JPH07103598B2 - Sanitary washing equipment - Google Patents
Sanitary washing equipmentInfo
- Publication number
- JPH07103598B2 JPH07103598B2 JP4713487A JP4713487A JPH07103598B2 JP H07103598 B2 JPH07103598 B2 JP H07103598B2 JP 4713487 A JP4713487 A JP 4713487A JP 4713487 A JP4713487 A JP 4713487A JP H07103598 B2 JPH07103598 B2 JP H07103598B2
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- water
- control valve
- rate control
- washing water
- 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
Landscapes
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、人体局部を洗浄する衛生洗浄装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sanitary washing device for washing a human body part.
従来の技術 従来の衛生洗浄装置を第６図に示す。水道管に接続した
止水栓６を開くことによって供給される洗浄水の圧力
を、流量調節弁５によって減圧し、適正な流量を得てい
る。流量調節弁５は手動式のニードルバルブで構成され
ており、一次水圧から二次水圧への帰還は特にかけてい
ない。この様にして得た、適正な流量の洗浄水を温水タ
ンク２の中で温水ヒータ３により加熱したのちに洗浄ノ
ズル１より噴出する様な構成となっていた。2. Description of the Related Art A conventional sanitary washing device is shown in FIG. The pressure of the wash water supplied by opening the water stopcock 6 connected to the water pipe is reduced by the flow rate control valve 5 to obtain an appropriate flow rate. The flow rate control valve 5 is composed of a manual needle valve, and no return is made from the primary water pressure to the secondary water pressure. The cleaning water having an appropriate flow rate thus obtained is heated in the warm water tank 2 by the warm water heater 3 and then ejected from the cleaning nozzle 1.
発明が解決しようとする問題点 ところで、水道の圧力は場所や時間によっては1kg/cm2
〜8kg/cm2ほどばらつくため、流量調節弁に帰還制御を
かけないと、ニードルバルブの操作が非常にわずらわし
いばかりでなく、一次側の急激な圧力変動に対して二次
側にも急激な圧力変動が発生した。Problems to be Solved by the Invention By the way, the water pressure is 1 kg / cm 2 depending on the place and time.
As the flow rate control valve does not have feedback control, the needle valve operation is very troublesome because it fluctuates up to 8 kg / cm 2 , and sudden pressure fluctuations occur on the secondary side as well as sudden pressure fluctuations on the primary side. Fluctuations have occurred.
ところが、流量調節弁は、非使用時も常に一次水圧に面
しており、水撃作用等の機械的ストレスや、トレイ内の
腐食性ガス等による化学的ストレス、ブッシュの摩耗等
による経時劣化など、非常に故障する要素の多い部品で
あった。However, the flow rate control valve always faces the primary water pressure even when it is not used, and mechanical stress such as water hammer action, chemical stress due to corrosive gas in the tray, deterioration over time due to bush wear, etc. It was a part with many elements that failed very much.
もしもこの流量調節弁がニードルバルブであったなら
ば、使用者が手によって操作するため、故障している場
合、操作力の変化となって異常と気づくことができる。If the flow rate control valve is a needle valve, the user operates it by hand. Therefore, if the flow rate control valve is out of order, it can be recognized as an abnormality because of a change in operation force.
しかし流量制御弁に帰還制御をかける場合、流量制御弁
にアクチュエータを用いるので、故障した場合使用者が
知らずに異常制御をする可能性がある、という問題があ
った。However, when feedback control is applied to the flow rate control valve, an actuator is used for the flow rate control valve, and thus there is a problem that the user may perform abnormal control without being aware of it in case of failure.
本発明は上述した問題を解決するものであり、簡単な構
成でシステム立ち上げ時に流量調節弁の故障をチェック
することのできる実用上きわめてすぐれた衛生洗浄装置
を提供するものである。The present invention solves the above-mentioned problems, and provides a sanitary washing device that is extremely excellent in practical use and has a simple structure and is capable of checking the flow control valve for malfunctions when the system is started up.
問題点を解決するための手段 上記問題を解決するために、本発明における衛生洗浄装
置は、人体局部を洗浄する洗浄水噴出手段と、前記洗浄
水を加熱する洗浄水加熱手段と、前記洗浄水を供給する
洗浄水付勢手段と、前記洗浄水の流量を制御する流量制
御手段とを有し、システムの立ち上げ時に前記洗浄水付
勢手段より洗浄水を供給しない状態で、前記流量調節手
段の全閉から全開までの時間、及び全開から全閉までの
時間を測定し、それぞれの範囲が所定の範囲からはずれ
ている場合に前記流量制御手段に異常があると判断して
異常処理を行なう構成とした。Means for Solving the Problems In order to solve the above problems, the sanitary washing device according to the present invention is a washing water jetting means for washing a human body part, a washing water heating means for heating the washing water, and the washing water. And a flow rate control means for controlling the flow rate of the wash water, the flow rate adjusting means being in a state in which the wash water is not supplied from the wash water urging means at the time of starting the system. The time from full close to full open and the time from full open to full close are measured, and if the respective ranges deviate from a predetermined range, it is determined that there is an abnormality in the flow rate control means and abnormal processing is performed. It was configured.
作用 まず止水弁を止じた状態で流量調節弁を全閉の状態から
全開の状態に動作させ、それに要する時間を測る。同様
に全開から全閉までの時間も測る。もし、流量調節弁の
可動部が、水撃作用による変形や、腐食による固着など
によって、スムーズな開閉が損なわれた場合、操作力は
通常よりも重くなり、開閉にも時間がかかり、また、ブ
ッシュ等の摩耗などがおこると、操作力は軽くなり開閉
の時間はみじかくなる。Action First, the flow control valve is operated from the fully closed state to the fully opened state with the water shutoff valve stopped, and the time required for this is measured. Similarly, measure the time from fully open to fully closed. If the movable part of the flow rate control valve is deformed by water hammer or stuck due to corrosion, smooth opening and closing is impaired, the operating force will be heavier than usual and it will take time to open and close. If the bushes wear, the operating force will become light and the opening and closing time will become uncomfortable.
従って前述の測定時間が所定の範囲からはずれたときに
異常処理を行なう様にしておけば、流量調節弁の故障を
システムの立ち上げ時に検出して異常処理することが出
来る。Therefore, if the abnormality processing is performed when the above-mentioned measurement time is out of the predetermined range, it is possible to detect the failure of the flow rate control valve when the system is started up and perform the abnormality processing.
実施例 本発明の一実施例を第１図及び第２図に示す。Embodiment An embodiment of the present invention is shown in FIGS. 1 and 2.
第１図に示すごとく、本発明の衛生洗浄装置、水道管18
より止水栓６を介して供給される洗浄水を、流量調節弁
５によって減圧し、その二次側の流量を流量センサ４で
流量制御部７に取り込むことによって、流量制御弁５に
流量負帰還制御をかけている。そして、得られた定流量
の洗浄水を、温水タンク２の中の温水ヒータ３によって
適温に加熱し洗浄ノズル１より人体の被洗浄部に噴出す
る構成となっている。As shown in FIG. 1, the sanitary washing device and water pipe 18 of the present invention
The wash water supplied through the water stopcock 6 is decompressed by the flow rate control valve 5, and the flow rate on the secondary side is taken into the flow rate control unit 7 by the flow rate sensor 4, so that the flow rate control valve 5 has a negative flow rate. Feedback control is applied. Then, the cleaning water having a constant flow rate obtained is heated to an appropriate temperature by the warm water heater 3 in the warm water tank 2 and ejected from the cleaning nozzle 1 to the portion to be cleaned of the human body.
この流量制御システムは、第２図に示す様に、マイコン
８と、操作部11と、流量センサ12と、流量調節弁の全
開、及び全開リミットスイッチ９、10とモータ駆動用IC
15と、D/A変換器13と増幅器14と流量調節弁駆動用モー
タ16（以下、弁モータと略す）と、止水弁用ソレソイド
17とからなっている。As shown in FIG. 2, this flow rate control system includes a microcomputer 8, an operation unit 11, a flow rate sensor 12, a flow rate control valve fully open, and fully open limit switches 9 and 10 and a motor drive IC.
15, D / A converter 13, amplifier 14, flow control valve drive motor 16 (hereinafter abbreviated as valve motor), water shutoff valve solenoid
It consists of 17.
マイコンは、第４図に示すごとく流量センサ12より入力
した流量検出値と操作部11より入力した信号を比較し、
同じであれば、何もせず、流量検出値が大きければ、弁
モータ16を閉じる方向へ回転させ、流量設定値が大きけ
れば弁モータ16を開く方向へ回転させる。流量設定値と
流量検出値の差は、流量調節弁５一次側の水圧変動によ
り、瞬時的に大きく変化することがあり、前述の流量差
から、マイコンが弁モータ16の駆動電圧を計算し、デジ
タル信号として出力したものをD/A変換器13でアナログ
電圧に変換し、増幅器14でアンプすることによって、モ
ータ制御用IC15へ弁モータ16駆動電圧として入力してい
る。The microcomputer compares the flow rate detection value input from the flow rate sensor 12 with the signal input from the operation unit 11 as shown in FIG.
If they are the same, nothing is done, and if the flow rate detection value is large, the valve motor 16 is rotated in the closing direction, and if the flow rate setting value is large, the valve motor 16 is rotated in the opening direction. The difference between the flow rate setting value and the flow rate detection value may change greatly instantaneously due to water pressure fluctuations on the primary side of the flow rate control valve 5, and the microcomputer calculates the drive voltage of the valve motor 16 from the above flow rate difference, The digital signal output is converted into an analog voltage by the D / A converter 13 and is amplified by the amplifier 14 to be input to the motor control IC 15 as the valve motor 16 drive voltage.
これによって、流量設定値と流量検出値の差が大きけれ
ば大きいほど、その差が小さくなる方向に弁モータが高
い速度で回ることとなり、流量調節弁５一次側に急激な
圧力変動が起っても、迅速に適正流量に到達し、安定し
た流量を得ることができる。As a result, the greater the difference between the flow rate setting value and the flow rate detection value, the faster the valve motor will rotate in the direction in which the difference decreases, causing a sudden pressure fluctuation on the primary side of the flow rate control valve 5. Also, the proper flow rate can be reached quickly and a stable flow rate can be obtained.
このシステムにおいて“発明が解決しようとする問題
点”の項で述べた理由から前述の流量制御を開始する前
に、第３図に示した様なプログラムシーケンスに基づ
く、システムのハードウェアチェックを行なうルーチン
を設けた。すなわち、システムを立ち上げて、まず流量
調節弁５を全閉にして、流量調節弁５が全閉から全開ま
でかかる時間より少しだけみじかい時間をタイマ１（第
５図の（Ｂ）でセットする。タイマ１がオーバーフロー
した時に、すでに流量調節弁が全開となっていれば、回
転トルクが軽すぎることから、ブッシュの摩耗等による
故障があったと判断して、異常処理ルーチンに入る。異
常処理ルーチンは、マイコン８を電源投入時と同じ初期
状態にリセットし、ハード故障したままで制御ルーチン
に入らない様にするものである。Before starting the above-mentioned flow rate control for the reason described in the section "Problems to be solved by the invention" in this system, a hardware check of the system is performed based on the program sequence as shown in FIG. A routine was set up. That is, the system is started up, first, the flow rate control valve 5 is fully closed, and the timer 1 ((B) in FIG. 5 sets a slightly longer time than the time taken for the flow rate control valve 5 from fully closed to fully open). If the flow rate control valve is already fully open when the timer 1 overflows, the rotational torque is too light, so it is determined that there is a failure due to wear of the bushing, and the abnormality processing routine is entered. Is for resetting the microcomputer 8 to the same initial state as when the power was turned on so that the control routine is not entered while the hardware failure remains.
タイマ１がオーバーフローしたのちすぐに、タイマ１が
オーバーフローしてから流量制御弁が全開となるまでの
時間より少しだけ長い時間をタイマ２（第５図の（Ｃ）
にセットする。タイマ２がオーバーフローしても、流量
制御弁がまだ全開となっていなければ、モータロック等
の故障があったと判断して、異常処理ルーチンへ入る。Immediately after the timer 1 overflows, a time slightly longer than the time from the overflow of the timer 1 until the flow control valve is fully opened is set to the timer 2 ((C) in FIG. 5).
Set to. Even if the timer 2 overflows, if the flow rate control valve is not fully open yet, it is determined that there is a failure such as motor lock, and the abnormality processing routine is entered.
同様に、全開から全閉の場合も、第５図に示したタイマ
３（Ｅ）、４（Ｆ）をセットしてシステムのリード故障
を検出することができる。Similarly, from full open to full close, it is possible to detect the lead failure of the system by setting the timers 3 (E) and 4 (F) shown in FIG.
発明の効果 以上の様に、本発明によれば、電源投入時に、洗浄水付
勢手段より洗浄水を供給しない状態で、流量調節弁の全
閉から全開、及び全開から全閉までの時間の上限と下限
を管理し、それぞれの値が所定の範囲からはずれている
場合に以上処理を行なうことによって、流量調節弁の機
械的な故障の他に、弁モータ、モータ駆動用IC、増幅
器、D/A変換器、などの流量調節弁の駆動系の全ての要
素にわたって故障の検出をすることができる。EFFECTS OF THE INVENTION As described above, according to the present invention, at the time of turning on the power, the time from the fully closed to the fully opened and the fully closed to the fully closed of the flow rate control valve can be obtained without supplying the cleaning water from the cleaning water urging means. By managing the upper and lower limits and performing the above processing when each value deviates from the specified range, in addition to mechanical failure of the flow control valve, valve motor, motor drive IC, amplifier, D Faults can be detected across all elements of the flow control valve drive system, such as the / A converter.
また、電源の投入時に故障の検出を行なうので、制御モ
ードに入る前に異常処理を行なうことができ、異常制御
モードとなることがない。Further, since the failure is detected when the power is turned on, the abnormality processing can be performed before the control mode is entered, and the abnormality control mode does not occur.
第１図は本発明の衛生洗浄装置の全体におけるブロック
図、第２図は本発明の衛生洗浄装置の流量制御システム
におけるブロック図、第３図（Ａ），（Ｂ）は同流量制
御システムにおけるハード故障チェックプログラムのフ
ローチャート、第４図は同流量制御システムにおける流
量制御プログラムのフローチャート、第５図は同ハード
故障チェックプログラムにおけるタイマのタイミングチ
ャート、第６図は従来の衛生洗浄装置における全体のブ
ロック図である。 １……洗浄ノズル、２……温水タンク、３……温水ヒー
タ、４……流量センサ、５……流量調節弁、６……止水
栓、７……流量制御部、８……マイコン、９……全閉リ
ミットSW、10……全開リミットSW、11……操作部、12…
…流量センサ、13……D/A変換器、14……増幅器、15…
…モータ制御用IC、16……流量調節弁駆動用モータ、17
……止水栓、18……水道管。FIG. 1 is a block diagram of the entire sanitary washing device of the present invention, FIG. 2 is a block diagram of a flow control system of the sanitary washing device of the present invention, and FIGS. 3 (A) and 3 (B) are of the same flow control system. Flow chart of hardware failure check program, FIG. 4 is a flow chart of flow rate control program in the same flow rate control system, FIG. 5 is timing chart of timer in the same hardware failure check program, and FIG. 6 is overall block of conventional sanitary washing device. It is a figure. 1 ... Washing nozzle, 2 ... Hot water tank, 3 ... Hot water heater, 4 ... Flow sensor, 5 ... Flow control valve, 6 ... Water stopcock, 7 ... Flow control unit, 8 ... Microcomputer, 9 …… Fully closed limit SW, 10 …… Fully open limit SW, 11 …… Operating section, 12…
… Flow sensor, 13 …… D / A converter, 14 …… Amplifier, 15…
… Motor control IC, 16 …… Flow control valve drive motor, 17
…… Stopcock, 18 …… Water pipe.
Claims (1)
記洗浄水を加熱する洗浄水加熱手段と、前記洗浄水を供
給する洗浄水付勢手段と、前記洗浄水の流量を制御する
流量制御手段と、該衛生洗浄装置の電源投入時に前記洗
浄水付勢手段より洗浄水を供給しない状態で、前記流量
調節弁の全閉から全開及び全開から全閉までの時間の上
限値と下限値を管理し、それぞれの値が所定の範囲から
はずれている場合に異常処理を行なう制御部とを有する
衛生洗浄装置。1. A washing water jetting means for washing a human body part, a washing water heating means for heating the washing water, a washing water energizing means for supplying the washing water, and a flow rate for controlling the flow rate of the washing water. Control means and the upper limit value and the lower limit value of the time from the fully closed to the fully opened and the fully opened to the fully closed of the flow rate control valve in a state in which the cleaning water is not supplied from the cleaning water energizing means when the sanitary washing device is powered on. The sanitary washing device having a control unit for managing the above and performing an abnormal process when each value deviates from a predetermined range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4713487A JPH07103598B2 (en) | 1987-03-02 | 1987-03-02 | Sanitary washing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4713487A JPH07103598B2 (en) | 1987-03-02 | 1987-03-02 | Sanitary washing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63217032A JPS63217032A (en) | 1988-09-09 |
| JPH07103598B2 true JPH07103598B2 (en) | 1995-11-08 |
Family
ID=12766652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4713487A Expired - Fee Related JPH07103598B2 (en) | 1987-03-02 | 1987-03-02 | Sanitary washing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07103598B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5077635B2 (en) * | 2006-09-28 | 2012-11-21 | アイシン精機株式会社 | Electric heating instantaneous water heater and control method thereof |
| JP7223292B2 (en) * | 2020-12-17 | 2023-02-16 | Toto株式会社 | sanitary washing equipment |
-
1987
- 1987-03-02 JP JP4713487A patent/JPH07103598B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63217032A (en) | 1988-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |