JPS6143613B2 - - Google Patents
Info
- Publication number
- JPS6143613B2 JPS6143613B2 JP53014601A JP1460178A JPS6143613B2 JP S6143613 B2 JPS6143613 B2 JP S6143613B2 JP 53014601 A JP53014601 A JP 53014601A JP 1460178 A JP1460178 A JP 1460178A JP S6143613 B2 JPS6143613 B2 JP S6143613B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- water supply
- water
- passage
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 83
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 241000234435 Lilium Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Description
【発明の詳細な説明】
本発明は温水供給器（瞬間湯わかし器）の凍結
防止装置に関するものである。温水供給器の凍結
防止は給水栓を閉じ、排水栓を開いて器具の内部
の水を抜いておく方法(1)と、少量の水をたれ流し
にしておく方法(2)とが従来から行なわれている。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a freezing prevention device for a hot water supply device (instant water boiler). Traditional methods to prevent hot water supplies from freezing include closing the water tap and opening the drain valve to drain the water inside the device (1), and leaving a small amount of water to drain (2). ing.
ところで(1)の方法は凍結のおそれのあるときは
その都度、行なわなければならない不便があり、
かつ、気温が急変した場合の事故を防止できない
欠点がある。また、(2)の方法は寒冷地においては
常識になつているが、温暖地では忘れがちになり
易く、かつ、水を無駄に消費する欠点がある。 However, method (1) has the inconvenience of having to be performed every time there is a risk of freezing.
Another disadvantage is that accidents cannot be prevented when the temperature suddenly changes. Furthermore, although method (2) is common knowledge in cold regions, it is easy to forget in warm regions, and has the disadvantage of wasting water.
本発明は上記のような欠点のない凍結防止装置
を提供することを目的とするものであつて、外部
又は器具の通水路に温度検出器を設け、該温度検
出器の出力によつて給水弁および排水弁の開閉を
自動的に制御し、器具の通水路内の排水を確実に
行なうことを特徴とする。以下その実施例を図面
について説明する。 The object of the present invention is to provide an anti-freeze device that does not have the above-mentioned drawbacks, and includes a temperature sensor provided outside or in the water passage of the device, and the output of the temperature sensor used to control the water supply valve. The apparatus is characterized by automatically controlling the opening and closing of the drain valve to ensure drainage in the water passage of the appliance. Examples thereof will be described below with reference to the drawings.
第１図は温水供給器の全体の構成を示す図で、
１は給水口、２は給水元栓、３は通水路１１の入
口に設けた給水弁、４は通水路１１から分岐した
連通管１５に設けた排水弁である。５は給水弁３
の開口６を開閉する弁板、７は排水弁４の開口８
を開閉する弁板で、弁板５と弁板７とは軸９によ
り結合されている。１０は軸９を駆動するソレノ
イドで、通水路１１又は外部に設けた温度検出器
１２，１２′の出力によつて制御される制御回路
１３に接続されている。１４は通水路１１に設け
た熱交換器（吸熱フイン）１７は通水路１１と連
通する給湯管１６に設けた給湯元栓である。１８
は熱交換器１４を加熱するガスバーナで、通水路
１１に設けたベンチユリー１９によつて動作する
ダイヤフラム２０の軸２１に取付けた水圧応動弁
２２を介してガスの供給を受ける。２３は水圧応
動弁２２がガス供給口２４を閉じるように付勢し
たスプリング、２５はガス供給管２６に設けたガ
ス元栓である。さらに、給水弁３と排水弁４との
結合部にさらにもう１つの開口８′を設けて通水
路１１の入口付近の水が直接、排水口に流れる短
絡水路１５′を形成し、軸９にもう１つの弁体
７′を設けて、前記開口８′を開口８と同時に開閉
するものである。 Figure 1 is a diagram showing the overall configuration of the hot water supply device.
1 is a water supply port, 2 is a water supply valve, 3 is a water supply valve provided at the entrance of the water passage 11, and 4 is a drain valve provided on a communication pipe 15 branched from the water passage 11. 5 is water supply valve 3
A valve plate 7 opens and closes the opening 6 of the drain valve 4.
The valve plate 5 and the valve plate 7 are connected by a shaft 9. Reference numeral 10 denotes a solenoid that drives the shaft 9, and is connected to a control circuit 13 that is controlled by the water passage 11 or the output of temperature detectors 12, 12' provided outside. Reference numeral 14 denotes a heat exchanger (endothermic fin) 17 provided in the water passage 11, and a hot water source valve provided in the hot water supply pipe 16 communicating with the water passage 11. 18
is a gas burner that heats the heat exchanger 14, and is supplied with gas via a hydraulically responsive valve 22 attached to the shaft 21 of a diaphragm 20 operated by a ventilate 19 provided in the water passage 11. 23 is a spring biased so that the hydraulic valve 22 closes the gas supply port 24, and 25 is a gas main valve provided in the gas supply pipe 26. Furthermore, another opening 8' is provided at the joint between the water supply valve 3 and the drain valve 4 to form a short-circuit channel 15' through which water near the inlet of the water passage 11 flows directly to the drain port. Another valve body 7' is provided to open and close the opening 8' at the same time as the opening 8.
次にその作用を説明する。通常の使用時におい
ては給水元栓２、給湯元栓１７およびガス元栓２
５はいづれも開いており、給水弁３の弁板５はそ
の開口６を開き、排水弁４の弁板７はその開口８
を閉じている。すなわち、制御回路１３は第１図
に示すように、ソレノイド１０が軸９を引き上げ
るよう制御している。いま、給湯管１６の先端の
図示してない給湯栓が開いて給水口１から冷水が
通水路１１に流入すると、ベンチユリー１９によ
りダイヤフラム２０の両側に水圧差を生じ水圧応
動弁２２がガス供給口２４を開き、ガスバーナ１
８にガスを供給する。給湯管１６における湯の使
用が停止すると通水路１１の流水が停止して水圧
応動弁２２はガス供給口２４を閉じる。 Next, its effect will be explained. During normal use, water supply valve 2, hot water supply valve 17, and gas supply valve 2
5 are open, the valve plate 5 of the water supply valve 3 opens its opening 6, and the valve plate 7 of the drain valve 4 opens its opening 8.
is closed. That is, the control circuit 13 controls the solenoid 10 to pull up the shaft 9, as shown in FIG. Now, when the hot water tap (not shown) at the tip of the hot water supply pipe 16 opens and cold water flows into the water passage 11 from the water supply port 1, a water pressure difference is created between the two sides of the diaphragm 20 by the ventilee 19, and the water pressure responsive valve 22 closes the gas supply port. 24 and gas burner 1.
Supply gas to 8. When the use of hot water in the hot water supply pipe 16 stops, the water flow in the water passage 11 stops, and the water pressure responsive valve 22 closes the gas supply port 24.
上記のような通常の使用状態において、水温又
は気温が通水路１１内の水を凍結させる温度に低
下すると温度検出器１２又は１２′がこれを検知
して制御回路１３に信号を送り、制御回路１３は
第２図に示すように、ソレノイド１０が軸９を押
下げて弁板５が給水弁３の開口６を閉じ、弁板７
が排水弁４の開口８を、そして弁体７′が開口
８′をそれぞれ開くよう制御する。給水弁３が閉
じることによつて給水が停止され、排水弁４、弁
体７′が開くことによつて通水路１１内の前後
（熱交換器１４の下流および上流の通水路１１）
の水が迅速に、かつ確実に排出されて凍結を防止
する。 In the above-mentioned normal usage conditions, when the water temperature or air temperature drops to a temperature that freezes the water in the water passage 11, the temperature detector 12 or 12' detects this and sends a signal to the control circuit 13, and the control circuit 13, as shown in FIG. 2, the solenoid 10 pushes down the shaft 9, the valve plate 5 closes the opening 6 of the water supply valve 3, and the valve plate 7
controls opening 8 of drain valve 4, and valve body 7' opens opening 8'. Water supply is stopped by closing the water supply valve 3, and by opening the drain valve 4 and valve body 7', the water supply is stopped before and after the water passage 11 (the water passage 11 downstream and upstream of the heat exchanger 14).
Water is quickly and reliably drained to prevent freezing.
以上述べたように、本発明の装置においては、
水温又は気温が所定の温度以下に低下したときは
自動的に給水弁を閉じ、排水弁を開いて凍結を未
然に防止する。そして冒頭で述べた従来の凍結防
止方法のような不便さと、水の無駄な消費がな
い。 As described above, in the device of the present invention,
When the water temperature or air temperature drops below a predetermined temperature, the water supply valve is automatically closed and the drain valve is opened to prevent freezing. Furthermore, there is no inconvenience and wasteful water consumption as with the conventional antifreeze method mentioned at the beginning.
また、熱交換器の上下流の通水路から排水する
ので、器具等から確実に、かつ効果的に排水でき
る。なお、本発明の装置においては、制御回路１
３が給水弁３を閉じ、排水弁４を開いているとき
に給湯を開始するために、制御回路１３に手動の
制御スイツチを設けておく必要のあることはいう
までもない。 Furthermore, since water is drained from the water passages upstream and downstream of the heat exchanger, water can be reliably and effectively drained from the appliances, etc. Note that in the device of the present invention, the control circuit 1
Needless to say, it is necessary to provide a manual control switch in the control circuit 13 in order to start supplying hot water when the water supply valve 3 is closed and the drain valve 4 is opened.
第１図は本発明の実施例の構成を示す図、第２
図は給水弁が閉じ、排水弁が開いているときの第
１図の部分断面図である。
１……給水口、２……給水元栓、３……給水
弁、４……排水弁、５……弁板、６……開口、７
……弁板、７′……弁体、８，８′……開口、９…
…軸、１０……ソレノイド、１１……通水路、１
２，１２′……温度検出器、１３……制御回路、
１４……熱交換器、１５……連通管、１６……給
湯管、１７……給湯元栓、１８……ガスバーナ、
１９……ベンチユリー、２０……ダイヤフラム、
２１……軸、２２……水圧応動弁、２３……スプ
リング、２４……ガス供給口、２５……ガス元
栓、２６……ガス供給管。
Figure 1 is a diagram showing the configuration of an embodiment of the present invention, Figure 2 is a diagram showing the configuration of an embodiment of the present invention.
The figure is a partial sectional view of FIG. 1 when the water supply valve is closed and the drain valve is open. 1... Water supply port, 2... Water supply valve, 3... Water supply valve, 4... Drain valve, 5... Valve plate, 6... Opening, 7
... Valve plate, 7'... Valve body, 8, 8'... Opening, 9...
...shaft, 10... solenoid, 11... water passage, 1
2, 12'... Temperature detector, 13... Control circuit,
14...Heat exchanger, 15...Communication pipe, 16...Hot water supply pipe, 17...Hot water supply tap, 18...Gas burner,
19... Bench lily, 20... Diaphragm,
21...Shaft, 22...Hydraulic pressure responsive valve, 23...Spring, 24...Gas supply port, 25...Gas main valve, 26...Gas supply pipe.
Claims (1)
た通水路を通過して温水となつて給湯管から供給
される構成において、前記通水路の入口に給水弁
を設けると共に前記熱交換器の下流の通水路から
分岐した連通管に排水弁を設け、前記通水路又は
外部に設けた温度検出器の出力によつて制御され
る制御回路によつて前記給水弁および排水弁の開
閉を制御するよう構成し、前記温度検出器によつ
て検出された温度が所定の温度以上のときは前記
給水弁は開き、排水弁は閉じており、所定の温度
以下のときは前記給水弁を閉じると共に排水弁を
開くよう構成し、かつ前記給水弁近傍の下流の通
水路と連通管を短絡水路で接続し、この短絡水路
に前記排水弁と連動して同じように開、閉する弁
体を設けたことを特徴とする温水供給器の凍結防
止装置。1. In a configuration in which cold water supplied from a water supply port passes through a water supply channel equipped with a heat exchanger, becomes hot water, and is supplied from a hot water pipe, a water supply valve is provided at the entrance of the water supply channel, and a water supply valve is provided at the entrance of the heat exchanger. A drain valve is provided in a communication pipe branched from a downstream water passage, and the opening and closing of the water supply valve and the drain valve are controlled by a control circuit that is controlled by the output of the temperature sensor provided in the water passage or outside. When the temperature detected by the temperature sensor is above a predetermined temperature, the water supply valve is opened and the drain valve is closed, and when the temperature is below the predetermined temperature, the water supply valve is closed and the water is drained. The valve is configured to open, and the downstream water passage near the water supply valve and the communication pipe are connected by a short circuit passage, and the short circuit passage is provided with a valve body that opens and closes in the same manner as the drain valve. An antifreeze device for a hot water supply device, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1460178A JPS54108041A (en) | 1978-02-12 | 1978-02-12 | Freezing preventing apparatus of hot water supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1460178A JPS54108041A (en) | 1978-02-12 | 1978-02-12 | Freezing preventing apparatus of hot water supplier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54108041A JPS54108041A (en) | 1979-08-24 |
| JPS6143613B2 true JPS6143613B2 (en) | 1986-09-29 |
Family
ID=11865703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1460178A Granted JPS54108041A (en) | 1978-02-12 | 1978-02-12 | Freezing preventing apparatus of hot water supplier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54108041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6370007A (en) * | 1986-09-10 | 1988-03-30 | Babcock Hitachi Kk | Gas burner in fluidized bed |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582542U (en) * | 1981-06-26 | 1983-01-08 | パロマ工業株式会社 | Freeze prevention device for pre-stop water heaters |
| CN106979622A (en) * | 2017-04-28 | 2017-07-25 | 广东万家乐燃气具有限公司 | A kind of antifreeze treasured of gas heater with water quality detecting function |
-
1978
- 1978-02-12 JP JP1460178A patent/JPS54108041A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6370007A (en) * | 1986-09-10 | 1988-03-30 | Babcock Hitachi Kk | Gas burner in fluidized bed |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54108041A (en) | 1979-08-24 |
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