末Ｃが定常運転に移行するまでは、前記熱源機１を高温運転に制御すると共に、既に定常運転に入っている端末Ａ・Ｂの開閉弁Ａ・Ｂの開時間を、あらかじめ計算された定常運転中に必要とする放熱量になる時間だけ開に制御する。
【００２７】
運転例５
あらかじめ各端末Ａ・Ｂ・Ｃごとに運転の優先順位を決定しておき、既に低温で定常運転中の端末Ａ・Ｂが存在する間に新規に運転を開始した端末Ｃがあった場合、この新規に運転を開始した端末Ｃが定常運転中の端末Ａ・Ｂよりその優先順位が上位のときにのみ新たに運転を開始した端末Ｃが定常運転に移行するまでは、定常運転中の端末Ａ・Ｂに対する温水の供給を制限しながら熱源機１を高温運転に制御する。
【００２８】
運転例６
熱源機１を高温に制御した際、既に定常運転中の端末Ａ・Ｂの開閉弁Ａ・Ｂの開時間を、あらかじめ計算された定常運転時の放熱量になる時間だけ開に制御する。
【００２９】
運転例７
新たに運転を開始した端末Ｃの優先順位が端末Ａ・Ｂより下位の場合、既に定常運転中の端末Ａ・Ｂの開閉弁Ａ・Ｂが閉の間のみ熱源機１を高温運転に制御する。
なお、前記優先順位は手動で設定してもよいし、優先順位を各端末Ａ・Ｂ・Ｃが設置された室内の環境条件により自動的に設定するようにしてもよい。或いは、新たに運転を開始した例えば端末Ｃの暖房対象室内の温度により決定するようにしてもよい。或いは、各端末Ａ・Ｂ・Ｃが設置された室内の立上がり時の温度変化を時系列的に検出することにより各室の温まりやすさを求めて記憶しておき、既に定常運転中の端末Ａ・Ｂが存在する間に新規に運転を開始した端末Ｃがあった場合、温まりにくい室内の端末例えばＣを優先順位上位に設定する。
【００３０】
【発明の効果】
本発明は以上のように、既に定常運転中の端末が存在する間に新規に運転を開始した端末があった場合、前記運転例１〜７に基づいて熱源機の運転を行うため、従来のように低温水だけで立上がるということがない。よって、既に定常運転中の端末があった場合に問題とされて来た新規に運転を開始した端末の室温がなかなか上昇しないという欠点が改善される。
【図面の簡単な説明】
【図１】本発明を実施した温水式暖房装置の説明図。
【図２】熱源機と温水ヘッダー部分の説明図。
【図３】運転例３の説明図。
【図４】従来の温水式暖房装置の説明図。
【符号の説明】
１熱源機
２ガスバーナ
３高温側出湯管
４低温側出湯管
５温水ヘッダー
８熱交換器
９戻り管
９ａ戻りヘッダー
１０循環ポンプ
１１バイパス
１２シスターン
１３、１４温度センサ
１５、１５ａ、１５ｂ床暖房
１６運転制御回路[0001]
[Industrial applications]
The present invention relates to an operation control method and apparatus for a hot-water type heating apparatus that operates a plurality of terminals using a single heat source device capable of adjusting tap water temperature.
[0002]
[Prior art]
A hot water heating device in which a plurality of terminals are connected to one heat source device, for example, in the case where the terminal is a floor heating device, so-called hot water of about 80 ° C. at the time of so-called rising from the start of operation until the room temperature reaches the set temperature. The hot water of about 60 ° C. is supplied during the steady operation thereafter.
FIG. 4 shows an example of this conventional hot water type heating apparatus, in which 1 is a heat source unit capable of controlling a tapping temperature to about 80 ° C. and about 60 ° C., 2 is a gas burner, 3 is a hot tapping pipe, and 4 is a low temperature tapping pipe. The side tapping pipes 5 and 5 are hot water headers attached to the low temperature tapping pipe 4, and the hot water headers 5 include a pipe connection port 6 provided for each terminal and an open / close valve 7 individually attached. 8 is a heat exchanger, 9 is a return pipe from each terminal, 10 is a circulation pump, 11 is a bypass connecting the high-temperature tapping pipe 3 and the return pipe 9, 12 is a cistern, 13 and 14 are temperature sensors, and a heat source unit. When 1 is controlled to a high temperature, high-temperature hot water is supplied from the hot water header 5 to all terminals (floor heating), and when controlled to a low temperature, low-temperature hot water is supplied to all terminals. Are uniformly supplied.
[0003]
[Problems to be solved by the invention]
For this reason, the above-mentioned hot water type heating device has the following disadvantages.
Now, when the terminals A and B (rooms) are in the steady operation state and the operation of the terminal C is started while the hot water of 60 ° C. is supplied from the heat source unit 1, the rooms A and B in the steady operation are prioritized. Therefore, the warm water of 60 ° C. is supplied to the room C as it is. Therefore, the rising operation of the room C is performed at 60 ° C. Therefore, if the hot water temperature when the floor heating rises alone is assumed to be 80 ° C., the floor heating in the room C rises much slower than the rise when the operation is started alone.
[0004]
[Means for Solving the Problems]
An object of the present invention is to solve the above problems, and the configuration is as follows.
1. Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
If there is a terminal that has started a new operation while a terminal that is already operating at a low temperature already exists, until the terminal that has started a new operation transitions to the normal operation, the hot water is supplied to the terminal that is already operating at a normal operation. Operation control method for a hot-water type heating device for controlling the heat source unit to a high-temperature operation while restricting the supply of water.
[0005]
2. Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
If there is a terminal that has started a new operation while a terminal that is already operating at a low temperature already exists, the terminal that is already operating normally will be opened and closed until the newly started terminal shifts to the normal operation. Operation control of a hot water heating system that controls the operation of the heat source unit to a high temperature only when the valve is operating closed, and controls it to operate at a low temperature when the on-off valve of the terminal that is already in steady operation is open. Method.
[0006]
3. When there are a plurality of terminals that are already in a steady operation, the timing of opening the on-off valves of the plurality of terminals is matched, and the operation of the heat source unit is controlled to a high temperature only when all the on-off valves are closed. An operation control method for the hot water heating apparatus according to the above.
[0007]
4. Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
If there is a terminal that has newly started operation while a terminal that is already operating at a low temperature is already operating, the heat source unit is controlled to a high-temperature operation until the newly started terminal shifts to a normal operation. In addition, an operation control method for a hot-water heating apparatus that controls an opening time of an on-off valve of a terminal that is already in a steady operation to be opened only for a time that is a heat release amount required during a steady operation calculated in advance.
[0008]
5. Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
The priorities of operation are determined in advance for each terminal, and if there is a terminal that has newly started operation while there is a terminal that is already operating at a low temperature, this newly started terminal Until the terminal that newly started operation only when its priority is higher than the terminal that is operating shifts to the steady operation, the high-temperature operation of the heat source unit is performed while restricting the supply of hot water to the terminal that is already operating normally. Method for controlling the operation of a hot-water heating system controlled in a controlled manner.
[0009]
6. When the heat source unit is controlled to a high temperature, the open time of the on-off valve of the terminal already in the steady operation is controlled to be opened only for a time period corresponding to a previously calculated heat release amount in the steady operation. Operation control method.
[0010]
7. 6. The operation control method for a hot-water heating apparatus according to claim 5, wherein when the terminal that has newly started operation has a lower priority, the heat source unit is controlled to the high-temperature operation only while the on-off valve of the terminal that is already in steady operation is closed.
[0011]
8. The operation control method for a hot water heating apparatus according to the above item 5, 6 or 7, wherein the priority is manually set.
[0012]
9. 8. The operation control method for a hot water heating apparatus according to the above item 5, 6 or 7, wherein the priority order is automatically set according to the environmental conditions in the room where each terminal is installed.
[0013]
10. The operation control method for a hot water heating apparatus according to the above item 5, 6 or 7, wherein the priority order is determined based on the temperature in the room to be heated of the terminal that has newly started operation.
[0014]
11. The temperature change at the time of start-up of the room where each terminal is installed is detected in a time series, and the degree of warming of each room is obtained and stored, and a new operation is performed while a terminal that is already in a steady operation exists. 8. The operation control method for a hot-water heating apparatus according to the above item 5, 6 or 7, wherein when there is a terminal that has started, a terminal in a room that is difficult to warm is set to a higher priority and the heat source unit is operated.
[0015]
12. A heat source unit that can control the temperature of hot water,
A header that distributes hot water supplied from the heat source device to a pipe connection port,
On-off valves respectively attached to the pipe connection port,
Terminals respectively connected to the piping connection port of the header via piping,
If there is a terminal that is already in steady operation at low temperature, control the heat source unit to high temperature operation while restricting the supply of hot water to the terminal that is in steady operation until the newly started terminal transitions to steady operation. Operation control circuit,
An operation control device for a hot water heating system comprising:
[0016]
13. The hot-water system according to the above item 12, wherein the operation control circuit is configured to control the heat source unit to the high-temperature operation only while the on-off valve of the terminal already in the steady operation is opened when there is a terminal that has newly started operation. Operation control device for heating system.
[0017]
14． If there are a plurality of terminals that are already in steady operation, the operation control circuit controls the heat source unit to the high-temperature operation only while all of the on-off valves are closed, while matching the opening timing of the on-off valves of the plurality of terminals. 13. The operation control device for a hot water type heating device according to the above item 12, comprising:
[0018]
15. Prioritize each terminal in advance and determine the priority of the terminal that has newly started operation based on this priority.If this priority is higher than the terminal that is already operating normally, the operation of the heat source 13. The operation control circuit according to the above item 12, wherein the operation control circuit is configured to control the operation and to open the on-off valve of the terminal that is already in a steady operation for a time that is a previously calculated heat release amount in the steady operation. Operation control device for hot water heating system.
[0019]
16. 12. The operation control method for a hot-water heating apparatus according to the above 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11, wherein the terminal comprises a floor heating apparatus or an indoor radiator.
[0020]
17． 16. The operation control device for a hot water heating device according to the above item 12, 13 or 14 or 15, wherein the terminal comprises a floor heating device or an indoor radiator.
[0021]
[Action]
The hot water heated by the heat source device is supplied from the hot water header to the terminal via each hot water pipe, radiates heat there, gathers at the hot water return header via the hot water return pipe, and returns to the heat source device. The operation of the heat source unit is controlled by the operation control circuit, and there is a terminal that has already started the operation during the operation of supplying the 60 ° C. hot water after shifting to the steady operation (low temperature operation). In this case, the rising time until the newly started terminal shifts to the steady operation is controlled to the high temperature operation of 80 ° C.
[0022]
【Example】
FIG. 1 shows an embodiment of a hot water type heating apparatus embodying the present invention, in which 1 is a heat source device capable of controlling a tapping temperature to about 80 ° C. and about 60 ° C., 2 is a gas burner, and 3 is a hot tapping pipe. The end is connected to, for example, an indoor radiator via a hot water header 5a. Reference numeral 4 denotes a low-temperature tapping pipe, and reference numeral 5 denotes a hot water header attached to the low-temperature tapping pipe 4. As shown in FIG. 2, this hot water header 5 has a pipe connection port to the A, B, and C room floor heating. 6 and each on-off valve 7 (A, B, C). 1 and 2, 8 is a heat exchanger, 9 is a return pipe from each terminal, 9a is a return header, 10 is a circulating pump, 11 is a bypass, 12 is a cistern, 13 and 14 are temperature sensors, and 15 and 15a. , 15b are floor heatings (terminals) of rooms A, B and C.
Reference numeral 16 denotes an operation control circuit (apparatus). The operation control circuit 16 performs the following operation control. In the following description, the floor heating 15 is referred to as a terminal A, the floor heating 15a is referred to as a terminal B, and the floor heating 15b is referred to as a terminal C.
[0023]
Operation example 1
If there is a terminal B (15a) that has started a new operation while a terminal A (15) that is already operating at a low temperature (about 60 ° C.) is in a steady operation, the terminal B that has started a new operation is in a steady operation. Until the operation shifts to, the heat source unit 1 is controlled to operate at a high temperature (about 80 ° C.) while restricting the amount of hot water supplied to the terminal A to the amount of heat radiation during the steady operation.
[0024]
Operation example 2
If there is a terminal B that has newly started operation while a terminal A that is already in steady operation at a low temperature is present, the terminal B that has been in steady operation until the newly started terminal B shifts to steady operation. The operation of the heat source unit 1 is controlled to a high temperature only while the on-off valve A (6) of A is operating to be closed, and is controlled to be a low temperature operation while being operated to be open.
[0025]
Driving example 3
When there are a plurality of terminals A and B in the steady operation and the operation of the terminal C (15b) is started, the opening timings of the on-off valves A and B of the terminals A and B are matched, and the on-off valves A and B Only when the terminal is closed, the operation of the heat source device 1 is controlled to a high temperature, and the terminal C is started up. FIG. 3 is a timing chart of this control example, in which the open time of the on-off valve A of the terminal A in the steady operation is 10 minutes, the open time of the on-off valve B of the terminal B is 8 minutes, and the terminal C is operated during the operation. When the operation is started, the opening timings of the on-off valves A and B of the terminals A and B are matched, and the heat source unit 1 is operated at a high temperature of 80 ° C. only when both on-off valves A and B are closed. Operate at a low temperature (about 60 ° C) while it is open.
[0026]
Driving example 4
If there is a terminal C that has newly started operation while terminals A and B that are already in steady operation at a low temperature exist, the heat source unit is not changed until the newly started terminal C shifts to steady operation. 1 to the high-temperature operation, and open the opening times of the on-off valves A and B of the terminals A and B that are already in the steady operation by the time calculated to be the heat radiation amount required during the steady operation that is calculated in advance. Control.
[0027]
Driving example 5
The priorities of operation are determined in advance for each of the terminals A, B, and C. If there is a terminal C that has newly started operation while the terminals A and B that are already operating at a low temperature are present, Only when the terminal C that has newly started operation has a higher priority than the terminals A and B that are operating normally, until the terminal C that has newly started operation shifts to the normal operation, the terminal A that is operating normally Control the heat source unit 1 to a high-temperature operation while restricting the supply of hot water to B.
[0028]
Driving example 6
When the heat source device 1 is controlled to a high temperature, the opening times of the on-off valves A and B of the terminals A and B that are already in the steady operation are controlled to be opened for a time that is a previously calculated heat release amount in the steady operation.
[0029]
Driving example 7
If the priority order of the newly started terminal C is lower than that of the terminals A and B, the heat source unit 1 is controlled to the high-temperature operation only while the on-off valves A and B of the terminals A and B already in the steady operation are closed. .
The priorities may be set manually, or the priorities may be automatically set according to the environmental conditions in the room where the terminals A, B, and C are installed. Alternatively, it may be determined based on the temperature in the room to be heated of the terminal C, for example, when the operation is newly started. Alternatively, the temperature change at the time of rising in the room where the terminals A, B, and C are installed is detected in a time series to obtain and memorize the easiness of warming of each room, and the terminal A which is already in a steady operation is stored. -If there is a terminal C that has newly started operation while B exists, a terminal in a room that is difficult to warm, for example, C is set to a higher priority.
[0030]
【The invention's effect】
As described above, the present invention performs the operation of the heat source unit based on the above-described operation examples 1 to 7 when there is a terminal that has newly started operation while a terminal that is already in steady operation is present. It does not stand up with low-temperature water alone. Therefore, the disadvantage that the room temperature of a newly started terminal that has been regarded as a problem when there is a terminal that is already in a steady operation does not readily rise is improved.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a hot water type heating device embodying the present invention.
FIG. 2 is an explanatory view of a heat source device and a hot water header portion.
FIG. 3 is an explanatory diagram of an operation example 3.
FIG. 4 is an explanatory diagram of a conventional hot water heating device.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 Heat source unit 2 Gas burner 3 High-temperature tapping pipe 4 Low-temperature tapping pipe 5 Hot water header 8 Heat exchanger 9 Return pipe 9a Return header 10 Circulation pump 11 Bypass 12 Systan 13,14 Temperature sensor 15,15a, 15b Floor heating 16 Operation control circuit

Claims

Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
If there is a terminal that has started a new operation while a terminal that is already operating at a low temperature already exists, until the terminal that has started a new operation transitions to the normal operation, the hot water is supplied to the terminal that is already operating at a normal operation. Operation control method for a hot-water type heating device for controlling the heat source unit to a high-temperature operation while restricting the supply of water.

Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
If there is a terminal that has started a new operation while a terminal that is already operating at a low temperature already exists, the terminal that is already operating normally will be opened and closed until the newly started terminal shifts to the normal operation. Operation control of a hot water heating system that controls the operation of the heat source unit to a high temperature only when the valve is operating closed, and controls it to operate at a low temperature when the on-off valve of the terminal that is already in steady operation is open. Method.

When there are a plurality of terminals already in steady operation, the timing of opening the on-off valves of the plurality of terminals is matched, and the operation of the heat source unit is controlled to a high temperature only when all the on-off valves are closed. 3. An operation control method for the hot water heating apparatus according to item 2.

Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
If there is a terminal that has newly started operation while a terminal that is already operating at a low temperature is already operating, the heat source unit is controlled to a high-temperature operation until the newly started terminal shifts to a normal operation. In addition, an operation control method for a hot-water heating apparatus that controls an opening time of an on-off valve of a terminal that is already in a steady operation to be opened only for a time that is a heat release amount required during a steady operation calculated in advance.

Hot water is supplied to a plurality of terminals from a single heat source unit configured to control the tapping temperature, and the hot water is supplied by branching the tapping side of the heat source unit and connecting each terminal in parallel with a hot water pipe. And, in the hot water type heating apparatus comprising an on-off valve for each terminal at a branch portion of the hot water pipe,
The priorities of operation are determined in advance for each terminal, and if there is a terminal that has newly started operation while there is a terminal that is already operating at a low temperature, this newly started terminal Until the terminal that newly started operation only when its priority is higher than the terminal that is operating shifts to the steady operation, the high-temperature operation of the heat source unit is performed while restricting the supply of hot water to the terminal that is already operating normally. Method for controlling the operation of a hot-water heating system controlled in a controlled manner.

6. The hot water heating apparatus according to claim 5, wherein when the heat source unit is controlled to a high temperature, the opening time of the on-off valve of the terminal already in the steady operation is controlled to be opened only for a time calculated to be the heat release amount in the steady operation in advance. Operation control method.

6. The operation control method for a hot water heating apparatus according to claim 5, wherein when the priority order of the newly started terminal is lower, the heat source unit is controlled to the high temperature operation only while the on-off valve of the terminal already in the steady operation is closed. .

8. The operation control method for a hot water heating apparatus according to claim 5, wherein the priorities are manually set.

The operation control method for a hot water heating apparatus according to claim 5, wherein the priorities are automatically set according to environmental conditions in a room where each terminal is installed.

The operation control method for a hot water heating apparatus according to claim 5, wherein the priority order is determined based on the temperature in the room to be heated of the terminal that has newly started operation.

The temperature change at the time of start-up of the room where each terminal is installed is detected in a time series, and the degree of warming of each room is obtained and stored, and a new operation is performed while a terminal that is already in a steady operation exists. 8. The operation control method for a hot water heating apparatus according to claim 5, wherein when there is a terminal that has started the operation, the terminal in the room that is difficult to warm up is set to a higher priority order to operate the heat source unit.

A heat source unit that can control the temperature of hot water,
A header that distributes hot water supplied from the heat source device to a pipe connection port,
On-off valves respectively attached to the pipe connection port,
Terminals respectively connected to the piping connection port of the header via piping,
If there is a terminal that is already in steady operation at low temperature, control the heat source unit to high temperature operation while restricting the supply of hot water to the terminal that is in steady operation until the newly started terminal transitions to steady operation. Operation control circuit,
An operation control device for a hot water heating system comprising:

13. The hot water according to claim 12, wherein the operation control circuit is configured to control the heat source unit to the high-temperature operation only while the on-off valve of the terminal already in the steady operation is opened when there is a terminal that has newly started operation. Operation control device for a heating system.

If there are a plurality of terminals that are already in steady operation, the operation control circuit controls the heat source unit to the high-temperature operation only while all of the on-off valves are closed, while matching the opening timing of the on-off valves of the plurality of terminals. The operation control device for a hot water type heating device according to claim 12, comprising:

Prioritize each terminal in advance and determine the priority of the terminal that has newly started operation based on this priority.If this priority is higher than the terminal that is already operating normally, the operation of the heat source 13. An operation control circuit configured to control the operation and to open the on-off valve of the terminal that is already in the steady operation for a time that is equal to a previously calculated heat release amount in the steady operation. An operation control device for the hot-water heating device according to claim 1.

The method according to claim 1, wherein the terminal comprises a floor heating device or an indoor radiator.

The operation control device for a hot water heating device according to claim 12, wherein the terminal comprises a floor heating device or an indoor radiator.