EP2309133A1 - Submersible pump power unit - Google Patents

Submersible pump power unit Download PDF

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Publication number
EP2309133A1
EP2309133A1 EP09012552A EP09012552A EP2309133A1 EP 2309133 A1 EP2309133 A1 EP 2309133A1 EP 09012552 A EP09012552 A EP 09012552A EP 09012552 A EP09012552 A EP 09012552A EP 2309133 A1 EP2309133 A1 EP 2309133A1
Authority
EP
European Patent Office
Prior art keywords
submersible pump
control device
pump unit
unit according
drive motor
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
Application number
EP09012552A
Other languages
German (de)
French (fr)
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EP2309133B1 (en
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
Original Assignee
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.)
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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/en
Priority to CN201080044816.4A priority patent/CN102575679B/en
Priority to US13/499,949 priority patent/US9103344B2/en
Priority to PCT/EP2010/005389 priority patent/WO2011042096A1/en
Publication of EP2309133A1 publication Critical patent/EP2309133A1/en
Application granted granted Critical
Publication of EP2309133B1 publication Critical patent/EP2309133B1/en
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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.
  • 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 supplies to the control device, a signal representing the liquid level, depending on 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 preferably 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 can be done 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 via a data transfer data transmission Power cable (power line communication) takes place. 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.
  • Power cable power line communication
  • 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 turn on or off the submersible pumps demand.
  • 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.

Abstract

The immersed pump assembly has an electrical drive motor and a control unit (14) for controlling the drive motor, where the drive motor and the control unit are formed for immersion in a fluid (18). An external display unit (26) or an external communication unit is formed for the arrangement outside of the liquid to be conveyed and is connected with the control unit for signal transmission.

Description

Die Erfindung betrifft ein Tauchpumpenaggregat mit einem elektrischen Antriebsmotor.The invention relates to a submersible pump unit with an electric drive motor.

Im Stand der Technik sind grundsätzlich zwei Arten von Tauchpumpenaggregaten bekannt. Es gibt Tauchpumpenaggregate mit elektrischem Antriebsmotor, welche eine elektronische Steuer- oder Regeleinrichtung zum Betrieb des elektrischen Antriebsmotors aufweisen, welche direkt an dem eintauchbaren elektrischen Antriebsmotor angeordnet ist. Diese Tauchpumpenaggregate benötigen nur eine elektrische Netzanschlussleitung, welche in den Pumpensumpf führt. Allerdings bieten sie keinerlei Kontroll- oder Überwachungsmöglichkeiten von außen.In the prior art, basically two types of submersible pump units are known. There are 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.

Darüber hinaus sind Tauchpumpenaggregate bekannt, welche eine externe Steuer- bzw. Regeleinrichtung aufweisen, welche außerhalb des Pumpensumpfes angeordnet wird und welche über eine elektrische Anschlussleitung mit dem eingetauchten Antriebsmotor im Pumpensumpf verbunden ist. Im Fall, dass zum Betrieb dieses Tauchpumpenaggregates noch Sensoren, wie beispielsweise Niveausensoren im Pumpensumpf erforderlich sind, müssen diese ebenfalls über elektrische Leitungen mit der Steuer- bzw. Regeleinrichtung außerhalb des Pumpensumpfes verbunden werden, sodass zahlreiche Leitungsverbindungen erforderlich sind.In addition, submersible pump units are known, 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. In the event that 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.

Im Hinblick auf diesen Stand der Technik ist es Aufgabe der Erfindung, ein vereinfachtes Tauchpumpenaggregat bereitzustellen, welches mit wenigen Leitungsverbindungen angeschlossen werden kann und darüber hinaus die Möglichkeit bietet, den Betrieb des Tauchpumpenaggregates auf Grundniveau, d. h. außerhalb des Pumpensumpfes oder Bohrloches, in welche der Antriebsmotor eingetaucht ist, zu überwachen.In view of this prior art, it is an object of the invention to provide a simplified submersible pump unit, which with few line connections can be connected and also offers the possibility to monitor the operation of the submersible pump unit at ground level, ie outside the pump sump or borehole in which the drive motor is immersed.

Diese Aufgabe wird durch ein Tauchpumpenaggregat mit den im Anspruch 1 angegebenen Merkmalen gelöst. Bevorzugte Ausführungsformen ergeben sich aus den Unteransprüchen, der nachfolgenden Beschreibung sowie den beigefügten Figuren.This object is achieved by a submersible pump unit with the features specified in claim 1. Preferred embodiments will become apparent from the subclaims, the following description and the accompanying figures.

Das erfindungsgemäße Tauchpumpenaggregat weist einen elektrischen Antriebsmotor und eine Steuereinrichtung zur Regelung bzw. Steuerung des Antriebsmotors auf. Sowohl der Antriebsmotor als auch diese Steuereinrichtung sind zum Eintauchen in eine zu fördernde Flüssigkeit ausgebildet. Die Steuereinrichtung ist bevorzugt direkt an den Antriebsmotor angeordnet oder mit diesem in ein Motor- oder Pumpengehäuse integriert.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.

Erfindungsgemäß ist darüber hinaus eine externe Anzeigeeinrichtung und/oder eine externe Kommunikationseinrichtung vorgesehen, welche zur Anordnung auf Grundniveau, d. h. außerhalb der zu fördernden Flüssigkeit ausgebildet sind. Die Anzeigeeinrichtung kann beispielsweise Kontrollleuchten oder ein Display aufweisen, über welches Betriebszustände, und insbesondere Fehler des Tauchpumpenaggregates signalisiert werden können. Eine externe Kommunikationseinrichtung kann beispielsweise dazu dienen, außerhalb der zu fördernden Flüssigkeit angeordnete Sensoren anzuschließen oder aber das Tauchpumpenaggregat mit weiteren Überwachungs- oder Regelungssystemen zu verbinden, um beispielsweise Fehlermeldungen an zentrale Überwachungssysteme weiterleiten zu können. Die externe Anzeigeeinrichtung bzw. die externe Kommunikationseinrichtung, welche auch als eine integrierte Einrichtung ausgebildet sein können, sind mit der Steuereinrichtung zur Signalübertragung, insbesondere über eine Leitung verbunden. Das heißt, erfindungsgemäß ist die Steuereinrichtung, welche den Antriebsmotor der Tauchpumpe steuert bzw. regelt direkt an dem Antriebsmotor angeordnet und gemeinsam mit der Pumpe und dem Antriebsmotor in die zu fördernde Flüssigkeit eingetaucht. Auf diese Weise entfällt der Verdrahtungsaufwand zwischen einer externen Steuer- bzw. Regeleinrichtung und dem Antriebsmotor, vielmehr ist eine einfache Netzanschlussleitung ausreichend, welche nach außen führt. Um dennoch eine Kommunikation nach außen, insbesondere eine Anzeige von Fehlern außerhalb der zu fördernden Flüssigkeit zu ermöglichen, ist diese eingetauchte Steuereinrichtung zur Signalübertragung mit eine außerhalb der zu fördernden Flüssigkeit anzuordnenden Anzeigeeinrichtung bzw. Kommunikationseinrichtung verbunden.According to the invention, 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. That is, according to the invention, 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. In this way, eliminating the wiring effort between an external control or regulating device and the drive motor, but a simple power cord is sufficient, which leads to the outside. In order nevertheless to enable communication to the outside, in particular an indication of errors outside the liquid to be conveyed, 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.

Bevorzugt ist zumindest ein mit der Steuereinrichtung verbundener Sensor vorhanden. Dieser Sensor ist vorzugsweise ebenfalls in die zu fördernde Flüssigkeit eingetaucht und weiter bevorzugt ebenfalls in den eintauchbaren Teil des Tauchpumpenaggregates, d. h. den von Tauchpumpe, Antriebsmotor und Steuereinrichtung gebildeten Teil integriert. Ein solcher Sensor kann beispielsweise ein Niveauschalter sein, welcher dazu verwendet wird, das Tauchpumpenaggregat abhängig vom Flüssigkeitsstand ein- und/oder auszuschalten. Durch die Anordnung der Steuereinrichtung und des Sensors in der zu fördernden Flüssigkeit wird der Aufwand, diese Elemente miteinander zu verbinden, deutlich reduziert, da keine Leitung von einem eingetauchten Sensor zu einer außerhalb der Flüssigkeit angeordneten Steuer- oder Regeleinrichtung benötigt wird.Preferably, 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.

Es ist bevorzugt, dass die Steuereinrichtung derart ausgestaltet ist, dass die Steuereinrichtung den Antriebsmotor auf Grundlage eines Ausgangssignals des zumindest einen Sensors steuert. Der Sensor kann wie beschrieben beispielsweise ein Niveau- oder Schwimmerschalter sein, welcher an die Steuereinrichtung ein den Flüssigkeitsstand repräsentierendes Signal liefert, in dessen Abhängigkeit die Steuereinrichtung des Antriebsmotors ein und/oder ausschaltet.It is preferred that the 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 supplies to the control device, a signal representing the liquid level, depending on the control device of the drive motor on and / or off.

Die Anzeigeeinrichtung weist vorzugsweise zumindest eine Signaleinrichtung, insbesondere ein Signallampe auf. Eine solche Signaleinrichtung, wie beispielsweise auch eine akustische Signaleinrichtung kann dazu verwendet werden Fehler des Pumpenaggregates außerhalb der zu fördernden Flüssigkeit auf Grundniveau zu signalisieren. So kann beispielsweise eine Signallampe aufleuchten, wenn das Tauchpumpenaggregat nicht oder nicht wie vorgesehen arbeitet, beispielsweise wenn der Antriebsmotor ausgefallen ist oder das Laufrad der Pumpe blockiert.The display device preferably has at least one signal device, in particular a signal lamp. Such 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. For example, 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.

Die externe Anzeigeeinrichtung und/oder die externe Kommunikationseinrichtung ist mit der Steuereinrichtung bevorzugt über ein elektrisches Kabel verbunden. Dieses elektrische Kabel kann ein Kabel zur reinen Signalübertragung sein, so dass dieses auch als Niederspannungskabel ausgeführt werden kann. Insofern ist es möglich, ein solches elektrisches Kabel so auszugestalten, dass keine besonders hohen Anforderungen an die elektronische Sicherheit gestellt werden müssen. Die elektrische Energieversorgung zum Betrieb des Antriebsmotors kann über ein separates Netzkabel erfolgen.The external display device and / or the external communication device is preferably 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 can be done via a separate power cord.

Auch wenn das elektrische Kabel kein Netzkabel ist, ist es bevorzugt, dass die Steuereinrichtung sowie die Anzeigeeinrichtung und/oder die Kommunikationseinrichtung derart ausgebildet sind, dass über das elektrische Kabel zwischen Steuereinrichtung und externer Anzeigeeinrichtung und/oder externer Kommunikationseinrichtung eine Datenübertragung nach Art einer Datenübertragung über Stromnetzkabel (Powerline-Communikation) erfolgt. So kann ein Datenübertragungssignal einem Trägersignal aufmoduliert werden, um verschiedene Daten oder Informationen für das elektrische Kabel zu übertragen, ohne dass dieses elektrische Kabel zahlreiche elektrische Leiter aufweisen müsste. Es kann somit eine einfache Datenkommunikation erreicht werden. Da diese Datenübertragung unabhängig von der Netzanschlussleitung des Antriebsmotors erfolgt, können durch die Datenübertragung erzeugte Störungen im Stromnetz vermieden werden. Insofern kann auf aufwändige Zusatzschaltungen zur Verhinderung von Störungen im Stromnetz verzichtet werden.Even if the electrical cable is not a power cable, it is preferred that 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 via a data transfer data transmission Power cable (power line communication) takes place. 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.

Gemäß einer weiteren bevorzugten Ausführungsform weist die Steuereinrichtung zumindest einen elektrischen oder elektronischen Schalter zum Ein- und Ausschalten der Anzeigeeinrichtung auf. Wie ausgeführt kann die Anzeigeeinrichtung im einfachsten Fall beispielsweise eine Signallampe sein, welche über einen solchen Schalter von der Steuereinrichtung, welche mit der Pumpe und dem Antriebsmotor in die zu fördernde Flüssigkeit eingetaucht ist, ein- und ausgeschaltet wird.According to a further preferred embodiment, the control device has at least one electrical or electronic switch for switching the display device on and off. As stated, in the simplest case, 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.

Gemäß einer weiteren bevorzugten Ausführungsform sind die Steuereinrichtung und die Kommunikationseinrichtung derart ausgebildet, dass eine Datenübertragung zwischen Steuereinrichtung und Kommunikationseinrichtung und/oder umgekehrt über ein elektrisches Kabel erfolgt, welches ebenfalls die Steuereinrichtung mit der Anzeigeeinrichtung verbindet. So können beispielsweise bei Verwendung einer Signallampe die beiden elektrischen Leiter, welche die Signallampe mit der Steuereinrichtung bzw. einem in dieser angeordneten Schalter verbindet, dazu benutzt werden, um zusätzlich zu der elektrischen Energie zum Betrieb der Signallampe über diese Leiter Daten zu der Kommunikationseinrichtung oder von der Kommunikationseinrichtung zu der Steuereinrichtung zu übertragen. So kann einem Trägersignal, welches von der Betriebsspannung für die Signallampe gebildet wird ein Datenübertragungssignal aufmoduliert werden.According to a further preferred embodiment, the 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. Thus, for example, when using a signal lamp, 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. Thus, a carrier signal, which is formed by the operating voltage for the signal lamp, a data transmission signal can be modulated.

Gemäß einer weiteren bevorzugten Ausführungsform sind die Kommunikationseinrichtung und/oder die Anzeigeeinrichtung zur Verbindung mit mehreren Steuereinrichtungen mehrerer Tauchpumpenaggregate ausgebildet. So ist eine Zentralüberwachung mehrerer Tauchpumpenaggregate mit Hilfe einer einzigen Anzeige- und/oder Kommunikationseinrichtung möglich. Jedes der Tauchpumpenaggregate weist aber eine eigene am Antriebsmotor angeordnete Steuereinrichtung auf, welche den Betrieb des Antriebsmotors steuert. Über die gemeinsame Kommunikationseinrichtung ist dabei auch eine Kommunikation der einzelnen Steuereinrichtungen untereinander möglich, sodass ein vernetzter Betrieb mehrerer Tauchpumpenaggregate möglich wird, beispielsweise um die Tauchpumpen bedarfsabhängig zu- oder abzuschalten.According to a further preferred embodiment, 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. Thus, a central monitoring of several submersible pump units by means of a single display and / or communication device is possible. However, 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 turn on or off the submersible pumps demand.

Bevorzugt ist das Tauchpumpenaggregat zum autonomen Betrieb unabhängig von externen Steuer- und/oder Sensoreinrichtungen ausgebildet. D. h. erforderliche Sensoren sind bevorzugt direkt in die Steuereinrichtung integriert oder aber ebenfalls direkt am eintauchbaren Teil des Tauchpumpenaggregates, d. h. vorzugsweise direkt am Antriebsmotor angeordnet. Dies sind insbesondere Niveauschalter zum Ein- und Ausschalten des Tauchpumpenaggregates, beispielsweise in Form von Drucksensoren. Ferner ist keine externe Steuereinrichtung, insbesondere keine externe Steuereinrichtung, welche auf Grundniveau außerhalb der zu fördernden Flüssigkeit angeordnet werden müsste, vorgesehen. So kann das Tauchpumpenaggregat, sobald es in die zu fördernde Flüssigkeit eingetaucht ist, in Betrieb genommen werden, wobei lediglich eine Netzanschlussleitung aus der zu fördernden Flüssigkeit herauszuführen ist. Es ist dann lediglich noch eine Kommunikation- oder Anzeigeeinrichtung außerhalb der zu fördernden Flüssigkeit anzuordnen.Preferably, the submersible pump unit is designed for autonomous operation independently of external control and / or sensor devices. Ie. required 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. Furthermore, 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. Thus, 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.

Nachfolgend wird die Erfindung beispielhaft anhand der beigefügten Figuren beschrieben. In diesen zeigt:

Fig. 1
schematisch ein Tauchpumpenaggregat gemäß dem Stand der Technik,
Fig. 2
schematisch ein Tauchpumpenaggregat gemäß einer ersten Ausführungsform der Erfindung,
Fig. 3
schematisch ein Tauchpumpenaggregat gemäß einer zweiten Ausführungsform der Erfindung,
Fig. 4
schematisch die Anordnung mehrerer Tauchpumpenag- gregate gemäß der Erfindung mit einer gemeinsamen Kommunikationseinrichtung,
Fig. 5
schematisch ein Tauchpumpenaggregat gemäß einer weiteren Ausführungsform der Erfindung und
Fig. 6
schematisch eine Datenübertragungseinrichtung für ein erfindungsgemäßes Tauchpumpenaggregat.
The invention will now be described by way of example with reference to the accompanying drawings. In these shows:
Fig. 1
schematically a submerged pump unit according to the prior art,
Fig. 2
schematically a submerged pump unit according to a first embodiment of the invention,
Fig. 3
schematically a submerged pump unit according to a second embodiment of the invention,
Fig. 4
1 schematically the arrangement of several submersible pump units according to the invention with a common communication device,
Fig. 5
schematically a submerged pump unit according to another embodiment of the invention and
Fig. 6
schematically a data transmission device for an inventive submersible pump unit.

Anhand von Fig. 1, der zunächst noch einmal der Stand der Technik erläutert. Im Stand der Technik ist es bekannt, dass in einem Pumpensumpf 2, einer Tauchpumpe 4, bestehend aus einem Antriebsmotor und der eigentlichen Pumpe angeordnet wird. Die Tauchpumpe 4 ist mit einer externen Steuereinrichtung 6, welche außerhalb des Pumpensumpfes 2 angeordnet ist, über eine Leitung 8 verbunden. Die Leitung 8 dient der Energieversorgung der Tauchpumpe 4 bzw. deren Antriebsmotors. Das Ein- und Ausschalten der Tauchpumpe 4 erfolgt dabei über die Steuereinrichtung 6. Die Steuereinrichtung 6, kann darüber hinaus beispielsweise auch noch einen Frequenzumrichter zur Ansteuerung des Antriebsmotors der Tauchpumpe 4 enthalten. Ferner ist die Steuereinrichtung 6 über Leitungen 12 mit Sensoren 10 im Pumpensumpf 2 verbunden. Die Sensoren 10 können beispielsweise Drucksensoren, Niveauschalter, Temperatursensoren etc. sein. Die Steuereinrichtung 6 steuert die Tauchpumpe 4 in Abhängigkeit der Ausgangssignale der Sensoren 10, insbesondere schaltet die Steuereinrichtung 6, die Tauchpumpe 4 in Abhängigkeit der Signale ein und aus. Es ist zu sehen, dass hier mehrere Leitungen 8 und 12 aus dem Pumpensumpf zu der Steuereinrichtung 6 geführt werden müssen.Based on Fig. 1 , which first again explains the prior art. In the prior art it is known that in a pump sump 2, 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. Furthermore, 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.

Im Unterschied zu diesem beschriebenen Stand der Technik ist gemäß der Erfindung, wie im ersten Ausführungsbeispiel in Fig. 2 gezeigt, die Steuereinrichtung 14 direkt an der Tauchpumpe 16 angeordnet und taucht mit dieser in die zu fördernde Flüssigkeit 18 im Pumpensumpf 20 ein. Die Steuereinrichtung 4 kann dabei direkt an ein Motorgehäuse 22 der Tauchpumpe 16 angesetzt oder auch in dieses integriert sein. Die Steuereinrichtung 14 steuert den Betrieb des Antriebsmotors im Inneren des Motorgehäuses 22 und dann in der Tauchpumpe 16 autonom, ohne dass eine externe außerhalb des Pumpensumpfes 20 angeordnete Steuereinrichtung erforderlich wäre. Insbesondere können mit der Steuereinrichtung 14 im Pumpensumpf 20 angeordnete Sensoren, beispielsweise Druck-, Temperatur- oder Niveau-Sensoren verbunden sein. Auch solche Sensoren können direkt an oder in der Tauchpumpe 16 angeordnet sein. Da so über die Netzanschlussleitung 24 keine weiteren Signale, Schaltimpulse oder ähnliches übertragen werden müssen, werden störende Einflüsse auf das Stromnetz vermieden.In contrast to this described prior art is according to the invention, as in the first embodiment in Fig. 2 shown, 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. In particular, 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.

In dem Ausführungsbeispiel gemäß Fig. 2 ist darüber hinaus eine außerhalb des Pumpensumpfes 20 angeordnete Signallampe 26, welche eine Anzeigeeinrichtung bildet, vorgesehen. Diese Anzeigeeinrichtung bzw. Signallampe 26 kann dem Betriebszustand der Tauchpumpe 16 außerhalb des Pumpensumpfes anzeigen, beispielsweise aufleuchten, wenn die Pumpe in Betrieb ist, oder aber beispielsweise aufleuchten oder in anderer Farbe aufleuchten, um einen Fehler der Tauchpumpe 16, beispielsweise ein Blockieren des Laufrades zu signalisieren. Dazu wird die Signallampe 26 von der Steuereinrichtung 14 angesteuert bzw. insbesondere ein- und ausgeschaltet. Dazu ist die Signallampe 26 über ein elektrisches Kabel 28, welches hier als dreiadriges Kabel dargestellt ist, verbunden.In the embodiment according to Fig. 2 Moreover, 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. For this purpose, the signal lamp 26 is controlled by the control device 14 or in particular switched on and off. For this purpose, the signal lamp 26 via an electrical cable 28, which is shown here as a three-core cable, connected.

Eine ähnliche alternative Ausführungsform ist in Fig. 3 gezeigt. Dies entspricht der Ausgestaltung gemäß Fig. 2 mit dem Unterschied, dass statt einer Signallampe 26 über ein elektrisches Kabel 28 eine Kommunikationseinrichtung 30 mit der Steuereinrichtung 14 verbunden ist. Auch bei diesem Ausführungsbeispiel wird die Tauchpumpe 16 autonom durch die Steuereinrichtung 14 gesteuert bzw. geregelt, wobei die Steuereinrichtung 14 ggf. Signale von Sensoren verarbeitet und die Tauchpumpe 16 in Abhängigkeit dieser Signale steuert. Die Sensoren können beispielsweise Temperatur, Flüssigkeitsstand und/oder Druck erfassen und sind vorzugsweise ebenfalls in die Tauchpumpe 16 integriert oder direkt an dieser angeordnet. An die Kommunikationseinrichtung 30 können Signal oder Anzeigeeinrichtungen, beispielsweise auch eine Signallampe gemäß dem Ausführungsbeispiel in Fig. 2 angeschlossen werden. Darüber hinaus kann die Kommunikationseinrichtung 30 eine Schnittstelle zu externen Überwachungs- oder Steuersystemen bilden, beispielsweise eine zentrale Gebäudesteuerung oder ähnliches. Die Datenübertragung zwischen der Steuereinrichtung 14 und der Kommunikationseinrichtung 30 über das elektrische Kabel 28 erfolgt bevorzugt, wie weiter unten beschrieben werden wird, nach Art der Datenübertragung über Stromnetzkabel (powerline - communication) dabei wird einem Trägersignal ein Datenübertragungssignal aufmoduliert.A similar alternative embodiment is in Fig. 3 shown. This corresponds to the embodiment according to Fig. 2 with the difference that instead of a signal lamp 26 via an electrical cable 28, a communication device 30 is connected to the control device 14. Also in this embodiment, 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. In addition, 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.

In den Beispielen gemäß Fig. 2 und 3 war jeweils eine Signallampe 26 bzw. eine Kommunikationseinrichtung 30 einer Tauchpumpe 16 zugeordnet. Wie in Fig. 4 gezeigt, ist es jedoch auch möglich, mehrere Tauchpumpen 16 mit einer gemeinsamen Kommunikationseinrichtung 30 über elektrische Kabel 28 zu verbinden. Dabei ist zu verstehen, dass wie anhand von Fig. 2 und 3 beschrieben, die einzelnen Tauchpumpen 16 jeweils über eine zugehörige Steuereinrichtung 14 autonom betrieben bzw. gesteuert werden. Die Kommunikationseinrichtung 30, welche über elektrische Kabel 28 mit den einzelnen Tauchpumpen 16 verbunden ist, dient bevorzugt nur der Kommunikation der Steuereinrichtungen 14 nach außen, beispielsweise mit Anzeigeeinrichtungen oder Hausautomationssystemen, um dort die Betriebszustände der einzelnen Tauchpumpen 16 zur Anzeige zu bringen.In the examples according to Fig. 2 and 3 In each case, a signal lamp 26 and a communication device 30 was associated with a submersible pump 16. As in Fig. 4 However, it is also possible to connect a plurality of submersible pumps 16 to a common communication device 30 via electrical cables 28. It should be understood that as based on Fig. 2 and 3 described, the individual 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.

Anhand der Fig. 5 und 6 wird ein weiteres Ausführungsbeispiel der Erfindung beschrieben, bei welchem die Verwendung einer Kommunikationseinrichtung 30 mit zumindest einer Signallampe 26 kombiniert wird. Bei diesem Ausführungsbeispiel wird die Signallampe 26 von der Steuereinrichtung 14 über einen elektrischen Schalter, beispielsweise einem Relais ein- und ausgeschaltet. Die elektrischen Leiter in dem elektrischen Kabel 28 dienen dabei direkt der Spannungsversorgung für die Signallampe 26. Gleichzeitig erfolgt über diese elektrischen Leiter eine powerline-communication der Steuereinrichtung 14 und der Kommunikationseinrichtung 30. So kann beispielsweise die Betriebsspannung für die Signallampe 26 als Trägersignal verwendet werden und ein Datenübertragungssignal kann diesem Trägersignal aufmoduliert werden. Auf diese Weise können über sehr wenige Anschlussleitungen, welche aus dem Pumpensumpf 20 nach außen führen, vielfältige Aufgaben realisiert werden. Die Steuerung der Tauchpumpe 16 erfolgt autonom über die direkt an der Tauchpumpe 16 und somit ebenfalls in die Flüssigkeit 18 eingetauchte Steuereinrichtung 14. Diese steht mit ebenfalls in die Tauchpumpe 16 integrierten Sensoren 32 in Verbindung, auf der Grundlage deren Ausgangssignale die Steuereinrichtung 14 den Antriebsmotor der Tauchpumpe 16 steuert. Diese entspricht den Ausführungsbeispielen gemäß Fig. 2 und 3.Based on Fig. 5 and 6 another embodiment of the invention will be described in which the use of a communication device 30 is combined with at least one signal lamp 26. In this embodiment, the signal lamp 26 is turned on and off by the controller 14 via an electrical switch, such as a relay. At the same time, powerline communication of the control device 14 and the communication device 30 takes place via this electrical conductor. Thus, for example, 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. In this way, a very large number of connection lines which lead out of the pump sump 20 to the outside, a variety of tasks can be realized. 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 ,

Zur Datenübertragung mittels powerline-communication sind in der Steuereinrichtung 14 und der Kommunikationseinrichtung 30 Kommunikationsmodule 34 und 36 angeordnet. Das Kommunikationsmodul 34 der Steuereinrichtung 14 wird von dem eigentlichen Steuermodul 38, welches den Betrieb der Tauchpumpe 16 steuert, angesteuert, um Daten zu dem Kommunikationsmodul 36 in der Kommunikationseinrichtung 30 über das elektrische Kabel 28 zu senden. In der Steuereinrichtung 14 ist ferner ein elektrischer Schalter in Form eines Relais 40, welches einen dritten elektrischen Leiter 42 in dem elektrischen Kabel 28 wahlweise mit dem ersten elektrischen Leiter 44 oder dem zweiten elektrischen Leiter 46 in Kontakt bringen kann. Eine Signallampe 26 kann entweder zwischen den Anschlüssen 48 und 50 oder 50 und 52 des elektrischen Kabels 28 angeschlossen sein, je nachdem, welcher Betriebszustand angezeigt werden soll. Alternativ ist es auch möglich, zwei Signallampen vorzusehen, eine zwischen den elektrischen Anschlüssen 48 und 50 und eine zwischen den elektrischen Anschlüssen 50 und 52. Auf diese Weise kann sehr einfach die Kommunikationseinrichtung 30 als eine Anzeigeeinrichtung in Form beispielsweise einer Signallampe 26 über ein und dasselbe Anschlusskabel 28 mit der Steuereinrichtung 14 verbunden werden. Vorteilhaft ist dabei, dass diese Datenübertragung völlig unabhängig von der Netzanschlussleitung 24 erfolgt, so dass keine Störung des Signals im Stromnetz erfolgt. Darüber hinaus können auch Störungen im Stromnetz die Kommunikation über das elektrische Kabel 28 nicht beeinträchtigen.For data transmission by means of powerline communication, 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. In the control device 14 is further 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. Alternatively, it is also possible to provide two signal lamps, one between the electrical connections 48 and 50 and one between the electrical connections 50 and 52. In this way, 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.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

22
Pumpensumpfsump
44
Tauchpumpesubmersible pump
66
Steuereinrichtungcontrol device
88th
Leitungmanagement
1010
Sensorensensors
1212
Leitungencables
1414
Steuereinrichtungcontrol device
1616
Tauchpumpesubmersible pump
1818
Flüssigkeitliquid
2020
Pumpensumpfsump
2222
Motorgehäusemotor housing
2424
NetzanschlussleitungPower cord
2626
SignallampeWarning light
2828
elektrisches Kabelelectrical cable
3030
Kommunikationseinrichtungcommunicator
3232
Sensorsensor
34, 3634, 36
Kommunikationsmodulcommunication module
3838
Steuermodulcontrol module
4040
Relaisrelay
42, 44, 4642, 44, 46
elektrischer Leiterelectrical conductor
48, 50, 5248, 50, 52
Anschlussconnection

Claims (11)

Tauchpumpenaggregat mit einem elektrischen Antriebsmotor und einer Steuereinrichtung (14) zur Steuerung des Antriebsmotors, welche zum Eintauchen in eine zu fördernde Flüssigkeit (18) ausgebildet sind,
gekennzeichnet durch
eine externe Anzeigeeinrichtung (26) und/oder eine externe Kommunikationseinrichtung (30), welche zur Anordnung außerhalb der zu fördernden Flüssigkeit (18) ausgebildet und mit der Steuereinrichtung (14) zur Signalübertragung verbunden sind.Submersible pump unit with an electric drive motor and a control device (14) for controlling the drive motor, which are designed for immersion in a liquid to be conveyed (18),
marked by
an external display device (26) and / or an external communication device (30), which are designed to be arranged outside the fluid to be delivered (18) and connected to the control device (14) for signal transmission. Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest ein mit der Steuereinrichtung (14) verbundener Sensor (32) vorhanden ist.Submersible pump unit according to one of the preceding claims, characterized in that at least one connected to the control device (14) sensor (32) is present. Tauchpumpenaggregat nach Anspruch 2, dadurch gekennzeichnet, dass die Steuereinrichtung (14) den Antriebsmotor auf Grundlage eines Ausgangssignals des zumindest einen Sensors (32) steuert.Submersible pump unit according to claim 2, characterized in that the control device (14) controls the drive motor based on an output signal of the at least one sensor (32). Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Anzeigeeinrichtung zumindest eine Signaleinrichtung, insbesondere eine Signallampe (26) aufweist.Submersible pump unit according to one of the preceding claims, characterized in that the display device has at least one signal device, in particular a signal lamp (26). Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Kommunikationseinrichtung (30) zum Anschluss zumindest einer Signaleinrichtung, insbesondere einer Signallampe ausgebildet ist.Submersible pump unit according to one of the preceding claims, characterized in that the communication device (30) for connecting at least one signal device, in particular a signal lamp is formed. Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die externe Anzeigeeinrichtung (26) und/oder die externe Kommunikationseinrichtung (30) mit der Steuereinrichtung (14) über ein elektrisches Kabel (28) verbunden sind.Submersible pump unit according to one of the preceding claims, characterized in that the external display device (26) and / or the external communication device (30) are connected to the control device (14) via an electrical cable (28). Tauchpumpenaggregat nach Anspruch 6, dadurch gekennzeichnet, dass die Steuereinrichtung (14) sowie die Anzeigeeinrichtung (26) und/oder die Kommunikationseinrichtung (30) derart ausgebildet sind, dass über das elektrische Kabel (28) eine Datenübertragung nach Art einer Datenübertragung über Stromnetzkabel (powerline-communication) erfolgt.Submersible pump unit according to claim 6, characterized in that the control device (14) and the display device (26) and / or the communication device (30) are designed such that via the electrical cable (28) a data transmission in the manner of data transmission via power cables (powerline -communication). Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Steuereinrichtung (14) zumindest einen elektrischen oder elektronischen Schalter (40) zum Ein- und Ausschalten der Anzeigeeinrichtung (26) aufweist.Submersible pump unit according to one of the preceding claims, characterized in that the control device (14) has at least one electrical or electronic switch (40) for switching on and off the display device (26). Tauchpumpenaggregat nach Anspruch 7 und 8, dadurch gekennzeichnet, dass die Steuereinrichtung (14) und die Kommunikationseinrichtung (30) derart ausgebildet sind, dass eine Datenübertragung über ein elektrisches Kabel (28) erfolgt, welches die Steuereinrichtung (14) mit der Anzeigeeinrichtung (26) verbindet.Submersible pump unit according to claim 7 and 8, characterized in that the control device (14) and the communication device (30) are designed such that a data transmission via an electrical cable (28) takes place, which the control device (14) with the display device (26). combines. Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Kommunikationseinrichtung (30) und/oder die Anzeigeeinrichtung (26) zur Verbindung mit mehreren Steuereinrichtungen (14) mehrerer Tauchpumpenaggregate (16) ausgebildet sind.Submersible pump unit according to one of the preceding claims, characterized in that the communication device (30) and / or the display device (26) for connection with a plurality of control devices (14) of a plurality of submersible pump units (16) are formed. Tauchpumpenaggregat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Tauchpumpenaggregat (16) zum autonomen Betrieb unabhängig von externen Steuer- oder Sensoreinrichtungen ausgebildet ist.Submersible pump unit according to one of the preceding claims, characterized in that the submersible pump unit (16) is designed for autonomous operation independently of external control or sensor devices.
EP09012552.7A 2009-10-05 2009-10-05 Submersible pump power unit Active EP2309133B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09012552.7A EP2309133B1 (en) 2009-10-05 2009-10-05 Submersible pump power unit
CN201080044816.4A CN102575679B (en) 2009-10-05 2010-09-02 Submersible pump unit
US13/499,949 US9103344B2 (en) 2009-10-05 2010-09-02 Submersible pump assembly
PCT/EP2010/005389 WO2011042096A1 (en) 2009-10-05 2010-09-02 Immersion pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09012552.7A EP2309133B1 (en) 2009-10-05 2009-10-05 Submersible pump power unit

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EP2309133A1 true EP2309133A1 (en) 2011-04-13
EP2309133B1 EP2309133B1 (en) 2015-07-15

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EP09012552.7A Active EP2309133B1 (en) 2009-10-05 2009-10-05 Submersible pump power unit

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US (1) US9103344B2 (en)
EP (1) EP2309133B1 (en)
CN (1) CN102575679B (en)
WO (1) WO2011042096A1 (en)

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Also Published As

Publication number Publication date
WO2011042096A1 (en) 2011-04-14
US9103344B2 (en) 2015-08-11
CN102575679A (en) 2012-07-11
EP2309133B1 (en) 2015-07-15
CN102575679B (en) 2016-01-20
US20120230852A1 (en) 2012-09-13

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