JP3598275B2 - Water supply - Google Patents
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- JP3598275B2 JP3598275B2 JP2001007254A JP2001007254A JP3598275B2 JP 3598275 B2 JP3598275 B2 JP 3598275B2 JP 2001007254 A JP2001007254 A JP 2001007254A JP 2001007254 A JP2001007254 A JP 2001007254A JP 3598275 B2 JP3598275 B2 JP 3598275B2
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Description
【0001】
【発明の属する技術分野】
この発明は、例えばコインの投入により水やお湯を所定時間供給するようにしたコイン式給水機、特に洗車用やペット洗浄用のコイン式給水機等に好適な給水機に関する。
【0002】
【従来の技術とその課題】
従来、スポーツレジャー施設等に設置される身体洗浄用のシャワー設備の他、洗車用やペット洗浄用のシャワー設備として、水の管理販売を無人で行えるようにしたコインシャワー等のコイン式給水機が周知である。
【0003】
例えば身体洗浄用のコイン式給水機は、給水機本体に給水開始ボタン及び給水停止ボタンが設けられるとともに、その給水機本体に、シャワーヘッド(放水器)が送水ホースにより接続されている。そして、給水機本体のコイン投入口にコインを投入すると、給水機本体内のメインバルブが開放されて給水許容状態となる。その状態で、給水開始ボタンを押すと、シャワーヘッドから水(お湯)が放出されるとともに、給水停止ボタンを押すと、止水されるように構成されている。このようなコイン式給水機は、例えば給水開始ボタン及び給水停止ボタンからの情報に基づき、給水時間(積算時間)を計測し、その給水積算時間が所定の時間に達した際に、給水機本体内のメインバルブが閉塞されて給水不可状態となり、給水ができなくなるものである。
【0004】
一方、洗車用やペット洗浄用のコイン式給水機においては、給水機本体の設置位置と、車やペットの洗浄位置との間が離れているので、仮に上記した身体洗浄用のコイン式給水機のように、給水機本体に給水開始ボタン及び停止ボタンを設置しておくと、洗浄中に放水及び止水間の切換操作を行う場合、その都度、洗浄位置から給水機本体設置位置まで移動する必要があり、操作性が悪いという問題が発生する。
【0005】
そこで、シャワーヘッドに止水コックを設けて、そのコックの操作により放水及び止水間の切換を行えるよう構成するのが望ましい。
【0006】
しかしながら、シャワーヘッドに止水コックを設けると、給水時間や給水量の制御、つまり水の管理が困難になってしまう。すなわち、上記人体洗浄用給水機と同様に、止水コックの開閉情報に基づき給水積算時間を計測し、その積算時間により給水時間を制御するように構成しようとすると、止水コックと給水機本体との間に、止水コックの開閉情報を伝達するための信号線を配設する必要があり、構造の複雑化を来し、装置の大型化及びコストの増大を招くという問題が発生する。
【0007】
また、給水機本体に、例えば流量計を設置して、給水量が所定の流量に達した時点で、メインバルブを閉塞するような制御方法も考えられる。
【0008】
しかしながら、流量計は非常に高価で、しかもそれを設置することにより、給水機本体の構造も複雑になり、上記と同様、装置の大型化及びコストの増大を招くという問題が発生する。
【0009】
この発明は、上記の問題点を解消し、シャワーヘッド等の放水器に設けられた止水コックの操作により放水及び止水を行えて、良好な操作性を得ることができる上更に、構造が簡単で装置の小型化及びコストの削減を図ることができる給水機を提供することを目的とする。
【0010】
【課題を解決するための手段】
上記目的を達成するため、この発明は、給水機本体の内部に設けられた機内管路上にメインバルブが設けられ、止水コックを有する放水器が送水ホースを介して前記機内管路に接続され、前記メインバルブが開放された状態では、前記機内管路から前記送水ホースを通って前記放水器に送給される水が、前記止水コックの開閉操作により、放出及び停止される一方、前記メインバルブが閉塞された状態では、前記機内管路が遮断されて給水が停止されるようにした給水機であって、所定の操作に基づいて、前記メインバルブを開放するメインバルブ開放手段と、前記メインバルブが開放された状態において、前記機内管路内の水が流動しているか停止しているかを検知する水流検知手段と、前記水流検知手段からの情報に基づき、水が流動している状態の積算時間(給水積算時間)を計測する給水積算時間計測手段と、前記給水積算時間計測手段からの情報に基づき、前記給水積算時間が、予め設定された所定の給水時間に達した際に、前記メインバルブを閉塞する給水時メインバルブ閉塞手段とを備えるものを要旨としている。
【0011】
この発明の給水機においては、シャワーヘッド等の放水器に設けた止水コックの開閉により、放水及び止水間の切換操作を行うものであるため、使用者は、放水器の位置、つまり手元で放水及び止水間の切換を行うことができ、良好な操作性を得ることができる。
【0012】
また給水機本体に設けたフロースイッチ等の水流検知手段からの情報に基づき、水が流動している間の積算時間を計測し、その給水積算時間が所定の給水時間に達した際に、メインバルブを閉じて給水を停止させるものである。つまり、安価で簡素な構造の水流検知手段を用いるものであるため、例えば流量計等により給水量を制御する場合と違い、高価で複雑な構造の流量計を用いる必要がなく、更に止水コックと給水機本体との間に信号線等を配設する必要もないので、構造の簡素化を確実に図ることができる。
【0013】
一方、本発明においては、前記メインバルブが開放された状態において、前記水流検知手段からの情報に基づき、水の流動が停止している状態の継続時間(止水継続時間)を計測する止水継続時間計測手段と、前記止水継続時間計測手段からの情報に基づき、前記止水継続時間が、予め設定された所定の止水時間に達した際に、前記メインバルブを閉塞する止水時メインバルブ閉塞手段とを更に備える構成を採用するのが好ましい。
【0014】
すなわちこの構成を採用する場合、例えば所定の給水時間に達しないうちに洗浄等が完了して止水状態のまま放置されるようなときでも、不具合なく制御動作を終了させることができる。
【0015】
また本発明は、コインにより水の管理を行うような給水機に採用するのが望ましい。
【0016】
すなわち本発明は、前記給水機本体にコイン投入口が設けられ、そのコイン投入口からコインが投入された際に、前記メインバルブ開放手段によって、前記メインバルブが開放されるよう構成されてなるものを採用するのが望ましい。
【0017】
【発明の実施の形態】
図1はこの発明の実施形態が適用された洗車用のコイン式給水機を示す正面図、図2はその給水機の構成を示すブロック図である。両図に示すように、この給水機は、給水機本体(10)と、放水器としてのシャワーヘッド(20)と、両者(10)(20)間を接続する送水ホース(30)とを基本的な構成として備えている。
【0018】
給水機本体(10)の内部には、機内管路(11)が設けられており、その管路(11)の給水側端部が外部給水管(1)に接続されるとともに、流出側端部が送水ホース(30)の一端に接続されて、外部給水管(1)から供給される水を機内管路(11)に取り込み、その水を機内管路(11)を通じて、送水ホース(30)に送り込むことができるよう構成されている。
【0019】
給水機本体(10)における機内管路(11)上には、電磁弁等のメインバルブ(12)が設けられており、このバルブ(12)が開放された状態では、機内管路(11)の給水が許容されるとともに、閉塞された状態では、機内管路(11)が遮断されて給水が停止されるよう構成されている。
【0020】
送水ホース(30)の他端に接続されるシャワーヘッド(20)には、止水コック(21)が設けられ、操作レバー(22)を操作することにより、止水コック(21)を開閉できるように構成されている。そして、上記メインバルブ(12)が開放された状態において、操作レバー(22)を操作して止水コック(21)を開放すると、水が給水機本体(10)の機内管路(11)及び送水ホース(30)を通ってシャワーヘッド(20)内に供給され、その水が放出口(23)から放出される一方、レバー操作により止水コック(21)を閉塞すると、シャワーヘッド(20)からの放水が停止して、止水されるよう構成されている。
【0021】
なお図1に示すように、給水機本体(10)の一側面には、ホース掛止枠(50)が設けられており、同図想像線に示すように、給水機未使用時には、送水ホース(30)を巻回した状態でホース掛止枠(50)に掛止してコンパクトに収納できるように構成されている。
【0022】
図2に示すように給水機本体(10)には、その機内管路(11)上に、水流検知手段としてのフロースイッチ(13)が設けられており、機内管路(11)内の水が流動しているか停止しているかを検知し、その旨の信号(情報)が出力される。このフロースイッチ(13)は、水が流動している際には、「ON」となり、水の流動が停止している状態では、「OFF」となり、その「ON」「OFF」信号が出力されるものである。
【0023】
更に給水機本体(10)には、コイン投入口(15)及びコイン投入検知手段(16)が設けられ、コイン投入口(15)からコインが投入されると、検知手段(16)によりコインが投入されたことが検知され、その旨の信号(情報)が出力される。
【0024】
また給水機本体(10)には、制御部(40)の他に、給水積算時間計測用の第1カウンター(41)及び止水継続時間計測用の第2カウンター(42)が設けられており、制御部(40)と、上記メインバルブ(12)、フロースイッチ(13)、コイン投入検知手段(16)、カウンター(41)(42)とが信号線により接続されている。そして制御手段(40)は、フロースイッチ(13)、コイン投入検知手段(16)からの出力信号に基づき、カウンター(41)(42)及びメインバルブ(12)を制御し、以下に説明するような動作が行われる。
【0025】
まず、初期状態において、メインバルブ(12)は閉塞されており、この状態において、図3のステップS1、S2に示すように、コイン投入口(15)からコインが投入されると、メインバルブ(12)が開放されて、給水許容状態となる。
【0026】
この給水許容状態において、給水機使用者がシャワーヘッド(20)を持って、レバー操作により止水コック(21)を開放すると、シャワーヘッド(20)の放出口(23)から水が放出される。このとき、給水機本体(10)内の機内管路(11)内の水に流れが発生するので、フロースイッチ(13)が水の流れを検知して「ON」となり(ステップS3:Yes)、ステップS4において、水が流動している状態(ON状態)の積算時間(給水積算時間)が第1カウンター(41)により計測される。
【0027】
そして、その給水積算時間が予め設定された所定の給水時間を超えると(ステップS5:Yes)、ステップS6に移行して、メインバルブ(12)が閉塞されて、給水不可の状態となり動作が終了する。
【0028】
またステップS3〜S5において、所定の給水時間に到達しないうちに(ステップS5:No)、止水コック(21)が閉塞された場合、例えば洗浄途中に止水した場合には、機内管路(11)内の水の流動が停止するので、フロースイッチ(13)が「OFF」となり(ステップS3:No)、ステップS7に示すように、給水積算時間の計測が中断された後、水の流動が停止している状態(OFF状態)の継続時間(止水継続時間)が第2カウンター(42)により計測される。そしてその止水継続時間が、予め設定された所定の止水時間に到達しないうちに(ステップS8:No)、止水コック(21)が開放された場合(ステップS3:Yes)、放水が再開されて、ステップS4において、止水継続時間の計測が中止された後、給水積算時間が計測される。こうして、給水積算時間が所定の給水時間に到達すれば(ステップS5:Yes)、メインバルブ(12)が閉塞される(ステップS6)。
【0029】
一方、ステップS3、S7、S8において、止水継続時間が所定の止水時間を超えると(ステップS8:Yes)、例えば給水積算時間が所定の給水時間に満たないうちに洗浄が終了したような場合には、給水積算時間にかかわらず、メインバルブ(12)が閉塞されて(ステップS6)、動作が終了する。
【0030】
なお、ステップS7、S8における止水継続時間は、積算時間とは異なり、水の流動停止が検知された時点で、常に「0(ゼロ)」からのスタートとなる。
【0031】
以上のように、このコイン式給水機によれば、水の流れを検知するフロースイッチ(13)からの情報に基づき、水が流動している間の積算時間を計測し、その給水積算時間が所定の給水時間に達した際に、メインバルブ(12)を閉じて給水を停止させるものである。このように安価で簡素な構造のフロースイッチ(13)を用いるものであるため、例えば給水量により制御する場合と違い、高価で複雑な構造の流量計を用いる必要がなく、構造の簡素化を図ることができて、装置の小型化及びコストの削減を図ることができる。
【0032】
また、シャワーヘッド(20)に止水コック(21)を設けて、その止水コック(21)を開閉することにより、放水及び止水間の切換操作を行うようにしているため、使用者は、シャワーヘッド(20)の位置、つまり手元で放水及び止水の切換を行うことができるので、良好な操作性を得ることができる。
【0033】
更に本実施形態の給水機は、給水機本体(10)に設置したフロースイッチ(13)からの情報に基づき、給水時間を制御するものであるため、例えば止水コックの開閉情報を直接検知するものとは違い、止水コックと給水機本体の制御部との間に信号線等を配設する必要がないので、この点においても、構造の簡素化を図ることができ、一段と、装置の小型化及びコストの削減を図ることができる。
【0034】
また本実施形態の給水機は、給水積算時間が所定の給水時間に達していなくとも、止水コック(21)による止水が長時間継続している場合、給水積算時間にかかわらず、メインバルブ(12)を閉じて制御動作を終了するものであるため、例えば所定の給水時間に達しないうちに洗浄が完了して、止水状態で放置されるような場合等にも、確実に対処することができ、水の管理をより一層効率良く行うことができる。
【0035】
なお、上記実施形態においては、本発明の給水機を洗車用のコイン式給水機に適用した場合について説明したが、本発明はそれだけに限られず、水やお湯を管理しながら給水する給水機であればどのようなものにも適用することができる。
【0036】
例えば水とお湯とをミキシングしながら給水(給湯)時間を制御するようにしたペット洗浄用のコイン式給水機にも、上記と同様に適用することができる。
【0037】
【発明の効果】
以上のように、この発明の給水機によれば、シャワーヘッド等の放水器に止水コックを設けて、その止水コックの開閉により、放水及び止水間の切換操作を行うものであるため、使用者は、放水器の位置、つまり手元で放水及び止水間の切換を行うことができ、良好な操作性を得ることができる。また給水機本体に設けた水流検知手段からの情報に基づき、水が流動している間の積算時間を計測し、その給水積算時間が所定の給水時間に達した際に、メインバルブを閉じて給水を停止させるものであるため、例えば給水量により制御する場合と違い、高価で複雑な構造の流量計を用いる必要がなく、しかも止水コックと給水機本体との間に信号線等を配設する必要もないので、構造の簡素化を図ることができて、装置の小型化及びコストの削減を図ることができるという効果がある。
【0038】
また本発明においては、止水継続時間が所定の止水時間に達した際に、メインバルブを閉じよう制御する場合には、例えば所定の給水時間に達しないうちに洗浄等が完了して止水状態で放置されるような場合にも、不具合なく制御動作を終了できて、水の管理をより一層効率良く行うことができるという利点ある。
【図面の簡単な説明】
【図1】この発明の実施形態が適用された洗車用給水機を示す正面図である。
【図2】実施形態の洗車用給水機の構成を示すブロック図である。
【図3】実施形態の洗車用給水機の制御動作を説明するためのフローチャートである。
【符号の説明】
10…給水機本体
11…機内管路
12…メインバルブ
13…フロースイッチ(水流検知手段)
15…コイン投入口
20…シャワーヘッド(放水器)
21…止水コック
30…送水ホース[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coin-type water supply device that supplies water or hot water for a predetermined time by inserting a coin, for example, and particularly relates to a water supply device suitable for a coin-type water supply device for car washing or pet cleaning.
[0002]
[Prior art and its problems]
Conventionally, in addition to shower equipment for body washing installed in sports and leisure facilities, as a shower equipment for car washing and pet washing, coin-type water dispensers such as coin showers that can manage and sell water unmanned are available. It is well known.
[0003]
For example, a coin-type waterer for body washing is provided with a water supply start button and a water supply stop button on the waterer body, and a shower head (water spout) is connected to the waterer body by a water supply hose. Then, when a coin is inserted into the coin insertion slot of the water dispenser main body, the main valve in the water dispenser main body is opened, and a water supply is allowed. In this state, when the water supply start button is pressed, water (hot water) is released from the shower head, and when the water supply stop button is pressed, the water is stopped. Such a coin-type water supply device measures a water supply time (accumulated time) based on information from a water supply start button and a water supply stop button, for example, and when the accumulated water supply time reaches a predetermined time, a main body of the water supply device. The main valve inside is closed and the water supply is disabled, and water cannot be supplied.
[0004]
On the other hand, in a coin-type water dispenser for car washing or pet washing, since the installation position of the water dispenser main body is far from the washing position of the car or pet, the coin-type water dispenser for body washing described above is temporarily assumed. If the water supply start button and stop button are installed on the water supply body as shown in the above, when switching between water discharge and water stoppage during cleaning, it will be moved from the cleaning position to the water supply body installation position each time. And operability is poor.
[0005]
Therefore, it is desirable to provide a water stop cock in the shower head, and to switch between water discharge and water stop by operating the cock.
[0006]
However, if a water stop cock is provided in the shower head, it becomes difficult to control the water supply time and the water supply amount, that is, to manage the water. That is, similarly to the above-mentioned water washing machine for human body washing, if an attempt is made to measure the accumulated water supply time based on the opening / closing information of the water stop cock and to control the water supply time based on the accumulated time, the water stop cock and the water supply main unit are arranged. It is necessary to arrange a signal line for transmitting information on opening / closing of the water stop cock between them, which causes a problem that the structure becomes complicated, and the apparatus becomes large and the cost increases.
[0007]
Further, a control method is also conceivable in which, for example, a flow meter is installed in the water supply main body, and the main valve is closed when the water supply amount reaches a predetermined flow rate.
[0008]
However, the flow meter is very expensive, and the installation of the flow meter also complicates the structure of the water supply main body, causing a problem that the size of the apparatus is increased and the cost is increased as described above.
[0009]
The present invention solves the above-mentioned problems, and can perform water discharge and water stoppage by operating a water stop cock provided in a water discharger such as a shower head, so that good operability can be obtained. An object of the present invention is to provide a water supply device that is simple and can reduce the size and cost of the device.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, a main valve is provided on an in-machine pipe provided inside a water supply main body, and a water discharger having a water stop cock is connected to the in-machine pipe via a water supply hose. In the state where the main valve is open, the water supplied from the in-machine pipeline to the water discharger through the water supply hose is discharged and stopped by opening and closing the water stop cock. In a state in which the main valve is closed, a water supply device in which the internal pipe is shut off and water supply is stopped, and based on a predetermined operation, a main valve opening unit that opens the main valve, In a state where the main valve is open, water flow detecting means for detecting whether water in the in-machine pipeline is flowing or stopped, and water flows based on information from the water flow detecting means. When the integrated water supply time reaches a predetermined predetermined water supply time based on information from the integrated water supply time measuring means for measuring the integrated time (integrated water supply time) in the state where the water supply is in progress. And a main valve closing means at the time of water supply for closing the main valve.
[0011]
In the water supply device of the present invention, the switching operation between the water discharge and the water stoppage is performed by opening and closing the water stop cock provided on the water discharge device such as a shower head. Can be switched between water discharge and water stoppage, and good operability can be obtained.
[0012]
In addition, based on information from a water flow detecting means such as a flow switch provided in the main body of the water supply device, the integrated time while the water is flowing is measured, and when the integrated water supply time reaches a predetermined water supply time, the main time is measured. The water supply is stopped by closing the valve. That is, since the water flow detection means having a simple and inexpensive structure is used, it is not necessary to use a flow meter having an expensive and complicated structure, unlike the case where the water supply amount is controlled by a flow meter or the like. There is no need to arrange a signal line or the like between the water supply device and the water supply device, so that the structure can be reliably simplified.
[0013]
On the other hand, in the present invention, in the state where the main valve is open, the water stoppage that measures the duration (water stoppage duration) of the state in which the flow of water is stopped is based on information from the water flow detection means. At the time of water stoppage for closing the main valve when the water stoppage time reaches a predetermined water stoppage time based on information from the duration measurement means and the water stoppage time measurement means. It is preferable to adopt a configuration further including a main valve closing means.
[0014]
That is, when this configuration is adopted, the control operation can be ended without any trouble even when, for example, washing is completed before the predetermined water supply time has been reached and the water is stopped in the water stopped state.
[0015]
In addition, it is desirable that the present invention be adopted in a water supply device that manages water with coins.
[0016]
That is, the present invention is configured such that a coin insertion slot is provided in the water dispenser main body, and when a coin is inserted from the coin insertion slot, the main valve is opened by the main valve opening means. It is desirable to adopt.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a front view showing a coin-type water supply device for a car wash to which an embodiment of the present invention is applied, and FIG. 2 is a block diagram showing a configuration of the water supply device. As shown in both figures, the water supply device basically includes a water supply device main body (10), a shower head (20) as a water discharger, and a water supply hose (30) connecting between the two (10) and (20). It is provided as a typical configuration.
[0018]
An in-machine pipe (11) is provided inside the water supply main body (10), and a water supply side end of the pipe (11) is connected to the external water supply pipe (1) and an outflow side end. Is connected to one end of the water supply hose (30) to take in water supplied from the external water supply pipe (1) into the in-machine pipe (11), and take the water through the in-machine pipe (11). ).
[0019]
A main valve (12) such as a solenoid valve is provided on the in-machine pipe (11) of the water supply main body (10). When the valve (12) is opened, the in-machine pipe (11) is opened. Is allowed, and in the closed state, the in-machine pipeline (11) is shut off and the water supply is stopped.
[0020]
The shower head (20) connected to the other end of the water supply hose (30) is provided with a water stop cock (21), and the water stop cock (21) can be opened and closed by operating the operation lever (22). It is configured as follows. Then, when the operation lever (22) is operated and the water stop cock (21) is opened in a state where the main valve (12) is opened, water is supplied to the in-machine pipe (11) of the water supply body (10) and the water supply pipe (11). The water is supplied into the shower head (20) through the water supply hose (30), and the water is discharged from the discharge port (23). When the water stop cock (21) is closed by a lever operation, the shower head (20) is closed. It is configured so that the water discharge from the water stops and the water stops.
[0021]
As shown in FIG. 1, a hose hooking frame (50) is provided on one side surface of the water supply main body (10). As shown by an imaginary line in the figure, when the water supply is not used, a water supply hose is provided. The (30) is wound around a hose hooking frame (50) in a wound state, so that it can be stored compactly.
[0022]
As shown in FIG. 2, the water supply main body (10) is provided with a flow switch (13) as a water flow detecting means on the in-machine pipe (11), and water in the in-machine pipe (11) is provided. Is detected as if it is flowing or stopped, and a signal (information) to that effect is output. The flow switch (13) is turned “ON” when water is flowing, and is turned “OFF” when the flow of water is stopped, and the “ON” and “OFF” signals are output. Things.
[0023]
Further, a coin insertion slot (15) and a coin insertion detection means (16) are provided in the water supply body (10), and when a coin is inserted from the coin insertion slot (15), the coin is detected by the detection means (16). The insertion is detected, and a signal (information) to that effect is output.
[0024]
In addition to the control unit (40), the water supply main unit (10) is provided with a first counter (41) for measuring the integrated water supply time and a second counter (42) for measuring the continuous water stoppage time. The control unit (40) is connected to the main valve (12), the flow switch (13), the coin insertion detecting means (16), and the counters (41) and (42) by signal lines. The control means (40) controls the counters (41) and (42) and the main valve (12) based on output signals from the flow switch (13) and the coin insertion detecting means (16), as described below. Operation is performed.
[0025]
First, in the initial state, the main valve (12) is closed. In this state, when a coin is inserted from the coin insertion slot (15) as shown in steps S1 and S2 in FIG. 12) is released, and the water supply is allowed.
[0026]
In this water supply allowable state, when the user of the water supply device holds the shower head (20) and opens the water stop cock (21) by lever operation, water is discharged from the discharge port (23) of the shower head (20). . At this time, since a flow occurs in the water in the in-machine pipeline (11) in the water supply main body (10), the flow switch (13) detects the flow of the water and turns "ON" (step S3: Yes). In step S4, the integrated time (water supply integrated time) in a state where water is flowing (ON state) is measured by the first counter (41).
[0027]
If the accumulated water supply time exceeds a predetermined water supply time set in advance (step S5: Yes), the process proceeds to step S6, where the main valve (12) is closed, water supply is disabled, and the operation ends. I do.
[0028]
Further, in steps S3 to S5, if the water stop cock (21) is closed before the predetermined water supply time has been reached (step S5: No), for example, if the water is stopped during cleaning, the in-machine pipe ( Since the flow of water in 11) is stopped, the flow switch (13) is turned OFF (Step S3: No), and as shown in Step S7, after the measurement of the integrated water supply time is interrupted, the flow of water is stopped. The continuation time (water stoppage continuation time) of the state where is stopped (OFF state) is measured by the second counter (42). When the water stop cock (21) is opened (Step S3: Yes) before the water stop duration reaches the predetermined water stop time (Step S8: No), the water discharge is restarted. Then, in step S4, after the measurement of the water stoppage time is stopped, the accumulated water supply time is measured. In this way, when the cumulative water supply time reaches the predetermined water supply time (step S5: Yes), the main valve (12) is closed (step S6).
[0029]
On the other hand, in steps S3, S7, and S8, when the water stoppage time exceeds the predetermined water stoppage time (step S8: Yes), for example, the washing is completed before the integrated water supply time is less than the predetermined water supply time. In this case, the main valve (12) is closed (step S6) regardless of the accumulated water supply time, and the operation ends.
[0030]
The water stoppage duration in steps S7 and S8 is different from the integration time and always starts from “0 (zero)” when the stoppage of water flow is detected.
[0031]
As described above, according to this coin-type waterer, the integrated time during which the water is flowing is measured based on the information from the flow switch (13) for detecting the flow of the water, and the integrated water supply time is measured. When a predetermined water supply time has been reached, the main valve (12) is closed to stop water supply. Since the inexpensive and simple flow switch (13) is used in this way, unlike the case where the flow rate is controlled by water supply, for example, there is no need to use an expensive and complicated flow meter, and the structure can be simplified. As a result, the size and cost of the device can be reduced.
[0032]
Further, a water stop cock (21) is provided on the shower head (20), and the water stop cock (21) is opened and closed to perform a switching operation between water discharge and water stop. Since the water discharge and the water stoppage can be switched at the position of the shower head (20), that is, at hand, good operability can be obtained.
[0033]
Further, since the water supply device of the present embodiment controls the water supply time based on information from the flow switch (13) installed in the water supply device main body (10), for example, the opening / closing information of the water stop cock is directly detected. Unlike the one, it is not necessary to arrange a signal line or the like between the water stop cock and the control unit of the water supply unit, so in this regard, the structure can be simplified, and the device can be further improved. The size and cost can be reduced.
[0034]
In addition, even if the water supply integrated time does not reach the predetermined water supply time, if the water stoppage by the water stop cock (21) continues for a long time, the water supply device of the present embodiment has the main valve regardless of the water supply integrated time. Since the control operation is ended by closing (12), it is possible to surely cope with the case where the washing is completed before the predetermined water supply time is reached and the water is stopped in a water stopped state, for example. And water can be more efficiently managed.
[0035]
Note that, in the above embodiment, the case where the water dispenser of the present invention is applied to a coin-type water dispenser for car washing has been described. It can be applied to anything.
[0036]
For example, the present invention can be similarly applied to a pet-type coin-type water heater for controlling the time of water supply (hot water supply) while mixing water and hot water.
[0037]
【The invention's effect】
As described above, according to the water supply device of the present invention, a water stopcock is provided in a water discharger such as a shower head, and the switching operation between water discharge and water stoppage is performed by opening and closing the water stopcock. The user can switch between water discharge and water stoppage at the position of the water discharger, that is, at hand, and obtain good operability. Also, based on the information from the water flow detection means provided in the water supply main body, the integrated time while the water is flowing is measured, and when the integrated water supply time reaches a predetermined water supply time, the main valve is closed. Since water supply is stopped, it is not necessary to use a flowmeter with an expensive and complicated structure, unlike the case where control is performed based on the amount of water supply.In addition, signal lines and the like are arranged between the water stop cock and the water supply main body. Since there is no need to provide such a structure, the structure can be simplified, and the size and cost of the device can be reduced.
[0038]
Further, in the present invention, when the main valve is controlled to be closed when the water stoppage time reaches the predetermined water stoppage time, for example, the cleaning or the like is completed before the water supply time reaches the predetermined water stoppage time. Even in the case of being left in the water state, there is an advantage that the control operation can be completed without any trouble and the water can be managed more efficiently.
[Brief description of the drawings]
FIG. 1 is a front view showing a car wash water supply device to which an embodiment of the present invention is applied.
FIG. 2 is a block diagram illustrating a configuration of a car wash water supply device according to the embodiment.
FIG. 3 is a flowchart for explaining a control operation of the car wash water supply device of the embodiment.
[Explanation of symbols]
Reference numeral 10: water supply main body 11: internal line 12: main valve 13: flow switch (water flow detecting means)
15: coin slot 20: shower head (water spout)
21 ...
Claims (2)
所定の操作に基づいて、前記メインバルブを開放するメインバルブ開放手段と、
前記メインバルブが開放された状態において、前記機内管路内の水が流動しているか停止しているかを検知する水流検知手段と、
前記水流検知手段からの情報に基づき、水が流動している状態の積算時間(給水積算時間)を計測する給水積算時間計測手段と、
前記給水積算時間計測手段からの情報に基づき、前記給水積算時間が、予め設定された所定の給水時間に達した際に、前記メインバルブを閉塞する給水時メインバルブ閉塞手段と、
前記メインバルブが開放された状態において、前記水流検知手段からの情報に基づき、水の流動が停止している状態の継続時間(止水継続時間)を計測する止水継続時間計測手段と、
前記止水継続時間計測手段からの情報に基づき、前記止水継続時間が、予め設定された所定の止水時間に達した際に、前記メインバルブを閉塞する止水時メインバルブ閉塞手段とを備える給水機。In a state where a main valve is provided on an in-machine pipe provided inside the water supply main body, a water discharger having a water stopcock is connected to the in-machine pipe via a water supply hose, and the main valve is opened, While the water supplied from the pipe in the machine to the water discharger through the water supply hose is released and stopped by opening and closing the water stop cock, while the main valve is closed, the water in the machine is closed. A water supply device in which a pipe is cut off and water supply is stopped,
A main valve opening means for opening the main valve based on a predetermined operation;
In a state where the main valve is open, a water flow detecting means for detecting whether water in the in-machine pipe is flowing or stopped,
Water supply integrated time measuring means for measuring an integrated time (water supply integrated time) in a state where water is flowing, based on information from the water flow detecting means,
Based on the information from the integrated water supply time measuring means, when the integrated water supply time reaches a predetermined water supply time set in advance, water supply main valve closing means closing the main valve ,
In the state where the main valve is opened, based on information from the water flow detection means, a water stoppage time measurement means for measuring a continuous time (water stoppage time) of a state in which the flow of water is stopped;
Based on the information from the water stoppage time measuring means, when the water stoppage time reaches a predetermined water stoppage time, a water stop time main valve closing means for closing the main valve. Water supply equipped.
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