JPH0827871A - Control method of hot water tank - Google Patents
Control method of hot water tankInfo
- Publication number
- JPH0827871A JPH0827871A JP16391494A JP16391494A JPH0827871A JP H0827871 A JPH0827871 A JP H0827871A JP 16391494 A JP16391494 A JP 16391494A JP 16391494 A JP16391494 A JP 16391494A JP H0827871 A JPH0827871 A JP H0827871A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- heater
- water tank
- water
- switch
- 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.)
- Granted
Links
Landscapes
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は人体臀部を温水で洗浄す
るための温水洗浄装置における温水タンクの制御方法に
係り、特に温水タンクのヒータの制御方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of controlling a hot water tank in a hot water washing apparatus for washing a human buttocks with hot water, and more particularly to a method of controlling a heater of a hot water tank.
【０００２】[0002]
【従来の技術】人体臀部を温水で洗浄する装置として、
温水タンク内の温水を洗浄ノズルに供給するようにした
ものがある。この場合、温水タンク内の温水を水道配管
の給水圧によってノズルへ供給する場合と、ポンプによ
って供給する場合とがある。2. Description of the Related Art As a device for washing the human buttocks with warm water,
There is a system in which hot water in a hot water tank is supplied to a cleaning nozzle. In this case, the hot water in the hot water tank may be supplied to the nozzle by the water supply pressure of the water pipe or may be supplied by the pump.
【０００３】この温水タンクにはヒータ及びサーミスタ
等の温度センサが設けられており、該センサで検出され
るタンク内の水温が所定温度となるように該ヒータへの
通電が制御される。The hot water tank is provided with a temperature sensor such as a heater and a thermistor, and energization of the heater is controlled so that the water temperature in the tank detected by the sensor reaches a predetermined temperature.
【０００４】[0004]
【発明が解決しようとする課題】例えば、温水タンクか
らノズルへ給湯する配管から漏水が生じたりした場合に
は、温水タンク内へ継続して新鮮な水道水（低温水）が
流入するようになり、いくらヒータへ連続的に通電して
もタンク内の水温が目標温度に到達しないおそれがあ
る。For example, when water leaks from a pipe for supplying hot water from a hot water tank to a nozzle, fresh tap water (low temperature water) continuously flows into the hot water tank. However, no matter how much the heater is continuously energized, the water temperature in the tank may not reach the target temperature.
【０００５】[0005]
【課題を解決するための手段】請求項１の温水タンクの
制御方法は、温水を洗浄ノズルに供給するための温水洗
浄装置における温水タンクのヒータへの通電を制御する
方法であって、洗浄ノズルへの流出水総量と、温水タン
クへの流入水温と、温水タンクからの流出水温とから新
たな流入水を目標温度にまで加温するのに必要なヒータ
通電電力量を演算し、洗浄ノズルへの給湯開始時点から
のヒータへの通電電力量を積算し、積算された電力量が
演算された電力量を所定以上上回る場合に該ヒータへの
通電を停止することを特徴とするものである。According to a first aspect of the present invention, there is provided a method for controlling a hot water tank, which is a method for controlling energization of a heater of a hot water tank in a hot water washing device for supplying hot water to the washing nozzle. To the cleaning nozzle from the total amount of outflow water to the hot water tank, the inflow water temperature to the hot water tank, and the outflow water temperature from the hot water tank to calculate the heater energization power required to heat the new inflow water to the target temperature. The power supply to the heater from the start of hot water supply is integrated, and the power supply to the heater is stopped when the integrated power exceeds the calculated power by a predetermined amount or more.
【０００６】請求項２の温水タンクの制御方法は、請求
項１において、前記洗浄ノズルへの流出水総量を、前記
温水洗浄装置に設けられた洗浄強さ調節スイッチのスイ
ッチ信号に基づく流量と、該温水洗浄装置の洗浄スイッ
チの操作信号に基づく流出時間とから演算することを特
徴とするものである。According to a second aspect of the present invention, there is provided a hot water tank control method according to the first aspect, wherein the total amount of water flowing out to the washing nozzle is a flow rate based on a switch signal of a washing strength adjusting switch provided in the hot water washing device. It is characterized in that it is calculated from the outflow time based on the operation signal of the cleaning switch of the hot water cleaning device.
【０００７】請求項３の温水タンクの制御方法は、請求
項１において、前記ヒータへの通電を停止するに際し、
併せて警報を発生させることを特徴とするものである。According to a third aspect of the present invention, in the hot water tank control method according to the first aspect, when the energization of the heater is stopped,
It is also characterized in that an alarm is also issued.
【０００８】[0008]
【作用】請求項１〜３の温水タンクの制御方法におい
て、新たにタンク内に供給された水量を目標温度に加熱
するためのヒータ通電電力量がこのタンク内への導入総
量と、流入水温及び目標水温とから演算される。In the hot water tank control method according to any one of claims 1 to 3, the heater energization electric power for heating the amount of water newly supplied to the tank to the target temperature is the total amount of introduction into the tank, the inflow water temperature and the Calculated from the target water temperature.
【０００９】実際のヒータへの通電電力量がこの演算値
よりも所定以上大きくなる場合には、温水タンクからの
水の継続的な流出が生じているおそれがあるから、ヒー
タへの通電を停止する。When the actual amount of electric power supplied to the heater exceeds the calculated value by a predetermined amount or more, there is a possibility that continuous outflow of water from the hot water tank may occur, so that the power supply to the heater is stopped. To do.
【００１０】請求項２の温水タンクの制御方法において
は、洗浄強さ調節スイッチと洗浄スイッチとの信号か
ら、温水タンクへの導入水総量が演算される。従って、
流量センサが不要になる。In the hot water tank control method according to the second aspect of the present invention, the total amount of water introduced into the hot water tank is calculated from the signals from the cleaning strength adjustment switch and the cleaning switch. Therefore,
Eliminates the need for a flow sensor.
【００１１】請求項３の温水タンクの制御方法による
と、ヒータ通電停止と併せて警報が発生されるため、使
用者が温水洗浄装置の故障を知ることができる。According to the hot water tank control method of the third aspect of the present invention, since the alarm is generated together with the heater energization stop, the user can know the failure of the hot water cleaning device.
【００１２】[0012]
【実施例】以下図面を参照して実施例について説明す
る。第１図は実施例方法が適用された温水洗浄装置のブ
ロック図、第２図は温水タンク内における水温の変化を
示すグラフ、第３図は実施例方法を説明する概略的なフ
ローチャートである。Embodiments will be described below with reference to the drawings. FIG. 1 is a block diagram of a hot water cleaning apparatus to which the method of the embodiment is applied, FIG. 2 is a graph showing a change in water temperature in a hot water tank, and FIG. 3 is a schematic flowchart for explaining the method of the embodiment.
【００１３】第１図において、水道水が給水配管１０と
センサ設置室１２を介して温水タンク１６に導入され
る。センサ設置室１２内には給水温度センサ１４が設置
され、該温水タンク１６内に流入する水道水の温度を検
出している。温水タンク１６は、内部の温水の温度を検
出するためのサーミスタ１８と、水を加熱するためのヒ
ータ２０とを備えている。In FIG. 1, tap water is introduced into a hot water tank 16 via a water supply pipe 10 and a sensor installation chamber 12. A water supply temperature sensor 14 is installed in the sensor installation chamber 12 and detects the temperature of tap water flowing into the hot water tank 16. The hot water tank 16 includes a thermistor 18 for detecting the temperature of the hot water inside and a heater 20 for heating the water.
【００１４】この温水タンク１６内の温水は、ポンプ２
２、電磁弁２４を有する配管２６を介して洗浄ノズル２
８に供給される。洗浄ノズル２８は、シリンダ２８ａ
と、該シリンダ２８ａの先端側から突出自在なノズル本
体２８ｂとを備えており、配管２６から温水が供給され
ると、ノズル本体２８ｂが前進し、その先端から温水が
上方に噴出されるよう構成されている。The hot water in the hot water tank 16 is supplied to the pump 2
2. Cleaning nozzle 2 through piping 26 having solenoid valve 24
8 is supplied. The cleaning nozzle 28 is a cylinder 28a.
And a nozzle body 28b that is capable of protruding from the tip side of the cylinder 28a. When hot water is supplied from the pipe 26, the nozzle body 28b moves forward and hot water is jetted upward from the tip. Has been done.
【００１５】前記給水温度センサ１４及びサーミスタ１
８の検出信号は制御装置３０に入力されており、サーミ
スタ１８で検出される水温が目標水温となるようにヒー
タ２０への通電が行なわれる。The feed water temperature sensor 14 and the thermistor 1
The detection signal of No. 8 is input to the control device 30, and the heater 20 is energized so that the water temperature detected by the thermistor 18 becomes the target water temperature.
【００１６】この温水洗浄装置のスイッチパネル（この
スイッチパネルは、例えば洋風便器の後部上面に設置さ
れた便座ボックスに設置されたり、或いはリモートコン
トローラに設置される。）には、洗浄スイッチ３２、洗
浄強さ調節スイッチ３４、水温調節スイッチ３６が設け
られている。洗浄スイッチ３２を押すと、ポンプ２２が
作動されると共に電磁弁２４が開弁され、温水タンク１
６内の温水が洗浄ノズル２８に供給される。なお、洗浄
スイッチ３２を押し、スイッチ３４，３６を操作しない
場合には、洗浄強さ及び水温はいずれも中のままとされ
る。洗浄スイッチ３２をもう１回押すと、該スイッチが
ＯＦＦとなり、ポンプ２２が停止されると共に電磁弁２
４が閉弁され、洗浄ノズル２８からの温水の噴出が停止
される。洗浄強さ調節スイッチ３４には３個のスイッチ
片３４ａ，３４ｂ，３４ｃが設けられており、洗浄強さ
を３段階にわたって選択できるようになっている。ま
た、水温調節スイッチ３６にも３個のスイッチ片３６
ａ，３６ｂ，３６ｃが設けられており、水温を３段階に
わたって調節できるように構成されている。なお、洗浄
強さ及び水温は３段階以上の多段階にわたって切り替え
られるよう構成されても良い。On the switch panel of this hot water cleaning device (this switch panel is installed, for example, in a toilet seat box installed on the rear upper surface of a Western-style toilet or in a remote controller), a cleaning switch 32 and a cleaning switch are installed. A strength adjustment switch 34 and a water temperature adjustment switch 36 are provided. When the washing switch 32 is pressed, the pump 22 is operated and the solenoid valve 24 is opened, so that the hot water tank 1
The warm water in 6 is supplied to the cleaning nozzle 28. When the cleaning switch 32 is pressed and the switches 34 and 36 are not operated, the cleaning strength and the water temperature are both kept inside. When the washing switch 32 is pressed again, the switch is turned off, the pump 22 is stopped, and the solenoid valve 2
4 is closed and the ejection of warm water from the washing nozzle 28 is stopped. The cleaning strength adjustment switch 34 is provided with three switch pieces 34a, 34b, 34c, and the cleaning strength can be selected in three steps. In addition, the water temperature control switch 36 also has three switch pieces 36.
a, 36b, 36c are provided, and the water temperature can be adjusted in three stages. The cleaning strength and the water temperature may be switched in multiple stages of three or more stages.
【００１７】第２図に示される通り、洗浄スイッチ３２
がＯＮとされると、温水タンク１６内の温水が洗浄ノズ
ル２８に供給され、これと入れ替わりに水道水が配管１
０から温水タンク１６内に導入される。これにより、温
水タンク１６内の水温は徐々に低下する。この水温低下
に伴って、ヒータ２０に通電が行なわれる。やがて、洗
浄スイッチ３２がＯＦＦとされることにより、温水タン
ク１６内の水温が徐々に上昇し、再び目標水温にまで回
復する。As shown in FIG. 2, the wash switch 32.
When is turned on, the hot water in the hot water tank 16 is supplied to the washing nozzle 28, and in lieu of this, tap water is supplied to the pipe 1.
It is introduced into the hot water tank 16 from 0. As a result, the water temperature in the hot water tank 16 gradually decreases. As the water temperature decreases, the heater 20 is energized. Eventually, the washing switch 32 is turned off, so that the water temperature in the hot water tank 16 gradually rises and is restored to the target water temperature again.
【００１８】本実施例方法においては、第３図に示され
るように、洗浄スイッチ３２のＯＮからＯＦＦの間の時
間と洗浄強さとによってこの温水タンク１６内への流入
水量を演算すると共に、水温調節スイッチ３６で選択さ
れた目標水温と、給水温度センサ１４で検出される温水
タンク１６内への流入水温との差に基づいて、ヒータ２
０に通電すべき電力量Ｑ1 を演算する。このＱ1 は、温
水タンク１６内に新たに導入された水道水を目標水温に
まで高めるのに必要な電力量である。In the method of the present embodiment, as shown in FIG. 3, the amount of water flowing into the hot water tank 16 is calculated based on the time between the ON and OFF states of the cleaning switch 32 and the cleaning strength, and the water temperature is calculated. Based on the difference between the target water temperature selected by the adjustment switch 36 and the inflow water temperature into the hot water tank 16 detected by the feed water temperature sensor 14, the heater 2
The amount of electric power Q 1 to be applied to 0 is calculated. This Q 1 is the amount of electric power required to raise the tap water newly introduced into the hot water tank 16 to the target water temperature.
【００１９】また、本実施例方法では、ヒータ２０に実
際に通電した電流、電圧及び通電時間から通電電力量を
演算すると共に、これに所定の係数αをかけ、対比すべ
き電力量Ｑ2 を演算している。そして、Ｑ1 とＱ2 とを
比較し、Ｑ2 がＱ1 以上となった場合にヒータ２０への
通電を停止すると共に、警報を出力する。なお、警報を
出力するには、各スイッチ３２，３４，３６に付属して
設けられた表示ランプ（図示略）を一斉に点滅させる方
法や、別途設置されたブザー等によって音声警報信号を
出力する等の適宜の方法を採用できる。Further, in the method of the present embodiment, the amount of electric power to be supplied is calculated from the current, voltage, and the time during which the heater 20 is actually supplied, and this is multiplied by a predetermined coefficient α to obtain the amount of electric power Q 2 to be compared. I am calculating. Then, Q 1 and Q 2 are compared, and when Q 2 becomes equal to or greater than Q 1 , the heater 20 is de-energized and an alarm is output. In order to output the alarm, a method of blinking the indicator lamps (not shown) attached to the switches 32, 34 and 36 all together, or outputting a voice alarm signal by a buzzer or the like installed separately. An appropriate method such as the above can be adopted.
【００２０】このように、通電すべき電力量を所定以上
上回るようにヒータ２０に通電が行なわれるとヒータ２
０への通電が自動的に停止されるため、例えば電磁弁２
４が故障して連続的に水が流出した場合に、ヒータ２０
が通電し放しになることが防止される。また、本実施例
ではこのヒータ通電停止と共に警報を出力しているの
で、使用者が装置に何らかの故障が生じたことを認識す
ることができる。In this way, when the heater 20 is energized so that the amount of power to be energized exceeds a predetermined amount, the heater 2
For example, the solenoid valve 2
When the heater 4 fails and water continuously flows out, the heater 20
Is prevented from being energized and released. Further, in the present embodiment, since the alarm is output together with the heater energization stop, the user can recognize that some trouble has occurred in the device.
【００２１】本発明において、前記の安全係数αは１．
２〜２．０とりわけ１．３〜１．８の間で選択するのが
好適である。In the present invention, the safety factor α is 1.
2 to 2.0, in particular 1.3 to 1.8, is preferred.
【００２２】上記実施例では、洗浄強さ調節スイッチ３
４の選択スイッチ信号によりタンク１６内への流入水量
（単位時間当りの流量）を求めるようにしているが、配
管１０に流量センサを設けることによって単位時間当り
の流入水量を求めても良い。また、この流量センサの検
出信号を時間で積分することによって温水タンク１６内
への流入水量を実測するようにしても良い。In the above embodiment, the cleaning strength adjusting switch 3
Although the inflow water amount into the tank 16 (flow rate per unit time) is obtained by the selection switch signal of No. 4, the inflow water amount per unit time may be obtained by providing a flow rate sensor in the pipe 10. Also, the amount of water flowing into the warm water tank 16 may be measured by integrating the detection signal of this flow sensor over time.
【００２３】上記実施例ではポンプ２２によって温水を
洗浄ノズル２８に供給するようにしているが、水道水圧
によってタンク１６内の温水を洗浄ノズル２８に供給す
る場合にあっても本発明を適用できることは明らかであ
る。In the above embodiment, the hot water is supplied to the cleaning nozzle 28 by the pump 22, but the present invention can be applied even when the hot water in the tank 16 is supplied to the cleaning nozzle 28 by tap water pressure. it is obvious.
【００２４】[0024]
【発明の効果】以上の通り、請求項１〜３の温水タンク
の制御方法によると、温水タンクから水が継続的に流出
する等の故障が生じた場合に、該温水タンクのヒータへ
の通電が自動的に停止されるため、ヒータが通電し放し
になることが防止される。As described above, according to the hot water tank control method of claims 1 to 3, when a failure such as continuous outflow of water from the hot water tank occurs, the heater of the hot water tank is energized. Is automatically stopped, so that the heater is prevented from being energized and released.
【００２５】請求項２の方法によると、流量センサを用
いることなくタンクへの流入水量を求めることができ、
装置構成が簡易となる。According to the method of claim 2, the amount of water flowing into the tank can be obtained without using a flow sensor,
The device configuration becomes simple.
【００２６】請求項３の方法によると、装置の故障を認
識することができ、早めに修理を行なうことが可能とな
る。According to the method of the third aspect, it is possible to recognize the failure of the device and to repair it early.
【図１】実施例方法を採用した温水洗浄装置のブロック
図である。FIG. 1 is a block diagram of a hot water cleaning apparatus that employs an embodiment method.
【図２】実施例における温水タンク内の水温の変化を示
すグラフである。FIG. 2 is a graph showing changes in water temperature in a hot water tank in an example.
【図３】実施例方法を説明する概略的なフローチャート
でる。FIG. 3 is a schematic flow chart illustrating an example method.
１４ 給水温度センサ １６ 温水タンク １８ サーミスタ ２０ ヒータ ２２ ポンプ ２４ 電磁弁 ２８ 洗浄ノズル ３０ 制御装置 ３２ 洗浄スイッチ ３４ 洗浄強さ調節スイッチ ３６ 水温調節スイッチ 14 Water Supply Temperature Sensor 16 Hot Water Tank 18 Thermistor 20 Heater 22 Pump 24 Solenoid Valve 28 Cleaning Nozzle 30 Control Device 32 Cleaning Switch 34 Cleaning Strength Adjustment Switch 36 Water Temperature Adjustment Switch
Claims (3)
洗浄装置における温水タンクのヒータへの通電を制御す
る方法であって、 洗浄ノズルへの流出水総量と、温水タンクへの流入水温
と、温水タンクからの流出水温とから新たな流入水を目
標温度にまで加温するのに必要なヒータ通電電力量を演
算し、 洗浄ノズルへの給湯開始時点からのヒータへの通電電力
量を積算し、 積算された電力量が演算された電力量を所定以上上回る
場合に該ヒータへの通電を停止することを特徴とする温
水タンクの制御方法。1. A method for controlling energization of a heater of a hot water tank in a hot water washing device for supplying hot water to a washing nozzle, comprising: total outflow water to the washing nozzle; and inflow water temperature to the hot water tank. The heater energization power required to heat the new inflow water to the target temperature is calculated from the outflow water temperature from the hot water tank, and the energization power to the heater from the start of hot water supply to the cleaning nozzle is integrated. A method for controlling a hot water tank, wherein energization of the heater is stopped when the integrated electric energy exceeds a calculated electric energy by a predetermined amount or more.
流出水総量を、前記温水洗浄装置に設けられた洗浄強さ
調節スイッチのスイッチ信号に基づく流量と、該温水洗
浄装置の洗浄スイッチの操作信号に基づく流出時間とか
ら演算することを特徴とする温水タンクの制御方法。2. The total amount of water flowing out to the washing nozzle according to claim 1, and a flow rate based on a switch signal of a washing strength adjusting switch provided in the hot water washing apparatus, and an operation of a washing switch of the hot water washing apparatus. A method of controlling a hot water tank, which is calculated from an outflow time based on a signal.
を停止するに際し、併せて警報を発生させることを特徴
とする温水タンクの制御方法。3. The method of controlling a hot water tank according to claim 1, wherein an alarm is also issued when the energization of the heater is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16391494A JP3324283B2 (en) | 1994-07-15 | 1994-07-15 | How to control the hot water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16391494A JP3324283B2 (en) | 1994-07-15 | 1994-07-15 | How to control the hot water tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0827871A true JPH0827871A (en) | 1996-01-30 |
| JP3324283B2 JP3324283B2 (en) | 2002-09-17 |
Family
ID=15783231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16391494A Expired - Fee Related JP3324283B2 (en) | 1994-07-15 | 1994-07-15 | How to control the hot water tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3324283B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107430A (en) * | 1999-10-12 | 2001-04-17 | Toto Ltd | Heating controller for sanitary washing apparatus |
| JP2004003372A (en) * | 2003-08-22 | 2004-01-08 | Matsushita Electric Ind Co Ltd | Bidet |
| US7886373B2 (en) | 2006-05-03 | 2011-02-15 | Novita Co., Ltd. | Method of controlling temperature of warm water of bidet |
| JP2011032771A (en) * | 2009-08-04 | 2011-02-17 | Inax Corp | Hot water delivery device |
| JP2018000349A (en) * | 2016-06-29 | 2018-01-11 | アイシン精機株式会社 | Toilet seat device |
-
1994
- 1994-07-15 JP JP16391494A patent/JP3324283B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107430A (en) * | 1999-10-12 | 2001-04-17 | Toto Ltd | Heating controller for sanitary washing apparatus |
| JP2004003372A (en) * | 2003-08-22 | 2004-01-08 | Matsushita Electric Ind Co Ltd | Bidet |
| US7886373B2 (en) | 2006-05-03 | 2011-02-15 | Novita Co., Ltd. | Method of controlling temperature of warm water of bidet |
| JP2011032771A (en) * | 2009-08-04 | 2011-02-17 | Inax Corp | Hot water delivery device |
| JP2018000349A (en) * | 2016-06-29 | 2018-01-11 | アイシン精機株式会社 | Toilet seat device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3324283B2 (en) | 2002-09-17 |
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