EP2309133B1 - Agrégat de pompes submersibles - Google Patents

Agrégat de pompes submersibles Download PDF

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Publication number
EP2309133B1
EP2309133B1 EP09012552.7A EP09012552A EP2309133B1 EP 2309133 B1 EP2309133 B1 EP 2309133B1 EP 09012552 A EP09012552 A EP 09012552A EP 2309133 B1 EP2309133 B1 EP 2309133B1
Authority
EP
European Patent Office
Prior art keywords
submersible pump
control device
pump assembly
drive motor
designed
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.)
Active
Application number
EP09012552.7A
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German (de)
English (en)
Other versions
EP2309133A1 (fr
Inventor
Jens Andresen
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.)
Grundfos Management AS
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Grundfos Management AS
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
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Application filed by Grundfos Management AS filed Critical Grundfos Management AS
Priority to EP09012552.7A priority Critical patent/EP2309133B1/fr
Priority to US13/499,949 priority patent/US9103344B2/en
Priority to CN201080044816.4A priority patent/CN102575679B/zh
Priority to PCT/EP2010/005389 priority patent/WO2011042096A1/fr
Publication of EP2309133A1 publication Critical patent/EP2309133A1/fr
Application granted granted Critical
Publication of EP2309133B1 publication Critical patent/EP2309133B1/fr
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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
    • 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
    • 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
    • F04D15/0088—Testing machines
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/80—Diagnostics

Definitions

  • the invention relates to a submersible pump unit with an electric drive motor.
  • submersible pump units with electric drive motor, which have an electronic control or regulating device for operating the electric drive motor, which is arranged directly on the submersible electric drive motor.
  • These submersible pump units require only one electrical power supply line, which leads into the pump sump. However, they offer no control or monitoring options from the outside.
  • submersible pump units which have an external control or regulating device which is arranged outside the pump sump and which is connected via an electrical connection line with the immersed drive motor in the pump sump.
  • sensors such as level sensors in the sump are required to operate this submersible pump unit, they must also be connected via electrical lines to the control or regulating device outside the pump sump, so that numerous line connections are required.
  • US 6,167,965 B1 discloses an electric submersible pump having a plurality of sensors, the sensors having one outside a well or borehole arranged control device communicate via the supply cable of the electric motor of the submersible pump.
  • the submersible pump unit according to the invention has an electric drive motor and a control device for controlling or controlling the drive motor. Both the drive motor and this control device are designed for immersion in a liquid to be conveyed.
  • the control device is preferably arranged directly on the drive motor or integrated with this in a motor or pump housing.
  • an external display device and / or an external communication device are furthermore provided, which are designed for arrangement at the base level, ie outside the liquid to be conveyed.
  • the display device may for example have indicator lights or a display, via which operating states, and in particular errors of the submersible pump unit can be signaled.
  • An external communication device can serve, for example, to connect sensors arranged outside the liquid to be conveyed or to connect the submersible pump assembly to further monitoring or control systems in order, for example, to forward error messages to central monitoring systems.
  • the external display device or the external communication device, which also as an integrated Device can be formed, are connected to the control device for signal transmission, in particular via a line.
  • the control device which controls or controls the drive motor of the submersible pump is arranged directly on the drive motor and immersed in the fluid to be conveyed together with the pump and the drive motor.
  • this submerged control device is connected for signal transmission with a display device or communication device to be arranged outside the liquid to be conveyed.
  • At least one sensor connected to the control device is present.
  • This sensor is preferably also immersed in the liquid to be conveyed and more preferably also in the submersible part of the submersible pump unit, d. H. integrated part formed by submersible pump, drive motor and control device.
  • Such a sensor may, for example, be a level switch which is used to switch the submersible pump unit on and / or off depending on the fluid level. Due to the arrangement of the control device and the sensor in the liquid to be conveyed, the effort to connect these elements with one another is significantly reduced, since no line from a submerged sensor to a control or regulating device arranged outside the liquid is required.
  • control device is configured such that the control device controls the drive motor on the basis of an output signal of the at least one sensor.
  • the sensor can like described, for example, be a level or float switch, which provides to the control device, a signal representing the liquid level, in response, the control device of the drive motor on and / or off.
  • the display device preferably has at least one signal device, in particular a signal lamp.
  • a signal device such as, for example, an acoustic signal device can be used to signal errors of the pump unit outside of the liquid to be delivered at baseline.
  • a signal lamp may light up when the submersible pump unit is not operating or not operating as intended, for example when the drive motor has failed or the impeller of the pump is blocked.
  • the external display device and / or the external communication device is connected to the control device via an electrical cable.
  • This electrical cable can be a cable for pure signal transmission, so that it can also be designed as a low-voltage cable. In this respect, it is possible to design such an electrical cable so that no particularly high demands on the electronic security must be made.
  • the electrical power supply for operating the drive motor via a separate power cord.
  • the control device and the display device and / or the communication device are designed such that via the electrical cable between the control device and external display device and / or external communication device data transmission in the manner of a data transmission via power cables (power line communication ) he follows. So can a data transmission signal a carrier signal to be modulated to transmit various data or information for the electrical cable, without this electrical cable would have numerous electrical conductors. Thus, a simple data communication can be achieved. Since this data transmission takes place independently of the mains connection line of the drive motor, disturbances in the power network generated by the data transmission can be avoided. In this respect can be dispensed with costly additional circuits to prevent disturbances in the power grid.
  • the control device has at least one electrical or electronic switch for switching the display device on and off.
  • the display device may, for example, be a signal lamp, which is switched on and off via such a switch by the control device, which is immersed in the liquid to be delivered with the pump and the drive motor.
  • control device and the communication device are designed such that a data transmission between control device and communication device and / or vice versa via an electrical cable, which also connects the control device with the display device.
  • an electrical cable which also connects the control device with the display device.
  • the two electrical conductors which connects the signal lamp with the control device or a switch arranged in this are used in addition to the electrical energy to operate the signal lamp via these conductors data to the communication device or the communication device to the control device to transmit.
  • a carrier signal which is formed by the operating voltage for the signal lamp, a data transmission signal can be modulated.
  • the communication device and / or the display device are designed for connection to a plurality of control devices of a plurality of submersible pump units.
  • a central monitoring of several submersible pump units by means of a single display and / or communication device is possible.
  • each of the submersible pump units has its own control device arranged on the drive motor, which controls the operation of the drive motor.
  • Via the common communication device a communication of the individual control devices is possible with each other, so that a networked operation of several submersible pump units is possible, for example, to switch on or off the submersible pumps as needed.
  • the submersible pump unit is designed for autonomous operation independently of external control and / or sensor devices.
  • sensors are preferably integrated directly into the control device or else also directly on the submersible part of the submersible pump unit, ie preferably arranged directly on the drive motor.
  • These are in particular level switches for switching on and off the submersible pump unit, for example in the form of pressure sensors.
  • no external control device in particular no external control device, which would have to be arranged at the base level outside the liquid to be conveyed, is provided.
  • the submersible pump unit as soon as it is immersed in the liquid to be conveyed, are put into operation, with only a power cord is to be led out of the liquid to be delivered. It is then only a communication or display device outside the liquid to be delivered to arrange.
  • Fig. 1 which first again explains the prior art.
  • a submersible pump 4 consisting of a drive motor and the actual pump is arranged.
  • the submersible pump 4 is connected to an external control device 6, which is arranged outside the pump sump 2, via a line 8.
  • the line 8 serves to supply power to the submersible pump 4 or its drive motor.
  • the switching on and off of the submersible pump 4 takes place via the control device 6.
  • the control device 6, in addition, for example, also a frequency converter for controlling the Drive motor of the submersible pump 4 included.
  • the control device 6 is connected via lines 12 with sensors 10 in the pump sump 2.
  • the sensors 10 may be, for example, pressure sensors, level switches, temperature sensors, etc.
  • the control device 6 controls the submersible pump 4 as a function of the output signals of the sensors 10, in particular switches the control device 6, the submersible pump 4 in response to the signals on and off. It can be seen that here several lines 8 and 12 have to be led out of the sump to the control device 6.
  • the control device 14 is arranged directly on the submersible pump 16 and dives with this in the liquid to be pumped 18 in the pump sump 20 a.
  • the control device 4 can be attached directly to a motor housing 22 of the submersible pump 16 or integrated into this.
  • the control device 14 controls the operation of the drive motor in the interior of the motor housing 22 and then in the submersible pump 16 autonomously, without an external control device arranged outside the pump sump 20 would be required.
  • sensors arranged in the pump sump 20 for example pressure, temperature or level sensors, can be connected to the control device 14.
  • Such sensors can also be arranged directly on or in the submersible pump 16. Since no further signals, switching pulses or the like have to be transmitted via the mains connection line 24, disturbing influences on the power network are avoided.
  • a signal lamp 26 arranged outside the pump sump 20, which forms a display device is provided.
  • This display device or signal lamp 26 can indicate the operating state of the submersible pump 16 outside the pump sump, for example, light up, when the pump is in operation, or for example light up or light up in a different color to signal a failure of the submersible pump 16, such as a blockage of the impeller.
  • the signal lamp 26 is controlled by the control device 14 or in particular switched on and off.
  • the signal lamp 26 via an electrical cable 28, which is shown here as a three-core cable, connected.
  • a similar alternative embodiment is in Fig. 3 shown.
  • the submersible pump 16 is autonomously controlled or regulated by the control device 14, wherein the control device 14 optionally processes signals from sensors and controls the submersible pump 16 in response to these signals.
  • the sensors can detect, for example, temperature, liquid level and / or pressure and are preferably also integrated in the submersible pump 16 or arranged directly on this.
  • To the communication device 30 can signal or display devices, for example, a signal lamp according to the embodiment in Fig. 2 be connected.
  • the communication device 30 may interface with external monitoring or control systems, such as a central building control or the like.
  • the data transmission between the control device 14 and the communication device 30 via the electric cable 28 preferably takes place, as will be described below, according to the type of data transmission via power cables (powerline communication) while a data transmission signal is modulated onto a carrier signal.
  • a signal lamp 26 and a communication device 30 was associated with a submersible pump 16.
  • a plurality of submersible pumps 16 are each operated or controlled autonomously via an associated control device 14.
  • the communication device 30, which is connected via electrical cables 28 to the individual submersible pumps 16, preferably serves only the communication of the control devices 14 to the outside, for example with display devices or home automation systems to bring there the operating conditions of the individual submersible pumps 16 for display.
  • a communication device 30 is combined with at least one signal lamp 26.
  • the signal lamp 26 is turned on and off by the controller 14 via an electrical switch, such as a relay.
  • powerline communication of the control device 14 and the communication device 30 takes place via this electrical conductor.
  • the operating voltage for the signal lamp 26 can be used as the carrier signal and a data transmission signal can be modulated onto this carrier signal.
  • the control of the submersible pump 16 is autonomous via the directly on the submersible pump 16 and thus also immersed in the liquid 18 control device 14. This communicates with also integrated into the submersible 16 sensors 32 in connection, based on their output signals, the control device 14, the drive motor the submersible pump 16 controls. This corresponds to the embodiments according to Fig. 2 and 3 ,
  • communication modules 34 and 36 are arranged in the control device 14 and the communication device 30.
  • the communication module 34 of the control device 14 is controlled by the actual control module 38, which controls the operation of the submersible pump 16, to send data to the communication module 36 in the communication device 30 via the electric cable 28.
  • an electrical switch in the form of a relay 40 which can bring a third electrical conductor 42 in the electric cable 28 selectively with the first electrical conductor 44 or the second electrical conductor 46 into contact.
  • a signal lamp 26 may be connected either between the terminals 48 and 50 or 50 and 52 of the electric cable 28, depending on which operating condition is to be displayed.
  • the communication device 30 can very simply be a display device in the form of, for example, a signal lamp 26 via one and the same Connecting cable 28 are connected to the control device 14. It is advantageous that this data transfer is completely independent of the power cord 24, so there is no interference of the signal in the power grid. In addition, disturbances in the power supply network can not affect the communication via the electric cable 28.

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

Claims (9)

  1. Agrégat de pompe submersible avec un moteur d'entraînement électrique et un dispositif de commande (14) pour commander le moteur d'entraînement, qui sont adaptés pour être submergés dans un liquide (18) à pomper, ainsi qu'avec
    un dispositif d'affichage externe (26) et/ou un dispositif de communication externe (30), qui sont adaptés pour être disposés en dehors du liquide (18) à pomper et qui sont reliés au dispositif de commande (14) pour la transmission de signaux,
    caractérisé en ce que le dispositif d'affichage externe (26) et/ou le dispositif de communication externe (30) sont reliés au dispositif de commande (14) par un câble électrique (28) distinct du câble d'alimentation du moteur d'entraînement, le dispositif de commande (14) et le dispositif d'affichage (26) et/ou le dispositif de communication (30) étant conçus de façon qu'une transmission de données par le câble électrique (28) soit effectuée selon le mode d'une transmission de données par câble de réseau électrique (« powerline-communication »).
  2. Agrégat de pompe submersible selon la revendication 1, caractérisé en ce qu'il y a au moins un capteur (32) relié au dispositif de commande (14).
  3. Agrégat de pompe submersible selon la revendication 2, caractérisé en ce que le dispositif de commande (14) commande le moteur d'entraînement sur la base d'un signal de sortie du ou des capteurs (32).
  4. Agrégat de pompe submersible selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'affichage comprend au moins un moyen de signalisation, notamment une lampe de signalisation (26).
  5. Agrégat de pompe submersible selon l'une des revendications précédentes, caractérisé en ce que le dispositif de communication (30) est adapté pour une connexion d'au moins un moyen de signalisation, notamment d'une lampe de signalisation.
  6. Agrégat de pompe submersible selon l'une des revendications précédentes, caractérisé en ce que le dispositif de commande (14) comporte au moins un commutateur électrique ou électronique (40) pour la mise en fonctionnement et l'arrêt du dispositif d'affichage (26).
  7. Agrégat de pompe submersible selon l'une des revendications précédentes, caractérisé en ce que le dispositif de commande (14) et le dispositif de communication (30) sont conçus de façon qu'une transmission de données soit effectuée par un câble électrique (28) qui relie le dispositif de commande (14) au dispositif d'affichage (26).
  8. Agrégat de pompe submersible selon l'une des revendications précédentes, caractérisé en ce que le dispositif de communication (30) et/ou le dispositif d'affichage (26) sont conçus pour une connexion avec plusieurs dispositifs de commande (14) de plusieurs agrégats de pompes submersibles (16).
  9. Agrégat de pompe submersible selon la revendication 8, caractérisé en ce que l'agrégat de pompe submersible (16) est conçu pour un fonctionnement autonome indépendant de dispositifs capteurs ou de commande externes.
EP09012552.7A 2009-10-05 2009-10-05 Agrégat de pompes submersibles Active EP2309133B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09012552.7A EP2309133B1 (fr) 2009-10-05 2009-10-05 Agrégat de pompes submersibles
US13/499,949 US9103344B2 (en) 2009-10-05 2010-09-02 Submersible pump assembly
CN201080044816.4A CN102575679B (zh) 2009-10-05 2010-09-02 潜水泵机组
PCT/EP2010/005389 WO2011042096A1 (fr) 2009-10-05 2010-09-02 Unité de pompe à immersion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09012552.7A EP2309133B1 (fr) 2009-10-05 2009-10-05 Agrégat de pompes submersibles

Publications (2)

Publication Number Publication Date
EP2309133A1 EP2309133A1 (fr) 2011-04-13
EP2309133B1 true EP2309133B1 (fr) 2015-07-15

Family

ID=41558540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09012552.7A Active EP2309133B1 (fr) 2009-10-05 2009-10-05 Agrégat de pompes submersibles

Country Status (4)

Country Link
US (1) US9103344B2 (fr)
EP (1) EP2309133B1 (fr)
CN (1) CN102575679B (fr)
WO (1) WO2011042096A1 (fr)

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EP2412981B1 (fr) * 2010-07-30 2016-05-04 Grundfos Management A/S Système de pompe
US9523366B2 (en) 2013-11-26 2016-12-20 Beacon Technical Systems, Llc Test and monitoring system for a sump pump installation having a self-protecting valve assembly for admitting water to the sump container
US9528512B2 (en) 2013-11-26 2016-12-27 Beacon Technical Systems, Llc Test and monitoring system for a battery-powered DC pump installation
US9528873B2 (en) 2013-11-26 2016-12-27 Beacon Technical Systems, Llc Test and monitoring system for a sump pump installation having a self-monitoring liquid level sensing module
US9528522B2 (en) 2013-11-26 2016-12-27 Beacon Technical Systems, Llc Test and monitoring system for a sump pump installation having a self-monitoring valve module for admitting water to the sump pit
US9534606B2 (en) 2013-11-26 2017-01-03 Beacon Technical Systems, Llc Test and monitoring system for a sump pump installation including trend analysis of pump performance
US9525309B2 (en) 2013-11-26 2016-12-20 Beacon Technical Systems, Llc Battery-powered backup power system for a sump pump installation
US9528520B2 (en) 2013-11-26 2016-12-27 Beacon Technical Systems, Llc Test and monitoring system for a dual sump pump system
US9534593B2 (en) * 2013-11-26 2017-01-03 Beacon Technical Systems, Llc Test and monitoring system for a sump pump installation operable from a remote location
US9528523B2 (en) 2013-11-26 2016-12-27 Beacon Technical Systems, Llc Test and monitoring system for a sump pump installation having a variable test cycle time out
US10711788B2 (en) 2015-12-17 2020-07-14 Wayne/Scott Fetzer Company Integrated sump pump controller with status notifications
CN106050682A (zh) * 2016-05-31 2016-10-26 常州联力自动化科技有限公司 智能一体化潜水泵和防高温方法和防进水方法和控制系统
EP3315784B1 (fr) * 2016-10-25 2022-10-12 Grundfos Holding A/S Groupe de pompage submersible et procédé de fonctionnement d'un groupe de pompage submersible
USD893552S1 (en) 2017-06-21 2020-08-18 Wayne/Scott Fetzer Company Pump components
USD890211S1 (en) 2018-01-11 2020-07-14 Wayne/Scott Fetzer Company Pump components
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IT201900012879A1 (it) * 2019-07-25 2021-01-25 Dab Pumps Spa Dispositivo per la rilevazione del livello di un pozzo/serbatoio ed elettropompa ad immersione con tale dispositivo

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CN201292953Y (zh) 2008-08-12 2009-08-19 曾凡苏 内置控制器潜水泵

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Publication number Priority date Publication date Assignee Title
EP0507274A2 (fr) 1991-04-04 1992-10-07 Baker Hughes Incorporated Protection pour pompe submersible en milieu hostile
EP0733883A1 (fr) 1995-03-24 1996-09-25 KSB Aktiengesellschaft Unité de capteur
US6167965B1 (en) 1995-08-30 2001-01-02 Baker Hughes Incorporated Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores
US6139281A (en) 1998-03-24 2000-10-31 Schooler; Paul T. Sump pump alarm system utilizing a doorbell chime
DE19927365A1 (de) 1998-07-02 2000-02-24 Ifm Electronic Gmbh Verfahren zum Steuern des Pegels eines fließfähigen Mediums
US6587037B1 (en) 1999-02-08 2003-07-01 Baker Hughes Incorporated Method for multi-phase data communications and control over an ESP power cable
US20050110655A1 (en) 1999-02-08 2005-05-26 Layton James E. RF communication with downhole equipment
WO2007014638A1 (fr) 2005-07-29 2007-02-08 Grundfos Management A/S Procede de transmission de donnees entre un ensemble de pompe et un dispositif de commande ; systeme de pompe de conception correspondante
CN201292953Y (zh) 2008-08-12 2009-08-19 曾凡苏 内置控制器潜水泵

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EP2309133A1 (fr) 2011-04-13
CN102575679A (zh) 2012-07-11
WO2011042096A1 (fr) 2011-04-14
CN102575679B (zh) 2016-01-20
US20120230852A1 (en) 2012-09-13
US9103344B2 (en) 2015-08-11

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