JP2003269340A - Water supplying device - Google Patents
Water supplying deviceInfo
- Publication number
- JP2003269340A JP2003269340A JP2003090133A JP2003090133A JP2003269340A JP 2003269340 A JP2003269340 A JP 2003269340A JP 2003090133 A JP2003090133 A JP 2003090133A JP 2003090133 A JP2003090133 A JP 2003090133A JP 2003269340 A JP2003269340 A JP 2003269340A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pump
- water
- inflow
- pressurizing pump
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は給水装置に係り、特
に配水管から直接加圧ポンプを介して、一旦建屋屋上等
に設置された高置水槽に揚水し、高置水槽から末端給水
機器へ給水するシステムにした、いわゆる直結型の給水
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply device, and in particular, directly pumps water from a water distribution pipe to a high water tank installed on the roof of a building or the like via a pressure pump, and then from the high water tank to a terminal water supply device. The present invention relates to a so-called direct connection type water supply device having a water supply system.
【０００２】[0002]
【従来の技術】図１（Ａ）は、直結型給水装置のシステ
ム概要を示す。例えば、水道の本管である配水管１１に
は流入管１２が接続され、量水器１５等を介して加圧ポ
ンプ１３がこの流入管に接続されている。加圧ポンプ１
３の吐出側には、建屋屋上等に設けられた高置水槽１４
を介して末端給水機器１７へと連結された連結管１８が
接続されている。連結管１８には、チェッキ弁１９、自
動開閉弁１６等が接続されている。ここでチェッキ弁１
９は、配水管１１側の圧力が低下した場合等にポンプ１
３の吐出側からの逆流を防止するための阻止弁である。
自動開閉弁１６は、ポンプ停止時に高置水槽１４側と加
圧ポンプ１３側とを分離するための弁であり、弁開閉駆
動装置２０により、その開閉が制御される。2. Description of the Related Art FIG. 1A shows a system outline of a direct connection type water supply device. For example, an inflow pipe 12 is connected to a water distribution pipe 11 which is a main water pipe, and a pressurizing pump 13 is connected to the inflow pipe via a water meter 15 or the like. Pressure pump 1
On the discharge side of 3, the high water tank 14 provided on the roof of the building, etc.
A connection pipe 18 connected to the terminal water supply device 17 is connected via the. A check valve 19, an automatic opening / closing valve 16 and the like are connected to the connecting pipe 18. Check valve 1 here
9 is the pump 1 when the pressure on the side of the water distribution pipe 11 decreases
3 is a blocking valve for preventing backflow from the discharge side of No. 3.
The automatic opening / closing valve 16 is a valve for separating the high water tank 14 side and the pressurizing pump 13 side when the pump is stopped, and the opening / closing is controlled by the valve opening / closing drive device 20.
【０００３】ポンプ１３は、三相２００Ｖの商用電源に
接続された周波数・電圧変換装置（インバータ）を備え
た電動機（可変速手段）２５により可変速で駆動され
る。制御部２２は、流入圧力検出器２１及び吐出圧力検
出器２３の信号に基づき、可変速手段２５に信号を送
り、ポンプ１３の回転数を任意の速度に加速又は減速制
御する。The pump 13 is driven at a variable speed by an electric motor (variable speed means) 25 having a frequency / voltage converter (inverter) connected to a three-phase 200V commercial power source. The control unit 22 sends a signal to the variable speed means 25 based on the signals from the inflow pressure detector 21 and the discharge pressure detector 23 to control the rotation speed of the pump 13 to an arbitrary speed.
【０００４】特開平５−１１８２８０号公報、特開平５
−２６３４４４号公報、特開平５−２４０１８６号公報
等によれば、加圧ポンプの吐出側の圧力を一定に保つこ
とにより、末端給水機器へ所定の圧力の水を常に供給で
きるようにポンプの速度を増減する技術が開示されてい
る。又、配水管に水圧の低下をきたさないように、ポン
プの流入側圧力が低下した際には、ポンプの速度を減速
する、又は停止することにより、配水管側の圧力の低下
を防止する技術等が開示されている。Japanese Unexamined Patent Publication Nos. 5-118280 and 5
According to Japanese Patent Application Laid-Open No. 263444/1993 and Japanese Patent Application Laid-Open No. 5-240186, the speed of the pump is kept constant so as to constantly supply water of a predetermined pressure to the terminal water supply equipment. A technique for increasing or decreasing the is disclosed. Further, in order to prevent the water pressure from decreasing in the water distribution pipe, when the pressure on the inflow side of the pump decreases, the speed of the pump is reduced or stopped to prevent the pressure decrease on the water distribution pipe side. Etc. are disclosed.
【０００５】係る直結型の給水装置においては、従来の
配水管に貯水槽を接続し、貯水槽に貯えられた水を加圧
ポンプを用いて末端給水機器へ分配するのと比較して、
種々のメリットがある。そのメリットは、貯水槽を設け
ないため、給水装置を全体として小型化でき、又設置面
積を小さくできる。水が貯留されないので、衛生上好ま
しい。配水管の水圧をそのまま加圧ポンプの吸込側に利
用できるため、加圧ポンプの揚程が低くなり、その分省
エネルギー化ができる等である。In such a direct connection type water supply device, as compared with a conventional water pipe connected to a water storage tank and the water stored in the water storage tank is distributed to a terminal water supply device using a pressure pump,
There are various advantages. The merit is that since the water tank is not provided, the water supply device can be downsized as a whole and the installation area can be reduced. It is preferable for hygiene because water is not stored. Since the water pressure of the water distribution pipe can be used as it is on the suction side of the pressurizing pump, the head of the pressurizing pump is lowered, and energy can be saved accordingly.
【０００６】図１（Ｂ）は、建屋屋上等に設けられた高
置水槽の概要を示す。高置水槽１４には、加圧ポンプ１
３の吐出側に連結された連結管１８の流入口１８Ａから
水槽内に水が流入する。そして、末端給水機器１７側へ
と連結された連結管１８の流出口１８Ｂから水が流出
し、末端給水機器１７へ給水される。高置水槽１４は、
電極棒等の水位検出器２４を備え、水位がポンプ運転水
位（Ｌ）、およびポンプ停止水位（Ｈ）であることを検
出する。FIG. 1B shows an outline of an elevated water tank provided on the roof of a building or the like. The elevated water tank 14 has a pressure pump 1
Water flows into the water tank from the inflow port 18A of the connecting pipe 18 connected to the discharge side of No. 3. Then, the water flows out from the outlet 18B of the connecting pipe 18 connected to the terminal water supply device 17 side, and is supplied to the terminal water supply device 17. The high water tank 14
A water level detector 24 such as an electrode rod is provided to detect that the water level is the pump operating water level (L) and the pump stop water level (H).
【０００７】すなわち、高置水槽１４内に貯留された水
が末端給水機器１７側へ供給されると、その水位は徐々
に低下する。そしてポンプ運転水位（Ｌ）に達すると、
水位検出器２４がこれを検出し、制御部２２へ信号を伝
達し、制御部２２からの指令により加圧ポンプ１３が起
動し、自動開閉弁１６が開き高置水槽１４に送水する。
すると、高置水槽１４内の水位は徐々に上昇し、高置水
槽内に水が一杯となるポンプ停止水位（Ｈ）に達する
と、水位検出器２４がこれを検出し、制御部２２に信号
を送る。そして、制御部２２はポンプ１３を停止し、ま
た自動開閉弁１６を閉止する。That is, when the water stored in the high water tank 14 is supplied to the terminal water supply device 17, the water level thereof gradually decreases. When the pump operating water level (L) is reached,
The water level detector 24 detects this, transmits a signal to the control unit 22, the pressurizing pump 13 is activated by a command from the control unit 22, and the automatic open / close valve 16 opens to send water to the high water tank 14.
Then, the water level in the elevated water tank 14 gradually rises, and when it reaches the pump stop water level (H) at which the water in the elevated water tank is full, the water level detector 24 detects this and sends a signal to the control unit 22. To send. Then, the control unit 22 stops the pump 13 and also closes the automatic opening / closing valve 16.
【０００８】係る給水方式にれば、末端給水機器１７に
は、建屋屋上等に設けられた高置水槽から給水されるの
で、常にほぼ一定の圧力で給水され、極端な水圧の上昇
あるいは低下という問題が避けられ、快適な給水が行わ
れる。According to this water supply system, the terminal water supply device 17 is supplied with water from the elevated water tank provided on the roof of the building or the like, so that the water is always supplied at a substantially constant pressure, which causes an extreme increase or decrease in water pressure. Problems are avoided and a comfortable water supply is provided.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら、従来の
直結型以前の給水装置では加圧ポンプの流入側に貯水槽
が設けられていたため、加圧ポンプの流入側はほぼ圧力
ゼロの状態に保たれ、ポンプ流入側の圧力が直結型のよ
うに上昇するということがなかった。ところが、上述し
たような直結型となると、例えば高置水槽内の水位が低
下しポンプ運転水位に達すると、ポンプが起動し自動開
閉弁が開く。その際に配水管側の圧力が高い場合には、
さらにポンプで加圧された圧力が高置水槽に接続された
連結管に加わり、連結管及びそれに接続された各種弁等
に大きな衝撃を与えることとなる。また同様に高置水槽
内の水位が上昇し、ポンプ停止水位に達したときに直ち
にポンプの運転を停止し、自動開閉弁を閉じると、同様
に連結管及びこれに接続された弁等に大きな衝撃を与え
ることとなる。However, in the conventional water supply device before the direct connection type, since the water tank was provided on the inflow side of the pressurizing pump, the inflow side of the pressurizing pump was kept at a substantially zero pressure state. However, the pressure on the pump inflow side did not rise unlike the direct connection type. However, in the case of the direct connection type as described above, for example, when the water level in the elevated water tank lowers and reaches the pump operating water level, the pump is activated and the automatic opening / closing valve is opened. At that time, if the pressure on the water pipe side is high,
Further, the pressure pressurized by the pump is applied to the connecting pipe connected to the elevated water tank, and a great impact is given to the connecting pipe and various valves connected to the connecting pipe. Similarly, when the water level in the elevated water tank rises and the pump stop level is reached, the pump operation is immediately stopped and the automatic opening / closing valve is closed. It will give a shock.
【００１０】本発明は、上述した事情に鑑みて為された
もので、高置水槽を備えた直結型給水装置において、ポ
ンプの流入圧力が変動しても安定な高置水槽への給水動
作を行うことのできる給水装置を提供することを目的と
する。The present invention has been made in view of the above-mentioned circumstances, and in a direct connection type water supply device equipped with a high water tank, a stable water supply operation to the high water tank is possible even if the inflow pressure of the pump fluctuates. It is an object to provide a water supply device that can be performed.
【００１１】[0011]
【課題を解決するための手段】上述した目的を達成する
ため、本発明の給水装置の第１の態様は、配水管に接続
された流入管と、この流入管に接続された加圧ポンプ
と、この加圧ポンプの吐出し側に接続され高置水槽に送
水する連結管と、連結管に設けられた自動開閉弁と、前
記加圧ポンプの流入圧力を検出する流入圧力検出器と、
前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
とを備え、前記高置水槽内の水位が低下すると前記自動
開閉弁が開いた後、前記加圧ポンプが起動し、前記流入
圧力検出器の検出圧力及び前記吐出圧力検出器の検出圧
力に基づいて任意の速度に制御されることを特徴とす
る。本発明の一態様によれば、前記加圧ポンプはゆっく
り起動する。In order to achieve the above-mentioned object, a first aspect of a water supply device of the present invention is an inflow pipe connected to a water distribution pipe and a pressurizing pump connected to this inflow pipe. A connecting pipe connected to the discharge side of the pressurizing pump for supplying water to the elevated water tank, an automatic opening / closing valve provided in the connecting pipe, and an inflow pressure detector for detecting the inflow pressure of the pressurizing pump,
A discharge pressure detector for detecting the discharge pressure of the pressurizing pump, and when the water level in the elevated water tank is lowered, the automatic opening / closing valve is opened, and then the pressurizing pump is activated to detect the inflow pressure. The pressure is controlled at an arbitrary speed based on the pressure detected by the container and the pressure detected by the discharge pressure detector. According to one aspect of the invention, the pressurizing pump starts slowly.
【００１２】本発明の給水装置の第２の態様は、配水管
に接続された流入管と、この流入管に接続された加圧ポ
ンプと、この加圧ポンプの吐出し側に接続され高置水槽
に送水する連結管と、連結管に設けられた自動開閉弁
と、前記加圧ポンプの流入圧力を検出する流入圧力検出
器と、前記加圧ポンプの吐出し圧力を検出する吐出圧力
検出器とを備え、前記加圧ポンプが前記流入圧力検出器
の検出圧力及び前記吐出圧力検出器の検出圧力に基づい
て任意の速度で運転され前記高置水槽内の水位が停止水
位になると、前記自動開閉弁が閉じた後、前記加圧ポン
プが停止することを特徴とする。本発明の一態様によれ
ば、前記自動開閉弁はゆっくり閉じる。A second aspect of the water supply apparatus of the present invention is an inflow pipe connected to a water distribution pipe, a pressurizing pump connected to this inflow pipe, and a high-pressure device connected to the discharge side of this pressurizing pump. A connecting pipe for feeding water to the water tank, an automatic opening / closing valve provided in the connecting pipe, an inflow pressure detector for detecting the inflow pressure of the pressurizing pump, and a discharge pressure detector for detecting the discharge pressure of the pressurizing pump. When the pressurizing pump is operated at an arbitrary speed based on the detection pressure of the inflow pressure detector and the detection pressure of the discharge pressure detector and the water level in the elevated water tank reaches a stop water level, the automatic The pressurizing pump is stopped after the on-off valve is closed. According to one aspect of the invention, the automatic on-off valve closes slowly.
【００１３】本発明の給水装置の第３の態様は、配水管
に接続された流入管に接続され可変速で駆動される加圧
ポンプを備えた給水装置であって、前記加圧ポンプの吐
出し側に設けられた自動開閉弁と、前記加圧ポンプの流
入圧力を検出する流入圧力検出器と、前記加圧ポンプの
吐出し圧力を検出する吐出圧力検出器と、前記加圧ポン
プを制御する制御部とを備え、前記制御部は、高置水槽
の運転水位信号を受けて前記自動開閉弁を開いた後、前
記加圧ポンプを起動して前記流入圧力検出器の検出圧力
及び前記吐出圧力検出器の検出圧力に基づいて任意の速
度に制御することを特徴とする。A third aspect of the water supply device of the present invention is a water supply device provided with a pressurizing pump which is connected to an inflow pipe connected to a water distribution pipe and is driven at a variable speed. Controls the automatic open / close valve provided on the opening side, an inflow pressure detector that detects the inflow pressure of the pressurizing pump, a discharge pressure detector that detects the discharge pressure of the pressurizing pump, and the pressurizing pump. The control unit receives the operating water level signal of the elevated water tank and opens the automatic opening / closing valve, and then starts the pressurizing pump to detect the pressure detected by the inflow pressure detector and the discharge. It is characterized by controlling at an arbitrary speed based on the pressure detected by the pressure detector.
【００１４】本発明の給水装置の第４の態様は、配水管
に接続された流入管に接続され可変速で駆動される加圧
ポンプを備えた給水装置であって、前記加圧ポンプの吐
出し側に設けられた自動開閉弁と、前記加圧ポンプの流
入圧力を検出する流入圧力検出器と、前記加圧ポンプの
吐出し圧力を検出する吐出圧力検出器と、前記加圧ポン
プを制御する制御部とを備え、前記制御部は、前記流入
圧力検出器の検出圧力及び前記吐出圧力検出器の検出圧
力に基づいて前記加圧ポンプを任意の速度に制御して送
水し、高置水槽の停止水位信号を受けて前記自動開閉弁
を閉じた後、前記加圧ポンプを停止することを特徴とす
る。A fourth aspect of the water supply device of the present invention is a water supply device provided with a pressurizing pump which is connected to an inflow pipe connected to a water distribution pipe and is driven at a variable speed. Controls the automatic open / close valve provided on the opening side, an inflow pressure detector that detects the inflow pressure of the pressurizing pump, a discharge pressure detector that detects the discharge pressure of the pressurizing pump, and the pressurizing pump. And a control unit for controlling the pressurizing pump at an arbitrary speed based on the detection pressure of the inflow pressure detector and the detection pressure of the discharge pressure detector to supply water, After closing the automatic opening / closing valve in response to the stop water level signal, the pressurizing pump is stopped.
【００１５】本発明の給水装置の第５の態様は、配水管
に接続された流入管に接続され可変速で駆動される加圧
ポンプを備えた給水装置であって、前記加圧ポンプの吐
出し側に設けられた自動開閉弁と、前記加圧ポンプの流
入圧力を検出する流入圧力検出器と、前記加圧ポンプの
吐出し圧力を検出する吐出圧力検出器と、前記加圧ポン
プを制御する制御部とを備え、前記制御部は、高置水槽
の運転水位信号を受けて前記自動開閉弁を開いた後、前
記加圧ポンプを前記連結管に衝撃を及ぼさない程度の時
間をかけて起動することを特徴とする。A fifth aspect of the water supply apparatus of the present invention is a water supply apparatus provided with a pressurizing pump which is connected to an inflow pipe connected to a water distribution pipe and is driven at a variable speed. Controls the automatic open / close valve provided on the opening side, an inflow pressure detector that detects the inflow pressure of the pressurizing pump, a discharge pressure detector that detects the discharge pressure of the pressurizing pump, and the pressurizing pump. And a control unit for controlling the pressure pump to open the automatic opening / closing valve in response to the operating water level signal of the elevated water tank, and then to allow the pressurizing pump not to impact the connecting pipe. It is characterized by starting.
【００１６】本発明の給水装置の第６の態様は、配水管
に接続された流入管に接続され可変速で駆動される加圧
ポンプを備えた給水装置であって、前記加圧ポンプの吐
出し側に設けられた自動開閉弁と、前記加圧ポンプの流
入圧力を検出する流入圧力検出器と、前記加圧ポンプの
吐出し圧力を検出する吐出圧力検出器と、前記加圧ポン
プを制御する制御部とを備え、前記制御部は、高置水槽
の停止水位信号を受けて前記自動開閉弁を前記連結管に
衝撃を及ぼさない程度の時間をかけて閉じた後、前記加
圧ポンプを停止することを特徴とする。A sixth aspect of the water supply apparatus of the present invention is a water supply apparatus provided with a pressurizing pump which is connected to an inflow pipe connected to a water distribution pipe and is driven at a variable speed, and the discharge of the pressurizing pump. Controls the automatic open / close valve provided on the opening side, an inflow pressure detector that detects the inflow pressure of the pressurizing pump, a discharge pressure detector that detects the discharge pressure of the pressurizing pump, and the pressurizing pump. The control unit, the control unit receives the stop water level signal of the high water tank and closes the automatic opening / closing valve for a time not to give an impact to the connecting pipe, and then the pressure pump is turned on. It is characterized by stopping.
【００１７】本発明の給水装置の制御装置の第１の態様
は、配水管に接続された流入管に接続され可変速で駆動
される加圧ポンプを備えた給水装置の制御装置であっ
て、高置水槽の運転水位信号を受けて前記加圧ポンプの
吐出側の自動開閉弁を開いた後、前記加圧ポンプを起動
して前記加圧ポンプの流入圧力及び吐出圧力に基づいて
任意の速度に制御して送水することを特徴とする。A first aspect of the control device for a water supply device of the present invention is a control device for a water supply device provided with a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, After receiving the operating water level signal of the elevated water tank and opening the automatic opening / closing valve on the discharge side of the pressurizing pump, the pressurizing pump is started to set an arbitrary speed based on the inflow pressure and the discharge pressure of the pressurizing pump. It is characterized by controlling the water supply.
【００１８】本発明の給水装置の制御装置の第２の態様
は、配水管に接続された流入管に接続され可変速で駆動
される加圧ポンプを備えた給水装置の制御装置であっ
て、前記加圧ポンプの流入圧力及び吐出圧力に基づいて
任意の速度に制御して送水し、高置水槽の停止水位信号
を受けて前記加圧ポンプの吐出側の自動開閉弁を閉じた
後、前記加圧ポンプを停止することを特徴とする。A second aspect of the control device for a water supply device of the present invention is a control device for a water supply device, which comprises a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, After controlling the flow rate at an arbitrary speed based on the inflow pressure and the discharge pressure of the pressurizing pump to supply water, and closing the automatic opening / closing valve on the discharge side of the pressurizing pump in response to the stop water level signal of the elevated water tank, It is characterized in that the pressurizing pump is stopped.
【００１９】本発明の給水装置の第７の態様は、配水管
に接続された流入管に接続され可変速で駆動される加圧
ポンプと、前記加圧ポンプの流入圧力を検出する流入圧
力検出器と、前記加圧ポンプの吐出し圧力を検出する吐
出圧力検出器と、前記制御装置とを備えたことを特徴と
する。A seventh aspect of the water supply apparatus of the present invention is a pressurizing pump which is connected to an inflow pipe connected to a water distribution pipe and is driven at a variable speed, and an inflow pressure detection for detecting an inflow pressure of the pressurizing pump. And a discharge pressure detector for detecting a discharge pressure of the pressurizing pump, and the control device.
【００２０】本発明の給水装置の制御方法の第１の態様
は、配水管に接続された流入管に接続され可変速で駆動
される加圧ポンプと、該加圧ポンプの流入圧力を検出す
る流入圧力検出器と、該加圧ポンプの吐出し圧力を検出
する吐出圧力検出器とを備えた給水装置の制御方法であ
って、高置水槽の運転水位信号を受けて前記加圧ポンプ
の吐出側に設けられた自動開閉弁を開いた後、前記加圧
ポンプを起動して前記流入圧力検出器の検出圧力及び前
記吐出圧力検出器の検出圧力に基づいて任意の速度に制
御して前記高置水槽に送水することを特徴とする。A first aspect of the method for controlling a water supply device of the present invention is to detect a pressure pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, and an inflow pressure of the pressure pump. A method for controlling a water supply device comprising an inflow pressure detector and a discharge pressure detector for detecting a discharge pressure of the pressurizing pump, the discharge of the pressurizing pump in response to an operating water level signal of a high water tank. After opening the automatic open / close valve provided on the side, the pressurizing pump is started to control the pressure to an arbitrary speed based on the pressure detected by the inflow pressure detector and the pressure detected by the discharge pressure detector to increase the high pressure. The feature is that water is sent to the storage tank.
【００２１】本発明の給水装置の制御方法の第２の態様
は、配水管に接続された流入管に接続され可変速で駆動
される加圧ポンプと、該加圧ポンプの流入圧力を検出す
る流入圧力検出器と、該加圧ポンプの吐出し圧力を検出
する吐出圧力検出器とを備えた給水装置の制御方法であ
って、前記流入圧力検出器の検出圧力及び前記吐出圧力
検出器の検出圧力に基づいて任意の速度に制御して高置
水槽に送水し、前記高置水槽の停止水位信号を受けて前
記加圧ポンプの吐出側に設けられた自動開閉弁を閉じた
後、前記加圧ポンプを停止することを特徴とする。A second aspect of the method for controlling a water supply device of the present invention is to detect a pressure pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, and an inflow pressure of the pressure pump. A control method for a water supply device comprising an inflow pressure detector and a discharge pressure detector for detecting the discharge pressure of the pressurizing pump, the detection pressure of the inflow pressure detector and the detection of the discharge pressure detector. The water is sent to the elevated water tank by controlling it at an arbitrary speed based on the pressure, and after receiving the stop water level signal of the elevated water tank, the automatic opening / closing valve provided on the discharge side of the pressurizing pump is closed, It is characterized by stopping the pressure pump.
【００２２】本発明の給水装置の好ましい態様は、配水
管に接続された流入管と、この流入管に接続された加圧
ポンプと、この加圧ポンプの吐出側に接続され高置水槽
に揚水した後、該高置水槽から末端給水機器へ給水する
連結管と、前記加圧ポンプと高置水槽を連結する連結管
の途中に設けられた自動開閉弁と、前記高置水槽内に設
けられた該水槽の水位を検出する水位検出器と、前記加
圧ポンプを制御する制御手段とを備え、該制御手段は、
前記加圧ポンプをゆっくり起動停止させる手段を備え、
前記高置水槽内の水位検出器がポンプ停止水位を検出す
るとまずポンプをゆっくり停止し、その後前記自動開閉
弁を閉じ、前記水位検出器が前記ポンプ運転水位を検出
するとまず前記自動開閉弁を開きその後前記加圧ポンプ
をゆっくり起動する。A preferred embodiment of the water supply device of the present invention is an inflow pipe connected to a water distribution pipe, a pressure pump connected to this inflow pipe, and a pumping water connected to the discharge side of this pressure pump and pumped to a high water tank. After that, a connecting pipe for supplying water from the elevated water tank to the terminal water supply device, an automatic opening / closing valve provided in the middle of the connecting pipe for connecting the pressurizing pump and the elevated water tank, and provided in the elevated water tank And a water level detector for detecting the water level of the water tank, and a control means for controlling the pressurizing pump, the control means comprising:
A means for slowly starting and stopping the pressurizing pump,
When the water level detector in the elevated water tank detects the pump stop water level, the pump is first slowly stopped, then the automatic opening / closing valve is closed, and when the water level detector detects the pump operating water level, the automatic opening / closing valve is opened first. After that, the pressure pump is slowly started.
【００２３】また、本発明の給水装置の好ましい態様
は、配水管に接続された流入管と、この流入管に接続さ
れた加圧ポンプと、この加圧ポンプの吐出側に接続され
高置水槽に揚水した後、該高置水槽から末端給水機器へ
給水する連結管と、前記加圧ポンプと高置水槽を連結す
る連結管の途中に設けられた自動開閉弁と、前記高置水
槽内に設けられた該水槽の水位を検出する水位検出器
と、前記加圧ポンプを制御する制御手段とを備え、該制
御手段は、前記自動開閉弁をゆっくり起動停止させる手
段を備え、前記高置水槽内の水位検出器がポンプ停止水
位を検出するとまず自動開閉弁をゆっくり閉止しその後
ポンプを停止させ、前記水位検出器が前記ポンプ運転水
位を検出するとまず前記ポンプを起動しその後自動開閉
弁をゆっくり開く動作を行う。In a preferred embodiment of the water supply device of the present invention, an inflow pipe connected to the water distribution pipe, a pressurizing pump connected to the inflow pipe, and a high water tank connected to the discharge side of the pressurizing pump. After being pumped up to, the connecting pipe for supplying water from the elevated water tank to the terminal water supply device, an automatic opening / closing valve provided in the middle of the connecting pipe for connecting the pressurizing pump and the elevated water tank, and in the elevated water tank. The water level detector for detecting the water level of the water tank provided, and a control means for controlling the pressurizing pump, the control means includes means for slowly starting and stopping the automatic opening / closing valve, and the high water tank. When the water level detector detects the pump stop water level, the automatic opening / closing valve is first slowly closed and then the pump is stopped.When the water level detector detects the pump operating water level, the pump is started first and then the automatic opening / closing valve is slowly opened. Opening action Do.
【００２４】[0024]
【作用】高置水槽内の水位が低下して加圧ポンプを起動
する際に、まず自動開閉弁を開きその後ポンプを起動さ
せることから、流入側圧力が上昇していても、連結管内
部の圧力が徐々に上昇することから、大きな衝撃が加え
られることが防止される。また、加圧ポンプを停止する
際に、まずポンプを停止させ、その後、自動開閉弁を閉
じることから、連結管内部の圧力が徐々に下降するの
で、同様に大きな衝撃が加えられることが防止される。[Operation] When the water level in the elevated water tank is lowered and the pressurizing pump is started, the automatic opening / closing valve is first opened and then the pump is started, so that even if the pressure on the inlet side rises, Since the pressure rises gradually, a large impact is prevented. Also, when stopping the pressurizing pump, first stop the pump and then close the automatic opening / closing valve, so that the pressure inside the connecting pipe gradually drops, so it is possible to prevent a large impact from being applied as well. It
【００２５】高置水槽内の水位が低下して加圧ポンプを
起動する際に、まずポンプを起動させその後自動開閉弁
を開くことから、流入側圧力が上昇していても、連結管
内部の圧力が徐々に上昇することから、大きな衝撃が加
えられることが防止される。また、加圧ポンプを停止す
る際に、まず自動開閉弁を閉じてその後ポンプを停止さ
せることから、連結管内部の圧力が徐々に下降するの
で、同様に大きな衝撃が加えられることが防止される。When the pressurizing pump is started by lowering the water level in the elevated water tank, the pump is first started and then the automatic open / close valve is opened. Therefore, even if the inflow side pressure is increased, Since the pressure rises gradually, a large impact is prevented. Further, when stopping the pressurizing pump, first, the automatic opening / closing valve is closed and then the pump is stopped, so that the pressure inside the connecting pipe gradually decreases, and thus it is possible to prevent a large impact similarly. .
【００２６】[0026]
【発明の実施の形態】以下、本発明の第１及び第２実施
例について添付図面を参照しながら説明する。本実施例
においても、配水管１１に加圧ポンプ１３が直結され、
一旦、建屋屋上等に設けられた高置水槽に貯水され、そ
こから末端給水機器１７に連結管１８を介して給水する
システム構成は、図１（Ａ）に示すとおりである。そし
て、高置水槽１４は、電極棒等のポンプ停止水位Ｈ及び
ポンプ運転水位Ｌを検出する水位検出器２４を備えてい
ることも同様である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The first and second embodiments of the present invention will be described below with reference to the accompanying drawings. Also in this embodiment, the pressure pump 13 is directly connected to the water distribution pipe 11,
The system configuration in which water is once stored in a high water tank provided on the roof of a building or the like and is then supplied to the terminal water supply device 17 via a connecting pipe 18 is as shown in FIG. 1 (A). The high water tank 14 is also provided with the water level detector 24 that detects the pump stop water level H and the pump operating water level L such as the electrode rod.
【００２７】そして、加圧ポンプ１３と高置水槽１４を
連結する連結管１８の途中に自動開閉弁１６が設けられ
ており、第１実施例ではこの開閉弁１６は弁開閉駆動装
置２０により開閉が瞬間的に行われる。加圧ポンプ１３
は、インバータ等の可変速手段２５により駆動され、ポ
ンプの起動時に運転速度を徐々に上昇する、加圧ポンプ
をゆっくり起動する手段を備えている。また、ポンプの
停止時にも加圧ポンプ１３の運転速度を徐々に下げ、ポ
ンプをゆっくり停止させる手段を備えている。An automatic opening / closing valve 16 is provided in the middle of a connecting pipe 18 connecting the pressurizing pump 13 and the elevated water tank 14. In the first embodiment, the opening / closing valve 16 is opened / closed by a valve opening / closing drive device 20. Is done instantaneously. Pressure pump 13
Is equipped with means for driving the pressurizing pump slowly, which is driven by a variable speed means 25 such as an inverter and gradually increases the operating speed when the pump is started. Further, there is provided means for gradually reducing the operating speed of the pressurizing pump 13 even when the pump is stopped so as to slowly stop the pump.
【００２８】また、本発明の第２の実施例においては、
自動開閉弁１６の弁開閉駆動装置２０は、数秒の時間を
かけてゆっくり開き、又ゆっくり閉じる動作を行う。こ
れは、例えば電気信号により弁開度を調整できる比例制
御モータバルブ等の自動弁１６と、その自動弁がゆっく
り開閉するように弁開度信号を出力する弁開閉駆動装置
２０とを組み合わせることによって実施することができ
る。ポンプＢの起動停止は瞬間的に行われる。Further, in the second embodiment of the present invention,
The valve opening / closing drive device 20 of the automatic opening / closing valve 16 slowly opens and closes over a period of several seconds. This is achieved, for example, by combining an automatic valve 16 such as a proportional control motor valve capable of adjusting the valve opening degree with an electric signal and a valve opening / closing drive device 20 that outputs a valve opening degree signal so that the automatic valve slowly opens and closes. It can be carried out. The pump B is started and stopped instantaneously.
【００２９】図２は、本発明の前記実施例の給水装置の
制御部の構成を示す。制御部２２には高置水槽１４の水
位検出器２４から高置水槽内の水位が低下し、ポンプの
運転を開始すべき水位である水位Ｌ信号が伝達される。
又、同様に高置水槽内に水が揚水され、高置水槽内が満
水状態となり、ポンプ１３の運転が停止されるべき水位
Ｌ信号が伝達される。FIG. 2 shows the construction of the control unit of the water supply system of the above embodiment of the present invention. The water level detector 24 of the elevated water tank 14 lowers the water level in the elevated water tank and transmits a water level L signal, which is the water level at which the operation of the pump should be started, to the control unit 22.
Similarly, water is pumped into the high water tank, the high water tank is filled up, and the water level L signal at which the operation of the pump 13 should be stopped is transmitted.
【００３０】本発明の第１実施例においては、制御部２
２はポンプ１３をゆっくり起動又は停止させ、自動開閉
弁１６は瞬間的に開閉動作する。これに対して、本発明
の第２実施例においては、制御部２２は自動開閉弁１６
をゆっくり開き又は閉じて、ポンプ１３は瞬間的に起動
又は停止する。In the first embodiment of the present invention, the control unit 2
2 slowly starts or stops the pump 13, and the automatic opening / closing valve 16 momentarily opens and closes. On the other hand, in the second embodiment of the present invention, the control unit 22 uses the automatic opening / closing valve 16
Is slowly opened or closed, and the pump 13 is momentarily started or stopped.
【００３１】図３は、本発明の第１実施例のポンプ及び
自動開閉弁の制御フローを示す。制御装置２２内には、
次に述べるルーチンが組み込まれている。まず、高置水
槽１４内の水位を水位検出器２４から読み込む。そし
て、高置水槽内の水位が上昇してポンプを停止すべき水
位Ｈであるか否かを判断する。ＹＥＳである場合には、
ポンプの運転速度を徐々に下げてゆっくり停止させる。
そして自動開閉弁１６を閉止する。停止水位Ｌでない場
合には、ポンプの運転をそのまま継続する。次に、高置
水槽内の水位が低下し、高置水槽内に給水すべき運転水
位Ｌであるか否かを判断する。運転水位Ｌである場合に
は、まず自動開閉弁１６を開き、次に加圧ポンプ１３を
ゆっくり起動する。運動水位Ｌでない場合には、ポンプ
の停止を継続する。FIG. 3 shows a control flow of the pump and the automatic opening / closing valve of the first embodiment of the present invention. In the control device 22,
The routine described below is incorporated. First, the water level in the elevated water tank 14 is read from the water level detector 24. Then, it is determined whether or not the water level in the elevated water tank has risen to reach the water level H at which the pump should be stopped. If yes,
Gradually reduce the operating speed of the pump and stop slowly.
Then, the automatic open / close valve 16 is closed. When the water level is not L, the pump operation is continued. Next, it is determined whether or not the water level in the elevated water tank is lowered and the operating water level L to be supplied to the elevated water tank is reached. When the operating water level is L, the automatic opening / closing valve 16 is first opened, and then the pressurizing pump 13 is slowly started. If the water level is not L, the pump continues to be stopped.
【００３２】図４は、前述の制御フローに従った、給水
装置の各部の動作を示す。時間ｔ０ の状態で、ポンプは
停止しており、高置水槽１４内の水が末端給水機器１７
で使用され、水位が徐々に低減しているとする。時間ｔ
１ で高置水槽内水位がポンプ運転水位Ｌに到達する
と、まず自動開閉弁１６が開放される。そして、ポンプ
がゆっくり起動し、ポンプ速度が徐々に上昇する。そし
て、数秒後ポンプは吐出圧力検出器２３の圧力が所定値
となるように一定速度での運転に移行する。高置水槽内
水位は、時間ｔ１ 後は徐々に上昇する。高置水槽１４
と加圧ポンプ１３とを連結する連結管１８内の水圧は、
図示するようにポンプ運転開始と共に（時間ｔ１ か
ら）緩やかに上昇し、ポンプ運転速度が一定となる頃に
所定の圧力が加わることになる。FIG. 4 shows the water supply according to the control flow described above.
The operation of each part of the apparatus is shown. Time t0 The pump is
The water in the high water tank 14 is stopped and the terminal water supply device 17 is stopped.
The water level is gradually decreasing. Time t
1The water level in the elevated water tank reaches the pump operating water level L at
Then, first, the automatic opening / closing valve 16 is opened. And pump
Starts slowly and the pump speed gradually increases. That
After a few seconds, the pressure of the discharge pressure detector 23 of the pump is a predetermined value.
The operation is switched to a constant speed so that Inside the high water tank
The water level is time t1After that, it rises gradually. High water tank 14
The water pressure in the connecting pipe 18 that connects the pressurizing pump 13 with the
As shown in the figure, when the pump starts operating (time t1Or
Etc.) When the pump speed rises slowly and the pump operating speed becomes constant
A predetermined pressure will be applied.
【００３３】高置水槽内水位がポンプの運転を停止すべ
き水位Ｈに達する時間ｔ２ には、ポンプがゆっくり停
止する動作を開始する。即ち時間ｔ２ から運転速度が
徐々に低下し、時間ｔ３ でポンプが停止するとともに
自動開閉弁１６は閉止される。従って、高置水槽内水位
は、ポンプの減速に伴い、やや上昇するが、ポンプが停
止した時間ｔ３ 以降は、末端給水機器への水の供給と
ともに徐々に低下する。加圧ポンプ１３から高置水槽１
４に連結する連結管１８内の圧力は、ポンプ速度の低減
とともに緩やかに低減し、自動開閉弁１６の閉止によ
り、ほぼ圧力がゼロの状態となる。At time t 2 when the water level in the high water tank reaches the water level H at which the pump should be stopped, the operation of slowly stopping the pump is started. That is, the operating speed gradually decreases from time t 2 , the pump stops at time t 3 , and the automatic opening / closing valve 16 closes. Therefore, the water level in the elevated water tank slightly rises as the pump decelerates, but gradually decreases with the supply of water to the terminal water supply equipment after the time t 3 when the pump stops. From pressure pump 13 to elevated water tank 1
The pressure in the connecting pipe 18 connected to 4 gradually decreases as the pump speed decreases, and when the automatic opening / closing valve 16 is closed, the pressure becomes substantially zero.
【００３４】図５は、本発明の第２実施例のポンプ及び
自動開閉弁の制御フローを示す。制御装置２２内には、
次に述べるルーチンが組み込まれている。まず、高置水
槽１４内の水位を水位検出器２４から読み込む。そし
て、高置水槽内の水位が上昇してポンプを停止すべき水
位Ｈであるか否かを判断する。ＹＥＳである場合には、
弁の開度を徐々に下げてゆっくり閉止する。そしてポン
プ１３を停止する。停止水位Ｌでない場合には、ポンプ
の運転をそのまま継続する。次に、高置水槽内の水位が
低下し、高置水槽内に給水すべき運転水位Ｌであるか否
かを判断する。運転水位Ｌである場合には、まずポンプ
１３を起動し、次に自動開閉弁１６をゆっくり開く。FIG. 5 shows a control flow of the pump and the automatic opening / closing valve of the second embodiment of the present invention. In the control device 22,
The routine described below is incorporated. First, the water level in the elevated water tank 14 is read from the water level detector 24. Then, it is determined whether or not the water level in the elevated water tank has risen to reach the water level H at which the pump should be stopped. If yes,
Gradually reduce the valve opening and close slowly. Then, the pump 13 is stopped. When the water level is not L, the pump operation is continued. Next, it is determined whether or not the water level in the elevated water tank is lowered and the operating water level L to be supplied to the elevated water tank is reached. When the operating water level is L, first the pump 13 is started, and then the automatic opening / closing valve 16 is slowly opened.
【００３５】図６は、前述の制御フローに従った、給水
装置の各部の動作を示す。時間ｔ０ の状態で、ポンプは
停止しており、高置水槽１４内の水が末端給水機器１７
で使用され、水位が徐々に低減しているとする。時間ｔ
１ で高置水槽内水位がポンプ運転水位Ｌに到達する
と、まずポンプ１３が起動する。そして、自動開閉弁１
６がゆっくり開き、流量が徐々に増加する。高置水槽内
水位は、時間ｔ１ 後は徐々に上昇する。高置水槽１４
と加圧ポンプ１３とを連結する連結管１８内の水圧は、
図示するようにポンプ運転開始と共に（時間ｔ１ か
ら）緩やかに上昇し、弁開度が所定値となる頃に所定の
圧力が加わることになる。FIG. 6 shows the water supply according to the control flow described above.
The operation of each part of the apparatus is shown. Time t0 The pump is
The water in the high water tank 14 is stopped and the terminal water supply device 17 is stopped.
The water level is gradually decreasing. Time t
1The water level in the elevated water tank reaches the pump operating water level L at
Then, first, the pump 13 is started. And the automatic on-off valve 1
6 slowly opens and the flow rate gradually increases. Inside the high water tank
The water level is time t1After that, it rises gradually. High water tank 14
The water pressure in the connecting pipe 18 that connects the pressurizing pump 13 with the
As shown in the figure, when the pump starts operating (time t1Or
Etc.) rises slowly and reaches a specified value when the valve opening reaches a specified value.
Pressure will be applied.
【００３６】高置水槽内水位がポンプの運転を停止すべ
き水位Ｈに達する時間ｔ２ には、自動開閉弁がゆっく
り閉止する動作を開始する。即ち時間ｔ２ から弁開度
が徐々に小さくなり、時間ｔ３ で弁が閉止するととも
にポンプ１３の運転は停止される。従って、高置水槽内
水位は、自動開閉弁の閉止に伴い、やや上昇するが、ポ
ンプが停止した時間ｔ３ 以降は、末端給水機器への水
の供給とともに徐々に低下する。加圧ポンプ１３から高
置水槽１４に連結する連結管１８内の水圧は、弁開度の
低減とともに緩やかに低減し、自動開閉弁１６の閉止に
より、ほぼ圧力がゼロの状態となる。At time t 2 when the water level in the elevated water tank reaches the water level H at which the pump operation should be stopped, the operation of slowly closing the automatic opening / closing valve is started. That is, the valve opening gradually decreases from time t 2 , the valve closes at time t 3 , and the operation of the pump 13 is stopped. Therefore, the water level in the elevated water tank slightly rises with the closing of the automatic opening / closing valve, but after the time t 3 when the pump is stopped, it gradually decreases with the supply of water to the terminal water supply equipment. The water pressure in the connecting pipe 18 connecting the pressurizing pump 13 to the elevated water tank 14 is gradually reduced as the opening degree of the valve is reduced, and when the automatic opening / closing valve 16 is closed, the pressure becomes almost zero.
【００３７】尚、前述した実施例においては、ポンプ又
は自動開閉弁のどちらかをゆっくり開閉しているが、そ
の双方をゆっくり開閉するようにしてもよい。In the above-described embodiment, either the pump or the automatic opening / closing valve is opened / closed slowly, but both of them may be opened / closed slowly.
【００３８】[0038]
【発明の効果】以上に説明したように本発明によれば、
高置水槽を備えた直結型の給水装置において、流入側の
圧力が高い場合でも、加圧ポンプの吐出側から高置水槽
に至る連結管に大きな衝撃を与えるという問題が防止さ
れる。As described above, according to the present invention,
In the direct connection type water supply device provided with the elevated water tank, even if the pressure on the inflow side is high, the problem that a large impact is given to the connecting pipe from the discharge side of the pressurizing pump to the elevated water tank is prevented.
【図１】（Ａ）高置水槽を備えた直結型の給水装置のシ
ステム構成の説明図、（Ｂ）高置水槽の説明図。FIG. 1A is an explanatory view of a system configuration of a direct connection type water supply device including a high water tank, and FIG. 1B is an explanatory view of a high water tank.
【図２】本発明の一実施例の給水装置の制御系の説明
図。FIG. 2 is an explanatory diagram of a control system of the water supply device according to the embodiment of the present invention.
【図３】本発明の第１実施例の制御フロー図。FIG. 3 is a control flow chart of the first embodiment of the present invention.
【図４】前記実施例における給水装置の各部の状態を示
すタイムチャート。FIG. 4 is a time chart showing the state of each part of the water supply device in the above embodiment.
【図５】本発明の第２実施例の制御フロー図。FIG. 5 is a control flow chart of the second embodiment of the present invention.
【図６】前記実施例における給水装置の各部の状態を示
すタイムチャート。FIG. 6 is a time chart showing the state of each part of the water supply device in the above embodiment.
１１ 配水管 １２ 流入管 １３ 加圧ポンプ １４ 高置水槽 １５ 量水器 １６ 自動開閉弁 １７ 末端給水機器 １８ 連結管 １８Ａ 流入口 １８Ｂ 流出口 １９ チェッキ弁 ２０ 弁開閉駆動装置 ２１ 流入圧力検出器 ２２ 制御部 ２３ 吐出圧力検出器 ２４ 水位検出器 ２５ 可変速手段 11 water pipe 12 Inflow pipe 13 Pressurizing pump 14 High water tank 15 Water meter 16 Automatic open / close valve 17 Terminal water supply equipment 18 Connection pipe 18A inlet 18B outlet 19 Check valve 20 Valve open / close drive 21 Inflow pressure detector 22 Control unit 23 Discharge pressure detector 24 Water level detector 25 Variable speed means
Claims (13)
る連結管と、 連結管に設けられた自動開閉弁と、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
とを備え、 前記高置水槽内の水位が低下すると前記自動開閉弁が開
いた後、前記加圧ポンプが起動し、前記流入圧力検出器
の検出圧力及び前記吐出圧力検出器の検出圧力に基づい
て任意の速度に制御されることを特徴とする給水装置。1. An inflow pipe connected to a water distribution pipe, a pressurizing pump connected to the inflow pipe, a connecting pipe connected to a discharge side of the pressurizing pump for supplying water to a high water tank, and a connecting pipe An automatic on-off valve provided in, an inflow pressure detector that detects the inflow pressure of the pressurizing pump, and a discharge pressure detector that detects the discharge pressure of the pressurizing pump, After the automatic opening / closing valve opens when the water level drops, the pressurizing pump is activated, and the speed is controlled to an arbitrary speed based on the pressure detected by the inflow pressure detector and the pressure detected by the discharge pressure detector. Characteristic water supply device.
を特徴とする請求項１に記載の給水装置。2. The water supply device according to claim 1, wherein the pressurizing pump starts slowly.
る連結管と、 連結管に設けられた自動開閉弁と、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
とを備え、 前記加圧ポンプが前記流入圧力検出器の検出圧力及び前
記吐出圧力検出器の検出圧力に基づいて任意の速度で運
転され前記高置水槽内の水位が停止水位になると、前記
自動開閉弁が閉じた後、前記加圧ポンプが停止すること
を特徴とする給水装置。3. An inflow pipe connected to the water distribution pipe, a pressurizing pump connected to the inflow pipe, a connecting pipe connected to the discharge side of the pressurizing pump for sending water to the elevated water tank, and a connecting pipe. An inflow pressure detector for detecting an inflow pressure of the pressurizing pump, and a discharge pressure detector for detecting a discharge pressure of the pressurizing pump, wherein the pressurizing pump is When the water level in the elevated water tank reaches the stop water level by operating at an arbitrary speed based on the detection pressure of the inflow pressure detector and the detection pressure of the discharge pressure detector, the pressurization is performed after the automatic opening / closing valve is closed. A water supply device characterized in that the pump stops.
特徴とする請求項３に記載の給水装置。4. The water supply device according to claim 3, wherein the automatic opening / closing valve is slowly closed.
変速で駆動される加圧ポンプを備えた給水装置であっ
て、 前記加圧ポンプの吐出し側に設けられた自動開閉弁と、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
と、 前記加圧ポンプを制御する制御部とを備え、 前記制御部は、高置水槽の運転水位信号を受けて前記自
動開閉弁を開いた後、前記加圧ポンプを起動して前記流
入圧力検出器の検出圧力及び前記吐出圧力検出器の検出
圧力に基づいて任意の速度に制御することを特徴とする
給水装置。5. A water supply device comprising a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, comprising an automatic opening / closing valve provided on a discharge side of the pressurizing pump. An inflow pressure detector for detecting an inflow pressure of the pressure pump, a discharge pressure detector for detecting a discharge pressure of the pressure pump, and a control unit for controlling the pressure pump, the control unit After opening the automatic open / close valve in response to the operating water level signal of the elevated water tank, activate the pressurizing pump to arbitrarily determine the pressure based on the pressure detected by the inflow pressure detector and the pressure detected by the discharge pressure detector. Water supply device characterized by controlling to the speed of.
変速で駆動される加圧ポンプを備えた給水装置であっ
て、 前記加圧ポンプの吐出し側に設けられた自動開閉弁と、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
と、 前記加圧ポンプを制御する制御部とを備え、 前記制御部は、前記流入圧力検出器の検出圧力及び前記
吐出圧力検出器の検出圧力に基づいて前記加圧ポンプを
任意の速度に制御して送水し、高置水槽の停止水位信号
を受けて前記自動開閉弁を閉じた後、前記加圧ポンプを
停止することを特徴とする給水装置。6. A water supply apparatus comprising a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, comprising an automatic opening / closing valve provided on a discharge side of the pressurizing pump. An inflow pressure detector for detecting an inflow pressure of the pressure pump, a discharge pressure detector for detecting a discharge pressure of the pressure pump, and a control unit for controlling the pressure pump, the control unit Controls the pressurizing pump at an arbitrary speed based on the pressure detected by the inflow pressure detector and the pressure detected by the discharge pressure detector to feed water, and receives the stop water level signal of the high water tank to automatically open and close the pump. A water supply device, characterized in that the pressure pump is stopped after the valve is closed.
変速で駆動される加圧ポンプを備えた給水装置であっ
て、 前記加圧ポンプの吐出し側に設けられた自動開閉弁と、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
と、 前記加圧ポンプを制御する制御部とを備え、 前記制御部は、高置水槽の運転水位信号を受けて前記自
動開閉弁を開いた後、前記加圧ポンプを前記連結管に衝
撃を及ぼさない程度の時間をかけて起動することを特徴
とする給水装置。7. A water supply device comprising a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, comprising an automatic opening / closing valve provided on a discharge side of the pressurizing pump. An inflow pressure detector for detecting an inflow pressure of the pressure pump, a discharge pressure detector for detecting a discharge pressure of the pressure pump, and a control unit for controlling the pressure pump, the control unit The water supply device is characterized in that after receiving the operating water level signal of the elevated water tank and opening the automatic opening / closing valve, the pressurizing pump is activated for a time period that does not impact the connecting pipe.
変速で駆動される加圧ポンプを備えた給水装置であっ
て、 前記加圧ポンプの吐出し側に設けられた自動開閉弁と、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
と、 前記加圧ポンプを制御する制御部とを備え、 前記制御部は、高置水槽の停止水位信号を受けて前記自
動開閉弁を前記連結管に衝撃を及ぼさない程度の時間を
かけて閉じた後、前記加圧ポンプを停止することを特徴
とする給水装置。8. A water supply device comprising a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, comprising: an automatic opening / closing valve provided on a discharge side of the pressurizing pump. An inflow pressure detector for detecting an inflow pressure of the pressure pump, a discharge pressure detector for detecting a discharge pressure of the pressure pump, and a control unit for controlling the pressure pump, the control unit The water supply device is characterized in that, after receiving the stop water level signal of the elevated water tank, the automatic opening / closing valve is closed for a time not impacting the connecting pipe, and then the pressurizing pump is stopped.
変速で駆動される加圧ポンプを備えた給水装置の制御装
置であって、 高置水槽の運転水位信号を受けて前記加圧ポンプの吐出
側の自動開閉弁を開いた後、前記加圧ポンプを起動して
前記加圧ポンプの流入圧力及び吐出圧力に基づいて任意
の速度に制御して送水することを特徴とする給水装置の
制御装置。9. A control device of a water supply device comprising a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, wherein the pressurizing is performed in response to an operating water level signal of a high water tank. After opening an automatic opening / closing valve on the discharge side of the pump, the pressure pump is started to control the water at an arbitrary speed based on the inflow pressure and the discharge pressure of the pressure pump to supply water. Control device.
可変速で駆動される加圧ポンプを備えた給水装置の制御
装置であって、 前記加圧ポンプの流入圧力及び吐出圧力に基づいて任意
の速度に制御して送水し、高置水槽の停止水位信号を受
けて前記加圧ポンプの吐出側の自動開閉弁を閉じた後、
前記加圧ポンプを停止することを特徴とする給水装置の
制御装置。10. A control device for a water supply device, comprising a pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, wherein the control device is based on an inflow pressure and a discharge pressure of the pressurizing pump. After controlling and sending water at an arbitrary speed, receiving the stop water level signal of the high water tank and closing the automatic opening / closing valve on the discharge side of the pressurizing pump,
A controller for a water supply device, characterized in that the pressurizing pump is stopped.
可変速で駆動される加圧ポンプと、 前記加圧ポンプの流入圧力を検出する流入圧力検出器
と、 前記加圧ポンプの吐出し圧力を検出する吐出圧力検出器
と、 請求項９又は１０に記載の制御装置とを備えたことを特
徴とする給水装置。11. A pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, an inflow pressure detector for detecting an inflow pressure of the pressurizing pump, and a discharge of the pressurizing pump. A water supply device comprising: a discharge pressure detector for detecting a pressure; and the control device according to claim 9.
可変速で駆動される加圧ポンプと、該加圧ポンプの流入
圧力を検出する流入圧力検出器と、該加圧ポンプの吐出
し圧力を検出する吐出圧力検出器とを備えた給水装置の
制御方法であって、 高置水槽の運転水位信号を受けて前記加圧ポンプの吐出
側に設けられた自動開閉弁を開いた後、前記加圧ポンプ
を起動して前記流入圧力検出器の検出圧力及び前記吐出
圧力検出器の検出圧力に基づいて任意の速度に制御して
前記高置水槽に送水することを特徴とする給水装置の制
御方法。12. A pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, an inflow pressure detector for detecting an inflow pressure of the pressurizing pump, and a discharge of the pressurizing pump. A method of controlling a water supply device comprising a discharge pressure detector for detecting a pressure, wherein after opening an automatic opening / closing valve provided on the discharge side of the pressurizing pump in response to an operating water level signal of a high water tank, A water supply device characterized in that the pressurizing pump is activated to control an arbitrary speed based on the detection pressure of the inflow pressure detector and the detection pressure of the discharge pressure detector to supply water to the elevated water tank. Control method.
可変速で駆動される加圧ポンプと、該加圧ポンプの流入
圧力を検出する流入圧力検出器と、該加圧ポンプの吐出
し圧力を検出する吐出圧力検出器とを備えた給水装置の
制御方法であって、 前記流入圧力検出器の検出圧力及び前記吐出圧力検出器
の検出圧力に基づいて任意の速度に制御して高置水槽に
送水し、前記高置水槽の停止水位信号を受けて前記加圧
ポンプの吐出側に設けられた自動開閉弁を閉じた後、前
記加圧ポンプを停止することを特徴とする給水装置の制
御方法。13. A pressurizing pump connected to an inflow pipe connected to a water distribution pipe and driven at a variable speed, an inflow pressure detector for detecting an inflow pressure of the pressurizing pump, and a discharge of the pressurizing pump. A control method of a water supply device comprising a discharge pressure detector for detecting a pressure, wherein the water pressure is controlled at an arbitrary speed based on the detected pressure of the inflow pressure detector and the detected pressure of the discharge pressure detector. Water is sent to the water tank, and after receiving the stop water level signal of the high water tank, closing the automatic opening / closing valve provided on the discharge side of the pressurizing pump, and then stopping the pressurizing pump. Control method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003090133A JP3530913B2 (en) | 2003-03-28 | 2003-03-28 | Water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003090133A JP3530913B2 (en) | 2003-03-28 | 2003-03-28 | Water supply device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10297995A Division JPH08277781A (en) | 1995-04-04 | 1995-04-04 | Water feeding device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003351261A Division JP2004092387A (en) | 2003-10-09 | 2003-10-09 | Water supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003269340A true JP2003269340A (en) | 2003-09-25 |
| JP3530913B2 JP3530913B2 (en) | 2004-05-24 |
Family
ID=29208559
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003090133A Expired - Lifetime JP3530913B2 (en) | 2003-03-28 | 2003-03-28 | Water supply device |
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| Country | Link |
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| JP (1) | JP3530913B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010101291A (en) * | 2008-10-27 | 2010-05-06 | Shimizu Corp | Deep water intake installation, and method for operating the same |
| JP2010229859A (en) * | 2009-03-26 | 2010-10-14 | Kawamoto Pump Mfg Co Ltd | Water supply device |
| CN102776920A (en) * | 2011-05-10 | 2012-11-14 | 上海熊猫机械(集团)有限公司 | Pressure-superposing water feeding device |
-
2003
- 2003-03-28 JP JP2003090133A patent/JP3530913B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010101291A (en) * | 2008-10-27 | 2010-05-06 | Shimizu Corp | Deep water intake installation, and method for operating the same |
| JP2010229859A (en) * | 2009-03-26 | 2010-10-14 | Kawamoto Pump Mfg Co Ltd | Water supply device |
| CN102776920A (en) * | 2011-05-10 | 2012-11-14 | 上海熊猫机械(集团)有限公司 | Pressure-superposing water feeding device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3530913B2 (en) | 2004-05-24 |
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