JPS62125253A - Hot water supplier with additional burning function - Google Patents
Hot water supplier with additional burning functionInfo
- Publication number
- JPS62125253A JPS62125253A JP60264032A JP26403285A JPS62125253A JP S62125253 A JPS62125253 A JP S62125253A JP 60264032 A JP60264032 A JP 60264032A JP 26403285 A JP26403285 A JP 26403285A JP S62125253 A JPS62125253 A JP S62125253A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water supply
- reheating
- bathtub
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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 that automatically supplies hot water to a bathtub.
従来の技術
近年、追焚機能付給湯機は給湯機と浴槽とを接続し、ポ
ンプで温水（浴槽水）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、風呂装置の自動沸きあげ化が進
んでいる。Conventional technology In recent years, water heaters with reheat function have been developed as composite products that connect the water heater and bathtub and combine the reheating device that circulates hot water (bathwater) with a pump. Automatic heating of bath equipment is progressing, including those that have added a function to heat water.
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２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. 2 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。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。1 is a heat exchanger for hot water supply, and is connected to water supply ports 1a and 1b. 2 is a reheating heat exchanger connected to a hot water return port 2a and a hot water inlet 2b. 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 the bathtub 4 is connected to the hot water return port 2a and the hot water inlet 2b by a connecting pipe 5.
are connected 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.
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１元電磁弁１
１から分岐して、給湯用電磁弁１２と比例制御弁１３を
通して給湯用バーナ１４に、そして追焚用電磁弁１５を
通して追焚用バーナ１６に各々接続して構成されてｌ／
）る。Further, it is formed in a part of the case 10 so that combustion air can be supplied from the air supply port 9. Fuel passage is 1 solenoid valve 1
The l/
).
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。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４へ自動給湯する為の給湯制制弁２
４とホッパー２５と水位センサ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。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２
８によつて動作するように構成されている。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 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. The hot water supply tap 21 is connected to the hot water supply port 1b through a hot water supply pipe 22 to, for example, a bathroom or kitchen, and a hot water supply control valve 2 is provided for automatically supplying hot water to the bathtub 4.
An automatic hot water supply unit 23 having a water supply pipe 22, a hopper 25, and a water level sensor 26 is provided branching off from the hot water supply pipe 22 and connected to the bathtub 4. In response to signals from the various sensors mentioned above, actuators (electromagnetic valves, pumps, etc.) are connected to the control circuit 27 and the remote controller 2.
8.
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, the operation will be explained. When the water heater 21 is opened, water flows into the water supply passage, and the water supply detection element 17 is activated.
The main solenoid valve 11, the hot water supply solenoid valve 12, and the proportional control valve 13 are opened, and the fuel flowing to the hot water supply burner 14 is ignited, and the hot water temperature is controlled by the remote controller 28 according to the signal from the hot water supply thermistor 18.
The proportional control valve 13 is operated with the output calculated by the control circuit 27 so that the hot water temperature is set by a hot water temperature setting device (not shown), and the combustion amount of the hot water burner 14 is controlled. It is configured to stably control 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３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、これを検知した
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。On the other hand, by operating a reheating switch (not particularly shown) provided on the remote control 28, the pump 3 is operated and the water or hot water stored in the bathtub 4 is circulated, and the circulating water detection element 19 detects this. operates, and the main solenoid valve 11 and reheating solenoid valve 15 open.
追焚用バーナ１６に流れた燃料に点火させる。そして、
循環されている戻り湯温を感知し、前記追焚用熱交換器
２０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
沸き上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。The fuel flowing into the reheating burner 16 is ignited. and,
The temperature of the circulating return water is sensed, and the bath is heated using a signal from the reheating thermistor 20 installed at the inlet of the reheating heat exchanger 20 and a bathtub water temperature setting device (not shown) on the remote control 28. The control circuit 27 is operated to raise the temperature,
The reheating solenoid valve 15 is operated to control the combustion amount of the reheating burner 16, 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
化と、浴槽温度の自動温調を実現している。Furthermore, when an automatic hot water supply switch (not shown) provided on the remote controller 28 is operated, the hot water supply control valve 24 of the automatic hot water supply unit 23 opens and the hot water temperature set by the hot water temperature setting device (not shown) on the remote controller 28 is opened. By operating the proportional control valve 13 with the output calculated by the control circuit 27 and controlling the combustion amount of the hot water supply burner 14 so that the hot water temperature becomes automatic, the hot water temperature is stably controlled. Automatic hot water supply to the bathtub 4 and automatic temperature control of the bathtub temperature are realized.
発明が解決しようとする問題点
しかしながら、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シ、建
物の構成上、浴室が部屋の中央にある場合に取付が不可
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１問題点を有していた
。Problems to be Solved by the Invention However, in the above configuration, the automatic hot water supply unit 23 needs to be installed in the immediate vicinity of the bathtub 4. In addition to being impossible to install, even if it were possible to install it on the wall, it would have problems with the appearance and aesthetics of the building.
本発明は上記問題点に鑑み、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、美観上で有効
なものを提供しようとするものである。In view of the above-mentioned problems, the present invention aims to provide an automatic hot water supply function that is inexpensive, can be installed freely, and is effective in terms of workability and aesthetics.
問題点を解決するだめの手段
上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、給湯用熱器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。Means for Solving the Problems In order to solve the above-mentioned problems, the water heater with reheating function of the present invention has a hot water circulation passage connected to a heat exchanger for hot water supply and a bathtub and circulates hot water using a pump for reheating. A heat exchanger and a proportional control valve connected in series to the original solenoid valve.
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多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。A solenoid valve for hot water supply and a solenoid valve for reheating which are connected to each of the burner for hot water supply and the burner for reheating in a multi-branched manner than the proportional control valve, and the heat exchanger for hot water supply A hot water supply thermistor is installed at the outlet of the hot water supply to detect the temperature of hot water, and a reheating thermistor is installed at the inlet of the reheating heat exchanger to detect the circulating water temperature.
前記給湯用サーミスタの下流の給湯通路から分岐して浴
槽と接続した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、任意の設定給水
量を検知して前記給湯流量制御弁を閉成する給水検知素
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、かつ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
て前記給湯用バーナの燃焼量を制御するとともに、給湯
用サーミスタの信号が、給湯能力をこえた場合には、前
記ポンプを作動させ、かつ前記追焚用電磁弁も開弁じて
前記追焚用バーナも同時に燃焼させて浴槽へ自動給湯し
、浴槽への前記浴槽自動給湯通路と追焚用温水循環路は
、浴槽内に設けた１箇所のアダプターを介して浴槽に接
続され、追焚用温水循環路の追焚用熱交換器への復管は
前記アダプターを貫通して中央に開口し、前記追焚用温
水循環路の往管と前記浴槽自動給湯通路を前記追焚用温
水循環路の復管の外側に位置して下向き開口の前記アダ
プター内に開口させたものである。A hot water supply flow rate control valve provided in an automatic hot water supply passage branching from the hot water supply passage downstream of the hot water supply thermistor and connected to the bathtub, and provided in the water supply passage of the hot water heat exchanger, detects an arbitrary set water supply amount. The control circuit includes a water supply detection element that closes the hot water supply flow rate control valve, and a control circuit, and the control circuit opens the hot water supply flow rate control valve and operates the hot water supply flow rate control valve according to a control signal calculated based on 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, and when the signal from the hot water supply thermistor exceeds the hot water supply capacity, the pump is operated and the reheating solenoid valve is also opened. As a result, the reheating burner is also combusted at the same time to automatically supply hot water to the bathtub, and the automatic bathtub hot water supply path and the reheating hot water circulation path to the bathtub are connected to the bathtub via an adapter provided in one place in the bathtub. The return pipe of the reheating hot water circulation path to the reheating heat exchanger passes through the adapter and opens at the center, and the outgoing pipe of the reheating hot water circulation path and the bathtub automatic hot water supply passage are connected to the reheating heat exchanger. It is located outside the return pipe of the heating hot water circulation path and opens into the downwardly opening adapter.
作 用
本発明は上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 above-described configuration, the present invention operates the proportional control valve with the output calculated by the control circuit based on the signal from the hot water supply thermistor during hot water supply operation to control the combustion amount of the hot water supply burner to stabilize the hot water temperature. can be controlled. 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、上記両者の同時運転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, for simultaneous operation of both of the above, 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 on the reheating side, the reheating thermistor is activated. 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通路を通して
浴槽へ自動給湯し、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
湯温を所期の風呂沸き上げ温度に、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 control valve, hot water is automatically supplied from the hot water supply heat exchanger to the bathtub through the automatic bathtub passage, and the temperature of the automatic hot water supply is processed by the control circuit according to the signal from the hot water supply thermistor. The proportional control valve is operated with the output output, and the combustion amount of the hot water supply burner is controlled to bring the bath water temperature to the desired bath boiling temperature, which can be completed with only automatic hot water supply operation without reheating operation. .
また、浴槽への自動給湯時に給湯用サーミスタの信号が
給湯能力をこえた場合には、ポンプを運転し、追焚用電
磁弁も開弁して追焚用バーナも同時に燃焼させ、自動給
湯回路からの温水と追焚用循環通路の往き口からの温水
を浴槽内のアダプターで混合させ下方に噴出させて浴槽
への給湯温度を一定にし、浴槽内の湯温分布を均一にす
る。また、前記アダプターの中央に設け、浴槽内に開口
した追焚用戻り口から、追い焚き往き１口と、自動給湯
口からの高温な、お湯に影響しない、浴槽中段の温水を
吸入することにより、追い焚き用サーミスタが適確に浴
槽内の温度を感知することができ、浴槽湯温を所期の風
呂沸き上げ温度まで短時間に自動給湯することが出来る
。In addition, if the hot water supply thermistor signal exceeds the hot water supply capacity during automatic hot water supply to the bathtub, the pump is operated, the reheating solenoid valve is also opened, and the reheating burner is simultaneously combusted, and the automatic hot water supply circuit The hot water from the bathtub and the hot water from the outlet of the reheating circulation passage are mixed by an adapter inside the bathtub and jetted downward to maintain a constant temperature of hot water supply to the bathtub and to make the hot water temperature distribution inside the bathtub uniform. In addition, from the reheating return port installed in the center of the adapter and opening into the bathtub, one reheating port and the automatic hot water supply port draw high-temperature water from the middle of the bathtub that does not affect the hot water. The reheating thermistor can accurately sense the temperature inside the bathtub, and the hot water in the bathtub can be automatically heated to the desired bath temperature in a short time.
また部品点数も少なく出来、自動給湯機能をコスト安価
にし、しかも、設置フリーにして工事性、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 installation is free, making it easier to construct 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。１は給湯用熱交換器で、給水口１ａお
よび給湯口１ｂと給湯流量制御弁２４を介して自動給湯
口１ｃにそれぞれ接続されており、さらに給水側通路に
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を浴槽４に設け、下向き開口３０ａを有する浴槽接
続口３０（アダプターともいう）に接続管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。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the schematic diagram of the configuration shown in FIG. Reference numeral 1 designates a heat exchanger for hot water supply, which is connected to an automatic hot water supply port 1c via a water supply port 1a, a hot water supply port 1b, and a hot water flow rate control valve 24, and further includes a water supply side passageway that detects water supply and sends a signal. It has a detection element 17 (such as a water amount sensor that counts the amount of water). 2 is a heat exchanger for reheating, and is 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 the hot water return port 2a and the hot water spout 2b are connected to the bathtub 4. The bathtub connection port 30 (also referred to as an adapter) having a downward opening 30a is connected by a connection pipe 5 to form a hot water circulation passage. An exhaust pipe 6 is connected to each of the heat exchangers 1 and 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.
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を通して給湯バ
ーナ１４と、追焚用電磁弁１５を通して追焚用バーナ１
６に、前記比例制御弁１３が共通に接続されるように分
岐接続する。前記給湯用熱交換器１の出口に設けた給湯
用サーミスタ１８の信号とリモコン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。The fuel passage connects the original solenoid valve 11 and the proportional control valve 13 in series, and branches from this to the hot water supply burner 14 through the hot water supply solenoid valve 12, and the reheating burner 1 through the reheating solenoid valve 15.
6, the proportional control valves 13 are branched and connected so that they are connected in common. The control circuit 27 performs arithmetic processing so that the hot water temperature is set by the signal from the hot water thermistor 18 provided at the outlet of the hot water heat exchanger 1 and the hot water temperature setting device (not shown) of the remote controller 28. The proportional control valve 13
is operated to control the combustion amount of the hot water supply burner 14 to stably control the temperature of hot water.
一方、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２日の浴槽湯温設定器（図
示せず）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、前記追焚用バーナ１６の燃焼量を制御
して、循還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, so that the bath boiling temperature is set by the signal of the reheating thermistor 20 installed at the entrance of the reheating heat exchanger 2 and the bathtub water temperature setting device (not shown) on the remote controller 2,
The output calculated by the control circuit 27 operates the proportional control valve 13 to control the combustion amount of the reheating burner 16, thereby stably controlling the circulating hot water and controlling the bathtub water temperature. It is composed of
尚、浴槽湯温の立上シを早くする為、前記比例制御弁１
３で飼料される前記追焚用バーナ１６の燃焼量を浴槽湯
温設定器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上が９温度に到達した時
に、前記追焚用電磁升１５を閉弁するように前記制御回
路２７を構成している。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
うに構成しである。In addition, in order to quickly raise the temperature of the bath water, the proportional control valve 1
When the combustion amount of the reheating burner 16 fed in step 3 is controlled at the maximum capacity without proportional control until the bath boiling temperature is set by the bathtub water temperature setting device, when the boiling temperature reaches 9 temperature. , the control circuit 27 is configured to close the reheating electromagnetic box 15. The hot water supply solenoid valve 12 and the reheating solenoid valve 15 are configured to open and close when controlling the respective hot water temperatures.
また、給湯と追焚の同時運転時には前記制御回路２７で
優先的に給湯用モードで演算処理された出力で前記比例
制御弁１３を動作させた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ように構成しである。In addition, when hot water supply and reheating are simultaneously operated, the control circuit 27 operates the proportional control valve 13 to stably control the hot water temperature using the output computed in the hot water supply mode with priority, and the reheating side The bathtub water temperature is stably controlled by opening and closing the reheating solenoid valve 15 using a signal from the reheating thermistor 20.
さらに、自動給湯運転時には給湯流量制御弁２４を上流
にして下流に安全弁（バキュームブレーカ）２９を設け
た浴槽自動給湯通路３１を、給湯用サーミスタ１８の下
流から分岐して設けている。そして前記給湯流量制御弁
２４を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の信号により、前記制御
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
湯温を安定に制御して、前記浴槽４へ自動給湯するよう
に構成しである。また冬期などの水温が低い場合などに
給湯能力以上になって前記給湯用サーミスタ１８の信号
が自動給湯設定温度よりも低くなった場合には、ポンプ
３を運転し、循環水検知素子１９で通水を検知し、前記
迫焚用電磁弁１５も開弁して前記追焚用バーナ１６も同
時に燃焼させることにより、大能力で浴槽湯温を所期の
風呂沸き上げ温度まで短時間に自動給湯するように構成
しである。Further, during automatic hot water supply operation, an automatic bathtub hot water supply passage 31 is provided downstream of the hot water supply thermistor 18, with the hot water supply flow rate control valve 24 upstream and a safety valve (vacuum breaker) 29 provided downstream. Then, by opening the hot water supply flow rate control valve 24, the proportional control valve 13 is operated by the output processed by the control circuit 27 through the hot water heat exchanger 1 and by the signal from the hot water supply thermistor 18. The hot water supply burner 14 is operated to control the combustion amount of the hot water supply burner 14 to stably control the temperature of the hot water to supply hot water to the bathtub 4 automatically. In addition, when the water temperature is low such as in winter, when the hot water supply capacity is exceeded and the signal of the hot water supply thermistor 18 becomes lower than the automatic hot water supply setting temperature, the pump 3 is operated and the circulating water detection element 19 is activated. By detecting water, opening the reheating solenoid valve 15, and simultaneously combusting the reheating burner 16, the bathtub water temperature is automatically heated to the desired bath boiling temperature in a short time with high capacity. It is configured to do so.
上記実施例の動作を説明する。The operation of the above embodiment will be explained.
ｌ、給湯運転
給湯口１ｂに接続された給湯配管２２を通して、例えば
浴室や台所などの給湯せん２１を開けると。l. Hot water supply operation When the hot water heater 21 in a bathroom or kitchen, for example, is opened through the hot water supply pipe 22 connected to the hot water supply opening 1b.
給水検知素子１７で給水を検知して給湯運転シーケンス
が動作するように構成されており、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１
３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 supply detection element 17 detects water supply and the hot water supply operation sequence is activated, and the exhaust fan 7 rotates. Original solenoid valve 11, hot water supply solenoid valve 12, proportional control valve 1
3 is opened to keep the fuel ignited. (The ignition holding means is not particularly shown in the figure.) When the hot water supply burner 14 burns, the hot water supply heat exchanger 1 is heated, and the hot water supply port 1b is heated.
Hot water is discharged from the hot water heater 21 through the hot water tap.
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（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１
４の燃焼量を制御して給湯湯温を安定に制御する。The output temperature of the hot water is detected by the hot water supply thermistor 18, and the proportional control valve is controlled by the output processed by the control circuit 27 so that the hot water temperature is set by the hot water temperature setting device (not shown) of the remote controller 28. 13 to operate the hot water supply burner 1.
The combustion amount of step 4 is controlled to stably control the hot water temperature.
川、追焚運転
一方、リモコン２８に設けた追焚運転スイッチ（特に図
示せず）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。そして、浴槽４に予め蓄えられた湯や水が
ポンプ３で循環されると。On the other hand, by operating the reheating operation switch (not particularly shown) provided on the remote control 28, the pump 3 and the exhaust fan 7 are activated.
rotates. Then, hot water or water previously stored in the bathtub 4 is circulated by the pump 3.
循環水検知素子１９が検知して追焚運転シーケンスが動
作するように構成されてお９１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（図示せず）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。The circulating water detection element 19 is configured to detect the reheating operation sequence and operate the reheating operation sequence. The proportional control valve 13 is opened to keep the fuel ignited. (The ignition holding means is not particularly shown in the figure.) When the reheating burner 15 burns, the reheating heat exchanger 2 is heated, 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. The control circuit 27 calculates the circulating hot water equal to the water temperature in the bathtub 4 so that it reaches the bath boiling temperature set by the signal from the reheating thermistor 20 and the bathtub water temperature setting device (not shown) of the remote control 28. The proportional control valve 13 is operated using the processed output to control the combustion amount of the reheating burner 16, thereby stably controlling the circulating hot water and controlling the bathtub water temperature.
尚、浴槽湯温の立上シを早くする為、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上が９温度に到達した時
に、追焚用電磁弁１５を閉弁する。In addition, in order to quickly raise the temperature of the bath water, 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, and the boiling temperature reaches 9 temperature. , closes 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を操
作すると、給湯流量制御弁２４を開弁し。(2) Automatic hot water supply operation When the automatic hot water supply operation switch provided on the remote controller 28 is operated, the hot water supply flow rate control valve 24 is opened.
前記給湯用熱交換器１を通して、自動給湯口１ｃから、
自動給湯接続管３２を経由しアダプター３０より浴槽４
へ自動給湯される。そして、給水検知素子１７で、その
給水を検知して自動給湯運転シーケンスが動作するよう
に構成されており排気ファン７が回転する。From the automatic hot water supply port 1c through the hot water supply heat exchanger 1,
Bathtub 4 from adapter 30 via automatic hot water supply connection pipe 32
Water is automatically supplied to the Then, the water supply detection element 17 is configured to detect the water supply and operate an automatic hot water supply operation sequence, 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、自動給湯口１ｃから
浴槽４へ自動給湯される。その給湯温度を給湯用サーミ
スタ１８で検知してリモコン２８の浴槽湯温設定器（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へ自動給湯する。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) Then, the hot water supply heat exchanger 1 is heated by combustion of the hot water supply burner 14, and hot water is automatically supplied to the bathtub 4 from the automatic hot water supply port 1c. The proportional control valve 13 uses an output calculated by the control circuit 27 to detect the hot water supply temperature with the hot water supply thermistor 18 and set the hot water supply temperature with the bathtub hot water temperature setting device (not shown) of the remote control 28. is operated to control the combustion amount of the hot water supply burner 14 to stably control the temperature of hot water and automatically supply hot water to the bathtub 4.
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
。By doing so, it is possible to complete the automatic hot water supply operation only without reheating the bath to the desired temperature.
■、自動給湯と追焚の同時運転
また、冬期などの水温が低い場合などに給湯能力以上に
なって前記給湯用サーミスタ１８の信号が自動給湯設定
温度よりも低くなった場合には、ポンプ３を運転し、前
記追焚用電磁弁１５も開弁して前記追焚用バーナ１６も
同時に燃焼させて、自動給湯と追焚運転を同時に行なう
ことにより大能力で、前記リモコン２８の浴槽湯温設定
器（図示せず）で設定された給湯温度になるように、追
焚用熱交換器２の上流に設けた追焚用サーミスタ２０で
浴槽４内の湯温を感知し、前記追焚用電磁弁１５を開閉
することにより、前記浴槽４への浴槽湯温を所期の風呂
沸き上げ温度まで短時間に自動給湯することが出来る。■ Simultaneous operation of automatic hot water supply and reheating Also, when the water temperature is low such as in winter, if the hot water supply capacity is exceeded and the signal of the hot water supply thermistor 18 becomes lower than the automatic hot water supply setting temperature, the pump 3 , the reheating solenoid valve 15 is also opened, the reheating burner 16 is also combusted at the same time, and automatic hot water supply and reheating operation are performed at the same time. The reheating thermistor 20 provided upstream of the reheating heat exchanger 2 senses the water temperature in the bathtub 4 so that the hot water temperature is set by a setting device (not shown). By opening and closing the solenoid valve 15, hot water can be automatically supplied to the bathtub 4 up to the desired bath boiling temperature in a short time.
浴槽４への給湯量は給水検知素子１７に給水量をカウン
トする水量センサーを使用しているので、点火・消火水
量を検知するとともに、自動的に給湯流量制御弁２４を
閉弁して自動給湯を停止することが出来る。又、給湯能
力以上になった場合の追焚運転の開始する水量をあらか
じめ制御回路２７に記憶させておき、水量センサーから
の信号によυ、アダプター３０の位置より下部での水量
での追焚運転、すなわち、ポンプ３の空運転を防止する
ことが出来る。The amount of hot water supplied to the bathtub 4 is determined using a water amount sensor that counts the amount of water supplied to the water supply detection element 17, so the amount of ignition/extinguishing water is detected, and the hot water supply flow rate control valve 24 is automatically closed to automatically supply hot water. can be stopped. In addition, the amount of water at which reheating operation will start when the hot water supply capacity is exceeded is stored in advance in the control circuit 27, and reheating is performed at the amount of water below the position of the adapter 30 according to the signal from the water amount sensor. In other words, it is possible to prevent the pump 3 from running idle.
安全弁（バキュームブレーカ）２９は、自動給湯運転停
止時に、給湯流量制御弁から下流に、空気層を設け、浴
槽循環路から給湯回路への逆流を防止する為のものであ
る。The safety valve (vacuum breaker) 29 provides an air layer downstream from the hot water flow rate control valve to prevent backflow from the bathtub circulation path to the hot water circuit when the automatic hot water supply operation is stopped.
また、アダプター３０内に開口した自動給湯接続管３２
からの高温湯と、アダプター３０内に開口した接続管５
の温水注口２ｂ側からの追焚された浴槽水が混合されて
浴槽４内に供給され、そしてアダプター３０を貫通して
浴槽４内に開口した接続管５の温水戻口２ａ側から浴槽
水が追焚用熱交換器２に戻９、浴槽湯温を追い焚用サー
ミスタ２０が正しく検知できる。In addition, an automatic hot water supply connection pipe 32 opened in the adapter 30
and the connecting pipe 5 opened in the adapter 30.
The reheated bathtub water from the hot water spout 2b side is mixed and supplied into the bathtub 4, and the bathtub water is supplied from the hot water return port 2a side of the connecting pipe 5 that penetrates the adapter 30 and opens into the bathtub 4. is returned to the reheating heat exchanger 2 (9), and the reheating thermistor 20 can correctly detect the bathtub water temperature.
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水路の追焚用熱交
換器と９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υ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
分岐して浴槽と接続した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、任意
の設定給水量を検知して前記給湯流量制御弁を閉成する
給水検知素子と。Effects of the Invention As described above, the present invention comprises a heat exchanger for hot water supply, a reheating heat exchanger for a hot water circulation channel that is connected to a bathtub and circulates hot water using a pump, and a proportional control valve that is connected in series to a 9-way solenoid valve. , a solenoid valve for hot water supply and a solenoid valve for reheating which are branched from the proportional control valve and connected to each of the burner for hot water supply and the burner for reheating that are connected to each of the heat exchangers, and the heat exchanger for hot water supply. A hot water supply thermistor installed at the outlet of the water heater to detect the hot water temperature; a reheat thermistor installed at the inlet of the reheat heat exchanger to detect the circulating water temperature; and a hot water supply path branched from the hot water supply path downstream of the hot water supply thermistor. A hot water supply flow rate control valve is provided in the bathtub automatic hot water supply passage connected to the bathtub, and a water supply detection system is provided in the water supply passage of the hot water supply heat exchanger to detect an arbitrarily set water supply amount and close the hot water supply flow rate control valve. With Motoko.
制御回路とを備え、制御回路は前記給湯量制御弁を開弁
し、かつ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て前記給湯用
バーナの燃焼量を制御するとともて、給湯用サーミスタ
の信号が、給湯能力をこえた場合には、前記ポンプを動
作させ、前記追焚用電磁弁を開弁して前記追焚用バーナ
も同時に燃焼させて浴槽へ自動給湯し、浴槽への浴槽自
動給湯通路と追焚用温水循環路は浴槽内に設けた１箇所
のアダプターによυ接続され、前記追焚用温水循環路の
追焚用熱交換器への復管は、アダプターを貫通して中央
に開口し、前記追焚用温水循環路の往管と前記浴槽自動
給湯通路を、前記追焚用温水循環路の復管の外側に位置
してアダプター内に開口させたもので、次のような効果
を有する。and a control circuit, the control circuit opens the hot water supply amount control valve and operates the proportional control valve according to a control signal calculated based on the signal of the hot water supply thermistor to control the combustion amount of the hot water supply burner. When the hot water supply thermistor signal exceeds the hot water supply capacity, the pump is operated, the reheating solenoid valve is opened, and the reheating burner is simultaneously combusted to supply water to the bathtub. Hot water is automatically supplied, and the bathtub automatic hot water supply path to the bathtub and the reheating hot water circulation path are connected by one adapter installed in the bathtub, and the reheating hot water circulation path is connected to the reheating heat exchanger. The return pipe penetrates the adapter and opens in the center, and connects the outgoing pipe of the reheating hot water circulation path and the bathtub automatic hot water supply passage to the outside of the return pipe of the reheating hot water circulation path inside the adapter. It has the following effects.
（１）給湯・追焚とも、一つの比例制御弁で燃焼量を比
例制御して湯温制御するので湯温の安定化が図れる。(1) Both hot water supply and reheating use a single 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）特に、浴槽湯温が自動給湯により、比例制御で湯
温制御できるので、従来のＨｉ −Ｌ Ｏ−ＯＦ Ｆあ
るいは０Ｎ−ＯＦＦ制御による湯温制御に比べて、省エ
ネルギー化が図れる。(2) In particular, since the bathtub water temperature can be controlled by proportional control through automatic hot water supply, energy savings can be achieved compared to conventional hot water temperature control using Hi-L O-OFF or ON-OFF control.
（３）自動給湯機能を本体に内蔵したので、コスト安価
にして、しかも、設置自由にして工事性を向上させるこ
とが出来るとともに、建物の美観上も損ねないものであ
る。(3) Since the automatic hot water supply function is built into the main body, the cost can be reduced, installation can be done freely, and construction workability can be improved, and the appearance of the building will not be impaired.
（４１給水検知素子を給水量をカウントする水量センサ
ーにすることにより、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。(By using the 41 water supply detection element as a water flow sensor that counts the amount of water supplied, the amount of hot water supplied to the bathtub can be arbitrarily set and stopped automatically during automatic hot water supply, 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 for detection.
（５）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。(5) Since hot water can be supplied automatically while the bathtub lid is closed, there is no leakage of hot water, which saves energy and is economical.
（６）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、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。(6) It is possible to complete the automatic hot water supply operation without reheating the bath to the desired bath temperature, and there is no need for reheating operation after automatic hot water supply as in the conventional method.
風呂沸き上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。The time it takes for the bath to boil is shortened, allowing you to enjoy an economical and comfortable bath life.
（７）冬期などの水温が低い場合などに給湯能力以上に
なって給湯用サーミスタの信号が自動給湯設定温度より
も低くなった場合には、ポンプを運転し追焚用電磁弁も
開弁して追焚用バーナも燃焼させて、自動給湯、追焚運
転を同時に行なうことにより、大能力で浴槽湯温を所期
の風呂沸き上げ温度まで短時間に自動給湯することが出
来る。又、自動給湯と、追焚往き口の浴槽への接続を、
アダプターで一箇所に集め混合させたお湯を、浴槽下部
に噴出することにより、浴槽湯温を均一にし、かつ、追
焚戻９０をアダプターを貫通して中央に開口し、浴槽中
段部の湯を吸入することにより、真の浴槽内の湯温を、
追焚用サーミスタで感知させることができ、設定温度に
正確に沸き上げが出来る。(7) When the water temperature is low, such as during winter, if the hot water supply capacity is exceeded and the hot water supply thermistor signal becomes lower than the automatic hot water supply setting temperature, the pump is operated and the solenoid valve for reheating is also opened. By also combusting the reheating burner and performing automatic hot water supply and reheating operation at the same time, it is possible to automatically supply hot water in the bathtub to the desired bath boiling temperature in a short time with high capacity. In addition, automatic hot water supply and connection of the reheating outlet to the bathtub,
The hot water collected in one place with an adapter is then jetted out to the bottom of the bathtub to make the bathtub water temperature uniform, and the reheating return 90 is opened in the center through the adapter to drain the hot water in the middle part of the bathtub. By inhaling, the true temperature of the water in the bathtub,
It can be sensed by a reheating thermistor and the temperature can be accurately heated to the set temperature.
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、１３・・・・・・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・・・・・・
循環水検知制御弁、ａＯ・・・・・・アダプター。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第２
図FIG. 1 is a schematic diagram of the configuration of a water heater with reheating function showing an embodiment of the present invention, and FIG. 2 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, 13 ... 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 control valve, aO...adapter. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
figure
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て浴槽と接続した浴槽自動給湯
通路を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、任意の設定給水量を検知して前記給湯流量
制御弁を閉成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制御弁を開弁し、かつ前記給湯
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て前記給湯用バーナの燃焼量を
制御するとともに、給湯用サーミスタの信号が、給湯能
力をこえた場合には、前記、ポンプを作動させ、前記追
焚用電磁弁も開弁して前記追焚用バーナも同時に燃焼さ
せて浴槽へ自動給湯し、浴槽への浴槽自動給湯通路と追
焚用温水循環路は浴槽内に設けた、１箇所のアダプター
を介して浴槽に接続され、前記追焚用温水循環路の追焚
用熱交換器への復管は、前記アダプターを貫通して中央
に開口し、前記追焚用温水循環路の往管と前記浴槽自動
給湯通路を、前記追焚用温水循環路の復管の外側に位置
して下向き開口の前記アダプター内に開口させた追焚機
能付給湯機。A heat exchanger for hot water supply, a reheating heat exchanger in a hot water circulation passage that is connected to the bathtub and circulates hot water using a pump, a proportional control valve connected in series to the original solenoid valve, and a hot water supply branched from and connected to 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 installed at the inlet of the heat exchanger for reheating to detect the circulating water temperature. A heating thermistor, a hot water supply flow rate control valve provided with an automatic hot water supply passage for the bathtub that branches from the hot water passage downstream of the hot water supply thermistor and connects to the bathtub, and a hot water supply flow control valve provided in the water supply passage of the hot water heat exchanger to control the water supply at any setting. comprising a water supply detection element that detects the amount of hot water supply and closes the hot water flow rate control valve, and a control circuit;
The control circuit opens the hot water supply control valve, operates the proportional control valve in response to a control signal calculated using the signal from the hot water supply thermistor, and controls the combustion amount of the hot water supply burner. If the thermistor signal exceeds the hot water supply capacity, the pump is activated, the reheating solenoid valve is also opened, and the reheating burner is simultaneously fired to automatically supply hot water to the bathtub. The bathtub automatic hot water supply passage and the reheating hot water circulation path are connected to the bathtub via a single adapter installed in the bathtub, and the return pipe of the reheating hot water circulation path to the reheating heat exchanger is , which penetrates the adapter and opens in the center, and connects the outgoing pipe of the reheating hot water circulation path and the bathtub automatic hot water supply passage to the downwardly opening pipe located outside the return pipe of the reheating hot water circulation path. A water heater with a reheating function that opens inside the adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60264032A JPH0733927B2 (en) | 1985-11-25 | 1985-11-25 | Hot water heater with additional heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60264032A JPH0733927B2 (en) | 1985-11-25 | 1985-11-25 | Hot water heater with additional heating function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62125253A true JPS62125253A (en) | 1987-06-06 |
| JPH0733927B2 JPH0733927B2 (en) | 1995-04-12 |
Family
ID=17397599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60264032A Expired - Lifetime JPH0733927B2 (en) | 1985-11-25 | 1985-11-25 | Hot water heater with additional heating function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733927B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441762A (en) * | 1987-08-08 | 1989-02-14 | Sanyo Electric Co | Adaptor for bath |
| JP2002048392A (en) * | 2000-05-24 | 2002-02-15 | Chubu Electric Power Co Inc | Hot water supplying system |
-
1985
- 1985-11-25 JP JP60264032A patent/JPH0733927B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441762A (en) * | 1987-08-08 | 1989-02-14 | Sanyo Electric Co | Adaptor for bath |
| JP2002048392A (en) * | 2000-05-24 | 2002-02-15 | Chubu Electric Power Co Inc | Hot water supplying system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733927B2 (en) | 1995-04-12 |
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