JPH0358414B2 - - Google Patents
Info
- Publication number
- JPH0358414B2 JPH0358414B2 JP10176185A JP10176185A JPH0358414B2 JP H0358414 B2 JPH0358414 B2 JP H0358414B2 JP 10176185 A JP10176185 A JP 10176185A JP 10176185 A JP10176185 A JP 10176185A JP H0358414 B2 JPH0358414 B2 JP H0358414B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- antifreeze
- temperature sensor
- faucet
- 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 92
- 230000002528 anti-freeze Effects 0.000 claims description 29
- 230000008014 freezing Effects 0.000 claims description 22
- 238000007710 freezing Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 15
- 108010053481 Antifreeze Proteins Proteins 0.000 claims description 8
- 230000005856 abnormality Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Domestic Plumbing Installations (AREA)
Description
【発明の詳細な説明】
−産業上の利用分野−
本発明は冬期における水道管の凍結を予防する
のに用いる不凍栓に関し、特に、同不凍栓を屋内
から遠隔制御するための装置に関する。Detailed Description of the Invention - Field of Industrial Application - The present invention relates to an anti-freeze valve used to prevent water pipes from freezing in winter, and particularly relates to a device for remotely controlling the anti-freeze valve from indoors. .
−従来技術−
周知のように、寒冷地等においては、夜間の室
内温度が零下になるので、室内に分配されるカラ
ンの分配管中の水が凍結すると、長期にわたつて
上水を使えなくなるおそれがある。このため、寒
冷地においては、気温が零度以下になりそうな夜
に、カランを開放したままの状態において凍結を
予防したり、分配管の根元に組込んだ不凍栓を用
いて分配管中の水を外部へ排除している。-Prior Art- As is well known, in cold regions, indoor temperatures drop below zero at night, and if the water in the pipes that are distributed indoors freezes, the water supply becomes unavailable for a long period of time. There is a risk. For this reason, in cold regions, it is recommended to prevent freezing by leaving the door open at night when the temperature is likely to drop below zero, or by using an anti-freeze plug built into the base of the distribution pipe. water is removed to the outside.
ところで、このような目的に用いられている従
来の不凍栓は、手動操作型であるか、アクチユエ
ータによる遠隔操作型のものである。したがつ
て、これらの不凍栓にあつては、気温の低下を知
らずに分配管の水抜きを忘れたり、留守をしてい
る間に凍結が起こる可能性がある。このため、従
来では、不凍栓の遠隔操作装置に水温センサを備
えさせて、水温が凍結予想温度に達したとき、不
凍栓を水抜状態に自動的に切換える試みがなされ
ている。しかしながら、この遠隔自動制御装置に
おいては、水温センサにより凍結予想温度が検知
されると、分配管中の水が直ちに排除されること
になるので、夜の遅い時間帯での入浴や水事の際
に水が出なくなり、このような場合に、いちいち
不凍栓を通水状態に戻す必要があり、操作が面倒
で、カランから水が出るまでの間、待つ煩わしさ
があつた。 By the way, conventional antifreeze valves used for such purposes are either manually operated type or remotely operated type using an actuator. Therefore, with these antifreeze valves, there is a possibility that the person may forget to drain the water from the distribution pipe without knowing that the temperature has dropped, or that the antifreeze valve may freeze while the person is away from home. For this reason, attempts have been made in the past to equip a remote control device for an antifreeze valve with a water temperature sensor to automatically switch the antifreeze valve to a water draining state when the water temperature reaches the expected freezing temperature. However, with this remote automatic control device, when the predicted freezing temperature is detected by the water temperature sensor, the water in the distribution pipe is immediately removed, so it is not necessary to use the remote control system when taking a bath or doing waterworks late at night. In such cases, it was necessary to turn the anti-freeze valve back on, which was cumbersome to operate, and it was a hassle to wait until water came out from the drain.
この問題を解消するものとして、凍結予想温度
が検知された後に、一定時間だけ凍結予想温度が
持続したとき、不凍栓を水抜状態にするものを本
願出願人は既に提案している。 As a solution to this problem, the applicant has already proposed a system that drains the antifreeze valve when the expected freezing temperature continues for a certain period of time after the expected freezing temperature is detected.
ところで、不凍栓の水抜制御に万一の誤動作や
水排出口の凍結で分配管に残り水があると、上述
の凍結温度予想による水抜にも分配管の凍結事故
になつてしまう問題があつた。 By the way, if water remains in the distribution pipe due to a malfunction in the water drain control of the antifreeze valve or due to freezing of the water outlet, there is a problem that even if the water is drained according to the above-mentioned freezing temperature prediction, the distribution pipe may freeze. Ta.
この水抜失敗は、その後の分配管での凍結によ
つて冬期中は使用不能となるか、または分配管の
取り替えという大がかりな工事になる問題があつ
た。 This failure to drain water resulted in problems such as subsequent freezing of the distribution pipes, rendering them unusable during the winter, or requiring major construction work to replace the distribution pipes.
−発明の目的−
本発明の目的は、以上に述べたような従来の水
抜き失敗による長期の故障発生に至る事故を確実
に防止できるような遠隔自動制御装置を得るにあ
る。-Object of the Invention- An object of the present invention is to obtain a remote automatic control device that can reliably prevent the above-mentioned accidents that lead to long-term failures due to failure in draining water.
−発明の構成−
この目的を達成するため、本発明は、水温セン
サの凍結予想温度検知により不凍栓を水抜状態に
切換える不凍栓の遠隔自動制御装置において、前
記水温センサと一体に組み込んだ水検知センサ
と、前記水温センサの凍結予想温度検知により不
凍栓を水抜操作したときから一定時間後、前記水
検知センサが水検知をしたときに以上警報を発生
する制御手段を備えることを提案するものであ
る。-Structure of the Invention- In order to achieve this object, the present invention provides a remote automatic control device for an anti-freeze faucet that switches the anti-freeze faucet to a water draining state based on the predicted freezing temperature detected by the water temperature sensor. It is proposed to include a water detection sensor and a control means for generating an alarm when the water detection sensor detects water after a certain period of time from when the antifreeze valve is drained based on the predicted freezing temperature detected by the water temperature sensor. It is something to do.
−実施例−
本発明の実施例を第１図及び第２図ＡからＤを
参照して詳細に説明する。-Example- An example of the present invention will be described in detail with reference to FIG. 1 and FIGS. 2A to 2D.
第２図Ａは一般家庭の水道設備を示し、地下配
線１から各カラン２，２……に至る分配管３，３
……には、水道本管１との連絡位置に夫々アクチ
ユエータ４を持つ電動不凍栓５，５……が設けら
れ、不凍栓５の電動操作によつてカラン２への通
水と分配管３内の水を有孔管６側へ排出する水抜
きが可能にされる。また、分配管３には管内水温
を検出する水温センサ７が設けられ、この水温セ
ンサ７により管内水温が監視される。さらに、分
配管３にはその最も高い位置に水抜時の吸気口と
して吸気弁８が設けられる。 Figure 2 A shows the water supply system in a general household, and shows distribution pipes 3, 3 from underground wiring 1 to each line 2, 2...
. . . are provided with electric antifreeze taps 5, 5, . It is possible to drain water in the pipe 3 to the perforated pipe 6 side. Further, the distribution pipe 3 is provided with a water temperature sensor 7 for detecting the water temperature in the pipe, and the water temperature in the pipe is monitored by the water temperature sensor 7. Further, the distribution pipe 3 is provided with an intake valve 8 at its highest position as an intake port for draining water.
不凍栓５の遠隔操作さらには、水温センサ７か
らの検出信号取込みに、個別操作盤９，９……と
１つの集中操作盤１０との間が配線される。 Wiring is provided between the individual operation panels 9, 9, . . . and one centralized operation panel 10 for remote control of the antifreeze valve 5 and for receiving detection signals from the water temperature sensor 7.
個別操作盤９は、第２図Ｂに示すように、電源
スイツチ１１、通水操作スイツチ１２、水抜操作
スイツチ１３、異常表示ランプ１４、異常警報ブ
ザー１５、警報チエツクスイツチ１６を備える。
また、通水操作スイツチ１２と水抜操作スイツチ
１３には、それぞれの操作状態を表示するランプ
１２Ａ，１３Ａが備えられる。 As shown in FIG. 2B, the individual operation panel 9 includes a power switch 11, a water flow operation switch 12, a water drain operation switch 13, an abnormality display lamp 14, an abnormality alarm buzzer 15, and an alarm check switch 16.
Further, the water flow operation switch 12 and the water drain operation switch 13 are provided with lamps 12A and 13A that display their respective operation states.
このような操作盤９において、スイツチ１２，
１３はそれぞれ通水と水抜操作に用いられ、アク
チユエータ４への通電回路形成で不凍栓５を夫々
個別に遠隔操作する。また、警報チエツクスイツ
チ１６はランプ１４及びブザー１５の異常警報回
路をチエツクするために用いられる。 In such an operation panel 9, switches 12,
Reference numerals 13 are used for water supply and water drainage operations, respectively, and the antifreeze plugs 5 are individually remotely operated by forming a current supply circuit to the actuator 4. Further, the alarm check switch 16 is used to check the abnormality alarm circuit of the lamp 14 and the buzzer 15.
集中操作盤１０は、第２図Ｃに示すように、各
分配管３，３，……の設置場所別（洗面所、浴
室、…）の通水操作スイツチ１７1，１７2，１７
３，１７4，…、水抜操作スイツチ１８1，１８2，
１８3，１８4，…、異常表示ランプ１９1，１９
２，１９3，１９4，…、及び、共通の警報ブザー
２０を備える。これらのスイツチ１７1〜１７4，
１８1〜１８4とランプ１９1〜１９4は、個別操作
盤のスイツチ１２，１３とランプ１４とで並列回
路に編成され、これにより集中操作盤と個別操作
盤の何れからも、通水操作と水抜き操作が可能に
なり、同時にその操作状態が表示される。ブザー
２０は、各個別操作盤のブザー１５の何れか１つ
が動作されたときに動作して警報を発する論理和
条件の動作回路に回路構成される。 As shown in FIG. 2C, the central operation panel 10 has water flow operation switches 17 1 , 17 2 , 17 for each installation location (washroom, bathroom, etc.) of each distribution pipe 3 , 3 , .
3 , 17 4 , ..., water drain operation switch 18 1 , 18 2 ,
18 3 , 18 4 , ..., abnormality display lamps 19 1 , 19
2 , 19 3 , 19 4 , . . . and a common alarm buzzer 20. These switches 17 1 to 17 4 ,
18 1 to 18 4 and lamps 19 1 to 19 4 are organized into a parallel circuit with switches 12 and 13 on the individual operation panel and lamp 14, so that water flow can be controlled from either the centralized operation panel or the individual operation panel. The water draining operation becomes possible, and the operation status is displayed at the same time. The buzzer 20 is configured as an operating circuit with an OR condition that operates and issues an alarm when any one of the buzzers 15 on each individual operation panel is operated.
これら操作盤による不凍栓と遠隔操作回路は必
要な電源も含めて全て個別操作盤９内に設けられ
る。ただし、アクチユエータ４内部には、不凍栓
５の開閉位置検出器（例えばリミツトスイツチ）
が設けられる。遠隔操作回路は水道設備の規模に
応じてマイクロコンピユータやリレー回路によつ
て構成される。例えば、リレー回路構成の遠隔操
作回路は、自己保持リレー又はそのリレー回路に
よつて通水操作スイツチ１２，１７1〜１７4の操
作と水抜操作スイツチ１３，１８1〜１８4の操作
との切換えを自己保持して相応の不凍栓を通水例
と水抜側に切換操作する通電回路を形成する。 The antifreeze valve and remote control circuit provided by these operation panels, including the necessary power supply, are all provided within the individual operation panel 9. However, inside the actuator 4, there is an open/close position detector (for example, a limit switch) of the antifreeze valve 5.
will be provided. The remote control circuit is composed of a microcomputer and a relay circuit depending on the scale of the water supply facility. For example, a remote control circuit having a relay circuit configuration switches between operation of water flow operation switches 12, 17 1 to 17 4 and operation of water drain operation switches 13, 18 1 to 18 4 by a self-holding relay or its relay circuit. Forms an energizing circuit that self-holds the water and switches the corresponding antifreeze valve between the water flow and drain sides.
こうした遠隔自動制御装置において、第２図Ｄ
に示すように、分配管３には管内水温を検出する
水温センサ７と一体に水検知センサ２１が設けら
れる。この水検知センサ２１は、水切の悪い状態
や水あか等の付着による誤動作の防止のため位置
をずらして設置されるし、必要に応じて分配管３
の上下の両方に設けられる。そして、水検知セン
サ２１は腐食に強いステンレス電極にされるし、
電食を防ぐためにセンサ電極間に交流が流されて
水検知を電極間抵抗値の変化として検出する。 In such a remote automatic control device, FIG.
As shown in FIG. 2, the distribution pipe 3 is provided with a water detection sensor 21 integrally with a water temperature sensor 7 that detects the water temperature inside the pipe. This water detection sensor 21 is installed at a different position to prevent malfunctions due to poor drainage or adhesion of water scale.
installed both above and below. The water detection sensor 21 is made of corrosion-resistant stainless steel electrode,
To prevent electrolytic corrosion, an alternating current is passed between the sensor electrodes, and water detection is detected as a change in the resistance between the electrodes.
第１図はマイクロコンピユータによる遠隔操作
回路の要部制御フローを示す。通水操作スイツチ
１２，１７1〜１７4の投入（ステツプS1）で不凍
栓を通水側に遠隔操作し（ステツプS2）、水温セ
ンサ７の検出応答遅れ時間だけ待つた後（ステツ
プS3）、該水温センサ７の検出温度から配水管３
内の水温度が凍結予想温度にあるか否かをチエツ
クする（ステツプS4）。そして、凍結予想温度で
あれば、異常表示ランプ１４，１９1〜１９4を点
灯しかつブザー１５，２０を鳴動させて警報を発
生し（ステツプS5）、この状態で一定時間（例え
ば60秒）だけ凍結予想温度を監視し（ステツプ
S6）、一定時間経過にも凍結予想温度が保持され
ているときに、はじめて水抜操作を行う（ステツ
プS7）。この場合、凍結予想温度の監視時間中
に、カランが開放され、温い水が分配管３中に流
入すると、水温センサ７の検出温度が凍結予想温
度よりも高くなるので、警報を停止する。 FIG. 1 shows the main control flow of the remote control circuit by a microcomputer. By turning on the water flow operation switches 12, 171 to 174 (step S1), the antifreeze valve is remotely operated to the water flow side (step S2), and after waiting for the detection response delay time of the water temperature sensor 7 (step S3) , water pipe 3 based on the detected temperature of the water temperature sensor 7.
Check whether the water temperature inside is at the expected freezing temperature (step S4). If the temperature is predicted to be freezing, the abnormality display lamps 14 , 191 to 194 are lit and the buzzers 15, 20 are sounded to issue an alarm (step S5), and the temperature is maintained in this state for a certain period of time (for example, 60 seconds). Only monitor the expected freezing temperature (step
S6), and when the expected freezing temperature is maintained even after a certain period of time has elapsed, the draining operation is performed for the first time (step S7). In this case, if the collar is opened and warm water flows into the distribution pipe 3 during the monitoring time of the expected freezing temperature, the temperature detected by the water temperature sensor 7 will become higher than the expected freezing temperature, so the alarm will be stopped.
ここで、注目すべきことはステツプS7の水抜
操作から一定時間を待つた後（ステツプS9）、前
述の水検知センサ２１からの検出信号によつて分
配管３に水があるか否かを判定する（ステツプ
10）。この判定で、水が検知されたとき、異常表
示ランプ１４，１９1〜１９4を点灯しかつブザー
１５，２０を鳴動させて警報を発生する（ステツ
プS11）。また、水が検知されないとき又は検知
がなくなつたときは警報停止する（ステツプ12）。 What should be noted here is that after waiting a certain period of time after the water draining operation in step S7 (step S9), it is determined whether or not there is water in the distribution pipe 3 based on the detection signal from the water detection sensor 21 mentioned above. (step)
Ten). If water is detected in this judgment, the abnormality display lamps 14, 191 to 194 are turned on and the buzzers 15, 20 are sounded to generate an alarm (step S11). Furthermore, the alarm is stopped when water is not detected or when water is no longer detected (step 12).
従つて、水抜きが完全に行われたか否かの確認
制御をすることによつて、水抜失敗の発生を無く
した遠隔自動制御装置になる。 Therefore, the remote automatic control device eliminates the occurrence of water drain failure by performing control to confirm whether or not water draining has been completed.
なお、通水操作及び水抜き操作に不凍水栓の開
閉位置検出器による該水栓の動作自動チエツクを
する制御を含めることにより、制御を一層確実な
ものにすることができる。 The control can be made even more reliable by including a control in the water supply operation and water draining operation to automatically check the operation of the antifreeze faucet using an open/close position detector of the antifreeze faucet.
−発明の効果−
以上の説明から明らかなように、本発明によれ
ば、凍結予想温度により不凍栓を水抜状態に切換
えた後、水検知センサによつて水の有無を検知
し、水が検知されたときには警報するようにした
ため、水抜失敗による分配管の凍結を確実に防止
できる効果がある。-Effects of the Invention- As is clear from the above description, according to the present invention, after the antifreeze valve is switched to the water draining state according to the expected freezing temperature, the presence or absence of water is detected by the water detection sensor, and the water is removed. Since a warning is issued when this is detected, it is possible to reliably prevent the distribution pipes from freezing due to water drainage failure.
図面は本発明の一実施例を示し、第１図には遠
隔自動制御回路の要部制御フローチヤート、第２
図Ａには水道設備構成図、第２図Ｂには個別操作
盤９のパネル構成図、第２図Ｃには集中操作盤１
０のパネル構成図、第２図Ｄには水温センサと水
検知センサの取付斜視図を示す。
１……水道本管、２……カラン、３……分配
管、４……アクチユエータ、５……不凍栓、７…
…水温センサ、８……吸気弁、９……個別操作
盤、１０……集中操作盤、１１……電源スイツ
チ、１２，１７……通水操作スイツチ、１３，１
８……水抜操作スイツチ、１４，１９……異常表
示ランプ、１５，２０……警報ブザー、２１……
水検知センサ。
The drawings show one embodiment of the present invention, and FIG. 1 shows a control flowchart of main parts of a remote automatic control circuit, and FIG.
Figure A is a configuration diagram of the water supply equipment, Figure 2B is a panel configuration diagram of the individual operation panel 9, and Figure 2C is a diagram of the centralized operation panel 1.
FIG. 2D shows a perspective view of the installation of a water temperature sensor and a water detection sensor. 1...Water main, 2...Clean, 3...Distribution pipe, 4...Actuator, 5...Anti-freeze plug, 7...
... Water temperature sensor, 8 ... Intake valve, 9 ... Individual operation panel, 10 ... Centralized operation panel, 11 ... Power switch, 12, 17 ... Water flow operation switch, 13, 1
8... Water drain operation switch, 14, 19... Abnormality display lamp, 15, 20... Alarm buzzer, 21...
Water detection sensor.
Claims (1)
を水抜状態に切換える不凍栓の遠隔自動制御装置
において、前記水温センサと一体に組み込んだ水
検知センサと、前記水温センサの凍結予想温度検
知により不凍栓を水抜操作したときから一定時間
後、前記水検知センサが水検知をしたときに異常
警報を発生する制御手段を備えたことを特徴とす
る不凍栓の遠隔自動制御装置。1. In a remote automatic control device for an antifreeze faucet that switches an antifreeze faucet to a water drain state based on the predicted freezing temperature detected by the water temperature sensor, a water detection sensor integrated with the water temperature sensor and an antifreeze faucet that detects the predicted freezing temperature by the water temperature sensor are used. A remote automatic control device for an anti-freeze faucet, comprising a control means for generating an abnormality alarm when the water detection sensor detects water after a predetermined period of time after draining water from the freezing faucet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10176185A JPS61262275A (en) | 1985-05-14 | 1985-05-14 | Automatic remote controller for antifreezing cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10176185A JPS61262275A (en) | 1985-05-14 | 1985-05-14 | Automatic remote controller for antifreezing cock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61262275A JPS61262275A (en) | 1986-11-20 |
| JPH0358414B2 true JPH0358414B2 (en) | 1991-09-05 |
Family
ID=14309215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10176185A Granted JPS61262275A (en) | 1985-05-14 | 1985-05-14 | Automatic remote controller for antifreezing cock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61262275A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH077659Y2 (en) * | 1987-09-28 | 1995-02-22 | 株式会社日邦バルブ | Remote-controlled automatic antifreeze |
| JP4750540B2 (en) * | 2005-11-22 | 2011-08-17 | 学校法人明治大学 | Drainage device |
| KR100695669B1 (en) * | 2006-06-29 | 2007-03-16 | 서재관 | Water pipe freeze-protection device |
| JP5318678B2 (en) * | 2009-07-07 | 2013-10-16 | 株式会社コロナ | Hot water storage water heater |
-
1985
- 1985-05-14 JP JP10176185A patent/JPS61262275A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61262275A (en) | 1986-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |