JPS62125254A - Hot water supplier with additional burning function - Google Patents
Hot water supplier with additional burning functionInfo
- Publication number
- JPS62125254A JPS62125254A JP60264028A JP26402885A JPS62125254A JP S62125254 A JPS62125254 A JP S62125254A JP 60264028 A JP60264028 A JP 60264028A JP 26402885 A JP26402885 A JP 26402885A JP S62125254 A JPS62125254 A JP S62125254A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water supply
- control valve
- temperature
- reheating
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 435
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000003303 reheating Methods 0.000 claims description 80
- 239000013589 supplement Substances 0.000 abstract 2
- 239000008400 supply water Substances 0.000 abstract 2
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 13
- 238000009835 boiling Methods 0.000 description 11
- 239000000446 fuel Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
Landscapes
- Control For Baths (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は浴槽へ自動給湯および高温差し揚機能を有する
追焚機能付給湯機に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a water heater with a reheating function, which has functions of automatically supplying hot water to a bathtub and discharging hot water at a high temperature.
従来の技術
近年、追焚機能付ｉ湯機は給湯機と浴槽とを接続し、ポ
ンプで温水を循環する追焚機を組合せた複合商品が開発
されており、さらに、浴槽へ自動給湯する機能を追加し
たものなど、風呂の自動給湯化が進んでいる。Conventional technology In recent years, a composite product has been developed that combines an i-water heater with a reheating function, which connects a water heater and a bathtub, and a reheating device that circulates hot water using a pump. Automatic hot water supply for baths is progressing.
以下図面を参照しながら、従来の追焚機能付給湯機につ
いて説明する。第７図にその従来例の構成概略図を示す
。A conventional water heater with a reheating function will be described below with reference to the drawings. FIG. 7 shows a schematic diagram of the configuration of the conventional example.
１は給湯用熱交換器で給水口１ａおよび給湯口１ｂに接
続されている。２は追焚用熱交換器で温水戻口２ａおよ
び温水注口２ｂに接続されている。1 is a hot water supply heat exchanger connected to a water supply port 1a and a hot water supply port 1b. 2 is a reheating heat exchanger connected to a hot water return port 2a and a hot water inlet 2b.
温水戻口２ａから追焚用熱交換器２に至る温水通路にポ
ンプ３を設け、そして、前記温水戻口２ａおよび温水注
口２ｂ間に浴槽４を接続管５で連結して温水循環通路を
構成する。前記各々の熱交換器１．２には排気筒６が接
続され、排気ファン７によって燃焼排気ガスを排気口８
に排出するように構成する。また、燃焼用空気を給気口
９から供給できるようにケース１０の一部に形成しであ
る。A pump 3 is provided in the hot water passage leading from the hot water return port 2a to the reheating heat exchanger 2, and a bathtub 4 is connected between the hot water return port 2a and the hot water inlet 2b with a connecting pipe 5 to form a hot water circulation path. Configure. An exhaust stack 6 is connected to each of the heat exchangers 1.2, and an exhaust fan 7 directs combustion exhaust gas to an exhaust port 8.
Configure it to emit to Further, it is formed in a part of the case 10 so that combustion air can be supplied from the air supply port 9.
燃料通路は、元電磁弁１１から分岐して、給湯用電磁弁
１２と比例制御弁１３を通して給湯用バー五
す１４に、そして追焚用電磁弁１５を遺して追焚用バー
ナ１６に各々接続して構成されている。The fuel passage branches off from the original solenoid valve 11, passes through a hot water supply solenoid valve 12 and a proportional control valve 13, connects to a hot water supply bar 14, and leaves a reheating solenoid valve 15 connected to a reheating burner 16. It is configured as follows.
給水側通路に給水を検知して信号を出す給水検知素子１
７を設けるとともに、前記給湯用熱交換器１の出口に給
湯湯温を検出する給湯用サーミスタ１８を設ける。前記
ポンプ３と前記追焚用熱交換器２に至る温水通路に温水
の循環を検知する循環水検知素子１９を設けるとともに
、前記追焚用熱交換器２の入口に循環湯温を検出する追
焚用サーミスタ２０を設ける。Water supply detection element 1 that detects water supply in the water supply side passage and issues a signal
7, and a hot water supply thermistor 18 for detecting the temperature of hot water is provided at the outlet of the hot water supply heat exchanger 1. A circulating water detection element 19 for detecting the circulation of hot water is provided in the hot water passage leading to the pump 3 and the reheating heat exchanger 2, and an additional device is installed at the inlet of the reheating heat exchanger 2 to detect the circulating water temperature. A combustion thermistor 20 is provided.
給湯せん２１を、例えば浴室や台所などへ給湯配管２２
を通して、給湯口１ｂへ接続するとともに、浴槽へ自動
給湯する為の給湯制御弁２４とホッパー２５と浴槽水の
水位センサ２６を有する自動給湯ユニット２３を給湯配
管２２から分岐して設け、浴槽４へ接続する。A hot water supply pipe 22 connects the hot water heater 21 to a bathroom or kitchen, for example.
An automatic hot water supply unit 23 is branched from the hot water supply piping 22 and connected to the hot water supply port 1b through the hot water supply pipe 22, and has a hot water supply control valve 24, a hopper 25, and a bathtub water level sensor 26 for automatically supplying hot water to the bathtub. Connecting.
前記の各種センサの信号を受けてアクチェータ（電磁弁
、ポンプなど）は制御回路２７とリモコン２８によって
動作するように構成されている。Actuators (electromagnetic valves, pumps, etc.) are configured to be operated by a control circuit 27 and a remote controller 28 in response to signals from the various sensors described above.
次に動作を説明すると、給湯せん２１を開くことにより
、給水通路に水が流れ給水検知素子１７が動作して、元
電磁弁１１、給湯用電磁弁１２、比例制御弁１３が開弁
し、給湯用バーナ１４に流れた燃料に点火させ給湯用サ
ーミスタ１８の信号により、出湯温度をリモコン２８の
給湯湯温設定器（図示せず）で設定された給湯温度にな
るように、制御回路２７で演算処理された出力で前記比
例制御弁１３を動作させ前記給湯用バーナ１４の燃焼量
を制御して給湯湯温を安定に制御するように構成してい
る。Next, to explain the operation, when the hot water heater 21 is opened, water flows into the water supply passage, the water supply detection element 17 is activated, and the main solenoid valve 11, the hot water supply solenoid valve 12, and the proportional control valve 13 are opened. The control circuit 27 controls the hot water supply temperature so that the fuel flowing to the hot water supply burner 14 is ignited and the hot water supply temperature is set by the hot water supply temperature setting device (not shown) of the remote control 28 according to the signal from the hot water supply thermistor 18. The proportional control valve 13 is operated using the calculated output to control the combustion amount of the hot water supply burner 14, thereby stably controlling the temperature of hot water.
一方、リモコン２８に設けた追焚スイッチ（特に図示せ
ず）を操作することにより、ポンプａが運転し浴槽４に
予め蓄えられた水あるいは湯が循環し、これ会検知した
循環水検知素子１９が動作し、元電磁弁１１、追焚用電
磁弁１５が開弁し、追焚用バーナ１６に流れた燃料に点
火させる。そして、循環されている戻す湯温を感知し、
前記追焚用熱交換器２の入口に設けた追焚用サーミスタ
２０の信号とリモコン２８の浴槽湯温設定器（図示せず
）で設定された風呂沸゛きとげ温度になるように、制御
回路２７を動作させ、追焚用電磁弁１５を動作させ追焚
用バーナ１６の燃焼量を制御して、循環温水を安定に制
御して浴槽湯温を制御するように構成している。On the other hand, by operating a reheating switch (not particularly shown) provided on the remote control 28, the pump a is operated and the water or hot water stored in the bathtub 4 is circulated, which is detected by the circulating water detection element 19. operates, the main solenoid valve 11 and the reheating solenoid valve 15 open, and the fuel flowing into the reheating burner 16 is ignited. Then, it senses the temperature of the circulating hot water,
Control is performed so that the bath boiling temperature is set by the signal of the reheating thermistor 20 provided at the entrance of the reheating heat exchanger 2 and the bathtub water temperature setting device (not shown) of the remote controller 28. The circuit 27 is operated, the reheating solenoid valve 15 is operated, and the combustion amount of the reheating burner 16 is controlled, thereby stably controlling the circulating hot water and controlling the bathtub water temperature.
また、リモコン２８に設けである自動給湯運転スイッチ
（図示せず）を操作すると、自動給湯ユニット２３の給
湯制御弁２４が開弁しリモコン２８の給湯湯温設定器（
図示せず）で設定された自動給湯温度になるように、制
御回路２７で演算処理された出力で前記比例制御弁１３
を動作させ、前記給湯用バーナ１４の燃焼量を制御して
給湯湯温を安定に制御することにより、浴槽４への自動
給湯をする。そして、前記給湯配管２２の配管長さによ
る給湯湯温の低下をカバーする為、前記水位センサ２６
が動作して前記給湯制御弁２４を閉弁して自動給湯を停
止した後、前記ポンプ３を運転し、前記追焚用サーミス
タ２０の信号と前記リモコン２８の浴槽湯温設定器（図
示せず）で設定された風呂沸きとげ温度になるように、
前記制御回路２７を動作させ、前記追焚用電磁弁１５を
動作させ、前記追焚用バーナ１６の燃焼量を制御して、
循環温水を安定に制御して浴槽湯温を制御するように構
成している。Furthermore, when an automatic hot water supply operation switch (not shown) provided on the remote control 28 is operated, the hot water supply control valve 24 of the automatic hot water supply unit 23 opens, and the hot water temperature setting device (not shown) of the remote control 28 opens.
The proportional control valve 13 uses the output calculated by the control circuit 27 to reach the automatic hot water supply temperature set by the
By operating the hot water supply burner 14 to control the combustion amount of the hot water supply burner 14 to stably control the temperature of hot water, hot water is automatically supplied to the bathtub 4. In order to compensate for the drop in the hot water temperature due to the length of the hot water supply piping 22, the water level sensor 26
operates and closes the hot water supply control valve 24 to stop automatic hot water supply, and then operates the pump 3 and controls the signal from the reheating thermistor 20 and the bathtub water temperature setting device (not shown) of the remote control 28. ) so that the bath reaches the boiling temperature set in
operating the control circuit 27, operating the reheating solenoid valve 15, and controlling the combustion amount of the reheating burner 16;
It is configured to stably control the circulating hot water to control the bathtub water temperature.
発明が解決しようとする問題点
しかしながら、１上記のような構成では、自動給湯ユニ
ット２３が、浴槽４のすぐ近傍に設置する必−要があり
、建物の構成Ｌ、浴室が部屋の中央に４ある場合に取付
けが不可能であるとともに、仮に壁側に設置できても、
建物外観上および美観上不具合であるなど、問題点を有
していた。Problems to be Solved by the Invention However, 1. In the above configuration, the automatic hot water supply unit 23 needs to be installed in the immediate vicinity of the bathtub 4. In some cases, installation is impossible, and even if it can be installed on the wall,
There were problems with the building's appearance and aesthetics.
また、自動給湯運転後に追焚運転を必要とし、風呂沸き
とげ温度になるまでに時間がかかり不経済であった。In addition, reheating operation was required after the automatic hot water supply operation, and it took a long time to reach the bath boiling temperature, which was uneconomical.
また、入浴中に湯冷した場合には、前記追焚スイッチの
操作により浴槽湯温を昇温させる必要があるが、前記追
焚バーナの能力が少ない為に昇温に時間が掛かるなどの
不具合があった。Additionally, if the bath water is cooled while taking a bath, it is necessary to raise the temperature of the bath water by operating the reheating switch, but since the reheating burner has low capacity, it takes time to raise the temperature. was there.
その為に多くの人は、給湯せん（蛇口）から高温に設定
した給湯水を浴槽吹落とし込む場合が多いが、高温の為
に給湯せん（蛇口）やお湯で火傷するなどの不具合があ
った。For this reason, many people often pour hot water into their bathtubs from the hot water tap (faucet), but the high temperature caused problems such as burns from the hot water tap and hot water.
本発明はｔ記問題点に鑑み、自動給湯機能をコスト安価
にし、しかも、設置自由にして工事性、美ｉｔで有効な
ものを提供しようとするものである。In view of the above problems, the present invention aims to provide an automatic hot water supply function that is inexpensive, easy to install, easy to install, aesthetically pleasing, and effective.
問題点を解決するための手段
を記問題点を解決するために本発明の追焚機能付給湯機
は、給湯用熱交換器および浴槽と接続しポンプで温水循
環する温水循環通路の追焚用熱交換器と、元電磁弁に直
列接続した比例制御弁と、前記各熱交換器にのぞませた
給湯用バーナと追焚用バーナの各々に゛前記比例制御弁
より分岐して接続した給湯用電磁弁および追焚用電磁弁
と、前記給湯用熱交換器の出口に設け、給湯湯温を検出
する給湯用サーミスタおよび追焚用熱交換器の入口に設
け、循環＠温を検出する追焚用サーミスタと、前記給湯
用サーミスタの下流の給湯通路から分岐し、浴槽に接続
する浴槽自動給湯通路に設けた給湯流量制御弁と、給湯
用熱交換器の給水通路に設け、給水量を計測する給水検
知素子と、制御回路とを備え、前記制御回路は前記給湯
流量制御弁を開弁し、前記給湯用サーミスタの信号で演
算処理した制御信号により、前記比例制御弁を動作させ
、前記給湯用バーナの燃焼量を制御して浴槽へ、前記給
水検知素子の制御信号（フィードバック）により大流量
で自動給湯するとともに、前記給湯流量制御弁を少流量
に制御して、高温差し湯を前記浴槽自動給湯通路を通し
て行なうように構成する。Means for Solving the Problems In order to solve the problems, the water heater with reheating function of the present invention has a hot water circulation passage connected to a hot water heat exchanger and a bathtub, and which circulates hot water using a pump for reheating. A heat exchanger, a proportional control valve connected in series to the main solenoid valve, and a hot water supply connected to each of the hot water supply burner and reheating burner connected to each of the heat exchangers by branching from the proportional control valve. A solenoid valve for reheating and a solenoid valve for reheating, a thermistor for hot water provided at the outlet of the heat exchanger for hot water supply to detect the temperature of hot water, and an additional solenoid valve for detecting circulation@temperature, provided at the inlet of the heat exchanger for reheating. A heating thermistor, a hot water supply flow control valve installed in the bathtub automatic hot water supply passage that branches from the hot water passage downstream of the hot water supply thermistor and connected to the bathtub, and a hot water supply flow control valve installed in the water supply passage of the hot water heat exchanger to measure the amount of water supplied. and a control circuit, the control circuit opens the hot water supply flow rate control valve, operates the proportional control valve in accordance with a control signal calculated using the signal of the hot water supply thermistor, and controls the hot water supply flow rate control valve. The combustion amount of the burner is controlled to automatically supply hot water to the bathtub at a large flow rate based on the control signal (feedback) of the water supply detection element, and the hot water supply flow rate control valve is controlled to a small flow rate to supply high-temperature hot water to the bathtub. It is constructed so that hot water is supplied through an automatic hot water supply passage.
作 用
本発明は丘記した構成によって、給湯運転時には、給湯
用サーミスタの信号により制御回路で演算処理された出
力で比例制御弁を動作させ給湯用バーナの燃焼量を制御
して給湯湯温を安定に制御することが出来る。また、追
焚運転時には追焚用サーミスタの信号により制御回路で
演算処理された出力で比例制御弁を動作させ追焚用バー
ナの燃焼量を制御して浴槽湯温を安定に制御することが
出来る。According to the configuration described above, during hot water supply operation, the proportional control valve is operated by the output calculated by the control circuit based on the signal from the hot water supply thermistor, and the combustion amount of the hot water supply burner is controlled to control the hot water temperature. It can be controlled stably. In addition, during reheating operation, the proportional control valve is operated using the output calculated by the control circuit based on the reheating thermistor signal, and the combustion amount of the reheating burner is controlled, making it possible to stably control the bath water temperature. .
また、を記両者の同時運転時には制御回路で優先的に給
湯用モードで演算処理された出力で比例制御弁を動作さ
せ給湯湯温を安定に制御するとともに、追焚側は追焚用
サーミスタの信号で追焚用電磁弁を開閉制御することに
より、浴槽湯温を安定に制御することが出来る。In addition, when both systems are operated simultaneously, the control circuit operates the proportional control valve with the output calculated in the hot water supply mode to stably control the hot water temperature, and the reheating side operates the reheating thermistor. By controlling the opening and closing of the reheating solenoid valve using signals, the bathtub water temperature can be stably controlled.
さらに、自動給湯運転時には給湯流量制御弁を開弁する
ことにより給湯用熱交換器から浴槽自動給湯通路を通し
て浴槽へ大流量で自動給湯し、その自動給湯湯温を給湯
用サーミスタの信号により制御回路で演算処理された出
力で比例制御弁を動作させ、給湯用バーナの燃焼量を制
御して浴槽へ自動給湯することにより、浴槽湯温を所期
の風呂沸き七げ温度に、追焚運転せずに自動給湯運転の
みで完了することが出来る。Furthermore, during automatic hot water supply operation, by opening the hot water supply flow rate control valve, hot water is automatically supplied at a large flow rate from the hot water heat exchanger to the bathtub through the bathtub automatic hot water supply passage, and the temperature of the automatic hot water supply is controlled by the signal from the hot water supply thermistor. The proportional control valve is operated using the output calculated by the system, and the combustion amount of the hot water supply burner is controlled to automatically supply hot water to the bathtub. This process can be completed with only automatic hot water supply operation.
一方、入浴中に湯冷した場合などに、給湯流量制御弁を
少流量に制御して高温差し湯を浴槽自動給湯通路を通し
て行なうことにより、大能力の給湯用バーナで制御する
ことが出来るので、短時間に昇温か出来るとともに、火
傷などの恐れがない。On the other hand, when cooling water while taking a bath, by controlling the hot water supply flow rate control valve to a small flow rate and pouring high-temperature hot water through the bathtub automatic hot water supply passage, it can be controlled using a high-capacity hot water supply burner. It can be heated in a short time and there is no risk of burns.
また、部品点数を少なく出来自動給湯機能をコスト安価
にし、しかも、設置自由にして工事性、美観上も有効に
して目的を達成することが出来る。In addition, the number of parts can be reduced, the cost of the automatic hot water supply function can be reduced, and the installation can be done freely, making it easier to install and more aesthetically pleasing to achieve the purpose.
実施例
以下本発明の一実施例について、第１図の構成概略図に
従って説明する。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the schematic diagram of the configuration shown in FIG.
１は給湯用熱交換器で給水口１ａおよび給湯口１ｂに接
続されており、給水側通路に給水を検知して信号を出す
給水検知素子（水量をカウントする水量センサーなど）
１７を有する。２は追焚用熱交換器で温水戻口２ａおよ
び温水注口２ｂに接続されている。温水戻口２ａから追
焚用熱交換器２に至る温水通路にポンプ３と温水の循環
を検知する循環水検知素子１９を設け、さらに、前記温
水戻口２ａおよび温水注口２ｂ間に浴槽４を接続管５で
連結して温水循環通路を構成する。前記各々の熱交換器
１．２には排気筒６が接続され、排気ファン７によって
燃焼排気ガスを排気口８に排出するように構成する。ま
た、燃焼用空気を給気口９から供給できるようにケース
１０の一部に形成しである。燃料通路は、元電磁弁１１
と比例制御弁１３を直列接続し、これより分岐して給湯
用電磁弁１２を通して給湯用バーナ１４と、追焚用電磁
弁１５を通して追焚用バーナ１６に、前記比例制御弁１
３が共通に接続されるように分岐接続する。1 is a heat exchanger for hot water supply, which is connected to the water supply inlet 1a and the hot water supply inlet 1b, and includes a water supply detection element (such as a water amount sensor that counts the amount of water) that detects water supply and outputs a signal in the water supply side passage.
It has 17. 2 is a reheating heat exchanger connected to a hot water return port 2a and a hot water inlet 2b. A pump 3 and a circulating water detection element 19 for detecting the circulation of hot water are provided in the hot water passage leading from the hot water return port 2a to the reheating heat exchanger 2, and a bathtub 4 is provided between the hot water return port 2a and the hot water spout 2b. are connected by a connecting pipe 5 to form a hot water circulation passage. An exhaust pipe 6 is connected to each of the heat exchangers 1.2, and the combustion exhaust gas is discharged to an exhaust port 8 by an exhaust fan 7. Further, it is formed in a part of the case 10 so that combustion air can be supplied from the air supply port 9. The fuel passage is the former solenoid valve 11
and a proportional control valve 13 are connected in series, and the proportional control valve 1 is branched from this to the hot water supply burner 14 through the hot water supply solenoid valve 12, and the reheating burner 16 through the reheating solenoid valve 15.
3 are connected in common.
次に第２図の制御回路構成概略図も併せて説明する。Next, the schematic diagram of the control circuit configuration shown in FIG. 2 will also be explained.
給湯運転時には、前記給湯用熱交換器１の出口に設けた
給湯湯温を検出する給湯用サーミスタ１８の１言号とリ
モコン２８の給湯湯温設定器３１で設定された給湯温度
になるように、制御回路２了の比較器３２で比較演算し
、演算処理部３３で演算処理された出力で比例制御弁駆
動部３４を動作させ前記比例制御弁１３を動作させ、前
記給湯用バーナ１４の燃焼量を制御して給湯湯温を安定
に制御する（給湯運転シーケンス）ように給湯運転制御
部３８を構成している。During hot water supply operation, the hot water supply temperature is set by one word of the hot water supply thermistor 18 installed at the outlet of the hot water supply heat exchanger 1 to detect the hot water temperature and the hot water supply temperature setting device 31 of the remote control 28. , the comparator 32 of the control circuit 2 performs a comparison calculation, and the output processed by the calculation processing unit 33 operates the proportional control valve drive unit 34 to operate the proportional control valve 13, thereby causing the hot water supply burner 14 to burn. The hot water supply operation control unit 38 is configured to stably control the temperature of hot water by controlling the amount of hot water (hot water supply operation sequence).
一方、追焚運転時には、前記追焚用熱交換器２の入口に
設けた循環湯温を検出する追焚用サーミスタ２０の信号
とリモコン２８の浴槽湯温設定器３５で設定された風呂
沸き上げ温度になるように、制御回路２７の比較器３２
で比較演算し、演算処理部３３で演算処理された出力で
比例制御弁駆動部３４を動作させ、前記比例制御弁１３
を動作させ、前記追焚用バーナ１６の燃焼量を制御して
、循環温水を安定に制御して浴槽湯温を制御する制御弁
１３で制御される前記追焚用バーナ１６の燃焼量を前記
浴槽湯温設定器３５で設定された風呂沸きとげ温度まで
、比例制御せずに最大能力で制御して沸き丘かり温度に
到達した時に、前記追焚用電磁弁１５を閉弁するように
前記制御回路２７の追焚運転制御部３７を構成しである
。On the other hand, during reheating operation, the bath is heated using the signal from the reheating thermistor 20 installed at the inlet of the reheating heat exchanger 2 that detects the circulating water temperature, and the bath set by the bathtub water temperature setting device 35 of the remote controller 28. The comparator 32 of the control circuit 27 so that the temperature
The proportional control valve drive unit 34 is operated by the output processed by the calculation processing unit 33, and the proportional control valve 13
to control the combustion amount of the reheating burner 16, which is controlled by the control valve 13 which stably controls the circulating hot water and controls the bathtub water temperature. The reheating solenoid valve 15 is closed when the bath boiling temperature set by the bath water temperature setting device 35 is controlled at the maximum capacity without proportional control and the bath boiling temperature is reached. It constitutes the reheating operation control section 37 of the control circuit 27.
前記給湯用電磁弁１２と追焚用電磁弁１５は各々の湯温
制御をする時に開弁閉弁するように追焚運転制御部３７
と給湯運転制御部３８を構成しである。The hot water supply solenoid valve 12 and the reheating solenoid valve 15 are controlled by the reheating operation control unit 37 so that the valves are opened and closed when each hot water temperature is controlled.
and constitutes the hot water supply operation control section 38.
また、同時運転時には前記制御回路２７の給湯運転制御
部３８で優先的に給湯用モードで演算処理部３３で演算
処理された出力で比例制御弁駆動部３４を動作させ前記
比例制御弁１３を動作させ給湯湯温を安定に制御すると
ともに、追焚側は前記追焚用サーミスタ２０の信号で前
記追焚用電磁弁１５を開閉制御することにより、浴槽湯
温を安定に制御する（同時運転シーケンス）ように追焚
運転制御部３７を構成しである。In addition, during simultaneous operation, the hot water supply operation control section 38 of the control circuit 27 operates the proportional control valve drive section 34 preferentially in the hot water supply mode using the output computed by the arithmetic processing section 33 to operate the proportional control valve 13. At the same time, the reheating side controls the opening and closing of the reheating solenoid valve 15 using the signal from the reheating thermistor 20, thereby stably controlling the bathtub water temperature (simultaneous operation sequence ) The reheating operation control section 37 is configured as follows.
さらに、自動給湯運転時には給湯流量制御弁２４（モー
タなどで駆動される少流量と大流量の制御および閉弁機
能を有するもの：第４図に概略図を示す）と安全弁２９
（バキュームブレーカ）を前記給湯用サーミスタ１８の
下流の給湯通路から分岐接続して設け、浴槽自動給湯通
路３０を通して前記浴槽４に接続して設けている。そし
て、前記給湯運転制御部３８の信号で前記給湯流量制御
弁２４を大流量で開弁することにより、前記給湯用熱交
換器１を通し、前記給湯用サーミスタ１８の信号と前記
リモコン２８の自動給湯湯温設定器３９で設定された自
動給湯温度になるように、前記制御回路２７の前記比較
器３２で比較演算し、前記演算処理部３３で演算処理さ
れた出力で前記比例制御弁駆動部３４を動作させ前記比
例制御弁１３を動作させ前記給湯用バーナ１４の燃焼量
を制御して給湯湯温を安定に制御して、前記浴槽４へ大
流量で自動給湯する（自動給湯運転シーケンス）ように
、前記給湯運転制御部３８を構成しである。Furthermore, during automatic hot water supply operation, a hot water supply flow rate control valve 24 (driven by a motor or the like and having small flow rate and large flow rate control and valve closing functions; a schematic diagram is shown in FIG. 4) and a safety valve 29
A vacuum breaker (vacuum breaker) is provided so as to be branched from the hot water supply passage downstream of the hot water supply thermistor 18 and connected to the bathtub 4 through the bathtub automatic hot water supply passage 30. Then, by opening the hot water flow rate control valve 24 at a large flow rate in response to a signal from the hot water supply operation control section 38, a signal from the hot water supply thermistor 18 and an automatic control signal from the remote controller 28 are transmitted through the hot water heat exchanger 1. The comparator 32 of the control circuit 27 performs a comparison calculation so that the automatic hot water temperature set by the hot water temperature setting device 39 is reached, and the output processed by the calculation processing unit 33 is used to drive the proportional control valve drive unit. 34 to operate the proportional control valve 13 to control the combustion amount of the hot water supply burner 14 to stably control the hot water temperature and automatically supply hot water to the bathtub 4 at a large flow rate (automatic hot water supply operation sequence). The hot water supply operation control section 38 is configured as follows.
また、高温差し湯運転時には前記給湯流量制御弁２４（
モータなどで駆動される少流量と大流量の制御および閉
弁機能を有するもの：第４図に概略図を示す）を少流量
に自動的に設定し、前記リモコン２８の高温差し揚揚温
設定器４０（リモコン内部にある）で設定された差し湯
温度（例えば８０°Ｃ位）になるように、自動的に温度
設定することにより、前記給湯用熱交換器１を通し、前
記給湯用サーミスタ１８の信号と前記高温差し湯湯温設
定器４０で設定された差し湯温度になるように、前記制
御回路２７の前記比較器３２で比較演算し、前記演算処
理部３３で演算処理された出力で前記比例制御弁駆動部
３４を動作させ前記比例制御弁１３を動作させ前記給湯
用バーナ１４の燃焼量を制御して給湯湯温を安定に制御
して、前記浴槽４へ少流量で高温差し湯する（高温差し
湯運転シーケンス）ように、前記給湯運転制御部３８を
構成しである。In addition, during hot water pouring operation, the hot water supply flow rate control valve 24 (
A device that is driven by a motor or the like and has small flow rate and large flow rate control and valve closing functions (a schematic diagram is shown in FIG. 4) is automatically set to a low flow rate, and the high temperature setting device of the remote control 28 By automatically setting the temperature of the hot water set at 40 (inside the remote control) (for example, about 80°C), the hot water is passed through the hot water heat exchanger 1 and heated to the hot water thermistor 18. The comparator 32 of the control circuit 27 compares and calculates the signal with the hot water temperature set by the hot water temperature setting device 40, and the arithmetic processing unit 33 processes the output. The proportional control valve drive unit 34 is operated to operate the proportional control valve 13 to control the combustion amount of the hot water supply burner 14 to stably control the temperature of the hot water and pour hot water into the bathtub 4 at a small flow rate. The hot water supply operation control unit 38 is configured so as to perform (high temperature pouring hot water operation sequence).
次に、第３図の給湯能力特性図、第４図の給湯流量制御
弁の駆動概略図について説明する。Next, the hot water supply capacity characteristic diagram shown in FIG. 3 and the driving schematic diagram of the hot water supply flow rate control valve shown in FIG. 4 will be explained.
第３図は給湯用熱交換器１の給湯能力特性図であり、自
動給湯運転の場合（２）には、前記自動給湯湯温設定器
３９で設定された（例えば約４２°Ｃ）給湯温度の時は
、第４図の自動給湯流量設定器４１で設定された自動給
湯流量（例えば約１（１／分）になるように制御回路２
７の比較器４２で比較演算し、演算処理部４３ （ｆ！
７１記演算処理部３３と同じものでもよい）で演算処理
された出力で給湯流量制御弁駆動部４４を動作させ、前
記給湯流量制御弁２４のモータ２４ａを駆動する。そし
て、モータシャフト２４ｂに設けた歯車２４ｃに連動し
て、流量制御弁シャツ）２４ｅに連結した歯車２４ｄを
回転させる。流量制御弁シャフト２４ｅはネジ部２４ｆ
を有し、先端に制御弁部２４ｇをスプリング２４ｈを設
け、制御弁本体２４ｉに組み込まれている。制御弁部２
４ｇは弁座２４ｊとの間隙により給湯量を少流量、大流
量および閉弁機能を持たせているので、大流量が流れ、
その自動給湯流量を前記給水検知素子１７で演算計測し
、前記給湯流量制御弁２４を流量制御するように構成し
ている。FIG. 3 is a hot water supply capacity characteristic diagram of the hot water supply heat exchanger 1, and in the case of automatic hot water supply operation (2), the hot water supply temperature is set by the automatic hot water supply temperature setting device 39 (for example, about 42°C). In this case, the control circuit 2 adjusts the automatic hot water supply flow rate to the automatic hot water supply flow rate set by the automatic hot water supply flow rate setting device 41 shown in FIG.
The comparator 42 of No. 7 performs a comparison operation, and the arithmetic processing unit 43 (f!
The hot water supply flow rate control valve drive unit 44 is operated with the output processed by the arithmetic processing unit 33 (which may be the same as the calculation processing unit 33 in item 71), and the motor 24a of the hot water supply flow rate control valve 24 is driven. Then, a gear 24d connected to the flow control valve 24e is rotated in conjunction with a gear 24c provided on the motor shaft 24b. The flow control valve shaft 24e has a threaded portion 24f.
It has a control valve part 24g and a spring 24h at its tip, and is incorporated into the control valve body 24i. Control valve part 2
4g has a small flow rate, a large flow rate, and a valve closing function for supplying hot water depending on the gap with the valve seat 24j, so a large flow rate flows.
The automatic hot water supply flow rate is calculated and measured by the water supply detection element 17, and the hot water supply flow rate control valve 24 is configured to control the flow rate.
一方、高温差し湯運転の場合（Ｂ）には前記高温差し湯
湯温設定器４０で設定された（例えば約８０°Ｃ）給湯
温度の時は、第４図の高温差し渦流量設定器４５で設定
された高温差し渦流量（例えば約５ｅ／分）になるよう
に制御回路２７の比較器４２で比較演算し、演算処理部
４３（前記演算処理部３３と同じものでもよい）で演算
処理された出力で給湯流量制御弁駆動部４５を動作させ
、前記給湯流量制御弁２４のモータ２４ａを駆動し、少
流量を流し、その高温差し渦流量を前記給水検知素子１
７で演算計測し、前記給湯流量制御弁２４を流量制御す
るように構成している。On the other hand, in the case of high-temperature pouring hot water operation (B), when the hot water supply temperature is set by the high-temperature pouring hot water temperature setting device 40 (for example, about 80° C.), the high-temperature pouring hot water vortex flow rate setting device 45 shown in FIG. The comparator 42 of the control circuit 27 performs a comparison calculation so that the high temperature vortex flow rate (for example, about 5 e/min) is set, and the calculation processing unit 43 (which may be the same as the calculation processing unit 33) performs calculation processing. The hot water supply flow rate control valve driving unit 45 is operated with the output, the motor 24a of the hot water supply flow rate control valve 24 is driven, a small flow rate is passed, and the high temperature vortex flow rate is transmitted to the water supply detection element 1.
7, and the hot water supply flow rate control valve 24 is configured to control the flow rate.
上記、実施例の動作を第６図のフローチャートをあわせ
て説明する。The operation of the above embodiment will be explained with reference to the flowchart of FIG.
１、給湯運転
リモコン２８の給湯運転スイッチ２８ａを操作した後、
給湯口１ｂに接続された給湯配管２２を通して接続され
た、例えば浴室や台所などの給湯せん２１を開けると、
第６図に示す運転プログラムが開始する。ステップ５０
の自動給湯？、ステップ５１の高温差し湯？、ステップ
５２の給湯？のいずれかを判定し、給湯運転モードとな
る。1. After operating the hot water supply operation switch 28a of the hot water supply operation remote control 28,
When you open the hot water heater 21 connected to the hot water supply pipe 22 connected to the hot water supply port 1b, for example in the bathroom or kitchen,
The operating program shown in FIG. 6 starts. Step 50
Automatic hot water supply? , Step 51 hot water? , Step 52 hot water supply? The system determines either of these and enters the hot water supply operation mode.
給水通路を流れた水をステップ５ａで給水検知素子１７
の信号を計測し、点火水量を検知すると、ステップ５４
の給湯運転シーケンスが動作するように給湯運転制御部
３８が構成されており排気ファン７が回転する。元電磁
弁１１、給湯用電磁弁１２、比例制御弁１３を開弁させ
、燃料に着火保持させる。（着火保持手段は特に図示せ
ず）そして、給湯用バーナ１４が燃焼することにより給
湯用熱交換器１が熱せられ、給湯口１ｂを通して給湯せ
ん２１から出湯される。The water flowing through the water supply passage is detected by the water supply detection element 17 in step 5a.
When the signal is measured and the amount of ignition water is detected, step 54
The hot water supply operation control unit 38 is configured to operate the hot water supply operation sequence, and the exhaust fan 7 rotates. The main solenoid valve 11, the hot water supply solenoid valve 12, and the proportional control valve 13 are opened to keep the fuel ignited. (The ignition holding means is not particularly shown) Then, the hot water supply heat exchanger 1 is heated by combustion of the hot water supply burner 14, and hot water is discharged from the hot water heater 21 through the hot water supply port 1b.
その出湯温度を給湯用サーミスタ１８で検知してリモコ
ン２８の給湯湯温設定器３１で設定された給湯温度にな
るように、ステップ５５とステップ５６により、制御回
路２７の比較器ａ２で比較演算し、演算処理部３３で演
算処理された出力で比例制御弁駆動部３４を動作させ前
記比例制御弁１３を動作させ、前記給湯用バーナ１４の
燃焼量を制御して給湯湯温を安定に制御する。The hot water supply temperature is detected by the hot water supply thermistor 18, and in steps 55 and 56, the comparator a2 of the control circuit 27 performs a comparison calculation so that the hot water temperature reaches the hot water temperature set by the hot water temperature setting device 31 of the remote controller 28. , the proportional control valve drive unit 34 is operated by the output processed by the calculation processing unit 33 to operate the proportional control valve 13, and the combustion amount of the hot water supply burner 14 is controlled to stably control the hot water temperature. .
■、追焚運転
一方、リモコン２８に設けた追焚運転スイッチ２８ｂを
操作することによりポンプ３と排気ファン７が回転する
。(2) Additional heating operation On the other hand, by operating the additional heating operation switch 28b provided on the remote control 28, the pump 3 and the exhaust fan 7 are rotated.
浴槽４に予め蓄えられた場や水がポンプ３で循環される
と、これを循環水検知素子１９が検知して、ステップ５
７の追焚運転シーケンスが動作するように追焚運転制御
部３７が構成されており、元電磁弁１１、追焚用電磁弁
１５、比例制御弁１３を開弁させ、燃料に着火保持させ
る。（着火保持手段は特に図示せず）
そして、追焚用バーナ１５が燃焼することにより追焚用
熱交換器２が熱せられ温水注口２ｂから接続管５を通し
て浴槽４内を循環して、温水戻口２ａに温水が循環され
る。浴槽４内の湯温と等しい循環温水を追焚用サーミス
タ２０の信号とリモコン２８の浴槽湯温設定器３５で設
定された風呂沸き七げ温度になるように、ステップ５８
とステップ５９により、制御回路２７の比較器３６で比
較演算し、演算処理部３３で演算処理された出力で比例
制御弁駆動部３４を動作させ、前記比例制御弁１３を動
作させ、前記追焚用バーナ１６の燃焼量を制御して、循
環温水を安定に制御して浴槽湯温を制御する。When the water previously stored in the bathtub 4 is circulated by the pump 3, the circulating water detection element 19 detects this, and the process proceeds to step 5.
The reheating operation control unit 37 is configured to operate the reheating operation sequence No. 7, and opens the main solenoid valve 11, the reheating solenoid valve 15, and the proportional control valve 13 to keep the fuel ignited. (The ignition holding means is not particularly shown.) The reheating burner 15 burns, heating the reheating heat exchanger 2, and the hot water is circulated in the bathtub 4 from the hot water spout 2b through the connecting pipe 5. Hot water is circulated through the return port 2a. In step 58, the circulating hot water equal to the water temperature in the bathtub 4 is heated to the temperature set by the signal from the reheating thermistor 20 and the bathtub water temperature setting device 35 of the remote control 28.
In step 59, the comparator 36 of the control circuit 27 performs a comparison operation, and the arithmetic processing section 33 operates the proportional control valve drive section 34 with the output processed, thereby operating the proportional control valve 13 and refiring. By controlling the combustion amount of the burner 16, circulating hot water is stably controlled, and bath water temperature is controlled.
尚、浴槽湯温の立りりを早くする為、前記比例制御弁１
３で制御される前記追焚用バーナ１６の燃焼量を浴槽湯
温設定器３５で設定された風呂沸き上げ温度まで、比例
制御せずに最大能力で制御して沸き丘かり温度に到達し
た時に、追焚用電磁弁１５を閉弁するように前記追焚運
転制御部３７で制御される。In addition, in order to make the bath water temperature rise quickly, the proportional control valve 1
When the combustion amount of the reheating burner 16 controlled in step 3 is controlled at the maximum capacity without proportional control until the bath boiling temperature is set by the bath water temperature setting device 35, the boiling temperature is reached. , is controlled by the reheating operation control section 37 to close the reheating solenoid valve 15.
■、自動給湯運転
また、リモコン２８に設けた自動給湯運転スイッチ２８
ｃを操作すると、ステップ６０で給湯流量制御弁２４を
開弁し、前記給湯用熱交換器１と浴槽自動給湯通路３０
を通して浴槽４へ自動給湯される。■, Automatic hot water supply operation Also, automatic hot water supply operation switch 28 provided on the remote control 28
When c is operated, the hot water supply flow rate control valve 24 is opened in step 60, and the hot water supply heat exchanger 1 and the bathtub automatic hot water supply passage 30 are opened.
Hot water is automatically supplied to the bathtub 4 through the bath.
ステップ６１で給水検知素子１７の信号を計測し、その
給水を検知すると、ステップ６２の自動給湯運転シーケ
ンスが動作するように前記給湯運転制御部３８が構成さ
れており排気ファン７が回転する。In step 61, the signal from the water supply detection element 17 is measured, and when the water supply is detected, the hot water supply operation control unit 38 is configured to operate the automatic hot water supply operation sequence in step 62, and the exhaust fan 7 rotates.
元電磁弁１１、給湯用電磁弁１２、比例制御弁１３を開
弁させ、燃料に着火保持させる。（着火保持手段は特に
図示せず）そして、給湯用バーナ１４が燃焼することに
より給湯用熱交換器１が熱せられ、給湯流量制御弁２４
と浴槽自動給湯通路３０を通して浴槽４へ自動給湯され
る。第４図の自動給湯流量設定器４１で設定された自動
給湯流量（例えば約１０１／分）になるように、ステッ
プ６３とステップ６４により、制御回路２７の比較器４
２と前記給水検知素子１７の信号とを比較演算し、演算
処理部４３で演算処理された出力で給湯流量制御弁駆動
部４４を動作させ前記給湯流量制御弁２４を大流量で流
量制御して、リモコン２８の自動給湯湯温設定器３９で
設定された給湯温度（希望の風呂沸きとげ温度）になる
ように、ステップ６５とステップ６６により、制御回路
２７の比較器３２で比較演算し、演算処理部３３で演算
処理された出力で比例制御弁駆動部ａ４を動作させ比例
制御弁１３を動作させ給湯用バーナ１４の燃焼量を制御
して給湯湯温を安定に制御して、浴槽４へ大流量で自動
給湯する。 、こうすることによって、所期の風呂沸
き上げ温度に追焚運転をせずに自動給湯運転のみで完了
することが出来る。The main solenoid valve 11, the hot water supply solenoid valve 12, and the proportional control valve 13 are opened to keep the fuel ignited. (The ignition holding means is not particularly shown.) The hot water supply heat exchanger 1 is heated by the combustion of the hot water supply burner 14, and the hot water supply flow rate control valve 24 is heated.
Hot water is automatically supplied to the bathtub 4 through the bathtub automatic hot water supply passage 30. In steps 63 and 64, the comparator 4 of the control circuit 27 sets the automatic hot water supply flow rate (for example, about 101/min) set by the automatic hot water supply flow rate setting device 41 in FIG.
2 and the signal of the water supply detection element 17, and the hot water supply flow rate control valve drive unit 44 is operated with the output processed by the calculation processing unit 43 to control the flow rate of the hot water supply flow rate control valve 24 at a large flow rate. In steps 65 and 66, the comparator 32 of the control circuit 27 performs a comparison calculation so that the hot water temperature set by the automatic hot water temperature setting device 39 of the remote controller 28 (desired bath boiling temperature) is reached. The output processed by the processing unit 33 operates the proportional control valve drive unit a4 to operate the proportional control valve 13 to control the combustion amount of the hot water supply burner 14 to stably control the temperature of hot water to be supplied to the bathtub 4. Automatically supplies hot water with a large flow rate. By doing this, it is possible to complete the automatic hot water supply operation only without reheating the bath to the desired temperature.
安全弁（バキュームブレーカ）２９は追焚運転時に、ポ
ンプａが回転することによって給湯通路に逆流させない
為のものである。The safety valve (vacuum breaker) 29 is used to prevent hot water from flowing back into the hot water supply passage when the pump a rotates during reheating operation.
■、高温差し湯運転
また、入浴中に湯冷した場合などにリモコン２８の高温
差し湯運転スイッチ２８ｄを操作することにより、高温
差し湯運転モードをステップ５１で判定すると、ステッ
プ６７で前記給湯流量制御弁２４を開弁し、前記給湯用
熱交換器１と浴槽自動給湯通路３０を通して浴槽４へ高
温差し湯される。■High-temperature pouring hot water operation Also, when the high-temperature pouring hot water operation mode is determined in step 51 by operating the high-temperature pouring hot water operation switch 28d of the remote control 28 when cooling hot water while taking a bath, the hot water supply flow rate is determined in step 67. The control valve 24 is opened, and hot water is poured into the bathtub 4 through the hot water supply heat exchanger 1 and the bathtub automatic hot water supply passage 30.
ステップ６８で給水検知素子１７の信号を計測し、その
給水を検知すると、ステップ６９の高温差し湯運転シー
ケンスが動作するように前記給湯運転制御部３８が構成
されており排気ファン７が回転する。In step 68, the signal from the water supply detection element 17 is measured, and when the water supply is detected, the hot water supply operation control section 38 is configured to operate the high temperature pouring hot water operation sequence in step 69, and the exhaust fan 7 rotates.
元電磁弁１１、給湯用電磁弁１２、比例制御弁１３を開
弁させ、燃料に着火保持させる。（着火保持手段は特に
図示せず）そして、給湯用バーナ１４が燃焼することに
より給湯用熱交換器１が熱せられ、給湯流量制御弁２４
と浴槽自動給湯通路３０を通して浴槽４へ高温差し湯さ
れる。第４図の高温差し湯流量設定器４５で設定された
高温差し湯流量（例えば約５４／分）になるように、ス
テップ７０とステップ７１により、制御回路２７の比較
器４２と前記給水検知素子１７の信号とを比較演算し、
演算処理部４３で演算処理された出力で給湯流量制御弁
駆動部４４を動作させ前記給湯流量制御弁２４を少流量
で流量制御して、リモコン２８の高温差し湯湯温設定器
４０で設定された差し湯温度（例えば８０°Ｃ位）にな
るように、ステップ７２とステップ７３により、制御回
路２７の比較器３２で比較演算し、演算処理部３３で演
算処理された出力で比例制御弁駆動部ａ４を動作させ比
例制御弁１３を動作させ給湯用バーナ１４の燃焼量を制
御して給湯湯温を安定に制御して、浴槽４へ少流量で高
温差し湯することが出来る。The main solenoid valve 11, the hot water supply solenoid valve 12, and the proportional control valve 13 are opened to keep the fuel ignited. (The ignition holding means is not particularly shown.) The hot water supply heat exchanger 1 is heated by the combustion of the hot water supply burner 14, and the hot water supply flow rate control valve 24 is heated.
Hot water is poured into the bathtub 4 through the bathtub automatic hot water supply passage 30. In steps 70 and 71, the comparator 42 of the control circuit 27 and the water supply detection element are set to the high temperature pouring hot water flow rate (for example, about 54/min) set by the hot pouring hot water flow rate setting device 45 in FIG. Compare and calculate the signals of 17,
The hot water supply flow rate control valve drive unit 44 is operated by the output processed by the calculation processing unit 43 to control the flow rate of the hot water flow rate control valve 24 at a small flow rate, and the hot water temperature setting device 40 of the remote controller 28 sets the hot water supply flow rate control valve drive unit 44. In steps 72 and 73, the comparator 32 of the control circuit 27 performs a comparison calculation so that the temperature of the hot water (for example, about 80°C) is reached, and the calculation processing unit 33 uses the processed output to drive the proportional control valve. By operating part a4 and operating the proportional control valve 13 to control the combustion amount of the hot water supply burner 14, the hot water temperature can be stably controlled, and high temperature hot water can be poured into the bathtub 4 at a small flow rate.
給湯流量制御弁を少流量に制御して高温差し湯を浴槽自
動給湯通路を通して行なうことにより、大能力の給湯用
バーナで制御することが出来るので、短時間に昇温が出
来るとともに、火傷の恐れがない。By controlling the hot water supply flow rate control valve to a small flow rate and pouring high-temperature hot water through the bathtub automatic hot water supply passage, it can be controlled using a high-capacity hot water supply burner, allowing the temperature to be raised in a short time and reducing the risk of burns. There is no.
発明の効果
以上のように本発明は、給湯用熱交換器および浴槽と接
続しポンプで温水循環する温水循環通路の追焚用熱交換
器と、元電磁弁に直列接続した比例制御弁と、前記各熱
交換器にのぞませ１こ給湯用バーナと追焚用バーナの各
々に前記比例制御弁より分岐して接続した給湯用電磁弁
および追焚用電磁弁と、前記給湯用熱交換器の出口に設
け、給湯湯温を検出する給湯用サーミスタおよび追焚用
熱交換器の入口に設け、循環湯温を検出する追焚用サー
ミスタと、前記給湯用サーミスタの下流の給湯通路から
分岐し、浴槽に接続する浴槽自動給湯通路に設けた給湯
流量制御弁と給湯用熱交換器の給水通路に設け、給水量
を計測する給水検知素子と、制御回路とを備え、前記制
御回路は給湯流量制御弁を開弁じ、前記給湯用サーミス
タの信号で演算処理した制御信号により前記比例制御弁
を動作させ、前記給湯用バーナの燃焼量を制御して浴槽
へ、前記給水検知素子の制御信号（フィードバック）に
より大流量で自動給湯するとともに、前記給湯流量制御
弁を少流量に制御して、高温差し湯を前記浴槽自動給湯
通路を通して行なう構成にすることにより次のような効
果を有する。Effects of the Invention As described above, the present invention provides a heat exchanger for hot water supply, a reheating heat exchanger for a hot water circulation passage connected to a bathtub, and circulating hot water using a pump, and a proportional control valve connected in series to the original solenoid valve. A solenoid valve for hot water supply and a solenoid valve for reheating are branched from the proportional control valve and connected to each of the burner for hot water supply and the burner for reheating, and the heat exchanger for hot water supply is connected to each of the heat exchangers. A hot water supply thermistor is installed at the outlet of the hot water supply to detect the hot water temperature, and a reheating thermistor is installed at the inlet of the reheating heat exchanger to detect the circulating water temperature. , a hot water supply flow rate control valve provided in a bathtub automatic hot water supply passage connected to a bathtub, a water supply detection element provided in a water supply passage of a hot water supply heat exchanger to measure the amount of water supplied, and a control circuit, the control circuit controlling the water supply flow rate. The control valve is opened, and the proportional control valve is actuated by a control signal calculated using the signal from the hot water supply thermistor, and the amount of combustion of the hot water supply burner is controlled and sent to the bathtub. ) to automatically supply hot water at a large flow rate, and at the same time to control the hot water supply flow rate control valve to a small flow rate to supply high-temperature hot water through the bathtub automatic hot water supply passage, the following effects can be obtained.
（１）給湯・追焚共、一つの比例制御弁で燃焼量を比例
制御して湯温制御をするので湯温の安定化が図れる。(1) Both hot water supply and reheating use one proportional control valve to proportionally control the amount of combustion and control the hot water temperature, making it possible to stabilize the hot water temperature.
（２浴槽湯温か比例制御で湯温制御できるので、従来（
７）Ｈｉ −Ｌｏ−ＯＦＦあるいはＯＮ−〇ＦＦ制御に
よる湯温制御に比べて、省エネルギー化が図れる。(The hot water temperature can be controlled using 2-bath water temperature proportional control,
7) Energy saving can be achieved compared to hot water temperature control using Hi-Lo-OFF or ON-〇FF control.
自由にして工事性を向上させることが出来るとともに、
建物の美観とも損ねないものである。In addition to being able to improve construction efficiency by freeing
It does not detract from the beauty of the building.
に）給水検知素子を、給水量をカウントする水量センサ
ーとすることにより、自動給湯時には浴槽への給湯量を
任意に設定して自動的に停止することが出来、従来のよ
うに点火・消火水量を検知するセンサー以外に浴槽の水
位を検知する水位センサーを必要としない。(2) By using the water supply detection element as a water flow sensor that counts the amount of water supplied, during automatic hot water supply, the amount of hot water supplied to the bathtub can be arbitrarily set and stopped automatically, and the amount of water for ignition and extinguishing can be adjusted as usual. There is no need for a water level sensor to detect the water level in the bathtub other than the sensor that detects the water level in the bathtub.
（ｒ５ 浴槽の蓋をしたまま自動給湯が出来るので、
湯ざめもなく、省エネルギー化が図れ、経済的である。(r5 Hot water can be supplied automatically with the bathtub lid closed, so
There is no boiling water, and it saves energy and is economical.
（６）所期の風呂沸きとげ温度に追焚運転をせずに、自
動給湯運転のみで完了することが出来、従来のように自
動給湯後に追焚運転を必要としないので、風呂沸き丘が
り時間も短かくなり、経済的に快適な、お風呂の生活が
出来る。(6) The desired bath boiling temperature can be completed only by automatic hot water supply operation without additional heating operation, and unlike conventional hot water supply, additional heating operation is not required after automatic hot water supply, so bath boiling can be completed without additional heating operation. It takes less time and allows you to have a more economical and comfortable bath life.
（７）入浴中に湯冷した場合などに、給湯流量制御弁を
少流量に制御して高温差し湯を浴槽自動給湯通路を通し
て行なうことにより、大能力の給湯用バーナで制御する
ことが出来るので、短時間に昇温が出来るとともに、火
傷の恐れがない。(7) When cooling water while taking a bath, by controlling the hot water supply flow rate control valve to a small flow rate and pouring high-temperature hot water through the bathtub automatic hot water supply passage, it can be controlled using a high-capacity hot water supply burner. , the temperature can be raised in a short time, and there is no risk of burns.
（８） 自動給湯機能と自動高温差し揚機能および自
動給湯機能を自由に選択制御することにより、経済的に
快適な、お風呂の生活が出来る。(8) By freely selecting and controlling the automatic hot water supply function, automatic hot water supply function, and automatic hot water supply function, you can enjoy an economically comfortable bathing life.
第１図は本発明の一実施例を示す追焚機能付給湯機の構
成概略図、第２図は同制御回路の構成概略図、第３図は
同給湯能力特性図、第４図は給湯流量制御弁の駆動概略
図、第５図は同リモコンの正面図、第６図はフローチャ
ート、第７図は従来例の構成概略図である。
１・・・・・・給湯用熱交換器、２・・・・・・追焚用
熱交換器、３・・・・・・ポンプ、４・・・・・・浴槽
、１１・・・・・・元電磁弁、１２・・・・・・給湯用
電磁弁、１ａ・・・・・・比例制御弁、１４・・・−・
・給湯用バーナ、１５・・・・・・追焚用電磁弁、１６
・・・・・・追焚用バーナ、１７・・・・・・給水検知
素子、１８・・・・・・給湯用サーミスタ、１９・・・
・・・循環水検知素子、２０・・・・・・追焚用サーミ
スタ、２４・・・・・・給湯流量制御弁、２７・・・・
・・制御回路（制御部）、ＧＯ・・・・・・浴槽自動給
湯通路。
第 １ 図 １− 絵場用
熱交誤器２− 透焚側燕交糸器
３− ポンプ
４− 浴槽
第３図
第４図
第５図
第７図Fig. 1 is a schematic diagram of the configuration of a water heater with reheating function showing an embodiment of the present invention, Fig. 2 is a schematic diagram of the configuration of the control circuit, Fig. 3 is a hot water supply capacity characteristic diagram, and Fig. 4 is a hot water supply characteristic diagram. FIG. 5 is a front view of the remote controller, FIG. 6 is a flowchart, and FIG. 7 is a schematic diagram of the configuration of a conventional example. 1... Heat exchanger for hot water supply, 2... Heat exchanger for reheating, 3... Pump, 4... Bathtub, 11... ... Original solenoid valve, 12 ... Solenoid valve for hot water supply, 1a ... Proportional control valve, 14 ... ---
・Burner for hot water supply, 15...Solenoid valve for reheating, 16
... Burner for reheating, 17 ... Water supply detection element, 18 ... Hot water supply thermistor, 19 ...
... Circulating water detection element, 20 ... Reheating thermistor, 24 ... Hot water supply flow rate control valve, 27 ...
...Control circuit (control unit), GO...Tub automatic hot water supply passage. Fig. 1 1- Heat exchanger for painting area 2 - Open-fire side swallow threader 3 - Pump 4 - Bathtub Fig. 3 Fig. 4 Fig. 5 Fig. 7
Claims (1)
る温水循環通路の追焚用熱交換器と、元電磁弁に直列接
続した比例制御弁と、前記各熱交換器にのぞませた給湯
用バーナと追焚用バーナの各々に、前記比例制御弁より
分岐して接続した給湯用電磁弁および追焚用電磁弁と、
前記給湯用熱交換器の出口に設け、給湯湯温を検出する
給湯用サーミスタおよび追焚用熱交換器の入口に設け、
循環湯温を検出する追焚用サーミスタと、前記給湯用サ
ーミスタの下流の給湯通路から分岐し、浴槽に接続する
浴槽自動給湯通路に設けた給湯流量制御弁と、前記給湯
用熱交換器の給水通路に設け、給水量を演算計測する給
水検知素子と、制御回路とを備え、前記制御回路は前記
給湯流量制御弁を開弁し、前記給湯用サーミスタの信号
で演算処理した制御信号により、前記比例制御弁を動作
させ、前記給湯用バーナの燃焼量を制御して浴槽へ、前
記給水検知素子の制御信号（フィードバック）により大
流量で自動給湯するとともに、前記給湯流量制御弁を少
流量に制御して、高温差し湯を前記浴槽自動給湯通路を
通して行なうように構成してなる追焚機能付給湯機。A heat exchanger for hot water supply, a heat exchanger for reheating the hot water circulation passage connected to the bathtub and circulating hot water using a pump, a proportional control valve connected in series to the original solenoid valve, and a hot water supply system connected to each heat exchanger. a hot water supply solenoid valve and a reheating solenoid valve branched from the proportional control valve and connected to each of the reheating burner and the reheating burner;
Provided at the outlet of the hot water supply heat exchanger, a hot water supply thermistor for detecting the hot water temperature, and provided at the inlet of the reheating heat exchanger,
a reheating thermistor that detects the circulating hot water temperature; a hot water supply flow rate control valve provided in the bathtub automatic hot water supply passage that branches from the hot water passage downstream of the hot water supply thermistor and connects to the bathtub; and a water supply to the hot water heat exchanger. It is equipped with a water supply detection element that is installed in the passage and calculates and measures the amount of water supply, and a control circuit, and the control circuit opens the hot water supply flow rate control valve and controls the water supply flow rate control valve by using a control signal that is calculated using the signal of the hot water supply thermistor. The proportional control valve is operated to control the combustion amount of the hot water supply burner to automatically supply hot water to the bathtub at a large flow rate based on the control signal (feedback) of the water supply detection element, and the hot water supply flow rate control valve is controlled to a small flow rate. A water heater with a reheating function is configured to supply high-temperature hot water through the bathtub automatic hot water supply passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60264028A JPS62125254A (en) | 1985-11-25 | 1985-11-25 | Hot water supplier with additional burning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60264028A JPS62125254A (en) | 1985-11-25 | 1985-11-25 | Hot water supplier with additional burning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125254A true JPS62125254A (en) | 1987-06-06 |
Family
ID=17397547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60264028A Pending JPS62125254A (en) | 1985-11-25 | 1985-11-25 | Hot water supplier with additional burning function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125254A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026239A (en) * | 1983-07-21 | 1985-02-09 | Osaka Gas Co Ltd | Hot-water supply system with automatic bath function |
| JPS6060450A (en) * | 1983-09-13 | 1985-04-08 | Hitachi Chem Co Ltd | Automatic bath heater |
| JPS60216142A (en) * | 1984-04-10 | 1985-10-29 | Matsushita Electric Ind Co Ltd | Hot water temperature controlling device of dual water circuit-in-two heater hot water supplying space heater |
-
1985
- 1985-11-25 JP JP60264028A patent/JPS62125254A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026239A (en) * | 1983-07-21 | 1985-02-09 | Osaka Gas Co Ltd | Hot-water supply system with automatic bath function |
| JPS6060450A (en) * | 1983-09-13 | 1985-04-08 | Hitachi Chem Co Ltd | Automatic bath heater |
| JPS60216142A (en) * | 1984-04-10 | 1985-10-29 | Matsushita Electric Ind Co Ltd | Hot water temperature controlling device of dual water circuit-in-two heater hot water supplying space heater |
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