WO1985001087A1 - Interrupteur a flotteur, en particulier pour systemes de pompes plongeantes - Google Patents

Interrupteur a flotteur, en particulier pour systemes de pompes plongeantes Download PDF

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Publication number
WO1985001087A1
WO1985001087A1 PCT/DE1984/000182 DE8400182W WO8501087A1 WO 1985001087 A1 WO1985001087 A1 WO 1985001087A1 DE 8400182 W DE8400182 W DE 8400182W WO 8501087 A1 WO8501087 A1 WO 8501087A1
Authority
WO
WIPO (PCT)
Prior art keywords
float
buoyancy
length
sectional dimensions
switch according
Prior art date
Application number
PCT/DE1984/000182
Other languages
German (de)
English (en)
Inventor
Wolfgang Kliemt
Original Assignee
Blum, Albert
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 Blum, Albert filed Critical Blum, Albert
Publication of WO1985001087A1 publication Critical patent/WO1985001087A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged

Definitions

  • the invention relates to a Schuimmerscha Iter, as is required in particular for submersible pump units with an electric motor and a coupled, immersed in the pumped pump and a level-dependent motor that can be switched on and off.
  • a Schuimmerscha Iter as is required in particular for submersible pump units with an electric motor and a coupled, immersed in the pumped pump and a level-dependent motor that can be switched on and off.
  • Pump units of the type mentioned are generally provided with switching devices which are controlled by a float which can be raised and lowered on the outside of the pump housing.
  • the float can be connected to the pump housing via a swivel arm or can sit at the end of a flexible cable that is firmly connected to the housing. In both cases the swimmer needs to move
  • the invention is based on the object of providing a float switch which, in the first place, allows the switching accuracy and switching reliability of conventional float switches to be increased and can easily be attached to pumps or pump units at the same time without significantly increasing the bulk of such devices.
  • the invention provides for solving this problem in a float switch of the type mentioned, which can be used in particular for pump units of the type mentioned above and has a buoyancy body or float controlling an electrical switch, that the buoyancy body or float relates to one on the Auftri ebsricht comparatively large-volume lower part of short length and an attached upper part with small cross-sectional dimensions compared to its length.
  • Such a float can be formed from two preferably coaxial cylindrical bodies, one of which has a large diameter compared to its length, while the other has a length that exceeds the diameter many times over.
  • the elongated float part can be in direct contact with the actuating element of an electrical switch that can be controlled by pressure, such as the switching lever of a microswitch, and can control it directly by itself serving as a control key.
  • the float is therefore not only a buoyancy element but also a control element for the switch of the switch.
  • the main buoyancy is applied by the large-volume lower part and the elongated upper part allows an increased switching accuracy to be achieved.
  • Such training favors an exact position of the switching points.
  • An exact setting of the switching points for the switching on and off device of the connected device can also be influenced by giving the elongated part of the float body with the small cross-sectional dimensions sections with different cross-sectional dimensions adapted to the respective requirements, which are distributed over its length.
  • a rod-like part which serves as an actuating key for the electrical switch of the device, which is preferably designed as a hollow body, and on this rod-shaped part On additional drive body slidably and preferably arrange clampable.
  • the buoyancy body or float should expediently be accommodated in a float switch chamber which is prepared for easy attachment to the housing of a pump unit and has an elongated prismatic shape with small cross-sectional dimensions transverse to the direction of buoyancy of the
  • a float switch as described above is also particularly suitable for being integrated into the pump housing in order to keep the accommodation space as small as possible and to avoid any bulkiness.
  • Fig. 2 shows the embodiment shown in Fig. 1 in plan
  • Fig. 3 shows a modified floor plan.
  • a sieve 14 is arranged on the underside of the housing which passes through the pumped medium into the suction chamber 15 upstream of the suction opening 121 of the pump.
  • a chamber 16 is arranged laterally next to the chamber accommodating the motor 13 and extends from the suction chamber 15 upwards to the upper end of the pump unit 11.
  • a float 17 is arranged, which extends from the suction chamber 15 into the upper part 111 of the pump housing 11.
  • this float In relation to the direction of buoyancy, this float has a short, large-volume part 171 with large cross-sectional dimensions, which is located in the suction chamber of the pump, and an elongated part 172 with small cross-sectional dimensions, which serves as an actuating key for a switching device 19.
  • This switching device 19 is housed in the upper part 111 of the pump housing 11 and has a release lever 191, against which the part 172 of the float serving as an actuating plunger bears.
  • a float is assumed which is composed of cylindrical parts 171 and 172.
  • the float can, as can be seen from the modified plan according to FIG. 3, a shape 37 which deviates from the cylindrical shape in its lower part if the dimensions of the pump unit are to be kept as small as possible.
  • the large-volume lower part 171 of the float 17 brings the main lift, while the elongated upper part determines the exact switching point due to its dimensions.
  • the switching point can be influenced by making the cross-sectional dimensions of the elongated part 172 different over the length of this part.
  • a particularly good and easily adjustable influencing of the switching point can be achieved by means of an additional drive body 173 which is displaceable and clampable on the elongated part 172.
  • a further chamber 20 is provided in addition to the float chamber 16 in order to connect the pump outlet to the connection of the delivery line 201.
  • This chamber 20 receives a check valve 202 (FIG. 2) or 303 (FIG. 3).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Dans un interrupteur à flotteur, qui est doté en particulier pour des systèmes de pompes plongeantes d'un moteur électrique connectable et déconnectable en fonction du niveau et d'une pompe couplée à celui-ci et plongeant dans le liquide à refouler et qui comporte un corps de force ascensionnelle ou flotteur commandant un commutateur électrique, ledit corps de force ascensionnelle ou flotteur se compose d'une partie inférieure plus courte et d'un grand volume par rapport à la direction ascensionnelle et d'une partie supérieure jointe de dimensions transversales réduites par rapport à sa longueur, cette partie allongée commandant de préférence, à la façon d'un poussoir d'actionnement, directement l'élément d'actionnement d'un commutateur électrique, en particulier d'un microrupteur.
PCT/DE1984/000182 1983-09-06 1984-09-05 Interrupteur a flotteur, en particulier pour systemes de pompes plongeantes WO1985001087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833332050 DE3332050A1 (de) 1983-09-06 1983-09-06 Pumpenaggregat
DEP3332050.0 1983-09-06

Publications (1)

Publication Number Publication Date
WO1985001087A1 true WO1985001087A1 (fr) 1985-03-14

Family

ID=6208324

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1984/000182 WO1985001087A1 (fr) 1983-09-06 1984-09-05 Interrupteur a flotteur, en particulier pour systemes de pompes plongeantes

Country Status (3)

Country Link
EP (1) EP0153951A1 (fr)
DE (1) DE3332050A1 (fr)
WO (1) WO1985001087A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2780266C1 (ru) * 2022-02-04 2022-09-21 Публичное акционерное общество "Татнефть" имени В.Д. Шашина Скважинная насосная установка

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710318A1 (de) * 1987-03-28 1988-10-06 Klein Schanzlin & Becker Ag Einrichtung zum niveauabhaengigen ein- und ausschalten einer kreiselpumpe
DE4304634B4 (de) * 1993-02-16 2005-12-15 Siemens Ag Pumpenfilter mit Füllstandssensorvorrichtung
DE19507010A1 (de) * 1995-02-28 1996-08-29 Abs Pumps Ltd Tauchmotorpumpe mit Schwimmerschalter
DE29711534U1 (de) * 1997-03-06 1998-08-27 Elektra Beckum Ag Tauchpumpe
DE10043624A1 (de) * 2000-09-05 2002-03-28 Bosch Gmbh Robert Vorrichtung zur Förderung von Hydrauliköl, Schmieröl oder dergleichen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130293B (de) * 1959-12-29 1962-05-24 W Dan Bergman Ab Eintauchentwaesserungspumpe mit Schwimmerschalteinrichtung im Fluessigkeitskanal
US3717421A (en) * 1970-10-09 1973-02-20 Franklin Electric Co Inc Apparatus and method for a liquid level sensor
US3758236A (en) * 1971-10-14 1973-09-11 March Manuf Co Condensate pump
US4050396A (en) * 1974-12-30 1977-09-27 Ridgeway Rex L Portable water bailing device for a boat

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829598A (en) * 1956-08-23 1958-04-08 March Mfg Co Condensate pump and control means
US2981196A (en) * 1959-04-27 1961-04-25 March Mfg Co Condensate pump and control means
DE1897047U (de) * 1962-01-18 1964-07-23 Siegel & Tiefenbach Von einem schwimmer gesteuerte schaltvorrichtung.
DE1286609B (de) * 1962-08-03 1969-01-09 Licentia Gmbh Schwimmer-Schalteinrichtung
US3316845A (en) * 1965-07-28 1967-05-02 Alfred F Schumann Bilge pump
US3717420A (en) * 1970-12-03 1973-02-20 Zurn Ind Inc Bilge pump
US3897176A (en) * 1972-05-01 1975-07-29 George B Emeny Adjustable sump pump
US3999890A (en) * 1974-04-12 1976-12-28 Niedermeyer Karl O Enclosed sump pump
FR2340228A1 (fr) * 1976-02-04 1977-09-02 Seim Bouchon a contact pour reservoir de liquide
US4275995A (en) * 1979-01-10 1981-06-30 Taylor Thomas K Bilge pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130293B (de) * 1959-12-29 1962-05-24 W Dan Bergman Ab Eintauchentwaesserungspumpe mit Schwimmerschalteinrichtung im Fluessigkeitskanal
US3717421A (en) * 1970-10-09 1973-02-20 Franklin Electric Co Inc Apparatus and method for a liquid level sensor
US3758236A (en) * 1971-10-14 1973-09-11 March Manuf Co Condensate pump
US4050396A (en) * 1974-12-30 1977-09-27 Ridgeway Rex L Portable water bailing device for a boat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2780266C1 (ru) * 2022-02-04 2022-09-21 Публичное акционерное общество "Татнефть" имени В.Д. Шашина Скважинная насосная установка

Also Published As

Publication number Publication date
DE3332050C2 (fr) 1988-05-05
EP0153951A1 (fr) 1985-09-11
DE3332050A1 (de) 1985-04-04

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Designated state(s): AT BE CH FR GB LU NL SE