JPS5972024A - Informing device for bathtub - Google Patents
Informing device for bathtubInfo
- Publication number
- JPS5972024A JPS5972024A JP18357082A JP18357082A JPS5972024A JP S5972024 A JPS5972024 A JP S5972024A JP 18357082 A JP18357082 A JP 18357082A JP 18357082 A JP18357082 A JP 18357082A JP S5972024 A JPS5972024 A JP S5972024A
- Authority
- JP
- Japan
- Prior art keywords
- water level
- circuit
- relay
- power
- bathtub
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Description
【発明の詳細な説明】 く技術分野〉 本発明は浴槽用報知装置に関するものである。[Detailed description of the invention] Technical fields> The present invention relates to a bathtub notification device.
〈従来技術〉
浴槽用の報知装置としては、浴槽にセンサー電極を設け
、このセンサー電極で浴槽内の水位を検知し、水位検知
回路を介して、交流電源に接続された主電気回路の報知
部、例えばブザーを鳴動させて水位を報知するようにし
たものがある。しかし、この種の電極式水位検知型のも
のは、微弱電流（数μへ〜数１０μＡの程度）と云えど
も浴槽内の水（湯）に電流を流して水位を検知するため
、安全に万全を期していても万一の場合に漏電の危険性
がある。<Prior art> As a notification device for a bathtub, a sensor electrode is provided in the bathtub, the sensor electrode detects the water level in the bathtub, and the notification device of the main electric circuit connected to the AC power source is sent via the water level detection circuit. For example, there are devices that notify the water level by sounding a buzzer. However, this type of electrode-type water level detection type detects the water level by passing a current through the water (hot water) in the bathtub, even though it is a weak current (several μ to several tens of μA), so it is completely safe. Even if you take precautions, there is a risk of electrical leakage in the unlikely event of an accident.
〈目的〉
本発明は、このような問題点に鑑み、検知可能状態にセ
ットしたと外には水位検知回路側が他の主電気回路から
絶縁された回路となるようにして、漏電等に対する安全
性の向」二を目的としたものて゛ある。<Purpose> In view of these problems, the present invention provides safety against electrical leakage by making the water level detection circuit side into a circuit that is insulated from other main electric circuits when set to a detectable state. There are some that are intended for the second purpose.
〈実施例〉
以下、図示の実施例についで本発明を詳述すると、第１
図において、１は浴槽、２はその浴槽壁で、これにはセ
ンサ一本体３がバッキング４、ナツト５等により取付け
られている。センサ一本体３には水位検知用の一対のセ
ンサー電極６，７が浴槽１の内部側に露出するように埋
込まれており、そのセンサー電極６，７は浴室外（例え
ば台所等）の壁面に掛市された本体８に接続ケーブル３
１を介して接続されている。本体８は、第２図に示す電
気回路部を内蔵した箱状であって、その前面にはセット
ボタンスイッチ９、リセットボタンスイッチ１０、ブザ
ー１１、水位調節つまみ１２等が設けられ、また側面に
は商用交流電源に接続する電源プラグ１３か設けられて
いる。<Example> Hereinafter, the present invention will be described in detail with reference to the illustrated example.
In the figure, 1 is a bathtub, and 2 is a wall of the bathtub, to which a sensor main body 3 is attached with a backing 4, a nut 5, etc. A pair of sensor electrodes 6 and 7 for water level detection are embedded in the sensor body 3 so as to be exposed inside the bathtub 1, and the sensor electrodes 6 and 7 are connected to the wall outside the bathroom (for example, in the kitchen). Connecting cable 3 to main body 8
1. The main body 8 is box-shaped and has a built-in electric circuit as shown in FIG. A power plug 13 is provided for connection to a commercial AC power source.
次に、この使用方法の概要を説明すると、プラグ１３は
一般的には２・４時間中、常に商用交流電源（ＡＣｌ（
１０Ｖ）に接続したままである。浴槽１に給水（或いは
給湯）する際には、先ず水位調節つよみ１２により水位
を設定した後、セットボタンスイッチ９を押す。すると
浴槽１内の水位が設定水位に達すれば、センサー電極６
，７が短絡して検知し、ブザー１１が鳴動して報知する
。リセットボタンスイッチ１０を押せば、ブザー１１が
鳴り止むと共に、本体８内部の回路はリセットされ、待
機状態、つホリセンサー電極６．マ側は遮断状態になる
。また、セットボタンスイッチ９を押して一定時間経過
してもブザー１１が鳴らないとぎ、即ちセットしたが給
水忘れや給水量が少ないとトにも、その後にブザー１１
が鳴って報知する。なお、水位の調節はセンサー電極６
，７が短絡された時からブザー１１が鳴動して報知する
までの遅延時間を調節することにより低水位Ｉ７と高水
位１−１との間で任意に行なうことか′できる。Next, to give an overview of this method of use, the plug 13 is generally always connected to a commercial AC power source (ACl) for 2 to 4 hours.
10V). When supplying water (or hot water) to the bathtub 1, first set the water level using the water level adjustment knob 12, and then press the set button switch 9. Then, when the water level in the bathtub 1 reaches the set water level, the sensor electrode 6
, 7 are short-circuited and detected, and the buzzer 11 sounds to notify the user. When the reset button switch 10 is pressed, the buzzer 11 stops sounding, the circuit inside the main body 8 is reset, and the sensor electrode 6. The mother side is in a cut-off state. In addition, if the buzzer 11 does not sound even after a certain period of time has elapsed after pressing the set button switch 9, in other words, if you forget to add water or the amount of water is insufficient after setting the set button, the buzzer 11
sounds to notify you. In addition, the water level can be adjusted using the sensor electrode 6.
, 7 are short-circuited until the buzzer 11 sounds to notify the user, the water level can be set arbitrarily between the low water level I7 and the high water level 1-1.
次に第２図により本発明装置の電気的な動作を説明する
。先ず、交流電源（ＡＣ１ｒ＋（１＼・“）は絶縁トラ
ンス１／ｌにより降圧され、次の直流電源回路１５で直
流に変換され、以下の主電気回路３０に直流電源を供給
する。この直流電源が通電された待機状態では、リレー
１にはＯＦＦル：態となっているため、そのリレー接点
１７はＢ（ブレーク）接点側にあり、大容量コンデンサ
１８には所定の直流電圧がチャージされている。ここで
、セットボタンスイッチ９を押せば、スイッチング回路
１つの働きにより、リレー１ＧがＯＮとなる。従って、
リレー接点１７はＭ（メーク）接点側に切朴ろ。この状
態で初めて水位検知回路２（）は大容量コンデンサ１８
を電源として動作を開始する。なお、水位検知回路２０
は当然ながら微小電流で作動する３−
高入力インピーダンス回路となっている。ここで、浴槽
１の水位が」１昇し、センサー電極６，７が水により短
絡されると、保護抵抗２１．２２を経て水位検知回路２
０から７オトカブラー２３にパルス電流が出力される。Next, the electrical operation of the device of the present invention will be explained with reference to FIG. First, the AC power supply (AC1r+(1\・") is stepped down by an isolation transformer 1/l, converted to DC power in the next DC power supply circuit 15, and supplies DC power to the following main electric circuit 30. This DC power supply In the standby state where the relay 1 is energized, the relay 1 is in the OFF state, so the relay contact 17 is on the B (break) contact side, and the large capacity capacitor 18 is charged with a predetermined DC voltage. Now, if you press the set button switch 9, the relay 1G will be turned on by the action of one switching circuit.Therefore,
Relay contact 17 should be cut on the M (make) contact side. For the first time in this state, the water level detection circuit 2 () is connected to the large capacity capacitor 18.
Starts operation using the power supply. In addition, the water level detection circuit 20
Of course, it is a high input impedance circuit that operates with a small current. Here, when the water level in the bathtub 1 rises by 1 and the sensor electrodes 6 and 7 are short-circuited by water, the water level detection circuit 2 passes through the protective resistors 21 and 22.
A pulse current is output to the 0 to 7 automatic coupler 23.
この信号は信号処理回路２４に伝えられ、次にブザー遅
延回路２５に入力される。ここでは水位調節つまみ１２
に連動するブザー遅延時間調節器２６で設定された遅延
後、ブザー駆動回路２７に信号が出力され、ブザー１１
が前述の如く鳴動する。この報知により使用者がリセッ
トボタンスイッチ１０を押せば゛、スイッチング回路１
９からリレーＯＦＦ信号が出力されるが、この信号はＯ
Ｒ回路２８を介しリレー１６に伝えられ、リレー１６は
ＯＦＦ状態となる。従ってリレー接点１７はＢ接点側に
切替わるため、水位検知回路２０はＯＦＦになると共に
、大容量コンデンサ１８は次の動作に備えて充電され待
機状態となる。なお、セットボタンスイッチ９を押して
動作を開始したにも拘らず、何らかの原因（給水するの
を忘れていた場合、給水量が非常に少な＝４＝
い場合、漏水して水が浴槽１に溜らない場合等）で一定
時間以内にブザー１１が鳴らないときは、セットボタン
スイッチ９を押すと同時にカウントアツプを開始したタ
イマー回路２つが働き、ブザー駆動回路２７を経てブザ
ー１１を鳴動させると共に、出力信号がＯＲ回路２８を
通しリレー１６に伝えられ、リレー１６はＯＦＦ状態（
Ｂ接点側）となる。This signal is transmitted to the signal processing circuit 24 and then input to the buzzer delay circuit 25. Here, water level adjustment knob 12
After a delay set by the buzzer delay time adjuster 26 linked to the buzzer 11, a signal is output to the buzzer drive circuit 27, and the buzzer 11
sounds as described above. When the user presses the reset button switch 10 based on this notification, the switching circuit 1
A relay OFF signal is output from 9, but this signal is
The signal is transmitted to the relay 16 via the R circuit 28, and the relay 16 is turned off. Therefore, the relay contact 17 is switched to the B contact side, so the water level detection circuit 20 is turned off, and the large capacity capacitor 18 is charged and placed in a standby state in preparation for the next operation. In addition, even if you press the set button switch 9 to start the operation, if for some reason (you forgot to supply water, the amount of water supplied is very low), water leaks and water accumulates in the bathtub 1. If the buzzer 11 does not sound within a certain period of time (such as when the buzzer 11 does not sound), the two timer circuits that start counting up at the same time as the set button switch 9 are activated, make the buzzer 11 sound via the buzzer drive circuit 27, and output The signal is transmitted to the relay 16 through the OR circuit 28, and the relay 16 is in the OFF state (
B contact side).
このように実施例では、水位検知回路２０はセット中（
セットボタンスイッチ９を押してブザー１１が鳴ってか
らリセットボタンスイッチ１０を押すまで）のみしか動
作状態になく、しかも、この場合は主電気回路３０とは
電気的に完全に絶縁された大容量コンデンサ１８（いわ
ば電池）により給電する回路構成になっているので、動
作中の安全性が極めて高く、漏電その他の万一の事故に
も万全である。また水位検知回路２０がリレー１６と７
オトカブラー２３で常に（運転中も待機中も）主電気回
路３０と絶縁分離されているため、雷す−ソ、静電気、
インパルスノイズ等の外米ノイズに対して強く、誤動作
も少ない。更に大容量コンデンサ１８による給電である
ため、二次電池使用等にくらべて寿命特性にも優れでい
る。In this way, in the embodiment, the water level detection circuit 20 is set (
(from when the set button switch 9 is pressed and the buzzer 11 sounds to when the reset button switch 10 is pressed) is in operation, and in this case, the large capacitor 18 is completely electrically isolated from the main electric circuit 30. Since the circuit configuration is such that power is supplied by a battery (so to speak), safety during operation is extremely high, and there is no risk of electrical leakage or other unexpected accidents. In addition, the water level detection circuit 20 is connected to the relays 16 and 7.
Since the automatic coupler 23 is always insulated from the main electrical circuit 30 (both during operation and during standby), lightning strikes, static electricity, etc.
It is resistant to foreign noise such as impulse noise, and has few malfunctions. Furthermore, since the power is supplied by the large-capacity capacitor 18, the life characteristics are superior to those using secondary batteries.
く効果〉
以−１一実施例に詳述したように、本発明によれば、水
位検知回路側を検知可能状態にセットしたとぎ、該水位
検知回路側が主電気回路から電気的に絶縁分離して動作
するようにしているので、動作中の安全性が極めて高く
、漏電その他の万一の事故にも万全であり、その実用的
効果は極めて大である。Effect> As described in detail in Embodiment 1, according to the present invention, once the water level detection circuit side is set to a detectable state, the water level detection circuit side is electrically insulated and separated from the main electric circuit. Since the device is designed to operate in a controlled manner, it is extremely safe during operation, and is fully protected against electrical leakage and other unexpected accidents, and its practical effects are extremely large.
第１図は本発明の一実施例を示す構成図、第２図はその
電気ブロック図である。
１：浴槽、６，７：センサー電極、９：セットボタンス
イッチ、１０：リセットボタンスイッチ、１６：リレー
、１８：大容量コンデンサ、２０：水位検知回路、３０
：主電気回路。
出 願 人 シャープ株式会社
代理人 中村恒久
７−FIG. 1 is a configuration diagram showing one embodiment of the present invention, and FIG. 2 is an electrical block diagram thereof. 1: Bathtub, 6, 7: Sensor electrode, 9: Set button switch, 10: Reset button switch, 16: Relay, 18: Large capacity capacitor, 20: Water level detection circuit, 30
: Main electrical circuit. Applicant Sharp Corporation Agent Tsunehisa Nakamura 7-
Claims (1)
介して主電気回路の報知部を動作させるようにした浴槽
用報知装置において、水位検知回路側を検知可能状態に
セットしｔこと外、該水位検知回路側が主電気回路から
電気的に絶縁分離して動作するようにしたことを特徴と
する浴槽用報知装置。In a bathtub alarm device that detects the water level in the bathtub with a sensor electrode and operates the alarm part of the main electric circuit via the water level detection circuit, the water level detection circuit side is set to a detectable state. A notification device for a bathtub, characterized in that the water level detection circuit side operates electrically insulated and separated from the main electric circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357082A JPS5972024A (en) | 1982-10-18 | 1982-10-18 | Informing device for bathtub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357082A JPS5972024A (en) | 1982-10-18 | 1982-10-18 | Informing device for bathtub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5972024A true JPS5972024A (en) | 1984-04-23 |
Family
ID=16138116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18357082A Pending JPS5972024A (en) | 1982-10-18 | 1982-10-18 | Informing device for bathtub |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5972024A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6299234U (en) * | 1985-12-13 | 1987-06-24 | ||
| JP2006237053A (en) * | 2005-02-22 | 2006-09-07 | Nippon Denki Keiki Kenteisho | Error compensation type current transformer |
| JP2016180698A (en) * | 2015-03-24 | 2016-10-13 | 株式会社コロナ | Water detection electrode circuit, and hot-water heater |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5112918B1 (en) * | 1968-08-12 | 1976-04-23 |
-
1982
- 1982-10-18 JP JP18357082A patent/JPS5972024A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5112918B1 (en) * | 1968-08-12 | 1976-04-23 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6299234U (en) * | 1985-12-13 | 1987-06-24 | ||
| JP2006237053A (en) * | 2005-02-22 | 2006-09-07 | Nippon Denki Keiki Kenteisho | Error compensation type current transformer |
| JP2016180698A (en) * | 2015-03-24 | 2016-10-13 | 株式会社コロナ | Water detection electrode circuit, and hot-water heater |
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