WO1998040629A1 - Appareil de pompage par depression - Google Patents

Appareil de pompage par depression

Info

Publication number
WO1998040629A1
WO1998040629A1 PCT/JP1997/002267 JP9702267W WO9840629A1 WO 1998040629 A1 WO1998040629 A1 WO 1998040629A1 JP 9702267 W JP9702267 W JP 9702267W WO 9840629 A1 WO9840629 A1 WO 9840629A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum
water
pumping
storage tank
tank
Prior art date
Application number
PCT/JP1997/002267
Other languages
English (en)
Japanese (ja)
Inventor
Mitsuo Kootaka
Original Assignee
Mitsuo Kootaka
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 Mitsuo Kootaka filed Critical Mitsuo Kootaka
Priority to AU32771/97A priority Critical patent/AU3277197A/en
Publication of WO1998040629A1 publication Critical patent/WO1998040629A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F3/00—Pumps using negative pressure acting directly on the liquid to be pumped

Definitions

  • the present invention relates to a water pump for supplying water to a water storage tank or the like, and more particularly to a vacuum pump using a vacuum pump.
  • Conventional technology for supplying water to a water storage tank or the like, and more particularly to a vacuum pump using a vacuum pump.
  • Generally pumping performed is a form force s usual to pump sucks up water directly from the reservoir or the like using a pumping pump reciprocating or rotary.
  • the present invention solves the above-mentioned problems of the conventional technology by using a vacuum pump to automatically control the amount of pumped water in response to fluctuations in the amount of water used, thereby making it possible to store water in a water storage tank. It is an object of the present invention to provide a vacuum pumping device that can secure a constant volume and also achieve a power saving effect. Disclosure of the invention
  • a vacuum pumping device comprises a vacuum pump, a vacuum pumping tank, a vacuum degree indicating means, and a water storage tank, and the vacuum pumping tank communicates with the vacuum pump through an intake pipe.
  • the reservoir is connected to the water storage tank by a discharge pipe with a check valve at the end, and has both upper and lower level detection means for the amount of pumped water and a water intake pipe with a check valve at the upper end.
  • the vacuum pumping tank since the vacuum pumping tank is configured as described above, the vacuum pumping tank automatically controls the pumping amount according to the fluctuation of the amount of water used in the water tank, and pumps water from the vacuum pumping tank to the water tank. By accelerating the supply speed, it is possible to stably secure the amount of water stored in the water tank that can be adapted for multipurpose use, and to obtain a power saving effect.
  • FIG. 1 is a conceptual diagram showing the configuration of the vacuum pumping device of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a conceptual diagram showing the configuration of a vacuum pumping device according to the present invention.
  • reference numeral 1 denotes a vacuum pump, which is connected to an air pipe 21 protruding from an upper part of a vacuum pumping tank 2.
  • a vacuum pump a reciprocating vacuum pump or an oil rotary vacuum pump is used.
  • the capacity of the vacuum pumping tank 2 be equal to or larger than the capacity of the water storage tank 4.
  • the volume is set to the required and sufficient volume at.
  • the tank be made of, for example, a corrosion-resistant metal having sufficient airtightness to maintain a degree of vacuum and sufficient strength to shut off external pressure.
  • the bottom is fitted with a water intake pipe 22 with a check valve 22a at the upper end, and its lower end is inserted below the water surface of an intake reservoir or the like.
  • the check valve 22a is configured so that water is sucked up only in the direction of the arrow shown in the drawing of pumping water, and that pumping does not flow backward even if the degree of vacuum in the vacuum pumping tank 2 is reduced.
  • a discharge pipe 23 is attached to the bottom surface, and the other end is connected to an intake port 61 on the side of the water storage tank 6.
  • a check valve 23 a is attached to the end of the discharge pipe 23, so that water flows only in the direction of the arrow shown in FIG. 1 and does not flow backward.
  • Reference numerals 26 and 27 denote photoelectric element sensors as means for detecting both the upper limit and the lower limit of the amount of pumped water, respectively.
  • the glass protruding from the side surface of the vacuum pumping tank 2 It is fixed at the upper and lower limit positions of the pumping surface indicator pipe 25 made of pipe.
  • the upper and lower positions are set as follows. That is, since both ends of the pumping surface display tube 25 penetrate into the tank of the vacuum pumping tank 2, the position corresponding to the floating member 28 floating in the display tube is directly used as the pumping surface of the vacuum pumping tank 2. It will be displayed.
  • the upper limit and lower limit of the pumping amount are selected as the optimal pumping surface position from various conditions such as the volume of the vacuum pumping tank 2, the output of the vacuum pump 1, the water storage amount of the water tank 4, and the like.
  • the upper and lower limits of the pumping amount are set on the A and B planes as shown in FIG. Therefore, it corresponds to the position limit position corresponding to the float 28 when the pumping surface is A, and the position limit position corresponding to the float 28 when the pumping surface is B.
  • a photoelectric element sensor using a combination of a light emitting diode and a light receiving diode is employed as the means for detecting the upper and lower water pumping levels.
  • a transmission unit using an optical fiber can be used, and airtightness can be satisfied. If it is, a switch mechanism can be adopted.
  • Reference numeral 3 denotes a control means, which has a switch for manually starting and stopping the operation of the vacuum pump 1, and is connected in circuit with both means for detecting the upper and lower levels of the pumped water, and The operation of the vacuum pump 1 is controlled by operating an electromagnetic relay or the like based on a detection signal generated in the photoelectric element sensor 1 as the detection means, and the operation of the vacuum degree adjusting means 4 is controlled by the detection signal.
  • Reference numeral 4 denotes a vacuum adjusting means, which is attached to the upper surface of the vacuum pumping tank 2.
  • an electromagnetic vacuum valve is employed as the degree of vacuum adjustment, and by operating this, the atmospheric pressure is introduced into the vacuum pumping tank 2 to reduce the degree of vacuum, and water is stored from the vacuum pumping tank 2. It increases the pumping speed of pumping water to tank 6.
  • Reference numeral 5 denotes vacuum degree indicating means, which is attached to the upper surface of the vacuum pumping tank 2.
  • a Bourdon tube or the like is generally used as the vacuum degree display means 5, but in this embodiment, a Geisler tube 51 is employed. Geisler tube 5 1 electrode When a high voltage of about 500 V is applied between the electrodes 52 and 53 by the booster 54, a discharge occurs between the electrodes with a color corresponding to the degree of vacuum. Can be easily detected.
  • Reference numeral 6 denotes a water storage tank, which is connected to a suction pipe 6 1 on the side face of the discharge pipe 23 of the vacuum pumping tank 2, and passes through a check valve 23 a attached to a tip of the water storage tank 6. It is supplied with pumping power.
  • the water storage tank 6 for example, a plurality of water storage tanks having a capacity according to each use such as a flush toilet may be installed in parallel. In the vacuum pumping apparatus configured as described above, the following operation is performed.
  • the vacuum pump 1 When the vacuum pump 1 is started by a manual switch in the control means 3, the inside of the vacuum pumping tank 2 is evacuated, and a negative pressure is generated as the degree of vacuum increases, and from the intake tank through the intake pipe 22 and the check valve 22a. Water is sucked and pumping starts.
  • the pumping surface force s in the tank rises and reaches the surface A in FIG. 1, the float 28 rises to the position corresponding to the pumping water upper limit level detecting means 26, and the photoelectric element sensor as the detecting means 26 is activated.
  • the detection signal is transmitted to the control means 3.
  • the non-contact detection means by blocking or reflecting the light of the floats 28 reliably controls the airtightness of the pumping surface display tube 25 communicating with the vacuum pumping tank 2 without any influence.
  • Means 3 can be activated.
  • the control means 3 receiving the upper limit level detection signal activates the electromagnetic relay and the like to stop the vacuum pump 1, and activates the electromagnetic vacuum valve as the degree-of-vacuum adjusting means 4 at an appropriate timing.
  • the photoelectric element sensor 1 as the detecting means detects the float 28 and generates a lower limit level detection signal.
  • the control means 3 operates the vacuum pump 1 again by operating an electromagnetic relay or the like, and if necessary, restores the electromagnetic vacuum valve of the vacuum adjustment means 4 so that the outside air of the vacuum pumping tank 2 is recovered. Cut off communication.
  • the vacuum pump 1 increases the degree of vacuum in the vacuum pumping tank 2 again, and continues the operation until the pumping surface rises and recovers to the surface A at the upper limit of the pumping amount.
  • the water in the water storage tank 6 is stably supplied to the used equipment without the water flowing backward from the water storage tank 6 to the vacuum pumping tank 2 by the check valve 23 a in the discharge pipe 23.
  • the timing of stopping and starting the vacuum pump 1 in response to the signals generated by both the upper and lower pumping amount detection means 26 and 27 and the timing of the start and stop of the operation of the vacuum degree adjusting means 4 For the relationship, the output of the vacuum pump 1, the characteristics of the electromagnetic vacuum valve as the degree of vacuum adjustment 4, the capacity of the vacuum pumping tank 2 and the water storage tank 6, the fluctuation range of the amount of water used in a crisis that loads the water storage tank 6, etc.
  • the control circuit power of the control means 3 is configured so that the most efficient pumping and water supply timings can be selected in consideration of the above conditions.
  • the vacuum degree display means 5 may cause the deterioration of the performance of the vacuum pump 1 or the vacuum degree adjusting means 4 or the air pumping of the vacuum pumping tank 2. It is possible to quickly detect the occurrence of a decrease in density. Further, it is also possible to activate the back-up pump using the detection output of the vacuum degree display means 5.
  • the water discharge pipe 62 and the open / close valve 63 in the water storage tank 6 are necessary for cleaning, maintenance and inspection of the vacuum pumping water tank 2 and the water storage tank 6.
  • the illustration of the water supply path to the equipment used as a load on the water storage tank 6 is omitted. Industrial applicability
  • pumping is performed by using the negative pressure of the vacuum pump, so that pumping can be continued even after the vacuum pump is stopped.
  • the operating time of the pump can be greatly reduced, and a high power saving effect can be obtained. It is hoped that such shortening of the pump operation time will be used extremely effectively in developing countries suffering from chronic power shortages.
  • the upper limit and lower limit of the pumping amount are detected without affecting the vacuum tightness by using a photoelectric element or an optical fiber, and the operation of the vacuum pump and the operation of the degree of vacuum adjustment means such as an electromagnetic vacuum valve are controlled.
  • the pumping rate in accordance with fluctuations in the amount of water used in the water storage tank, increase the water supply speed to the water storage tank, and secure a stable water storage volume at all times. Can be.
  • the degree of vacuum indication using a Geisler tube or the like allows the air density in the vacuum pumping tank and the performance of the vacuum pump and the means for adjusting the degree of vacuum to be easily monitored. Therefore, it does not require any special technology, and is widely used in these respects.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Check Valves (AREA)

Abstract

Appareil de pompage par dépression versant de l'eau dans un réservoir à vitesse élevée et doté d'une capacité de stockage de l'eau stable et immobile et présentant une efficacité marquée d'économie d'énergie électrique. L'appareil comprend essentiellement un moyen (4) de commande par dépression (électrovanne par dépression) et un moyen (5) indicateur par dépression (tube de geissler) placés sur la surface supérieure d'une enveloppe du réservoir (2) de stockage par dépression. Un tuyau (22) d'admission placé sur sa partie supérieure comprenant un clapet (22a) de refoulement, et une pompe par dépression (1) reliée à la surface supérieure par un tuyau d'aspiration (21). En outre, un tuyau (25) de verre indiquant la surface de l'eau accumulée contient un flotteur (28), placé en saillie sur une surface latérale du réservoir (2) de stockage par dépression. Des détecteurs (26, 27) d'éléments photoélectriques sont installés sur le pourtour externe du tuyau indicateur de façon à être tournés respectivement sur un niveau (A) limite supérieur et un niveau (B) limite inférieur. Des sorties des moyens de détection (26, 27) sont respectivement reliées à un moyen de commande (3) qui commande la pompe par dépression (1) et le moyen de commande (4) par dépression. Un réservoir (6) est relié à la face inférieure du réservoir (2) de stockage par dépression au moyen d'un tuyau de décharge (23) pourvu d'un clapet (3a) de refoulement. Une soupape d'arrêt (63) est actionnée pour déverser l'eau par un tuyau (62) de décharge.
PCT/JP1997/002267 1997-03-13 1997-06-30 Appareil de pompage par depression WO1998040629A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU32771/97A AU3277197A (en) 1997-03-13 1997-06-30 Vacuum pumping apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9102342A JP2987617B2 (ja) 1997-03-13 1997-03-13 真空揚水装置
JP9/102342 1997-03-13

Publications (1)

Publication Number Publication Date
WO1998040629A1 true WO1998040629A1 (fr) 1998-09-17

Family

ID=14324832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/002267 WO1998040629A1 (fr) 1997-03-13 1997-06-30 Appareil de pompage par depression

Country Status (3)

Country Link
JP (1) JP2987617B2 (fr)
AU (1) AU3277197A (fr)
WO (1) WO1998040629A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2446319C2 (ru) * 2010-02-18 2012-03-27 Федеральное государственное научное учреждение Всероссийский научно-исследовательский институт систем орошения и сельхозводоснабжения "Радуга" (ФГНУ ВНИИ "Радуга") Сифон
CN103939661A (zh) * 2014-04-23 2014-07-23 淮南矿业(集团)有限责任公司 水环真空泵用补水桶以及水环真空泵系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267025B (zh) * 2013-05-23 2015-09-02 国家电网公司 变频循环水泵实现机组冷端系统节能自动控制方法
CN104675762A (zh) * 2015-03-26 2015-06-03 张彬彬 灌溉虹吸管

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113673A1 (de) * 1981-04-04 1982-10-28 Allweiler Ag, 7760 Radolfzell Vorrichtung zum absaugen von fluessigkeiten
GB2118251A (en) * 1982-04-01 1983-10-26 George Thomas Richard Campbell Pressure differential liquid transfer system
JPH03138500A (ja) * 1989-10-17 1991-06-12 Daiei Shokai:Kk 真空式システムポンプ装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113673A1 (de) * 1981-04-04 1982-10-28 Allweiler Ag, 7760 Radolfzell Vorrichtung zum absaugen von fluessigkeiten
GB2118251A (en) * 1982-04-01 1983-10-26 George Thomas Richard Campbell Pressure differential liquid transfer system
JPH03138500A (ja) * 1989-10-17 1991-06-12 Daiei Shokai:Kk 真空式システムポンプ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2446319C2 (ru) * 2010-02-18 2012-03-27 Федеральное государственное научное учреждение Всероссийский научно-исследовательский институт систем орошения и сельхозводоснабжения "Радуга" (ФГНУ ВНИИ "Радуга") Сифон
CN103939661A (zh) * 2014-04-23 2014-07-23 淮南矿业(集团)有限责任公司 水环真空泵用补水桶以及水环真空泵系统

Also Published As

Publication number Publication date
JPH10252686A (ja) 1998-09-22
JP2987617B2 (ja) 1999-12-06
AU3277197A (en) 1998-09-29

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