JPH01121577A - Flow control pump unit - Google Patents

Flow control pump unit

Info

Publication number
JPH01121577A
JPH01121577A JP27820587A JP27820587A JPH01121577A JP H01121577 A JPH01121577 A JP H01121577A JP 27820587 A JP27820587 A JP 27820587A JP 27820587 A JP27820587 A JP 27820587A JP H01121577 A JPH01121577 A JP H01121577A
Authority
JP
Japan
Prior art keywords
water
flow
flow rate
resistance
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP27820587A
Other languages
Japanese (ja)
Inventor
Tadashi Kizaki
木崎 正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shibaura Mechatronics Corp
Original Assignee
Shibaura Engineering Works Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shibaura Engineering Works Co Ltd filed Critical Shibaura Engineering Works Co Ltd
Priority to JP27820587A priority Critical patent/JPH01121577A/en
Publication of JPH01121577A publication Critical patent/JPH01121577A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain smooth action characteristics for both a small water flow and a large water flow by providing a flow switch and a resistance valve in parallel in a pump discharge passage. CONSTITUTION:A flow switch 5 and a resistance valve 6 are provided in parallel with each other in a discharge passage 2. When a cock 7 is opened to the full to make a large water flow, the resistance valve 6 is opened by the water resistance at the flow switch 5. If the water resistance at a large water flow is set small, the water resistance at the discharge passage 2 is small. For detecting a small water flow, a valve 12 of the resistance valve 6 is energized by a spring 13, and the resistance valve 6 is not opened except that the water pressure exceeds the energized pressure, thereby even a very small water flow can be detected at the flow switch 5.

Description

【発明の詳細な説明】 「産業上の利用分野」 本発明は、大水量が流せると共に最小流量の感度が良好
な流量制御ポンプ装置に関する。
DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a flow rate control pump device that can flow a large amount of water and has good minimum flow rate sensitivity.

「従来の技術」 流量制御ポンプ装置は、圧力タンクを小形にすると共に
流量そ検出して運転を制御するものであり、ポンプ装置
全体を小形化することができるものである。
``Prior Art'' A flow rate control pump device is a device that reduces the size of a pressure tank and controls its operation by detecting the flow rate, thereby making it possible to reduce the size of the entire pump device.

そして、運転の発停をできるかぎり少なくするように設
計努力がなされるものであり、このなめには、流量検出
器となる流量スイッチの動作する最小流量を少なくする
ことが必要であった。
Design efforts are made to minimize the number of starts and stops of operation, and to achieve this, it is necessary to reduce the minimum flow rate at which the flow rate switch, which serves as the flow rate detector, operates.

「発明が解決しようとする問題点] 従来の流量制御ポンプ装置では、流量スイッチの小水量
に対応できるよう感度を良好にするため、わずかな水流
で動作するように通水路を狭くしてスイッチを動作させ
る揺動子の動作感度を向上していた。
“Problems to be Solved by the Invention” In conventional flow rate control pump devices, in order to improve the sensitivity of the flow rate switch so that it can respond to small amounts of water, the flow channel is narrowed so that the switch can operate with a small amount of water flow. The operating sensitivity of the oscillator was improved.

しかしながら、このような構成では、大水量において、
通水抵抗が増し、揚水特性に悪影響があった。
However, with such a configuration, at large water volumes,
Water flow resistance increased and pumping characteristics were adversely affected.

したがって、この種流量制御ポンプ装置では、大水量に
好ましくなく、比較的小水量の場合に適するといった傾
向があった。− 本発明は、このような事情に鑑みてなされたものであり
、小水量から大水量まで円滑な動作特性が得られる流量
制御ポンプ装置を提供することを目的としている。
Therefore, this type of flow rate control pump device tends to be unsuitable for large amounts of water, but suitable for relatively small amounts of water. - The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a flow rate control pump device that can obtain smooth operating characteristics from small to large amounts of water.

「問題点を解決するための手段」 本発明は、ポンプの吐出路にアキュームレータを備え、
吐出路が一定の圧力になった際動作する圧力スイッチを
備え、さらに吐出路に流量スイッチ及びこの流量スイッ
チに抵抗弁を併設したことによって問題点を解決してい
る。
"Means for solving the problem" The present invention includes an accumulator in the discharge path of the pump,
This problem is solved by providing a pressure switch that operates when the discharge path reaches a certain pressure, and further providing a flow rate switch in the discharge path and a resistance valve in conjunction with this flow rate switch.

「作用」 吐出路に大水量が流れると抵抗弁が開成して流量スイッ
チに流れる水量が分流される。
"Operation" When a large amount of water flows into the discharge path, the resistance valve opens and the amount of water flowing to the flow rate switch is diverted.

そして、吐出路の水量が少なくなると、抵抗弁が閉じて
流量スイッチのみが水路となる。
Then, when the amount of water in the discharge path decreases, the resistance valve closes and the flow rate switch becomes the only water channel.

このため、流量スイッチの動作する最小水量を極めて小
さいものとしても大水量時に影響がなくなる。
Therefore, even if the minimum amount of water at which the flow rate switch operates is extremely small, there is no effect when the amount of water is large.

「実施例」 本発明を図面に示されな一実施例に基づいて説明すると
、第1図は、本願発明の流量制御ポンプ装置の構成を示
す図であり、第2@は、その要部の拡大縦断面図である
"Example" The present invention will be described based on an example not shown in the drawings. Fig. 1 is a diagram showing the configuration of a flow rate control pump device of the present invention, and Fig. 2 shows the main parts thereof. It is an enlarged longitudinal cross-sectional view.

第1図において、流量制御ボン1装置は、井戸に連通さ
れるボン11の吐出路2にアキュームレータ3及び圧力
スイッチ4が備えられている。
In FIG. 1, the flow rate control bong 1 device includes an accumulator 3 and a pressure switch 4 in a discharge path 2 of a bong 11 communicating with a well.

そして、吐出路2には、流量スイッチ5と抵抗弁6とが
併設されており、端末には、蛇ロアが備えられている。
The discharge path 2 is also provided with a flow rate switch 5 and a resistance valve 6, and the end thereof is provided with a serpentine lower.

第2図において、流量スイッチ5及び抵抗弁6は、吐出
路2に併設されており、吐出路2の水流は、いずれにも
流れるように構成されている。
In FIG. 2, a flow rate switch 5 and a resistance valve 6 are installed in the discharge passage 2, and the water flow in the discharge passage 2 is configured to flow in both directions.

そして、流量スイッチ5は、通水路8に揺動板9が備え
られており、揺動板9には、マグネット10が備えられ
ており、揺動板9の揺動によってリードリレー11が動
作するように構成されている。
The flow rate switch 5 includes a swing plate 9 in the water passage 8, a magnet 10 on the swing plate 9, and a reed relay 11 operated by the swing of the swing plate 9. It is configured as follows.

さらに、抵抗弁6は、弁12がスプリング13によって
付勢されて備えられており、通水に抵抗は、蛇ロアを開
けるとアキュームレータ3から圧力水が吐出路2に流れ
る。
Furthermore, the resistance valve 6 is provided with a valve 12 biased by a spring 13, so that resistance to water flow occurs when the snake lower is opened, and pressurized water flows from the accumulator 3 to the discharge path 2.

そして、この流量を検出して流量スイッチ5が動作して
ポンプ1を運転する。
Then, this flow rate is detected and the flow rate switch 5 is operated to operate the pump 1.

さらに、蛇ロアが閉じられると圧力スイッチ4が動作し
てポンプ1の運転を停止する。
Furthermore, when the serpentine lower is closed, the pressure switch 4 is operated to stop the operation of the pump 1.

このような動作において、蛇ロアが全開されて大水量と
なった場合、流量スイッチ5の通水抵抗によって抵抗弁
6が開成して抵抗弁6を通水することになる。
In such an operation, when the serpentine lower is fully opened and a large amount of water is produced, the resistance valve 6 is opened due to the water flow resistance of the flow rate switch 5, and water is allowed to flow through the resistance valve 6.

このため、吐出路2の水量が増加しても流量スイッチ5
によって通水抵抗が増加することはなく、抵抗弁6の大
水量時の通水抵抗を小さく設定しておけば吐出路2の通
水抵抗を小さくすることができる。
Therefore, even if the amount of water in the discharge passage 2 increases, the flow rate switch 5
Therefore, the water flow resistance of the discharge passage 2 can be reduced by setting the water flow resistance of the resistance valve 6 to a small value when the water flow is large.

そして、小水量の検出については、抵抗弁6の弁12が
スプリング13によって付勢されており、この付勢圧力
を越える水圧でない限り抵抗弁6が開成せず、スプリン
グ13の付勢圧力を小さくすることによってわずかな水
量が流量スイッチ5に流れて水流を検出することができ
る。
In order to detect a small amount of water, the valve 12 of the resistance valve 6 is biased by a spring 13, and unless the water pressure exceeds this biasing pressure, the resistance valve 6 will not open, and the biasing pressure of the spring 13 will be reduced. By doing so, a small amount of water flows to the flow rate switch 5 and the water flow can be detected.

すなわち、わずかな水量になった際、抵抗弁6の弁12
が閉じて吐出路2の全ての水流が水流スイッチ5に流れ
るように構成されることによってわずかな水流で動作す
る水流スイッチ5を構成することかできる。
That is, when the amount of water becomes small, the valve 12 of the resistance valve 6
By closing the discharge passage 2 so that all the water flows to the water flow switch 5, it is possible to construct a water flow switch 5 that operates with a small amount of water flow.

「発明の効果」 本発明によれば、大水量では抵抗弁が開成して通水抵抗
を少なくし、小水量では、抵抗弁を閉じて流量スイッチ
に全て通水して小水量に対して流量スイッチの動作感度
を向上したものであり、小水星から大水iまでの制御が
容易に行え、流量制第1図は、本願発明の流量制御ポン
プ装置の構成を示す図であり、第2図は、その要部の拡
大縦断面図である。
"Effects of the Invention" According to the present invention, the resistance valve opens to reduce the water flow resistance when the water flow is large, and when the water flow is small, the resistance valve is closed and all the water passes through the flow rate switch. The operating sensitivity of the switch has been improved, and control from small to large water can be easily performed. is an enlarged vertical cross-sectional view of the main part thereof.

1・・・ポンプ、 2・・・吐出路、 3・・・アキュ
ームレータ、 4・・・圧力スイッチ、  5・・・流
量スイッチ、 6・・・抵抗弁、 7・・・蛇口。
DESCRIPTION OF SYMBOLS 1... Pump, 2... Discharge path, 3... Accumulator, 4... Pressure switch, 5... Flow rate switch, 6... Resistance valve, 7... Faucet.

Claims (1)

【特許請求の範囲】[Claims] ポンプの吐出路にアキュームレータを備え、吐出路が一
定の圧力になつた際動作する圧力スイッチを備え、さら
に吐出路に流量スイッチ及びこの流量スイッチに抵抗弁
を併設したことを特徴とする流量制御ポンプ装置。
A flow rate control pump comprising an accumulator in the discharge path of the pump, a pressure switch that operates when the discharge path reaches a certain pressure, a flow rate switch in the discharge path, and a resistance valve attached to the flow rate switch. Device.
JP27820587A 1987-11-05 1987-11-05 Flow control pump unit Pending JPH01121577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27820587A JPH01121577A (en) 1987-11-05 1987-11-05 Flow control pump unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27820587A JPH01121577A (en) 1987-11-05 1987-11-05 Flow control pump unit

Publications (1)

Publication Number Publication Date
JPH01121577A true JPH01121577A (en) 1989-05-15

Family

ID=17594061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27820587A Pending JPH01121577A (en) 1987-11-05 1987-11-05 Flow control pump unit

Country Status (1)

Country Link
JP (1) JPH01121577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03168393A (en) * 1989-11-24 1991-07-22 Shibaura Eng Works Co Ltd Pump device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440301A (en) * 1977-09-05 1979-03-29 Sanyo Electric Co Ltd Device for automatically operating pump
JPS5927163B2 (en) * 1976-07-22 1984-07-04 東京電力株式会社 Inspection method of protective relay device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927163B2 (en) * 1976-07-22 1984-07-04 東京電力株式会社 Inspection method of protective relay device
JPS5440301A (en) * 1977-09-05 1979-03-29 Sanyo Electric Co Ltd Device for automatically operating pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03168393A (en) * 1989-11-24 1991-07-22 Shibaura Eng Works Co Ltd Pump device

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