JPH0621708B2 - Abnormality detection method of running water switch in automatic operation of hot water supply reheating device - Google Patents
Abnormality detection method of running water switch in automatic operation of hot water supply reheating deviceInfo
- Publication number
- JPH0621708B2 JPH0621708B2 JP1099490A JP9949089A JPH0621708B2 JP H0621708 B2 JPH0621708 B2 JP H0621708B2 JP 1099490 A JP1099490 A JP 1099490A JP 9949089 A JP9949089 A JP 9949089A JP H0621708 B2 JPH0621708 B2 JP H0621708B2
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water supply
- switch
- temporary
- abnormality
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 107
- 230000005856 abnormality Effects 0.000 title claims description 13
- 238000003303 reheating Methods 0.000 title claims description 13
- 238000001514 detection method Methods 0.000 title claims 2
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control For Baths (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は給湯追焚装置の自動運転に於ける流水スイッチ
の異常検出方法に関するものである。Description: TECHNICAL FIELD The present invention relates to a method for detecting an abnormality of a running water switch in automatic operation of a hot water supply reheating device.
（従来の技術） 近年、風呂設備に於いては、自動的に浴槽内に所定量の
給湯を行うと共に追焚を行えるようにした給湯追焚装置
が使用されつつある。かかる装置に於いては追焚時に於
ける空焚を防止するために追焚経路の適所に流水スイッ
チを設け、この流水スイッチがＯＮの時にのみ追焚熱交
換器加熱用のバーナを燃焼させるようにしている。従来
の装置では、かかる流水スイッチが正常か、異常かの検
出を、自動的には行っていない。(Prior Art) In recent years, a hot water supply reheating device that is capable of automatically supplying a predetermined amount of hot water in a bathtub and performing reheating is being used in bath equipment. In such a device, a running water switch is provided at an appropriate position in the additional heating route in order to prevent empty heating during additional heating, and the burner for heating the additional heating heat exchanger is burned only when this flowing water switch is ON. I have to. The conventional device does not automatically detect whether the water flow switch is normal or abnormal.
本発明は、かかる流水スイッチの異常の検出を自動運転
の過程の中で極めて合理的に自動的に行えるようにする
ことを目的とするものである。An object of the present invention is to make it possible to detect abnormality of such a water flow switch extremely reasonably automatically in the course of automatic operation.
（発明の構成） 本発明の構成を実施例に対応する図面を参照して説明す
ると、本発明は、追焚熱交換器１を経て浴槽２の循環口
３に連なる送湯経路４に、送湯ポンプ５と流水スイッチ
６を設け、該送湯経路４の上流側に、浴槽２の循環口３
に連なる追焚戻り経過７と、大気開放給水部８を経て給
湯熱交換器９に連なる給湯経路１０とを選択的に切り換
える切換手段１１を設けた給湯追焚装置に於いて、運転
開始時に、切換手段１１を給湯経路１０側に切り換えて
給湯ポンプ５を運転する一時給湯運転過程を設け、該一
時給湯運転に於ける流水スイッチ６を状態変化により、
該流水スイッチ６の異常を検出するものである。(Structure of the Invention) The structure of the present invention will be described with reference to the drawings corresponding to the embodiments. According to the present invention, the hot water is sent to a hot water supply path 4 connected to a circulation port 3 of a bath 2 through a reheating heat exchanger 1. A hot water pump 5 and a running water switch 6 are provided, and a circulation port 3 of a bath 2 is provided upstream of the hot water supply path 4.
In the hot water heating and reheating device provided with a switching means 11 for selectively switching the reheating heating sequence 7 connected to the hot water supply passage 7 and the hot water supply path 10 connected to the hot water supply heat exchanger 9 through the atmosphere open water supply unit 8, at the start of operation, There is provided a temporary hot water supply operation process in which the switching means 11 is switched to the hot water supply path 10 side to operate the hot water supply pump 5, and the running water switch 6 in the temporary hot water supply operation is changed in state by
The abnormality of the running water switch 6 is detected.
（作用及び実施例） 第１図に示すように切換手段１１を給湯経路10側に切り
換えて送湯ポンプ５を運転すると、大気開放給水部８の
ホッパー１２内に供給された湯が給湯経路１０から切換
手段１１を経て送湯経路４に流入し、流水スイッチ６、
送湯ポンプ５、追焚熱交換器１を通り送湯経路４を経て
循環口３から浴槽２内に供給される。かかる一時給湯は
比較的短い時間、例えば１分間程度行った後に停止す
る。以上に際して、流水スイッチ６は正常であれば、前
記一時給湯中はＯＮとなり、そして一時給湯の停止と共
に OFFとなる。従って、前記一時給湯運転に於ける流水
スイッチの状態愛変化が、このような変化か否かを判別
することにより該流水スイッチ６が正常であるか異常で
あるかを検出することができる。例えば流水スイッチ６
が一時給湯中もＯＦＦであった場合や、一時給湯の開始
によりＯＮになった状態が一時給湯の停止後も継続して
いる場合には異常として、自動運転に於ける異常処理、
例えば警報の発生そして自動運転の停止を行う。また流
水スイッチ６が正常と判別した場合には次の過程に進
む。(Operations and Examples) As shown in FIG. 1, when the switching means 11 is switched to the side of the hot water supply passage 10 and the hot water supply pump 5 is operated, the hot water supplied into the hopper 12 of the atmosphere open water supply unit 8 is supplied to the hot water supply passage 10. Flow through the switching means 11 into the hot water supply path 4, and the running water switch 6,
It is supplied into the bathtub 2 from the circulation port 3 through the hot water supply pump 5, the additional heat exchanger 1 and the hot water supply path 4. Such temporary hot water supply is stopped after a relatively short time, for example, about 1 minute. In the above, if the running water switch 6 is normal, it is turned on during the temporary hot water supply, and is turned off when the temporary hot water supply is stopped. Therefore, it is possible to detect whether the flowing water switch 6 is normal or abnormal by determining whether or not the change in state of the flowing water switch in the temporary hot water supply operation is such a change. For example, running water switch 6
If it is OFF during temporary hot water supply, or if the state that it was turned ON due to the start of temporary hot water supply continues after the temporary hot water supply is stopped, it is regarded as an abnormality
For example, an alarm is generated and automatic operation is stopped. If it is determined that the water flow switch 6 is normal, the process proceeds to the next step.
そして適宜の過程に於いて、一時給湯運転と同様の経路
により給湯運転を行うことにより所定量の湯を浴槽２内
に供給することができる。また適宜の過程に於いて第２
図に示すように切換手段11を追焚戻り経路７に切り換え
て送湯ポンプ５を運転すると、浴槽２内の湯は循環口３
から追焚戻り経路７に流入し、ここから切換手段１１を
経て送湯経路４に流入し、流水スイッチ６、送湯ポンプ
５、追焚熱交換器１を通り、送湯経路４を経て循環口３
から浴槽２内に供給される。このようにして浴槽２内の
湯は追焚熱交換器１を通って循環し、該追焚熱交換器１
に於いて加熱されて追焚が行われる。該追焚熱交換器１
加熱用のバーナ１３は、流水スイッチ６がＯＮの時にの
み燃焼させることにより空焚を防止することができ、こ
の流水スイッチ６は先行する過程により正常が確認され
ているので、流水スイッチ６の異常、特に常時ＯＮとな
ってしまうような異常による空焚も未然に防止すること
ができる。In a proper process, a hot water supply operation can be performed through the same route as the temporary hot water supply operation to supply a predetermined amount of hot water into the bathtub 2. In addition, in the appropriate process
As shown in the figure, when the switching means 11 is switched to the additional heating return path 7 and the hot water supply pump 5 is operated, the hot water in the bathtub 2 is circulated in the circulation port 3
To the hot water return path 7 and then to the hot water supply path 4 via the switching means 11 to pass through the running water switch 6, the hot water supply pump 5, the hot water heat exchanger 1, and circulate through the hot water supply path 4. Mouth 3
Is supplied into the bathtub 2 from. In this way, the hot water in the bathtub 2 circulates through the reheating heat exchanger 1, and the reheating heat exchanger 1
At that time, it is heated and fired. The additional heat exchanger 1
The heating burner 13 can prevent dry heating by burning only when the running water switch 6 is ON. Since the running water switch 6 has been confirmed to be normal by the preceding process, the running water switch 6 is abnormal. In particular, it is possible to prevent the empty heating due to an abnormality such as being always ON all the time.
次に、図示例の構成を説明すると、符号１４は流量セン
サ、１３′は給湯運転用のバーナ、１５は二方弁、１６
はボールタップ、１７は浴槽２の水位検出用圧力センセ
である。前述した一時給湯運転に於いて、もし大気開放
用ホッパー１２内に所定量の湯が供給されず、従って送
湯経路４に湯が供給されないと、流水スイッチ６は正常
であるにもかかわらずＯＦＦ状態となり、異常と見倣さ
れてしま場合もあるので、この所定量の湯の供給を条件
をとして前述の一時給湯運転を行うことにより、より確
実な流水スイッチ６の異常検出を行うことができる。か
かる所定量の湯の供給は、例えば大気開放用ホッパー１
２内の水位により容易に検出することができるが、この
他流量センサ14によって行うこともできる。Next, the configuration of the illustrated example will be described. Reference numeral 14 is a flow rate sensor, 13 'is a burner for hot water supply operation, 15 is a two-way valve, 16
Is a ball tap, and 17 is a pressure sensor for detecting the water level in the bathtub 2. In the above-described temporary hot water supply operation, if a predetermined amount of hot water is not supplied into the atmosphere releasing hopper 12 and therefore hot water is not supplied to the hot water supply path 4, the running water switch 6 is turned off although it is normal. Since there is a case where it is regarded as an abnormality and it may be regarded as an abnormality, by performing the above-described temporary hot water supply operation under the condition of supplying the predetermined amount of hot water, it is possible to detect the abnormality of the running water switch 6 more reliably. . The supply of the predetermined amount of hot water is performed, for example, by the hopper 1 for opening to the atmosphere.
Although it can be easily detected by the water level in 2, the flow rate sensor 14 can also be used.
（発明の効果） 本発明は以上の通り、給湯追焚装置の自動運転に於い
て、運転開始時に一時給湯運転を行って、その時の流水
スイッチの状態変化により、その異常を検出するので、
追焚装置に於ける空焚の防止を確実に行えると共に、か
かる一時給湯により浴槽には自動運転開始後、短時間の
うちに給湯がされるので、浴槽内が空か、または低水位
時の運転開始に於いても使用者に装置の故障と誤認させ
ないという効果もある。(Effect of the invention) As described above, in the automatic operation of the hot water supply reheating device, the temporary hot water supply operation is performed at the start of operation, and the abnormality is detected by the state change of the running water switch at that time.
In addition to being able to reliably prevent empty heating in the reheating device, hot water is supplied to the bathtub in a short time after automatic operation starts due to such temporary hot water supply, so when the bathtub is empty or when the water level is low. Even at the start of operation, there is an effect that the user will not be mistaken for a device failure.
第１図及び第２図は本発明を適用する給湯追焚装置の実
施例を表わした系統説明図である。 符号１……追焚熱交換器、２……浴槽、３……循環口、
４……送湯経路、５……送湯ポンプ、６……流水スイッ
チ、７……追焚戻り経路、８……大気開放給水部、９…
…給湯熱交換器、１０……給湯経路、１１……切換手
段、１２……ホッパー、１３，１３′……バーナ、１４
……流量センサ、１５……二方弁、１６……ボールタッ
プ、１７……圧力センサ。FIG. 1 and FIG. 2 are system explanatory diagrams showing an embodiment of a hot water supply additional heating device to which the present invention is applied. Reference numeral 1 ... additional heating heat exchanger, 2 ... bathtub, 3 ... circulation port,
4 ... hot water supply path, 5 ... hot water supply pump, 6 ... running water switch, 7 ... additional heating return path, 8 ... atmosphere open water supply section, 9 ...
... hot water heat exchanger, 10 ... hot water supply path, 11 ... switching means, 12 ... hopper, 13, 13 '... burner, 14
...... Flow rate sensor, 15 …… two-way valve, 16 …… ball tap, 17 …… pressure sensor.
Claims (2)
送湯経路に、送湯ポンプと流水スイッチを設け、該送湯
経路の上流側に、浴槽の循環口に連なる追焚戻り経路
と、大気開放給水部を経て給湯熱交換器に連なる給湯経
路とを選択的に切り換える切換手段を設けた給湯追焚装
置に於いて、運転開始時に、切換手段を給湯経路側に切
り換えて送湯ポンプを運転する一時給湯運転過程を設
け、該一時給湯運転に於ける流水スイッチの状態変化に
より、該流水スイッチの異常を検出することを特徴とす
る給湯追焚装置の自動運転に於ける流水スイッチの異常
検出方法1. A hot water feed pump and a running water switch are provided in a hot water supply path that is connected to a circulation port of a bathtub via a heating heat exchanger, and the hot water return connected to the circulation port of the bathtub is provided upstream of the hot water supply route. In a hot water supply reheating device equipped with a switching means for selectively switching between the path and the hot water supply path connected to the hot water supply heat exchanger via the atmosphere open water supply part, at the start of operation, the switching means is switched to the hot water supply path side and sent. A temporary hot water supply operation process for operating a hot water pump is provided, and an abnormality of the flowing water switch is detected by a change in the status of the flowing water switch in the temporary hot water supply operation. Switch abnormality detection method
放給水部の水位確認過程に続けて行わせることを特徴と
する給湯追焚装置の自動運転に於ける流水スイッチの異
常検出方法。2. A method for detecting an abnormality of a running water switch in automatic operation of a hot water supply reheating device, characterized in that the temporary hot water supply operation process according to claim 1 is carried out subsequently to the water level confirmation process of the atmosphere open water supply unit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1099490A JPH0621708B2 (en) | 1989-04-19 | 1989-04-19 | Abnormality detection method of running water switch in automatic operation of hot water supply reheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1099490A JPH0621708B2 (en) | 1989-04-19 | 1989-04-19 | Abnormality detection method of running water switch in automatic operation of hot water supply reheating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02279948A JPH02279948A (en) | 1990-11-15 |
| JPH0621708B2 true JPH0621708B2 (en) | 1994-03-23 |
Family
ID=14248748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1099490A Expired - Fee Related JPH0621708B2 (en) | 1989-04-19 | 1989-04-19 | Abnormality detection method of running water switch in automatic operation of hot water supply reheating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0621708B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3482277B2 (en) * | 1995-08-24 | 2003-12-22 | 東京瓦斯株式会社 | Water heater |
-
1989
- 1989-04-19 JP JP1099490A patent/JPH0621708B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02279948A (en) | 1990-11-15 |
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