JP3551513B2 - Automatic test equipment for bath equipment - Google Patents

Automatic test equipment for bath equipment Download PDF

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JP3551513B2
JP3551513B2 JP33809994A JP33809994A JP3551513B2 JP 3551513 B2 JP3551513 B2 JP 3551513B2 JP 33809994 A JP33809994 A JP 33809994A JP 33809994 A JP33809994 A JP 33809994A JP 3551513 B2 JP3551513 B2 JP 3551513B2
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water
water level
bathtub
detected
amount
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JPH08178416A (en
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和雄 砂川
信之 井上
泰樹 武田
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Noritz Corp
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Noritz Corp
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Description

【0001】
【産業上の利用分野】
本発明は風呂設備の自動試運転装置に関し、詳しくは浴槽に自動落とし込みを行うための試運転を自動的に行う装置に関する。
【0002】
【従来の技術】
従来より、浴槽水を風呂加熱缶体へ循環させて追い焚きを行うようにした風呂設備が提供されており、また前記追い焚きのための循環路の途中に自動落とし込み給湯路を接続することで、浴槽水位を設定することで自動的にその水位まで落とし込みを行うことができる自動落とし込み給湯機能を備えた風呂設備が提供されている。
【0003】
【発明が解決しようとする課題】
ところが上記従来の風呂設備においては、その風呂設備を設置施工後に試運転を行う必要があるが、従来は作業者自らが手動で水を落とし込み、その状況を逐一観察して配管の漏れや、自動落とし込みがうまく行われ得るかを点検し、また基準となる水位を設定する等の作業を行わなければならず、人手と手間と熟練を必要とする作業であった。
【0004】
そこで本発明は、上記従来の装置における欠点を解消し、風呂設備の水漏れの有無や浴槽への自動落とし込みが適切に行えるようにするための試運転作業を、自動的に行うことができる風呂設備の自動試運転装置の提供を目的とする。
【0005】
【課題を解決するための手段】
上記目的を達成するため、本発明の風呂設備の自動試運転装置は、浴槽と、風呂加熱缶体と、該風呂加熱缶体へ前記浴槽の水を循環させる追い焚き循環路及び循環ポンプと、温水または非加熱水を前記浴槽へ自動落とし込みする給湯器と、前記追い焚き循環路に設けられる浴槽水位センサ及び水流センサと、前記給湯器から浴槽への自動落とし込み路に設けられる流量センサとを有する風呂設備の自動試運転装置であって、自動試運転指令が有ると、先ず前記循環ポンプを一定時間駆動させて、浴槽内に追い焚き循環路へ循環することができる水位以上の残水が有るか否かを判定し、有りの場合には試運転不可表示を行い、否の場合には更に前記給湯器による浴槽への落とし込みを開始させ、浴槽の循環金具より少し上の水位になるような予め定めた一定水量の落とし込みを行いながら、浴槽水位センサの検出値に変化が生じるのを監視し、前記一定水量を落とし込んでも浴槽水位センサの検出値に変化が生じない場合には、さらに循環判定を行い、この循環判定によっても水流を検出しない場合には試運転不良表示を行うコントローラを設けたことを第1の特徴としている。
また本発明の風呂設備の自動試運転装置は、上記第1の特徴に加えて、浴槽の循環金具より少し上の水位になるような予め定めた一定水量の落とし込みの開始後に、前記浴槽水位センサの検出値に変化が生じた場合又は浴槽水位センサの検出値には変化が生じなかったが循環判定で水流を検出した場合には、前記循環金具より少し上になったとされる水位に対応する浴槽水位センサの検出値を基準水位として得、さらに落とし込みを続けて、その後予め定めた最大水量以下で且つ予め定めた一定の最小水量以上の範囲で予め定めた設定水位を検出した場合には、試運転完了表示を行うと共に前記検出値を基準水位として記憶するようにし、前記最小水量未満で前記設定水位を検出した場合には試運転完了表示のみを行い、前記最大水量を越えても設定水位を検出しない場合には試運転不良表示を行うコントローラを設けたことを第2の特徴としている。
【0006】
【作用】
上記本発明の第1の特徴によれば、作業者が風呂設備の設置施工を終えた後、コントローラやリモコン等に設けられた自動試運転スイッチをオンすることで、自動試運転指令が出され、試運転が開始される。この試運転は、先ずコントローラによって、前記循環ポンプが一定時間駆動せられて、浴槽内に追い焚き循環路へ循環することができる水位以上の残水が有るか否かが判定される。有りの場合には、浴槽内に既に水が多く入り過ぎていることから、コントローラによって試運転不可表示がなされる。よってこの場合には、作業者等は浴槽内の残水を排出した後、再度自動試運転スイッチをオンすることになる。一方、前記判定で水位が循環可能水位未満、即ち否と判定された場合には、コントローラによって、給湯器による温水若しくは非加熱水の浴槽への落とし込みが開始されて、浴槽水位センサの検出値の変化が監視される。そして浴槽の循環金具よりも少し上の水位となるような水量として予め定めた一定水量が落とし込まれても、前記浴槽水位センサの検出値に変化が生じない場合には、さらにコントローラにより循環判定が行われ、この循環判定においても追い焚き循環路の水流センサが水流を検出しない場合には、試運転不良の表示がなされる。この試運転不良表示によって、主として水漏れ不良、水流センサ不良等が推定される。
上記本発明の第2の特徴によれば、前記第1の特徴による作用に加えて、落とし込み開始後、浴槽の循環金具より少し上の水位になるような水量として予め定めた一定水量の落とし込み量に達するまでに、前記浴槽水位センサの検出値に変化が生じた場合、又は浴槽水位センサの検出値には変化が生じなかったが循環判定で水流を検出した場合には、前記循環金具より少し上になったとされる水位に対応する浴槽水位センサの検出値が基準水位として取得される。そしてさらに落とし込みが続けられ、予め定められた最大水量以下で且つ予め定められた一定の最小水量以上の範囲で予め定められた設定水位を検出した場合には、試運転完了表示が行われると共に前記検出値が基準水位として記憶される。また前記最小水量未満で前記設定水位を検出した場合には試運転完了表示のみが行われる。一方、前記最大水量を越えても設定水位を検出しない場合には試運転不良表示が行われる。
前記予め定めた最大水量とは、例えば浴槽の内容量に対応する水量として予め定めることができる。このような水量が落としこまれても浴槽水位が設定水位にならない主たる原因は、水漏れしているか、浴槽水位センサが故障していると推定することができる。
また前記予め定めた設定水位とは、例えば浴槽水位として入浴に適した充分な水位として予め定めることができる。
前記予め定めた一定の最小水量とは、その様な水量を落とし込むだけでは到底設定水位にはならないような水量として予め定めることができる。
最大水量以下で最小水量以上の水量で設定水位を検出する場合には、予定の水量で予定の設定水位に達したと判断することができるので、前記循環金具より少し上になったとされる水位に対応する浴槽水位センサの検出値も、実際に循環金具よりも少し上の水位を現すものとしてほぼ正しいと判断することができるので、この検出値を基準水位として記憶しておくことによって、以後この基準水位を用いて必要水位への自動落とし込みを容易に行うことができる。
【0007】
【実施例】
以下に本発明を実施例に基づいて説明する。
図1は本発明に係る風呂設備の実施例を示す構成図、図2はコントローラと装置各部との関係を示すブロック図、図3はコントローラによる自動試運転の制御例を示すフローチャートである。
【0008】
図1において、10は浴槽で、該浴槽10から追い焚き循環路20が風呂加熱缶体30へ循環するように接続されている。前記追い焚き循環路20は前記浴槽10の循環金具11に接続され、循環ポンプ21の他、風呂温度センサ22、水流センサ23、圧力検知による浴槽水位センサ24が設けられている。また前記風呂加熱缶体30には熱交換器31、バーナ32等が設けられている。
40は給湯器で、熱交換器41、バーナ42等が設けられ、入水管43から入った水が熱交換器41を通る間に加熱され、温水となって給湯管44に出湯する。給湯管44からは自動落とし込み路45が設けられ、該自動落とし込み路45は途中に開閉弁46、流量センサ47、逆止弁48を介して前記追い焚き循環路20に接続している。
50はコントローラで、60はリモコンである。コントローラ50は、図2も参照して、マイコン51、メモリ52、入出力回路53等からなり、前記リモコン60や各センサ22、23、24等からの指令、情報を入力し、所定のソフトウエアによって所定の演算、判定、記憶を行い、また所定の命令を循環ポンプ21、バーナ32、42、開閉弁46等の負荷に対して出力する。
【0009】
風呂の追い焚き運転では、コントローラ50によって循環ポンプ21が駆動され、浴槽10内の水が循環金具11から追い焚き循環路20を通って風呂加熱缶体30の熱交換器31内を通る間にバーナ32によって加熱され、風呂温度センサ22によって浴槽水が所定の温度まで追い焚きされると追い焚き運転が終了する。
また浴槽への自動落とし込み運転では、リモコン60において、所定の水位を設定して自動落とし込みスイッチをオンすることにより、自動落とし込み路45の開閉弁46か開放され、給湯器40から温水若しくは非加熱水が自動落とし込み路45を通って追い焚き循環路20に入り、さらに浴槽10へ導入せられる。浴槽水位センサ24が設定した水位を検出すると、開閉弁46が閉止されて自動落とし込みが終了する。落とし込み途中における適当な時期に循環ポンプ21を短時間駆動し、これによって追い焚き循環路20内のエアーを一掃して浴槽水位センサ24による正確な水位を検出できるようにしてもよい。
【0010】
図3のフローチャートに沿って、コントローラ50による自動試運転の制御機構を説明する。
今、作業者等が図1に示す浴槽設備を設置施工した後、コントローラ50やリモコン60等に設けられた自動試運転スイッチをオンすることで、自動試運転指令が出されると(S1でイエス)、コントローラ50は、先ず循環ポンプ21を一定時間駆動し、追い焚き循環路20の水流センサ23が水流を検出するか否かを監視して、浴槽10内に追い焚き循環路20へ循環することができる水位以上の残水が有るか否かを循環判定する(S2)。そして循環判定可能な水位の残水が浴槽10内に有る場合には(S2でイエス)、コントローラ50はリモコン60等の表示部に対して試運転不可表示を指令し(S3)、試運転を終了する。一方、前記ステップS2で、水位が循環可能水位未満、即ち否と判定した場合には、コントローラ50は、給湯器40の自動落とし込み路45の開閉弁46を開放し、必要に応じて温水若しくは非加熱水(水)の浴槽10への落とし込みを開始する(S4)。
【0011】
前記給湯器40による温水若しくは非加熱水の浴槽への落とし込みが開始されると、コントローラ50は、浴槽水位センサ24の検出値に変化が生じるのを監視する(S5)。そして浴槽10の循環金具11よりも少し上の水位となるような水量として予め定めた一定水量が落とし込まれても、前記浴槽水位センサ24の検出値に変化が生じない場合には(S5でノー、S6でイエス)、さらにコントローラ50は一旦落とし込みを停止して、循環ポンプ21の駆動と水流センサ23による水流検出の有無をみる循環判定を行なう(S7)。この循環判定をN回繰り返しても水流センサ23が水流を検出しない場合には(S7でノー、S8でイエス)、試運転不良表示1を行う(S9)。この試運転不良表示1によって、主として水漏れ不良、水流センサ不良等が推定される。前記N回は2〜3回以内とし、気泡等によって水流センサ23が作動しない場合を除くようにする。
【0012】
前記ステップS5において、浴槽10の循環金具11よりも少し上の水位となるような水量として予め定めた一定水量の全量が落とし込まれる前に、浴槽水位センサ24に変化が生じた場合には、コントローラ50は、その変化の変曲点をとらえて、その時点から更に水位が前記循環金具11を少し越えるであろう量の一定の水量を落とし込み、そのときに浴槽水位センサ24が検出した検出値(例えば電気的な値)を、前記循環金具11を少し越えた浴槽水位を現すものとして取得し、これを基準水位とする(S10)。
前記において、落とし込みにより浴槽水位が前記循環金具11の付近に達してくると、追い焚き循環路20に設けられた浴槽水位センサ24に対しても浴槽10内の水による水圧が加わってくるので、浴槽水位センサ24の検出値がそれまでと較べて顕著に増加してくる等、検出値に大きな変化が生じる。この変化の開始点が変曲点であり、浴槽水位がほぼ追い焚き循環のできるレベルに近づいたことを示す。よってコントローラ50は検出値の変化の変曲点を検出した時点から、さらに水位が前記循環金具11を少し越えるであろう量の一定の水量を落とし込むこととし、その一定量を落とし込んだ際の浴槽水位センサ24の検出する検出値を得て、これを前記循環金具11を少し越えた浴槽水位を現すものとして、基準水位とするのである。このようにして基準水位と検出値との対応が成ると、種々の浴槽設定水位に対して検出値を対応づけることができ、浴槽水位を検出することができる。
尚、前記循環金具11を少し越えるであろう量の一定の水量を落とし込んだ後、浴槽水位センサ24による水位検出を行う前に循環ポンプ21を駆動して循環判定を行い、循環判定可能となったことを確認するようにしてもよい。
【0013】
前記ステップS7における循環判定で、水流センサ23が水流を検出することによって、循環判定がOKとされた場合には(S7でイエス)、コントローラ50は基準水位を検出する(S10)。この場合には、既に浴槽10の循環金具11よりも少し上の水位となるような水量として予め定めた一定水量が落とし込まれているので(S6)、前記循環判定がOKとされた時点で、新たな水量を落とし込むことなく浴槽水位センサ24の検出する検出値を取り入れ、この検出値をもって上記の場合と同様に基準水位とする。
【0014】
前記ステップS10で基準水位を検出した後、コントローラ50は落とし込みを続け、浴槽水位と落とし込み水量を浴槽水位センサ24と流量センサ47からの情報でもって監視し、予め定めた一定の最大水量を越えても浴槽水位センサ24が予め定めた設定水位を検出しない場合には(S11でノー、S12でイエス)、試運転不良表示2をリモコン60等の表示部に指令(S13)し、落とし込みを終了し(S17)、試運転を終了する。
前記予め定めた最大水量とは、例えば浴槽の内容量に対応する水量として予め定めておくことができる。また前記予め定めた設定水位とは、例えば浴槽水位として入浴に適した充分な水位として予め定めておくことができる。
前記試運転不良表示2によって、主として水漏れ不良、浴槽水位センサ24不良等が推定される。
【0015】
一方、前記一定の最大水量以下で浴槽水位センサ24が予め定めた設定水位を検出した場合には(S11でイエス、S12でノー)、コントローラ50はさらに、予め定めた一定の最小水量以上で設定水位を検出したか否かを判定し(S14)、否の場合(S14でノー)には、試運転完了表示のみをリモコン60等の表示部に指令し(S15)、落とし込みを終了し(S17)、試運転を終了する。
前記予め定めた一定の最小水量とは、その様な水量を落とし込むだけでは到底設定水位にはならないような水量として予め定めることができる。このような最小水量未満で浴槽水位センサ24が所定水位を検出する場合には、水漏れ等はないが、自動落とし込みの他に浴槽10への通常の給湯栓等が開いて、他の水等が同時に落とし込まれている場合や、浴槽水位センサ24の故障等が推定され、よって前記検出した基準水位も、循環金具11を少し越えた水位を現すものとして、必ずしも正しいとは言えないので、基準水位を記憶することはしないようにしている。
【0016】
ステップS14で、イエスの場合、即ち最大水量以下でしかも一定の最小水量以上で浴槽水位センサ24が予め定めた設定水位を検出した場合には、コントローラ50は試運転完了表示を指令すると共に、前記検出した基準水位を検出値に対応させて、記憶する(S16)。そして落とし込みを終了する(S17)。前記記憶は不揮発性メモリに記憶することで、停電等があった後においても同じ基準水位を用いることができる。
最大水量以下で最小水量以上の水量で浴槽水位センサ24が設定水位を検出する場合には、予定の水量で予定の設定水位に達したと判断することができるので、前記浴槽水位が追い焚き循環路20へ循環できる水位になったとされたときに浴槽水位センサ24によって検出された検出値も、追い焚き循環路20への循環が可能となる実際の浴槽10の水位を現すものとしてほぼ正しいと判断することができるので、この検出値をもって基準水位として記憶しておくことによって、以後この基準水位を用いて必要水位への自動落とし込みを容易に行うことができる。
【0017】
【発明の効果】
本発明は以上の構成よりなり、請求項1に記載の風呂設備の自動試運転装置によれば、自動試運転指令が有ると、先ず前記循環ポンプを一定時間駆動させて、浴槽内に追い焚き循環路へ循環することができる水位以上の残水が有るか否かを判定し、有りの場合には試運転不可表示を行い、否の場合には更に給湯器による浴槽への落とし込みを開始させ、先ず浴槽の循環金具より少し上の水位になるような予め定めた一定水量の落とし込みを行いながら、浴槽水位センサの検出値に変化が生じるのを監視し、前記一定水量を落とし込んでも浴槽水位センサの検出値に変化が生じない場合には、さらに循環判定を行い、この循環判定によっても水流を検出しない場合には試運転不良表示を行うコントローラを設けたので、風呂設備の設置施工後における試運転を自動試運転スイッチをオンするだけで、自動的に行うことができ、しかも残水の程度を検出して自動試運転ができるか否かの判断から、水位変化の有無から水漏れや水流センサの故障等を推定させる試運転不良の判定を自動的に得ることができるので、人手、手間、熟練を必要とせず、非常に簡単に短時間で効率よく試運転ができる。
また請求項2に記載の風呂設備の自動試運転装置によれば、請求項1に記載の構成による効果に加えて、浴槽の循環金具より少し上の水位になるような予め定めた一定水量の落とし込みの開始後に、浴槽水位センサの検出値に変化が生じた場合又は浴槽水位センサの検出値には変化が生じなかったが循環判定で水流を検出した場合には、前記循環金具より少し上になったとされる水位に対応する浴槽水位センサの検出値を基準水位として得、さらに落とし込みを続けて、その後予め定めた最大水量以下で且つ予め定めた一定の最小水量以上の範囲で予め定めた設定水位を検出した場合には、試運転完了表示を行うと共に前記検出値を基準水位として記憶するようにし、前記最小水量未満で前記設定水位を検出した場合には試運転完了表示のみを行い、前記最大水量を越えても設定水位を検出しない場合には試運転不良表示を行うコントローラを設けたので、自動試運転において、自動落とし込みの基準となる基準水位を適切な条件下で自動的に得ることができ、該基準水位を用いることで、以後設定水位を確実に且つ安定して自動落とし込みすることができる。
また最大水量を越えても設定水位を検出しない場合の試運転不良表示により、水漏れや浴槽水位センサの故障等を推定させる試運転不良の判定を自動的に得ることができる。
また最小水量未満で設定水位を検出するような場合の試運転完了のみの表示により、水漏れ等はなく一応試運転はできたが、自動落とし込みの他に他の水等が同時に落とし込まれている場合や、浴槽水位センサの故障等を推定させる判断を自動的に得ることがきる。
【図面の簡単な説明】
【図1】本発明に係る風呂設備の実施例を示す構成図である。
【図2】コントローラと装置各部との関係を示すブロック図である。
【図3】コントローラによる自動試運転の制御例を示すフローチャートである。
【符号の説明】
10 浴槽
11 循環金具
20 追い焚き循環路
21 循環ポンプ
22 風呂温度センサ
23 水流センサ
24 浴槽水位センサ
30 風呂加熱缶体
40 給湯器
45 自動落とし込み路
47 流量センサ
50 コントローラ
[0001]
[Industrial applications]
The present invention relates to an apparatus for automatically performing a trial run of bath equipment, and more particularly to an apparatus for automatically performing a trial run for automatically dropping a bath into a bathtub.
[0002]
[Prior art]
Conventionally, bath equipment has been provided in which bath water is circulated to a bath heating can body to perform reheating, and an automatic dropping hot water supply path is connected in the middle of the circulation path for the reheating. In addition, there is provided a bath facility having an automatic dropping hot water supply function capable of automatically setting a bathtub water level to drop the water level to the water level.
[0003]
[Problems to be solved by the invention]
However, in the above-mentioned conventional bath equipment, it is necessary to perform a trial run after installing and constructing the bath equipment.However, in the past, the operator himself manually dropped the water, observed the situation one by one, and leaked pipes or automatically dropped water. It was necessary to check whether or not it could be performed well, and to perform a task such as setting a reference water level, which required labor, labor, and skill.
[0004]
Therefore, the present invention solves the above-mentioned drawbacks of the conventional apparatus, and can automatically perform a test operation to check whether there is water leakage in the bath equipment and to properly perform automatic dropping into a bathtub. The purpose of the present invention is to provide an automatic test run device.
[0005]
[Means for Solving the Problems]
To achieve the above object, an automatic trial operation device for bath equipment of the present invention includes a bathtub, a bath heating can body, a reheating circuit and a circulation pump for circulating water in the bathtub to the bath heating can body, Alternatively, a bath having a water heater for automatically dropping unheated water into the bathtub, a bathtub water level sensor and a water flow sensor provided in the reheating circuit, and a flow sensor provided in an automatic sinking path from the water heater to the bathtub. An automatic test operation device for equipment, when there is an automatic test operation command, first, the circulating pump is driven for a predetermined time to determine whether or not there is residual water equal to or higher than a water level that can be circulated to the reheating circuit in the bathtub. If there is, a test operation impossible display is performed, and if not, the water heater is started to be dropped into the bathtub, and the water level is set to a level slightly higher than the circulating bracket of the bathtub. While dropping the predetermined constant water amount, it is monitored that a change occurs in the detected value of the bathtub water level sensor.If the detected value of the bathtub water level sensor does not change even if the fixed water amount is dropped, further circulation determination is performed. The first feature is that a controller for performing a test run failure display when a water flow is not detected even by the circulation determination is provided.
Further, in addition to the above-mentioned first feature, the automatic trial operation device for bath equipment according to the present invention further comprises: If the detected value changes or if the detected value of the bathtub water level sensor does not change but the water flow is detected by the circulation determination, the bathtub corresponding to the water level that is assumed to be slightly above the circulating bracket The detection value of the water level sensor is obtained as a reference water level, and further dropping is continued.After that, when a predetermined set water level is detected within a predetermined maximum water amount or less and a predetermined constant minimum water amount or more, a test operation is performed. Completion display is performed and the detected value is stored as a reference water level.If the set water level is detected below the minimum water amount, only the test run completion display is performed, and the maximum water amount is exceeded. And a second feature in that a controller for commissioning defective display if neither detect the set water level.
[0006]
[Action]
According to the first aspect of the present invention, the operator turns on an automatic test run switch provided on a controller, a remote controller, or the like after the installation of the bath equipment is completed, so that an automatic test run command is issued, and the test run is performed. Is started. In this test operation, first, the controller drives the circulating pump for a certain period of time to determine whether or not there is residual water in the bathtub that is higher than the water level that can be circulated to the reheating circuit. If yes, the controller displays a test run disabled indication because too much water has already entered the bathtub. Therefore, in this case, the worker or the like turns on the automatic test run switch again after discharging the residual water in the bathtub. On the other hand, if the water level is lower than the circulating water level in the above determination, that is, if it is determined to be no, the controller starts to drop hot water or unheated water into the bathtub by the water heater, and the detection value of the bathtub water level sensor is detected. Changes are monitored. Then, even if a predetermined fixed amount of water is dropped as a water amount slightly higher than the circulating metal fitting of the bathtub, if the detected value of the bathtub water level sensor does not change, the controller further determines circulation. When the water flow sensor in the reheating circuit does not detect the water flow in the circulation determination, a test run failure is displayed. The display of the test run defect mainly estimates a water leak defect, a water flow sensor defect, and the like.
According to the second aspect of the present invention, in addition to the action of the first aspect, after the start of the dropping, the dropping amount of the predetermined water amount is set so as to be a water level slightly higher than the circulating metal fitting of the bathtub. By the time the detection value of the bathtub level sensor changes, or if the detection value of the bathtub level sensor does not change but the water flow is detected by the circulation determination, The detection value of the bathtub water level sensor corresponding to the water level that is assumed to be above is acquired as the reference water level. Then, further dropping is continued, and when a predetermined set water level is detected in a range of not more than a predetermined maximum water amount and not less than a predetermined fixed minimum water amount, a test run completion display is performed and the detection is performed. The value is stored as the reference water level. When the set water level is detected below the minimum water amount, only the trial run completion display is performed. On the other hand, if the set water level is not detected even if the maximum water amount is exceeded, a test run failure display is performed.
The predetermined maximum water amount can be predetermined as, for example, a water amount corresponding to the internal capacity of the bathtub. The main reason that the bathtub water level does not reach the set water level even when the water amount is reduced can be presumed to be water leakage or a malfunction of the bathtub water level sensor.
Further, the predetermined set water level can be predetermined as, for example, a sufficient water level suitable for bathing as a bathtub water level.
The predetermined fixed minimum water amount can be predetermined as an amount of water that will not reach the set water level by simply dropping such an amount of water.
When the set water level is detected at a water amount equal to or less than the maximum water amount and equal to or more than the minimum water amount, it is possible to determine that the predetermined set water level has been reached at the predetermined water amount, so that the water level is assumed to be slightly above the circulation fitting. The detected value of the bathtub water level sensor corresponding to the above can also be determined to be almost correct as actually representing a water level slightly higher than the circulating bracket, so by storing this detected value as the reference water level, Automatic dropping to the required water level can be easily performed using this reference water level.
[0007]
【Example】
Hereinafter, the present invention will be described based on examples.
FIG. 1 is a block diagram showing an embodiment of a bath facility according to the present invention, FIG. 2 is a block diagram showing a relationship between a controller and each section of the apparatus, and FIG. 3 is a flowchart showing a control example of an automatic test run by the controller.
[0008]
In FIG. 1, reference numeral 10 denotes a bathtub, which is connected so as to circulate a reheating circuit 20 from the bathtub 10 to a bath heating can 30. The additional heating circulation path 20 is connected to the circulation fitting 11 of the bathtub 10, and provided with a circulation pump 21, a bath temperature sensor 22, a water flow sensor 23, and a bathtub water level sensor 24 based on pressure detection. Further, the bath heating can 30 is provided with a heat exchanger 31, a burner 32 and the like.
A water heater 40 is provided with a heat exchanger 41, a burner 42, and the like. Water entering from a water inlet pipe 43 is heated while passing through the heat exchanger 41, becomes hot water, and flows out to a hot water pipe 44. An automatic dropping path 45 is provided from the hot water supply pipe 44, and the automatic dropping path 45 is connected on the way to the reheating circuit 20 via an on-off valve 46, a flow sensor 47 and a check valve 48.
50 is a controller, and 60 is a remote controller. The controller 50 also includes a microcomputer 51, a memory 52, an input / output circuit 53, and the like, and receives commands and information from the remote controller 60 and the sensors 22, 23, 24, etc. Then, predetermined calculations, determinations, and storages are performed, and predetermined instructions are output to loads such as the circulation pump 21, the burners 32 and 42, and the on-off valve 46.
[0009]
In the reheating operation of the bath, the circulation pump 21 is driven by the controller 50, while the water in the bathtub 10 passes from the circulation fitting 11 through the reheating circuit 20 and passes through the heat exchanger 31 of the bath heating can body 30. When the bath water is heated by the burner 32 and the bath water is reheated to a predetermined temperature by the bath temperature sensor 22, the reheating operation ends.
In addition, in the automatic dropping operation to the bathtub, by setting a predetermined water level on the remote controller 60 and turning on the automatic dropping switch, the open / close valve 46 of the automatic dropping path 45 is opened, and the hot water or non-heated water is supplied from the water heater 40. Enters the reheating circuit 20 through the automatic dropping path 45 and is further introduced into the bathtub 10. When the bathtub water level sensor 24 detects the set water level, the on-off valve 46 is closed and the automatic dropping ends. The circulation pump 21 may be driven for a short time at an appropriate time during the dropping, whereby the air in the reheating circuit 20 may be wiped out so that the bathtub water level sensor 24 can detect an accurate water level.
[0010]
The control mechanism of the automatic test run by the controller 50 will be described with reference to the flowchart of FIG.
Now, when the worker or the like installs and constructs the bathtub equipment shown in FIG. 1 and turns on an automatic test run switch provided on the controller 50, the remote controller 60, or the like, an automatic test run command is issued (Yes in S1). The controller 50 first drives the circulation pump 21 for a predetermined time, monitors whether or not the water flow sensor 23 of the reheating circuit 20 detects a water flow, and circulates the reheating circuit 20 into the bathtub 10 to the reheating circuit 20. It is determined whether or not there is residual water equal to or higher than the allowable water level (S2). If there is remaining water in the bathtub 10 at a water level at which the circulation can be determined (Yes in S2), the controller 50 instructs a display unit such as the remote controller 60 to display a trial run impossible (S3), and ends the trial run. . On the other hand, if it is determined in step S2 that the water level is lower than the circulating water level, that is, if it is determined that the water level is not available, the controller 50 opens the on-off valve 46 of the automatic dropping path 45 of the water heater 40 and, if necessary, switches between hot water and non-water. The dropping of the heated water (water) into the bathtub 10 is started (S4).
[0011]
When the water heater 40 starts dropping hot or non-heated water into the bathtub, the controller 50 monitors the detection value of the bathtub water level sensor 24 for a change (S5). Then, even if a predetermined fixed water amount is dropped as a water amount that is slightly higher than the circulating metal fitting 11 of the bathtub 10, if the detection value of the bathtub water level sensor 24 does not change (S5). (No, YES in S6), and the controller 50 once stops the dropping, and makes a circulation determination by checking the presence or absence of the driving of the circulation pump 21 and the detection of the water flow by the water flow sensor 23 (S7). If the water flow sensor 23 does not detect a water flow even after repeating this circulation determination N times (No in S7, Yes in S8), a test run failure display 1 is performed (S9). The test run failure display 1 mainly estimates a water leak failure, a water flow sensor failure, and the like. The N times are set to within 2 to 3 times, and exclude the case where the water flow sensor 23 does not operate due to bubbles or the like.
[0012]
In step S5, if the bathtub water level sensor 24 changes before the entire predetermined amount of water is dropped as the water level that is slightly higher than the circulation fitting 11 of the bathtub 10, The controller 50 captures the inflection point of the change, and from that point, further drops a certain amount of water at which the water level will slightly exceed the circulating metal fitting 11, and the detection value detected by the bathtub water level sensor 24 at that time. (E.g., an electrical value) is obtained as a value indicating a bathtub water level that slightly exceeds the circulation fitting 11, and this is set as a reference water level (S10).
In the above, when the bathtub water level reaches the vicinity of the circulation fitting 11 due to dropping, the water pressure due to the water in the bathtub 10 is applied to the bathtub water level sensor 24 provided in the reheating circuit 20. A large change occurs in the detection value, such as a remarkable increase in the detection value of the bathtub water level sensor 24 as compared to that before. The starting point of this change is the inflection point, indicating that the bathtub water level has almost reached the level where reheating and circulation can be performed. Therefore, from the point of time when the controller 50 detects the inflection point of the change in the detected value, the water level further drops a certain amount of water that will slightly exceed the circulating metal fitting 11, and the bathtub when the certain amount is dropped A detection value detected by the water level sensor 24 is obtained, and this is set as a reference water level, assuming that the bathtub water level slightly exceeds the circulation fitting 11. When the correspondence between the reference water level and the detection value is established in this way, the detection value can be associated with various bathtub setting water levels, and the bathtub water level can be detected.
In addition, after dropping a certain amount of water that will slightly exceed the circulating metal fitting 11, the circulating pump 21 is driven before performing the water level detection by the bathtub water level sensor 24, and the circulating determination is performed. You may confirm that it is.
[0013]
In the circulation determination in step S7, if the water flow sensor 23 detects the water flow and the circulation determination is OK (YES in S7), the controller 50 detects the reference water level (S10). In this case, since a predetermined amount of water has already been dropped as the amount of water that is slightly higher than the circulation fitting 11 of the bathtub 10 (S6), at the time when the circulation determination is OK. Then, the detection value detected by the bathtub water level sensor 24 is adopted without dropping a new water amount, and the detected value is used as the reference water level in the same manner as in the above case.
[0014]
After detecting the reference water level in the step S10, the controller 50 continues dropping, monitors the bathtub water level and the dropped water amount with the information from the bathtub water level sensor 24 and the flow rate sensor 47, and exceeds the predetermined maximum water amount. If the bathtub water level sensor 24 does not detect the predetermined set water level (No in S11, Yes in S12), the test run failure display 2 is instructed on the display unit such as the remote controller 60 (S13), and the dropping is completed (S13). S17), the test run ends.
The predetermined maximum water amount can be predetermined as, for example, a water amount corresponding to the internal capacity of the bathtub. Further, the predetermined set water level can be predetermined as a sufficient water level suitable for bathing, for example, as a bathtub water level.
The test run defect display 2 mainly estimates a water leak defect, a bathtub water level sensor 24 defect, and the like.
[0015]
On the other hand, when the bathtub water level sensor 24 detects a predetermined set water level below the predetermined maximum water amount (Yes in S11, No in S12), the controller 50 further sets the water amount to a predetermined minimum water amount or more. It is determined whether or not the water level has been detected (S14), and if not (NO in S14), only a test run completion display is commanded to a display unit such as the remote controller 60 (S15), and the dropping is completed (S17). , End the trial run.
The predetermined fixed minimum water amount can be predetermined as an amount of water that will not reach the set water level by simply dropping such an amount of water. When the bathtub water level sensor 24 detects a predetermined water level below such a minimum water amount, there is no water leakage, but in addition to the automatic water drop, a normal hot water tap or the like to the bathtub 10 is opened, and other water or the like is opened. Is simultaneously dropped, or a failure of the bathtub water level sensor 24 is estimated, so that the detected reference water level is not always correct as showing a water level slightly over the circulation fitting 11, The reference water level is not stored.
[0016]
In step S14, in the case of Yes, that is, when the bathtub water level sensor 24 detects a predetermined set water level that is equal to or less than the maximum water amount and equal to or greater than a certain minimum water amount, the controller 50 issues a test run completion display and performs the detection. The obtained reference water level is stored in association with the detected value (S16). Then, the dropping ends (S17). By storing the data in a non-volatile memory, the same reference water level can be used even after a power failure or the like.
When the bathtub water level sensor 24 detects the set water level with a water amount that is equal to or less than the maximum water amount and equal to or greater than the minimum water amount, it is possible to determine that the set water level has been reached with the planned water amount. The detected value detected by the bathtub water level sensor 24 when the water level reaches the level at which the water can circulate to the passage 20 is also almost correct as representing the actual water level of the bathtub 10 at which the circulation to the reheating circuit 20 is possible. Since the determination can be made, by storing the detected value as the reference water level, it is possible to easily perform the automatic drop to the required water level using the reference water level thereafter.
[0017]
【The invention's effect】
The present invention has the above-described configuration, and according to the automatic trial operation device for bath equipment according to claim 1, when an automatic trial operation command is issued, first, the circulation pump is driven for a certain period of time to re-fire in the bathtub. It is determined whether or not there is residual water higher than the water level that can be circulated to the water.If there is, a test run disabled display is performed. While dropping a predetermined constant water amount such that the water level becomes slightly higher than the circulating metal fittings, monitor the occurrence of a change in the detection value of the bathtub water level sensor, and detect the detection value of the bathtub water level sensor even if the constant water amount is dropped. If there is no change in the flow rate, the controller performs a circulation determination further, and if no water flow is detected by this circulation determination, a controller that displays a test run failure is provided. The automatic test run can be automatically performed by simply turning on the automatic test run switch, and the level of residual water is detected to determine whether automatic test run is possible. Since it is possible to automatically obtain the judgment of the test run failure for estimating the failure or the like, it is possible to perform the test run very simply, in a short time and efficiently without the need for manpower, labor and skill.
According to the automatic test equipment for bath equipment according to the second aspect, in addition to the effect of the configuration according to the first aspect, a predetermined constant water amount drop such that the water level is slightly higher than the circulating bracket of the bathtub. When the detection value of the bathtub water level sensor changes after the start of the operation, or when the detection value of the bathtub water level sensor does not change but the water flow is detected by the circulation determination, it becomes slightly higher than the circulation fitting. The detection value of the bathtub water level sensor corresponding to the assumed water level is obtained as a reference water level, and further dropping is continued, and thereafter, a predetermined set water level in a range of not more than a predetermined maximum water amount and not less than a predetermined fixed minimum water amount. Is detected, the test run completion display is performed, and the detected value is stored as a reference water level.If the set water level is detected below the minimum water amount, only the test run completion display is performed. If the set water level is not detected even if the maximum water amount is exceeded, a controller for performing a test run failure display is provided, so that in an automatic test run, a reference water level serving as a reference for automatic dropping is automatically obtained under appropriate conditions. By using the reference water level, the set water level can be reliably and stably automatically reduced thereafter.
In addition, a test run defect display for estimating a water leak, a failure of a bathtub water level sensor, and the like can be automatically obtained by a test run defect display when the set water level is not detected even when the maximum water amount is exceeded.
In addition, when the set water level is detected below the minimum water volume, only the test run completion display indicates that there was no water leak etc., but the test run was possible for the time being, but in addition to automatic dropping, other water etc. was dropped at the same time Also, it is possible to automatically obtain a judgment for estimating a failure of the bathtub water level sensor.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing an embodiment of a bath facility according to the present invention.
FIG. 2 is a block diagram illustrating a relationship between a controller and each unit of the apparatus.
FIG. 3 is a flowchart illustrating a control example of an automatic test run by a controller.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Bathtub 11 Circulation fitting 20 Reheating circulation circuit 21 Circulation pump 22 Bath temperature sensor 23 Water flow sensor 24 Bathtub water level sensor 30 Bath heating can body 40 Water heater 45 Automatic drop-in path 47 Flow sensor 50 Controller

Claims (2)

浴槽と、風呂加熱缶体と、該風呂加熱缶体へ前記浴槽の水を循環させる追い焚き循環路及び循環ポンプと、温水または非加熱水を前記浴槽へ自動落とし込みする給湯器と、前記追い焚き循環路に設けられる浴槽水位センサ及び水流センサと、前記給湯器から浴槽への自動落とし込み路に設けられる流量センサとを有する風呂設備の自動試運転装置であって、自動試運転指令が有ると、先ず前記循環ポンプを一定時間駆動させて、浴槽内に追い焚き循環路へ循環することができる水位以上の残水が有るか否かを判定し、有りの場合には試運転不可表示を行い、否の場合には更に前記給湯器による浴槽への落とし込みを開始させ、浴槽の循環金具より少し上の水位になるような予め定めた一定水量の落とし込みを行いながら、浴槽水位センサの検出値に変化が生じるのを監視し、前記一定水量を落とし込んでも浴槽水位センサの検出値に変化が生じない場合には、さらに循環判定を行い、この循環判定によっても水流を検出しない場合には試運転不良表示を行うコントローラを設けたことを特徴とする風呂設備の自動試運転装置。A bathtub, a bath heating can body, a reheating circuit and a circulation pump for circulating water in the bathtub to the bath heating can body, a water heater for automatically dropping hot or unheated water into the bathtub, and the reheating An automatic test run apparatus for bath equipment having a bathtub water level sensor and a water flow sensor provided in a circulation path, and a flow rate sensor provided in an automatic dropping path from the water heater to the bathtub. The circulation pump is driven for a certain period of time to determine whether there is residual water above the water level that can be circulated to the reheating circuit in the bathtub. Further, the water supply into the bathtub is started by the water heater, and the water level of the bathtub is measured while a predetermined constant amount of water is dropped so that the water level becomes slightly higher than the circulating bracket of the bathtub. Monitor the change in the value, and if the detected value of the bathtub water level sensor does not change even if the fixed amount of water is reduced, perform a circulation determination further, and if no water flow is detected by this circulation determination, test run An automatic test equipment for bath equipment, comprising a controller for displaying a defect. 浴槽の循環金具より少し上の水位になるような予め定めた一定水量の落とし込みの開始後に、前記浴槽水位センサの検出値に変化が生じた場合又は浴槽水位センサの検出値には変化が生じなかったが循環判定で水流を検出した場合には、前記循環金具より少し上になったとされる水位に対応する浴槽水位センサの検出値を基準水位として得、さらに落とし込みを続けて、その後予め定めた最大水量以下で且つ予め定めた一定の最小水量以上の範囲で予め定めた設定水位を検出した場合には、試運転完了表示を行うと共に前記検出値を基準水位として記憶するようにし、前記最小水量未満で前記設定水位を検出した場合には試運転完了表示のみを行い、前記最大水量を越えても設定水位を検出しない場合には試運転不良表示を行うコントローラを設けたことを特徴とする請求項1に記載の風呂設備の自動試運転装置。If the detection value of the bathtub water level sensor changes or the detection value of the bathtub water level sensor does not change after the start of the dropping of the predetermined constant water amount such that the water level becomes slightly above the circulating metal fitting of the bathtub. However, when the water flow is detected in the circulation judgment, the detection value of the bathtub water level sensor corresponding to the water level that is assumed to be slightly above the circulation fitting is obtained as the reference water level, and further dropping is continued, and then predetermined. When a predetermined set water level is detected in a range equal to or less than the maximum water amount and equal to or more than a predetermined fixed minimum water amount, a test run completion display is performed and the detected value is stored as a reference water level, and the value is less than the minimum water amount. A controller that performs only the trial run completion display when the set water level is detected in the above, and displays a test run failure display when the set water level is not detected even when the set water level is exceeded. Automatic commissioning device bath facility according to claim 1, characterized in that provided.
JP33809994A 1994-12-26 1994-12-26 Automatic test equipment for bath equipment Expired - Fee Related JP3551513B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33809994A JP3551513B2 (en) 1994-12-26 1994-12-26 Automatic test equipment for bath equipment

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Application Number Priority Date Filing Date Title
JP33809994A JP3551513B2 (en) 1994-12-26 1994-12-26 Automatic test equipment for bath equipment

Publications (2)

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JPH08178416A JPH08178416A (en) 1996-07-12
JP3551513B2 true JP3551513B2 (en) 2004-08-11

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JP33809994A Expired - Fee Related JP3551513B2 (en) 1994-12-26 1994-12-26 Automatic test equipment for bath equipment

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Publication number Priority date Publication date Assignee Title
JP2012149856A (en) * 2011-01-21 2012-08-09 Corona Corp Water heater for bath

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