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JP3885366B2 - Bath dropping device - Google Patents
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JP3885366B2 - Bath dropping device - Google Patents

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Publication number
JP3885366B2
JP3885366B2 JP16611898A JP16611898A JP3885366B2 JP 3885366 B2 JP3885366 B2 JP 3885366B2 JP 16611898 A JP16611898 A JP 16611898A JP 16611898 A JP16611898 A JP 16611898A JP 3885366 B2 JP3885366 B2 JP 3885366B2
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Prior art keywords
hot water
solar
water
temperature
heater
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JPH11344255A (en
Inventor
栄一 辻
寿人 片岡
晃宏 梁田
和俊 松田
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Noritz Corp
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Noritz Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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Description

【0001】
【発明の属する技術分野】
本発明は、ソーラー給湯器等の補助給湯器を接続して補助給湯器からの温水を必要に応じて主給湯器に供給して風呂落とし込みを行う風呂落とし込み装置に関する。
【0002】
【従来の技術】
従来、補助給湯器、例えばソーラー給湯器(太陽熱温水器)を接続して補助給湯器からの温水を必要に応じて主給湯器に供給することができるようにした給湯装置を用いて風呂の落とし込みを行うものがある。
ところが、従来のソーラー給湯器を接続した給湯装置においては、ソーラー給湯器からの給湯温度が基準給湯温度を超える場合に、給湯温度を低下させる手段を備えていないため、そのまま高温の給湯が行われて給湯装置即ち主給湯器からの出湯温度が高くなり過ぎるという問題があった。
【0003】
この問題を解決するために、 例えば、ソーラー給湯器からの給湯温度が基準給湯温度以上である場合は、冷水を混合し、給湯温度を基準給湯温度に低下させてから主給湯器に供給し、逆に給湯温度が基準給湯温度未満である場合は、ソーラー給湯器側で基準給湯温度より低い基底温度に一旦低下させてから主給湯器に供給し、主給湯器で出湯燃焼を行なって給湯装置からの出湯温度を設定出湯温度にして出湯する。
【0004】
【発明が解決しようとする課題】
しかしながら、従来のソーラー給湯器を直接接続した給湯装置においては、ソーラー給湯器からの湯を直接、設定湯量と残り湯量との差である供給湯量(供給湯量=設定湯量−残り湯量)を浴槽に落とし込むことになり、実際には浴槽内の湯温が高温になるという問題があった。
【0005】
本発明の目的は、補助給湯器を接続した風呂落とし込み装置において、無駄に高温の湯が出湯されないようにすることができる風呂落とし込み装置を提供することである。
【0006】
【課題を解決するための手段】
上記目的を達成するために本発明の風呂落とし込み装置は、湯水を加熱可能なバーナおよび主コントローラを有しており、浴槽に湯を落とし込み可能な主給湯器と、ソーラー給湯器と、前記ソーラー給湯器からの温水と給水路からの冷水とを混合させて前記主給湯器に供給することが可能なソーラー混水器を有するソーラー給湯接続部と、を備えている、風呂落とし込み装置において、前記ソーラー給湯接続部は、前記主コントローラと通信可能なソーラー給湯接続コントローラをさらに有しており、ソーラー給湯温度が設定給湯温度以上のときには、前記ソーラー混水器を利用して前記ソーラー給湯器からの湯水に前記給水路からの冷水を混合させてその湯水温度を設定給湯温度にするとともに、前記ソーラー給湯接続コントローラは、前記主給湯器の主コントローラに燃焼不要の信号を送信し、この主コントローラは、前記信号に基づいて前記バーナを停止状態とする一方、前記ソーラー給湯温度が前記設定給湯温度未満のときには、前記ソーラー混水器を利用して前記ソーラーからの湯水に前記給水路からの冷水を混合させてその湯水温度を所定の基準温度まで低下させるとともに、前記主給湯器では前記バーナが燃焼して前記湯水が前記設定給湯温度まで加熱されるように構成されていることを特徴としている。請求項において、浴槽の残り湯量V1と、残り湯温度Tnと、ソーラー給湯温度Thと、給水路からの冷水温度Tcと、設定湯温Tsとに基づいて算出した供給湯量V2を落とし込み量とすることにより、無駄な給湯燃焼を行うことを無くし、適正な落とし込みを行うことができる。
【0007】
【発明の実施の形態】
給湯装置の一例を図1に基づいて概略構成を説明すると、給湯装置は、主給湯器Aと、ソーラー給湯器Bとを備えている。主給湯器Aは、缶体10と、該缶体10に配設されたバーナ11及び熱交換管23と、該熱交換管23に接続される入水路21及び出湯路22と、主コントローラ30とを備えている。
【0008】
入水路21には、水量センサ21aと、入水温度センサ21bが設けられており、出湯路22には、第1出湯温度センサ22aと、その下流側に位置する第2出湯温度センサ22c及び給湯カラン22bが設けられている。
また、入水路21と、第1出湯温度センサ22aと第2出湯温度センサ22cの間の出湯路22とを連結するバイパス路24が設けられ、該バイパス路24にはバイパス調節弁24aが設けられている。
さらに、風呂落とし込み路25が前記出湯路22から分岐され、風呂落とし込み路25には落とし込み開閉弁25aが設けられている。
【0009】
前記缶体10には風呂追焚熱交換器43が設けられており、該風呂追焚熱交換器43には、浴槽44に一端が接続された風呂往路41と風呂復路42が接続されており、風呂復路42には、循環ポンプ42aと、風呂温度センサ42bと、水流スイッチ42cとが設けられている。
また、前記主コントローラ30は、主給湯器Aの各センサ類からの情報と、リモコン50からの指令を入力し、主給湯器Aの運転制御を行うものであり、主コントローラ30とリモコン50、及び主コントローラ30とが通信回路で接続され、情報の交換を行う。
【0010】
ソーラー給湯器Bは、ソーラー給湯路70が接続されたソーラー熱交換器71と、貯湯タンク72とを備え、貯湯タンク72にはソーラー給湯路70が接続されている。
ソーラー熱交換器71で加熱された媒体は貯湯タンク72内に導入されて該貯湯タンク72内の水を熱交換加熱して温水とする。
貯湯タンク72内の温水はソーラー給湯路70を経て供給される。
【0011】
制御動作について説明すると、リモコン50の操作等により、主給湯器Aとソーラー給湯器Bとの運転スイッチがオンされ、ソーラー給湯器Bを利用した出湯を行う状態にある場合に、給湯カラン22bが開放されると、ソーラー給湯器Bからの給湯がソーラー給湯路70から開始される。
【0012】
このとき、ソーラー給湯器Bからのソーラー給湯温度Th が設定温度Ts より高い場合には下記の供給湯量V2 を落とし込む。
主コントローラ30において、熱量演算により算出した浴槽44内の残り湯の湯量V1 及び湯温Tn と、平均値として算出したソーラー給湯器Bからのソーラー給湯温度Th と、予め定めた設定水位である時の浴槽44内の湯量Vと、給水路81からの冷水温度Tc (例えば、Tc =20℃)と、予め設定した浴槽44内の湯の設定湯温Ts (例えば、Ts =38℃)とに基づいてソーラー混水器61からの供給湯量V2 を次の式で算出し、算出された供給湯量V2 を浴槽に供給する。

Figure 0003885366
【0013】
この構成により、熱量演算を用いた落とし込み制御を行う場合、ソーラーハイカットや出湯温度予測により、給湯燃焼を行うことができない状態で落とし込みを行う時に、燃焼することなく熱量演算により検出された浴槽内の残り湯量V1 と、残り湯温度Tn と、ソーラー給湯器Bからのソーラー給湯温度Th と、給水路81からの冷水温度Tc と、設定湯温Ts とに基づいて算出した供給湯量V2 を供給することによって、無駄な落とし込みを無くし、適温の湯張りを行うことができるとともに必要であれば入浴する際に僅かに冷水を足すことで適温とすることができる。
【0014】
ところで、ソーラー給湯温度Th が設定温度Ts より低い場合には、給湯器Aにて設定温度Ts まで焚き上げて設定水位までの湯量を供給する。
また、ソーラー給湯温度Th が設定温度Ts より少しだけ低く、最小燃焼を行っても設定温度Ts を超えてしまうときには、その最小燃焼をさせたソーラー給湯温度Thoを給湯温度Th (Tho=Th )として上記式により供給湯量V2 を求め、ソーラー給湯温度Th が設定温度Ts より高い場合と同様に供給湯量V2 を落とし込む。
【0015】
次に、本発明の実施例を図2に基づいて概略構成を説明すると、給湯装置は、主給湯器Aと、ソーラー給湯器Bとを備えている。給湯装置は、主給湯器Aと、ソーラー給湯器Bと、ソーラー給湯接続部Cとを備えている。主給湯器Aは、缶体10と、該缶体10に配設されたバーナ11及び熱交換管23と、該熱交換管23に接続される入水路21及び出湯路22と、主コントローラ30とを備えている。
【0016】
入水路21には、水量センサ21aと、入水温度センサ21bが設けられており、出湯路22には、第1出湯温度センサ22aと、その下流側に位置する第2出湯温度センサ22c及び給湯カラン22bが設けられている。
また、入水路21と、第1出湯温度センサ22aと第2出湯温度センサ22cの間の出湯路22とを連結するバイパス路24が設けられ、該バイパス路24にはバイパス調節弁24aが設けられている。
さらに、風呂落とし込み路25が前記出湯路22から分岐され、風呂落とし込み路25には落とし込み開閉弁25aが設けられている。
【0017】
前記缶体10には風呂追焚熱交換器43が設けられており、該風呂追焚熱交換器43には、浴槽44に一端が接続された風呂往路41と風呂復路42が接続されており、風呂復路42には、循環ポンプ42aと、風呂温度センサ42bと、水流スイッチ42cとが設けられている。
また、前記主コントローラ30は、主給湯器Aの各センサ類からの情報と、リモコン50からの指令を入力し、主給湯器Aの運転制御を行うものであり、主コントローラ30とリモコン50、及び主コントローラ30と後述するソーラー給湯接続部Cのソーラー給湯接続コントローラ60が通信回路で接続され、情報の交換を行う。
【0018】
ソーラー給湯接続部Cは、前記ソーラー給湯接続コントローラ60と、ソーラー混水器61とを備えており、該ソーラー混水器61にはソーラー給湯器Bからのソーラー給湯路70と上水道等の水源からの給水路80が接続され、ソーラー混水器61には前記入水路21が接続されている。
ソーラー給湯路70には、電磁開閉弁等の開閉弁62と、ソーラー温水温度センサ63とが設けられ、前記入水路21にはソーラー混水温度センサ65が設けられる。
ソーラー給湯接続コントローラ60は、各温度センサ63,64,65から入力される温度検出信号と、主コントローラ30から入力される制御情報とに基づいて、ソーラー混水器61の混合比率を調節するとともに、開閉弁62を開閉する。
【0019】
ソーラー給湯器Bは、ソーラー給湯路70が接続されたソーラー熱交換器71と、貯湯タンク72とを備え、貯湯タンク72には、ソーラー給湯路70が接続されている。
ソーラー熱交換器71で加熱された媒体は貯湯タンク72内に導入されて該貯湯タンク72内の水を熱交換加熱して温水とする。
貯湯タンク72内の温水はソーラー給湯路70を経て供給される。
【0020】
制御動作について説明すると、リモコン50の操作等により、主給湯器Aとソーラー給湯器Bとの運転スイッチがオンされ、ソーラー給湯器Bを利用した出湯を行う状態にある場合に、給湯カラン22bが開放されると、ソーラー給湯器Bからの給湯が開閉弁62及びソーラー混水器61を介して、ソーラー給湯路70から開始される。水量センサ21aにより最低作動水量(MOQ)以上の通水が確認されると、ソーラー温水温度センサ63によって検出されるソーラー温水温度Th と、設定給湯温度Ts1とを比較する。
【0021】
ソーラー温水温度Th が設定給湯温度Ts1以上である場合は、ソーラー混水器61において、ソーラー給湯器Bからの温水に給水路80からの冷水を混合し、温水温度を設定給湯温度Ts1にするとともに、ソーラー給湯接続コントローラ60が主コントローラ30に燃焼不要の信号を送信し、主コントローラ30はこの信号に基づいてバーナ11を停止状態にする。
ソーラー温水温度Th が設定給湯温度Ts1未満であれば、所定の基準温度To まで給水路80からの冷水を混合して下げてから、主給湯器Aにて燃焼加熱して設定給湯温度Ts1で供給できる。
【0022】
しかし、上述の第2の実施形態のものにおいて、ソーラー混水器61が故障して一定の温度でしか供給できない場合や、ソーラー給湯器Bと主給湯器Aとを連動制御できずに別々に制御するもの、例えばソーラー給湯器Bを後付けしてソーラー給湯器Bのみで温度設定を行うもの(図2において、信号ライン31を有さないもの)の場合や、ソーラー混水器61を手動で設定するものの場合には、ソーラー給湯器Bからの温水は所定温度で主給湯器Aに供給される。
このような場合、設定温度よりソーラー給湯器Bからソーラー混水器61を経て供給される温水の温度のほうが高ければ、それを設定水位まで落とし込むと、浴槽の湯が高温になり過ぎる。
【0023】
そこで、ソーラー給湯接続コントローラ60または主コントローラ30において、熱量演算により算出した浴槽44内の残り湯の湯量V1 及び湯温Tn と、平均値として算出したソーラー給湯器Bからのソーラー給湯温度Th と、予め定めた設定水位である時の浴槽44内の湯量Vと、給水路81からの冷水温度Tc (例えば、Tc =20℃)と、予め設定した浴槽44内の湯の設定湯温Ts (例えば、Ts =38℃)とに基づいてソーラー混水器61からの供給湯量V2 を次の式で算出し、算出された供給湯量V2 を浴槽に供給する。
Figure 0003885366
これにより、高温で落とし込みが行われてから必要に応じて冷水を供給するから、所望の設定温度で、所望の設定水位の湯を浴槽に満たすことができる。
【0024】
なお、上記実施形態において、給水路81からの冷水はTc =20℃の所定温度としているが、その配管に温度センサを配置してその検出温度を用いて計算しても良い。
また、上記実施形態において、浴槽に残水がある場合を前提に説明したが、残り湯の湯量V1 =0として考えれば、全く新たな風呂落とし込みの場合となることは勿論である。
【0026】
【発明の効果】
本発明は、上述のとおり構成されているから無駄な給湯燃焼および落とし込みを無くし、適温の湯張りを行うことができる
【図面の簡単な説明】
【図1】湯装置の概略構成の一例を示す図である。
【図2】本発明の実施例に係る給湯装置の概略構成の一例を示す図である。
【符号の説明】
A 主給湯器、B ソーラー給湯器、C ソーラー給湯接続部
10 缶体、11 バーナ、21 入水路、22 出湯路、23 熱交換管
25 落とし込み路、30 主コントローラ、40 風呂追焚熱交換器
41 風呂往路、42 風呂復路、44 浴槽、50 リモコン
60 ソーラー給湯接続コントローラ、61 ソーラー混水器
70 ソーラー給湯路、71 ソーラー熱交換器、72 貯湯タンク[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bath dropping device that connects an auxiliary water heater such as a solar water heater and supplies hot water from the auxiliary water heater to a main water heater as needed to drop the bath.
[0002]
[Prior art]
Conventionally, an auxiliary water heater, for example, a solar water heater (solar hot water heater) is connected, and hot water from the auxiliary water heater can be supplied to the main water heater as needed. There is something to do.
However, in a hot water supply apparatus connected to a conventional solar water heater, when the hot water temperature from the solar water heater exceeds the reference hot water temperature, there is no means for lowering the hot water temperature, so hot water is supplied as it is. Therefore, there has been a problem that the temperature of the hot water from the hot water supply device, that is, the main water heater becomes too high.
[0003]
In order to solve this problem, for example, when the hot water supply temperature from the solar water heater is equal to or higher than the reference hot water temperature, cold water is mixed, the hot water temperature is lowered to the reference hot water temperature, and then supplied to the main hot water heater. Conversely, if the hot water supply temperature is lower than the reference hot water temperature, the solar water heater is once lowered to a base temperature lower than the reference hot water temperature, then supplied to the main hot water heater, and hot water combustion is performed in the main hot water heater. The hot water is discharged at the set hot water temperature.
[0004]
[Problems to be solved by the invention]
However, in a hot water supply device directly connected to a conventional solar water heater, the hot water from the solar water heater is directly supplied to the bathtub with the amount of hot water supplied (the amount of supplied hot water = the set amount of hot water−the amount of remaining hot water), which is the difference between the set amount of hot water and the amount of remaining hot water. In fact, there was a problem that the temperature of the hot water in the bathtub became high.
[0005]
An object of the present invention is to provide a bath dropping device capable of preventing high temperature hot water from being discharged unnecessarily in a bath dropping device connected with an auxiliary water heater.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, a bath dropping apparatus of the present invention has a burner capable of heating hot water and a main controller, and includes a main water heater capable of dropping hot water into a bathtub, a solar water heater, and the solar water heater. in it are, bath darken device and a solar hot water connection having a solar water mixture device capable of the cold water mixed is supplied to the main water heater from the hot water and the water supply passage from the vessel, said solar The hot water supply connection unit further includes a solar hot water connection controller capable of communicating with the main controller, and when the solar hot water supply temperature is equal to or higher than a set hot water supply temperature, hot water from the solar water heater is used using the solar water mixer. The hot water temperature is set to a set hot water temperature by mixing the cold water from the water supply channel with the solar hot water connection controller, A combustion-free signal is transmitted to the main controller of the main water heater, and the main controller stops the burner based on the signal, and when the solar hot water temperature is lower than the set hot water temperature, the solar mixer The hot water from the solar water is mixed with the hot water from the solar water using a water heater to lower the hot water temperature to a predetermined reference temperature, and in the main water heater, the burner burns and the hot water is It is characterized by being configured to be heated to a set hot water supply temperature. The amount of hot water supply V2 calculated based on the remaining hot water amount V1, the remaining hot water temperature Tn, the solar hot water supply temperature Th, the cold water temperature Tc from the water supply channel, and the set hot water temperature Ts according to claim 2 , By doing so, it is possible to eliminate wasteful hot water combustion and perform proper dropping.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
An example of the hot water supply apparatus will be described with reference to FIG. 1. The hot water supply apparatus includes a main water heater A and a solar water heater B. The main water heater A includes a can body 10, a burner 11 and a heat exchange pipe 23 arranged in the can body 10, a water inlet path 21 and a hot water outlet path 22 connected to the heat exchange pipe 23, and a main controller 30. And.
[0008]
The water inlet 21 is provided with a water amount sensor 21a and a water inlet temperature sensor 21b. The hot water outlet 22 is provided with a first hot water temperature sensor 22a, a second hot water temperature sensor 22c and a hot water supply curan located downstream thereof. 22b is provided.
In addition, a bypass passage 24 is provided to connect the inlet water passage 21 and the hot water passage 22 between the first hot water temperature sensor 22a and the second hot water temperature sensor 22c, and the bypass passage 24 is provided with a bypass adjustment valve 24a. ing.
Further, a bath dropping path 25 is branched from the hot water supply path 22, and a drop opening / closing valve 25 a is provided in the bath dropping path 25.
[0009]
The can body 10 is provided with a bath remedy heat exchanger 43, and the bath remedy heat exchanger 43 is connected to a bath forward passage 41 and a bath return passage 42 connected at one end to a bathtub 44. The bath return path 42 is provided with a circulation pump 42a, a bath temperature sensor 42b, and a water flow switch 42c.
The main controller 30 inputs information from each sensor of the main water heater A and a command from the remote controller 50 to control the operation of the main water heater A. The main controller 30 and the remote controller 50, And the main controller 30 are connected by a communication circuit to exchange information.
[0010]
The solar water heater B includes a solar heat exchanger 71 to which a solar hot water passage 70 is connected and a hot water storage tank 72, and the solar hot water passage 70 is connected to the hot water storage tank 72.
The medium heated by the solar heat exchanger 71 is introduced into the hot water storage tank 72, and the water in the hot water storage tank 72 is heated by heat exchange to be hot water.
Hot water in the hot water storage tank 72 is supplied through a solar hot water supply passage 70.
[0011]
The control operation will be described. When the operation switch of the main water heater A and the solar water heater B is turned on by the operation of the remote controller 50 and the hot water supply using the solar water heater B is in a state of performing the hot water supply, When opened, hot water supply from the solar water heater B is started from the solar hot water supply path 70.
[0012]
At this time, when the solar hot water supply temperature Th from the solar water heater B is higher than the set temperature Ts, the following hot water supply amount V2 is dropped.
In the main controller 30, when the hot water amount V1 and hot water temperature Tn of the remaining hot water in the bathtub 44 calculated by the calorific value calculation, the solar hot water temperature Th from the solar water heater B calculated as an average value, and a preset set water level The amount of hot water V in the bathtub 44, the cold water temperature Tc from the water supply channel 81 (eg, Tc = 20 ° C.), and the preset hot water temperature Ts of the hot water in the bathtub 44 (eg, Ts = 38 ° C.) Based on this, the hot water supply amount V2 from the solar water mixer 61 is calculated by the following formula, and the calculated hot water supply amount V2 is supplied to the bathtub.
Figure 0003885366
[0013]
With this configuration, when performing drop control using calorific value calculation, when hot water is burned in a state in which hot water supply combustion cannot be performed by solar high cut or hot water temperature prediction, in the bathtub detected by calorie calculation without burning. Supply the amount of hot water V2 calculated based on the remaining hot water amount V1, the remaining hot water temperature Tn, the solar hot water temperature Th from the solar water heater B, the cold water temperature Tc from the water supply channel 81, and the set hot water temperature Ts. Thus, unnecessary dropping can be eliminated, hot water filling can be performed at an appropriate temperature, and if necessary, an appropriate temperature can be obtained by adding a little cold water when taking a bath.
[0014]
By the way, when the solar hot water supply temperature Th is lower than the set temperature Ts, the hot water heater A raises to the set temperature Ts and supplies hot water up to the set water level.
In addition, when the solar hot water supply temperature Th is slightly lower than the set temperature Ts and exceeds the set temperature Ts even if the minimum combustion is performed, the solar hot water supply temperature Th that has been subjected to the minimum combustion is set as the hot water supply temperature Th (Tho = Th). The amount of hot water to be supplied V2 is obtained by the above formula, and the amount of hot water to be supplied V2 is dropped in the same manner as when the solar hot water supply temperature Th is higher than the set temperature Ts.
[0015]
Next, the schematic configuration of the embodiment of the present invention will be described with reference to FIG. 2. The hot water supply apparatus includes a main water heater A and a solar water heater B. The water heater includes a main water heater A, a solar water heater B, and a solar water heater connection C. The main water heater A includes a can body 10, a burner 11 and a heat exchange pipe 23 arranged in the can body 10, a water inlet path 21 and a hot water outlet path 22 connected to the heat exchange pipe 23, and a main controller 30. And.
[0016]
The water inlet 21 is provided with a water amount sensor 21a and a water inlet temperature sensor 21b. The hot water outlet 22 is provided with a first hot water temperature sensor 22a, a second hot water temperature sensor 22c and a hot water supply curan located downstream thereof. 22b is provided.
In addition, a bypass passage 24 is provided to connect the inlet water passage 21 and the hot water passage 22 between the first hot water temperature sensor 22a and the second hot water temperature sensor 22c, and the bypass passage 24 is provided with a bypass adjustment valve 24a. ing.
Further, a bath dropping path 25 is branched from the hot water supply path 22, and a drop opening / closing valve 25 a is provided in the bath dropping path 25.
[0017]
The can body 10 is provided with a bath remedy heat exchanger 43, and the bath remedy heat exchanger 43 is connected to a bath forward passage 41 and a bath return passage 42 connected at one end to a bathtub 44. The bath return path 42 is provided with a circulation pump 42a, a bath temperature sensor 42b, and a water flow switch 42c.
The main controller 30 inputs information from each sensor of the main water heater A and a command from the remote controller 50 to control the operation of the main water heater A. The main controller 30 and the remote controller 50, And the main controller 30 and the solar hot water supply connection controller 60 of the solar hot water supply connection part C described later are connected by a communication circuit to exchange information.
[0018]
The solar water heater connection C includes the solar water heater connection controller 60 and a solar water heater 61. The solar water heater 61 includes a solar water heater 70 from the solar water heater B and a water source such as a water supply. The water supply channel 80 is connected to the solar water mixer 61, and the water supply channel 21 is connected to the solar water mixer 61.
The solar hot water supply passage 70 is provided with an open / close valve 62 such as an electromagnetic open / close valve and a solar hot water temperature sensor 63, and a solar mixed water temperature sensor 65 is provided in the water intake passage 21.
The solar water heater connection controller 60 adjusts the mixing ratio of the solar water mixer 61 based on the temperature detection signals input from the temperature sensors 63, 64, 65 and the control information input from the main controller 30. The on-off valve 62 is opened and closed.
[0019]
The solar water heater B includes a solar heat exchanger 71 to which a solar hot water passage 70 is connected and a hot water storage tank 72, and the solar hot water passage 70 is connected to the hot water storage tank 72.
The medium heated by the solar heat exchanger 71 is introduced into the hot water storage tank 72, and the water in the hot water storage tank 72 is heated by heat exchange to be hot water.
Hot water in the hot water storage tank 72 is supplied through a solar hot water supply passage 70.
[0020]
The control operation will be described. When the operation switch of the main water heater A and the solar water heater B is turned on by the operation of the remote controller 50 and the hot water supply using the solar water heater B is in a state of performing the hot water supply, When opened, hot water supply from the solar water heater B is started from the solar hot water supply path 70 via the on-off valve 62 and the solar water mixer 61. When the water flow sensor 21a confirms that the water flow is equal to or greater than the minimum working water volume (MOQ), the solar hot water temperature Th detected by the solar hot water temperature sensor 63 is compared with the set hot water supply temperature Ts1.
[0021]
When the solar hot water temperature Th is equal to or higher than the set hot water supply temperature Ts1, in the solar water mixer 61, the hot water from the solar water heater B is mixed with the cold water from the water supply path 80, and the hot water temperature is set to the set hot water supply temperature Ts1. The solar hot water connection controller 60 transmits a signal indicating that combustion is not required to the main controller 30, and the main controller 30 stops the burner 11 based on this signal.
If the solar hot water temperature Th is less than the set hot water supply temperature Ts1, the cold water from the water supply path 80 is mixed and lowered to a predetermined reference temperature To, and then heated by combustion in the main hot water heater A and supplied at the set hot water supply temperature Ts1. it can.
[0022]
However, in the thing of the above-mentioned 2nd Embodiment, when the solar water mixer 61 breaks down and it can supply only at a fixed temperature, the solar water heater B and the main water heater A cannot be interlocked and controlled separately. In the case of what is controlled, for example, a solar water heater B that is retrofitted and the temperature is set only by the solar water heater B (in FIG. 2, the one that does not have the signal line 31), or the solar water mixer 61 is manually operated. In the case of setting, hot water from the solar water heater B is supplied to the main water heater A at a predetermined temperature.
In such a case, if the temperature of the hot water supplied from the solar water heater B via the solar water mixer 61 is higher than the set temperature, the hot water in the bathtub becomes too hot when it is dropped to the set water level.
[0023]
Therefore, in the solar hot water supply connection controller 60 or the main controller 30, the hot water amount V1 and hot water temperature Tn of the remaining hot water in the bathtub 44 calculated by calorie calculation, the solar hot water temperature Th from the solar water heater B calculated as an average value, The amount of hot water V in the bathtub 44 at the preset set water level, the cold water temperature Tc from the water supply channel 81 (for example, Tc = 20 ° C.), and the preset hot water temperature Ts of the hot water in the bathtub 44 (for example, , Ts = 38 ° C.), the hot water supply amount V2 from the solar water mixer 61 is calculated by the following formula, and the calculated hot water supply amount V2 is supplied to the bathtub.
Figure 0003885366
Thereby, since cold water is supplied as needed after dropping at a high temperature, hot water at a desired set water level can be filled in the bathtub at a desired set temperature.
[0024]
In the above-described embodiment, the cold water from the water supply channel 81 has a predetermined temperature of Tc = 20 ° C. However, a temperature sensor may be arranged in the pipe and the calculated temperature may be used.
In the above embodiment, the case where there is residual water in the bathtub has been described. However, if the amount of remaining hot water V1 = 0 is considered, it is a matter of course that a completely new bath is dropped.
[0026]
【The invention's effect】
The present invention, because they are configured as described above, eliminating wasted hot water combustion and darken, it is possible to perform the hot water filling the proper temperature.
[Brief description of the drawings]
1 is a diagram showing an example of a schematic configuration of a hot water supply device.
FIG. 2 is a diagram showing an example of a schematic configuration of a hot water supply apparatus according to an embodiment of the present invention.
[Explanation of symbols]
A Main water heater, B Solar water heater, C Solar hot water connection 10 Can body, 11 Burner, 21 Inlet channel, 22 Outlet channel, 23 Heat exchange pipe 25 Drop-in channel, 30 Main controller, 40 Bath memory heat exchanger 41 Bath outbound path, 42 Bath return path, 44 Bathtub, 50 Remote control 60 Solar hot water connection controller, 61 Solar water mixer 70 Solar hot water path, 71 Solar heat exchanger, 72 Hot water storage tank

Claims (2)

湯水を加熱可能なバーナおよび主コントローラを有しており、浴槽に湯を落とし込み可能な主給湯器と、
ソーラー給湯器と、
前記ソーラー給湯器からの温水と給水路からの冷水とを混合させて前記主給湯器に供給することが可能なソーラー混水器を有するソーラー給湯接続部と、
を備えている、風呂落とし込み装置において、
前記ソーラー給湯接続部は、前記主コントローラと通信可能なソーラー給湯接続コントローラをさらに有しており、
ソーラー給湯温度が設定給湯温度以上のときには、前記ソーラー混水器を利用して前記ソーラー給湯器からの湯水に前記給水路からの冷水を混合させてその湯水温度を設定給湯温度にするとともに、前記ソーラー給湯接続コントローラは、前記主給湯器の主コントローラに燃焼不要の信号を送信し、この主コントローラは、前記信号に基づいて前記バーナを停止状態とする一方、
前記ソーラー給湯温度が前記設定給湯温度未満のときには、前記ソーラー混水器を利用して前記ソーラーからの湯水に前記給水路からの冷水を混合させてその湯水温度を所定の基準温度まで低下させるとともに、前記主給湯器では前記バーナが燃焼して前記湯水が前記設定給湯温度まで加熱されるように構成されていることを特徴とする風呂落とし込み装置。
A main water heater that has a burner that can heat hot water and a main controller, and that can drop hot water into the bathtub,
Solar water heater,
A solar water heater connection unit having a solar water mixer capable of mixing hot water from the solar water heater and cold water from a water supply channel and supplying the mixed water to the main water heater;
In the bath dropping device equipped with
The solar hot water connection part further includes a solar hot water connection controller that can communicate with the main controller,
When the solar hot water temperature is equal to or higher than the set hot water temperature, the hot water from the solar water heater is mixed with the hot water from the solar water heater using the solar water mixer, and the hot water temperature is set to the set hot water temperature. The solar hot water connection controller transmits a signal that does not require combustion to the main controller of the main water heater, and the main controller stops the burner based on the signal,
When the solar hot water supply temperature is lower than the set hot water supply temperature, the hot water from the solar water is mixed with the hot water from the solar water using the solar water mixer, and the hot water temperature is lowered to a predetermined reference temperature. In the main water heater, the bath dropping device is configured such that the burner burns and the hot water is heated to the set hot water temperature .
浴槽の残り湯量V1と、残り湯温度Tnと、ソーラー給湯温度Thと、前記給水路からの冷水温度Tcと、設定湯温Tsとに基づいて算出した供給湯量V2を落とし込み量とすることを特徴とする請求項1記載の風呂落とし込み装置。 The amount of hot water supply V2 calculated based on the remaining hot water amount V1, the remaining hot water temperature Tn, the solar hot water supply temperature Th, the cold water temperature Tc from the water supply channel, and the set hot water temperature Ts is used as the drop amount. bath according to claim 1, darken equipment.
JP16611898A 1998-05-30 1998-05-30 Bath dropping device Expired - Fee Related JP3885366B2 (en)

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JP3885366B2 true JP3885366B2 (en) 2007-02-21

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