EP2889488B1 - Fehlerbehebungsverfahren einer heizungsumwälzpumpe - Google Patents

Fehlerbehebungsverfahren einer heizungsumwälzpumpe Download PDF

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Publication number
EP2889488B1
EP2889488B1 EP14200234.4A EP14200234A EP2889488B1 EP 2889488 B1 EP2889488 B1 EP 2889488B1 EP 14200234 A EP14200234 A EP 14200234A EP 2889488 B1 EP2889488 B1 EP 2889488B1
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EP
European Patent Office
Prior art keywords
circulation pump
pump
generic
faulty
hydraulic
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Revoked
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EP14200234.4A
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English (en)
French (fr)
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EP2889488A1 (de
Inventor
Philippe Dejean
Hervé Bouilly
Donald Guillet
Julien Hinard
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Wilo Salmson France SAS
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Wilo Salmson France SAS
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    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

Definitions

  • the invention relates to a method for troubleshooting a domestic hydraulic installation.
  • a circulation pump also called a circulator
  • Such pumps are thus present in domestic hot water installations or in domestic heating installations, whether heating with oil, gas or solar energy.
  • Such installations are installed in the user's home, directly in the private part of the home or in the common areas of a condominium in the user's home.
  • each circulation pump is designed as a function of the hydraulic installation of which it is a part, in order to have the hydraulic characteristics allowing optimal operation with this hydraulic installation.
  • Hydraulic installations vary greatly from one home to another, especially taking into account the model of the boiler in the case of a heating installation. This diversity of hydraulic installations requires on the one hand the replacement of the faulty pump by a new pump with the same reference or at least with the same characteristics. This diversity of hydraulic installations also results in a wide variety of circulation pumps having different characteristics from one pump to another.
  • the user to be repaired can then be forced to wait for the availability of a new pump with the same reference or same characteristics as the faulty pump.
  • a waiting period is often unacceptable to the user, such as in the case where the faulty pump is a circulation pump of a domestic heating installation and the failure occurs during the winter.
  • the invention provides a method for troubleshooting a domestic hydraulic installation according to claim 1 and a generic circulation pump according to claim 10.
  • the determination of the pump characteristics is carried out by reading the type of pump or its serial number and consulting a database.
  • the programming of the generic circulation pump according to the operating characteristics of the faulty circulation pump is carried out at the place of the domestic hydraulic installation.
  • the generic circulation pump comprises a remote access module, the configuration of the generic circulation pump being carried out by the convenience store using a terminal connected wirelessly to this remote access module of the generic circulation pump.
  • the generic circulation pump replacing the faulty circulation pump is chosen from a range of generic circulation pumps of different maximum powers.
  • the range of generic circulation pumps of different powers includes a generic circulation pump of maximum power of 40 W, a generic circulation pump of maximum power of 75 W.
  • the range of generic circulation pumps of different powers includes a generic circulation pump of maximum power of 300 W, a generic circulation pump of maximum power of 600 W, a generic circulation pump of maximum power of 900 W , a generic circulation pump with a maximum power of 1500 W.
  • the generic circulation pump does not have a manually operated switch and includes a communication interface by pulse width modulation of the control signal.
  • the generic circulation pump comprises a manually controlled switch as well as a communication interface by pulse width modulation of the control signal.
  • a method of troubleshooting a domestic hydraulic installation is proposed.
  • the method aims to troubleshoot such a hydraulic installation comprising a circulation pump, also designated by the expression "hydraulic circulator", faulty.
  • the hydraulic installation to be repaired according to the proposed method corresponds to a domestic installation of sanitary hot water or heating, that is to say in particular the hydraulic installations installed at the user's home.
  • the hydraulic installation to be repaired can thus correspond to a domestic hot water or domestic heating installation for any building, such as a residential or office building and in particular such as a factory.
  • This hydraulic installation does not however correspond to an industrial hydraulic installation. So the power nominal useful hydraulics of the pump of the installation to be repaired can be between 1 and 2500 W.
  • the figure 1 shows a perspective view of such a circulation pump 20 for a domestic hydraulic installation.
  • the circulation pump 20 is provided with an electronic control 22 in the form of a control box controlling the operation of the electric motor 24 of the pump 20.
  • the control box can be integrated with the electric motor 24 or take any other form of electronic control 22.
  • the electric motor 24 is fixed to the body 26 of the pump, also designated by the expression "hydraulic body”.
  • the figure 2 shows a sectional view of a variant of the pump 20. According to this variant, the motor 24 actuates an impeller 28 of the pump 20 disposed in the hydraulic body 26 of the pump.
  • the proposed method comprises the determination of the operating characteristics of this faulty pump 20.
  • the determination of the operating characteristics can be carried out by reading the type of pump to be replaced or by reading its serial or article number. Using the consultation of a database of correspondence between the operating characteristics of the pump and the types of pump and / or serial numbers, this statement is sufficient to determine the characteristics of the pump to be replaced.
  • the method includes replacing the faulty pump.
  • This replacement includes the configuration of a generic pump and the substitution of the faulty pump by the generic pump.
  • the configuration of the proposed troubleshooting method corresponds to an emulation of the faulty pump 20 replaced and not to the addition of a pump operating program which would consist in programming the activation of the pump as a function of hours of user presence or target temperature inside the home, as described in the document EP 2,573,403 A1 .
  • the parameters of the generic pump, or emulator pump, which will allow the emulation of the characteristics of the faulty pump can also be obtained using a correspondence database. Such a database can be common or separate from the correspondence database between the references of the pump to be replaced and its characteristics.
  • the configuration corresponds to a specialization of the generic pump according to the characteristics of the faulty pump to be replaced.
  • the Generic circulation pump can in particular be devoid of any operating mode before the configuration provided according to the proposed troubleshooting process.
  • the hydraulic reference curves of the pump can be defined by a maximum hydraulic curve and a minimum hydraulic curve and an interpolation method between these two curves.
  • the hydraulic reference curves of the pump can be defined using three hydraulic curves when the pump is provided with an asynchronous motor which has only 3 operating positions.
  • the correspondence between the set point to be applied by the pump and the command communicated to the pump varies according to the nature of the pump command.
  • the pump control can in fact be an external control of the pulse width modulation type (also known by the English expression Pulse Width Modulation, abbreviated as PWM) or even at least one adjustment button on the device.
  • PWM Pulse Width Modulation
  • the correspondence can thus be obtained by the maximum and minimum values of the pump setpoint in speed and / or in flow rate and / or in pressure variation, or by the cyclic ratio between the rotation speed setpoint and the PWM type control. .
  • the hydraulic estimator is a module of the electronic control 22 making it possible to deduce the flow rate and the differential pressure as a function of the speed of rotation and the absorbed power or the mechanical torque on the pump rotor.
  • the maximum power of the generic pump can constitute a limit to the possible emulation of the physical characteristics of the faulty pump 20 to be replaced.
  • the generic pump 20 can thus be chosen from a range of generic pumps of different powers maximum, such as 40W and 75W. This range of generic pumps corresponds to a power range for small circulators. For large circulators the range of generic pumps can be divided into pumps with a maximum power of 300W, 600 W, 900 W and 1500 W.
  • the choice of the generic pump in a power range makes it possible to limit the number of generic pumps to be stored for the convenience store or the supplier of the convenience store while adapting as best as possible the choice of generic pump to the needs of the installation to be repaired.
  • a single generic replacement pump can be provided and have an increased maximum power, such as 75W.
  • the proposed process allows a reduction, and therefore easier management, of stocks of convenience store circulation pumps.
  • the configuration of the pump can be preceded by the physical replacement of the faulty pump by the generic pump on the domestic hydraulic installation.
  • the generic pump is then hydraulically connected to the domestic hydraulic installation and the convenience store, through any available configuration interface, proceeds to the specification of the generic pump so that it obtains the same characteristics as the faulty pump.
  • the pump setting can precede the physical replacement of the pump. This is particularly the case where the convenience store sets up the generic pump on site, that is to say at the user's home, according to the characteristics of the faulty pump.
  • the pump is configured by a wholesaler, supplier of the convenience store.
  • the hydraulic body 26 and the impeller 28 being organs of the pump 20 liable to exhibit the least failure, the failure of the pump may concern only the electric motor 24 and / or the control electronics 22 of the pump 20.
  • the substitution of the faulty pump 20 by the generic pump can then include the conservation of the hydraulic body 26 of the faulty pump 20.
  • the standardization of the circulation pumps also allows the electric motor of the generic pump to present the appropriate dimensions for adaptation to the hydraulic body 26 of the faulty pump without causing an increase in the number of generic pumps to be stored for the convenience store.
  • the faulty circulation pump 20 may include a control of the pulse width modulation type (also known by the English expression " Pulse Width Modulation " abbreviated as PWM). These include circulation pumps integrated in a boiler of the hydraulic installation to be repaired and which are then controlled by the boiler in PWM.
  • the generic pump can also include a PWM type control to allow its replacement for the faulty circulation pump 20 integrated in the boiler.
  • the generic pump used for troubleshooting can comprise a communication interface by pulse width modulation of the control signal, in particular for the signal for controlling the speed of rotation of the pump by a boiler.
  • the generic pump can be devoid of adjustment buttons, the control then being provided by the PWM interface.
  • the generic pump also has one or more adjustment knobs in addition to the PWM interface. This / these adjustment button (s) then allows the user to find an equivalent control means by means of manual control of the independent defective pump 20 replaced.
  • the configuration of the generic pump can be carried out by the convenience store using a dedicated mobile terminal and available to the convenience store, by a laptop, or any other suitable system
  • such a configuration device makes it possible to facilitate access to this information.
  • the information collected can thus be communicated to a setting device, and the setting device generates the list of parameters necessary for the generic pump so that it obtains the same characteristics as the faulty pump.
  • the configuration device uses the databases, knowing the type of pump to be emulated as well as the generic pump type, the configuration device generates the list of parameters necessary for the generic pump so that it obtains the same characteristics as the faulty pump. .
  • This configuration device can be connected to the generic pump by specific cables, for example connected to a pump initialization configuration module, or wirelessly, in the case where the pump comprises a remote access module, such as optocoupler, infrared, WIFI or bluetooth.
  • a remote access module such as optocoupler, infrared, WIFI or bluetooth.
  • the configuration device can also be connected to the generic pump using connectors already present on pumps in general.
  • the convenience store setting device can thus be connected to the generic pump via the PWM interface described above.
  • This PWM interface of the generic pump then comprises a module adapted to configure the generic pump according to the parameters of the faulty pump 20 as a function of a certain type of PWM signal received by the PWM interface.
  • the electronic control therefore comprises an electrical communication connector which receives both the configuration data and both the control data, such as the PWM signal.
  • the electronic control then advantageously comprises a communication module making it possible to identify the nature of the data received, of configuration or of control, to allow their transfer to the configuration module or to a control module.
  • the electronic control of the pump then comprises a single connector for electronic communication with organs external to the pump.
  • This single connector for electronic communication with organs external to the pump corresponds to the combination of two conventional connectors for an electronic pump control, a first connector dedicated to the reception of control data, such as a PWM signal, and a second connector dedicated to the reception of configuration data, connector generally inaccessible for aesthetic reasons.
  • the combination of these two connectors into a single electronic communication connector with organs external to the pump as proposed advantageously makes it possible to make accessible a connector capable of receiving the configuration data of the generic pump to facilitate the configuration on site or at the wholesaler.
  • the setting device can be connected to the generic pump via the mains supply of the generic pump.
  • the generic pump can thus comprise an interface of the line carrier current type, abbreviated as CPL.
  • This PLC interface of the generic pump can be provided with a module adapted to parameterize the generic pump according to the parameters of the faulty pump 20 as a function of a certain type of CPL signal received.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Claims (13)

  1. Verfahren zur Fehlerbehebung in einer haustechnischen hydraulischen Anlage, welche eine Umwälzpumpe in einem Fehlerzustand (20) mit hydraulischen Kenndaten, die an diese hydraulische Anlage angepasst sind, umfasst, wobei das Verfahren umfasst:
    - die Bestimmung der Kenndaten der Umwälzpumpe im Fehlerzustand (20), um der Parametriervorrichtung zu ermöglichen, ihre Kenndaten zu erhalten;
    - das Ersetzen der Umwälzpumpe im Fehlerzustand (20) durch eine generische Umwälzpumpe, die parametrierbar ist, um die Umwälzpumpe im Fehlerzustand zu emulieren, wobei das Ersetzen die folgenden Schritte umfasst:
    - den Anschluss der Parametriervorrichtung an die generische Umwälzpumpe;
    - die Emulation, mithilfe spezieller Datenbanken, der generischen Umwälzpumpe mit den zuvor bestimmten Betriebskenndaten der Umwälzpumpe im Fehlerzustand (20), wobei die Parametriervorrichtung eine Liste von Parametern erzeugt, welche die generische Pumpe benötigt, um dieselben Betriebskenndaten wie die Umwälzpumpe im Fehlerzustand zu erhalten,
    - den Ersatz der Umwälzpumpe im Fehlerzustand durch die generische Umwälzpumpe vor oder nach dem Schritt der Emulation der generischen Umwälzpumpe,
    wobei das Ersetzen durch die generische Umwälzpumpe, die parametrierbar ist, um die Umwälzpumpe im Fehlerzustand zu emulieren, durch die Standardisierung der Umwälzpumpen für haustechnische hydraulische Anlagen erleichtert wird.
  2. Verfahren zur Fehlerbehebung nach Anspruch 1, wobei die Bestimmung der Kenndaten der Umwälzpumpe im Fehlerzustand durch die Feststellung des Typs der Pumpe oder ihrer Seriennummer und die Konsultation einer Datenbank durchgeführt wird.
  3. Verfahren zur Fehlerbehebung nach Anspruch 1 oder 2, wobei die Umwälzpumpe im Fehlerzustand (20) umfasst:
    - ein Hydraulikgehäuse (26);
    - einen Elektromotor (24);
    - eine elektronische Steuerung (22);
    wobei, wenn der Fehler der Umwälzpumpe (20) den Elektromotor und/oder die elektronische Steuerung der Pumpe betrifft, der Ersatz der Umwälzpumpe im Fehlerzustand (20) durch die generische Umwälzpumpe die Beibehaltung des Hydraulikgehäuses der fehlerbehafteten Umwälzpumpe (20) umfasst.
  4. Verfahren zur Fehlerbehebung nach einem der Ansprüche 1 bis 3, wobei die Betriebskenndaten der Umwälzpumpe im Fehlerzustand (20) wenigstens einen der folgenden Parameter umfassen:
    - die Daten eines Hydraulik-Schätzmoduls der Umwälzpumpe im Fehlerzustand (20);
    - die Definition der hydraulischen Referenzkurven der Umwälzpumpe im Fehlerzustand (20);
    - die Entsprechung zwischen dem durch die Umwälzpumpe im Fehlerzustand (20) anzuwendenden Sollwert und dem an die Umwälzpumpe im Fehlerzustand (20) entweder durch einen manuell betätigten Schalter oder durch ein Steuersignal übermittelten Befehl.
  5. Verfahren zur Fehlerbehebung nach einem der Ansprüche 1 bis 4, wobei die Programmierung der generischen Umwälzpumpe gemäß den Betriebskenndaten der Umwälzpumpe im Fehlerzustand (20) am Ort der haustechnischen hydraulischen Anlage oder bei einem Großhändler durchgeführt wird.
  6. Verfahren zur Fehlerbehebung nach einem der Ansprüche 1 bis 5, wobei die generische Umwälzpumpe, welche die Umwälzpumpe im Fehlerzustand (20) ersetzt, aus einer Baureihe von generischen Umwälzpumpen mit unterschiedlichen maximalen Leistungen ausgewählt wird.
  7. Verfahren zur Fehlerbehebung nach Anspruch 6, wobei die Baureihe von generischen Umwälzpumpen mit unterschiedlichen Leistungen eine generische Umwälzpumpe mit einer maximalen Leistung von 40 W und eine generische Umwälzpumpe mit einer maximalen Leistung von 75 W umfasst.
  8. Verfahren zur Fehlerbehebung nach Anspruch 6, wobei die Baureihe von generischen Umwälzpumpen mit unterschiedlichen Leistungen eine generische Umwälzpumpe mit einer maximalen Leistung von 300 W eine generische Umwälzpumpe mit einer maximalen Leistung von 600 W, eine generische Umwälzpumpe mit einer maximalen Leistung von 900 W und eine generische Umwälzpumpe mit einer maximalen Leistung von 1500 W umfasst.
  9. Verfahren zur Fehlerbehebung nach einem der Ansprüche 1 bis 7, wobei die generische Umwälzpumpe vor der Parametrierung keinerlei Funktionsweise aufweist.
  10. Generische Umwälzpumpe, welche geeignet ist, in einem Verfahren zur Fehlerbehebung in einer haustechnischen hydraulischen Anlage, welche eine Umwälzpumpe in einem Fehlerzustand umfasst, nach einem der Ansprüche 1 bis 9 verwendet zu werden, wobei die generische Umwälzpumpe vor der Parametrierung gemäß dem Verfahren zur Fehlerbehebung nach einem der Ansprüche 1 bis 9 keinerlei Funktionsweise aufweist und parametrierbar ist, um die Umwälzpumpe im Fehlerzustand zu emulieren, und umfasst:
    - ein Hydraulikgehäuse (26);
    - einen Elektromotor (24) zum Antreiben eines Schaufelrades (28), das in dem Hydraulikgehäuse (26) angeordnet ist;
    - eine elektronische Steuerung (22) zum Steuern des Betriebs des Elektromotors (24);
    - ein Steuermodul des Elektromotors (24);
    - ein Parametriermodul zum Emulieren der Umwälzpumpe im Fehlerzustand, wobei das Parametriermodul dafür ausgelegt ist, die Schritte des Verfahrens nach Anspruch 1 auszuführen;
    - einen einzigen elektrischen Kommunikationsverbinder zum Empfangen der Parametrierdaten und der Steuerungsdaten; und
    - ein Kommunikationsmodul zum Identifizieren der Art der durch den elektrischen Kommunikationsverbinder empfangenen Daten, um die Übertragung der Parametrierdaten an das Parametriermodul und die Übertragung der Steuerungsdaten an das Steuermodul zu ermöglichen;
    wobei die Fehlerbehebung durch die generische Umwälzpumpe durch die Standardisierung der Umwälzpumpen für haustechnische hydraulische Anlagen erleichtert wird.
  11. Pumpe nach Anspruch 10, welche keinen manuell betätigten Schalter aufweist und eine Kommunikationsschnittstelle umfasst, die auf Impulsbreitenmodulation des Steuersignals basiert.
  12. Pumpe nach Anspruch 10, welche einen manuell betätigten Schalter sowie eine Kommunikationsschnittstelle, die auf Impulsbreitenmodulation des Steuersignals basiert, umfasst.
  13. Pumpe nach einem der Ansprüche 10 bis 12, welche ein Fernzugriffsmodul umfasst, wobei die Emulation der generischen Umwälzpumpe von dem Servicetechniker mithilfe eines Endgerätes durchgeführt wird, das drahtlos mit diesem Fernzugriffsmodul der generischen Umwälzpumpe verbunden ist.
EP14200234.4A 2013-12-24 2014-12-23 Fehlerbehebungsverfahren einer heizungsumwälzpumpe Revoked EP2889488B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1363562A FR3015586B1 (fr) 2013-12-24 2013-12-24 Procede de depannage d'une installation hydraulique domestique

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EP2889488B1 true EP2889488B1 (de) 2020-01-22

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DE102021110755A1 (de) 2021-04-27 2022-10-27 Prominent Gmbh Verfahren zur Aufnahme von Dosierprofilen

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FR3060670B1 (fr) * 2016-12-15 2021-03-19 Wilo Intec Pompe de circulation a cavite de limitation de condensation
CN107503953B (zh) * 2017-09-21 2024-07-05 深圳核心医疗科技股份有限公司 一种快速验证血泵压力流量曲线的装置和方法
EP3467316B1 (de) 2018-06-25 2024-01-03 Wilo Se Verfahren für das anlaufen einer zirkulationspumpe und zugehörige zirkulationspumpe

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US20100052592A1 (en) 2008-08-29 2010-03-04 Emerson Electric Co. Dynamoelectric Machine Assemblies Operable With Serial Communication Signals And PWM Control Signals
WO2012121680A2 (en) 2011-03-09 2012-09-13 Strip's D.O.O. Pump control device with multiple sensors microprocessor controllers
EP2500575A1 (de) 2011-03-12 2012-09-19 Grundfos Management a/s Heizungsumwälzpumpe
EP2573403A1 (de) 2011-09-20 2013-03-27 Grundfos Holding A/S Pumpe
WO2013041616A1 (en) 2011-09-20 2013-03-28 Grundfos Holding A/S Pump unit
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021110755A1 (de) 2021-04-27 2022-10-27 Prominent Gmbh Verfahren zur Aufnahme von Dosierprofilen

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FR3015586A1 (fr) 2015-06-26
FR3015586B1 (fr) 2018-04-20

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