EP3336361A1 - Fluid-umwälzpumpe - Google Patents

Fluid-umwälzpumpe Download PDF

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Publication number
EP3336361A1
EP3336361A1 EP17208154.9A EP17208154A EP3336361A1 EP 3336361 A1 EP3336361 A1 EP 3336361A1 EP 17208154 A EP17208154 A EP 17208154A EP 3336361 A1 EP3336361 A1 EP 3336361A1
Authority
EP
European Patent Office
Prior art keywords
sensor
pump
circulation
opening
fluid
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
EP17208154.9A
Other languages
English (en)
French (fr)
Other versions
EP3336361B1 (de
Inventor
Laurent Robin
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.)
Wilo Intec SAS
Original Assignee
Wilo Intec SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilo Intec SAS filed Critical Wilo Intec SAS
Publication of EP3336361A1 publication Critical patent/EP3336361A1/de
Application granted granted Critical
Publication of EP3336361B1 publication Critical patent/EP3336361B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D13/0686—Mechanical details of the pump control unit
    • 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
    • F04D13/0693—Details or arrangements of the wiring
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially 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 present invention relates to a pump for circulating a fluid intended for a hydraulic installation, as well as a hydraulic installation comprising such a pump. It finds particular application in the fields of heating, ventilation and / or air conditioning of a building.
  • the hydraulic installation equips in particular industrial buildings or individual habitats.
  • a circulating pump for a coolant also called a circulator
  • a circulator to allow the circulation of a fluid in the hydraulic system.
  • Such pumps are thus present in domestic hot water installations or in domestic heating installations, whether heating oil, gas, wood, pellets or solar energy.
  • Such installations are carried out at the user's home, directly in the private part of the home or in the common areas of a co-ownership of the user's home.
  • a pump for circulating a fluid intended for a hydraulic installation comprising: a pump body comprising a circulation zone arranged to circulate the fluid from a suction opening to an opening of repression; an electric motor comprising a rotor and a stator, and integral with the pump body; an electronic control configured to control the electric motor.
  • the pump comprises a chamber arranged to at least partially house the electrical portion of the stator, said zone of circulation and said chamber being separated by a wall so as to prevent the circulation of fluid in the chamber.
  • one or more sensors are generally installed in the internal environment of the boiler, and in particular some of said sensors can be arranged at the same time. outside the pump body but installed on it, the sensors being electrically connected to the main controller of the boiler.
  • Such an arrangement of the sensor has a negative impact on the compactness of the circulation pump and requires external electrical connectors connecting the sensor (s) (-s) to the main controller of the boiler, which makes it more difficult to mount such a sensor for the socket. measuring the characteristic physical quantity of the fluid flowing in the hydraulic installation.
  • the senor is likely to be damaged by assembly or maintenance operations of the pump or peripheral devices.
  • the information provided by the sensor (s) can be used by the main controller of the application and simply by him.
  • the problem posed here is to overcome the aforementioned drawbacks.
  • the object of the invention is to propose a pump for circulating a fluid intended for a hydraulic installation of greater compactness, which makes it possible to protect the sensor during assembly or maintenance operations of the pump and to minimize the external electrical connectors connecting the sensor and more particularly to reduce the volume occupied by the connector to connect the sensor to its controller.
  • the solution proposed by the present invention is characterized in that it comprises at least one sensor connected to the electronic control of the pump and disposed inside the chamber, so as to allow measuring at least one physical quantity characteristic of the fluid flowing in the circulation zone and transmitting the measured physical quantity to the electronic control of the pump.
  • the senor is disposed against the opening.
  • the senor comprises connection means housed at least partially in the chamber, the sensor being connected to the electronic control of the pump via said connection means.
  • the chamber is delimited radially by a carcass adapted to allow in particular the connection of the stator to the electronic control, said carcass being provided with an opening, the connection means passing through said opening to connect to the control electronic pump.
  • the electronic control is configured to allow the exchange of information between the sensor, the electric motor, and external control devices such as a boiler controller, by means of a communication bus connecting the electronic control of the pump with one or more of said external control members.
  • the senor is configured to sense the temperature and / or the pressure and / or the flow rate of a fluid flowing in the circulation zone.
  • a hydraulic system comprising one or more fluid circulation channels and comprising a circulation pump according to any one of the embodiments presented in the description is also contemplated.
  • the hydraulic installation comprises external control members, such as a boiler regulator, and a communication bus connecting the electronic control of the pump with one or more of said external control members, so that allow the exchange of information between the sensor, the electric motor, and the external control device or controls.
  • external control members such as a boiler regulator
  • a communication bus connecting the electronic control of the pump with one or more of said external control members, so that allow the exchange of information between the sensor, the electric motor, and the external control device or controls.
  • the hydraulic installation conventionally corresponds to a domestic hot water or heating installation, that is to say including a hydraulic installation installed in a building, such as the home of a user, offices or a factory. It can also be a hydraulic installation aimed ultimately to ventilate or to cool a building.
  • a pump 20 for circulating a fluid intended for a hydraulic installation is illustrated.
  • 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 unit can be integrated with the electric motor 24 or take any other Electronic control form 22.
  • the electric motor 24 is attached to the pump body, also referred to as the "hydraulic body".
  • the Figures 1 and 2 show an exemplary embodiment in which the motor 24, comprising a rotor 24a and a stator 24b, 31 actuates a bladed wheel 28 of the pump 20 arranged in a circulation zone arranged to circulate a fluid from a suction opening towards a discharge opening.
  • the stator 24b, 31 comprises an electrical part, itself including a coil 24b and a housing 31 receiving the coil 24b.
  • the pump according to the invention comprises a chamber 30 arranged to at least partially house the electrical part 24b of the stator 24b, 31. Radially, this chamber 30 is delimited by the frame 31 of the stator 24b, 31 which protects the electrical part 24b of this stator 24b, 31. Axially, this chamber 30 is delimited by the housing comprising the electronic control 22, and by a wall 32. This wall 32, otherwise designated by the term "flange", separates the circulation zone from the chamber So as to prevent the circulation of the fluid in the chamber 30 which contains the electrical coil 24b.
  • a sensor 40 whose function is to measure a physical quantity characteristic of the fluid circulating in the circulation zone, is arranged inside the chamber 30 and connected to the electronic control 22 in order to transmit the measured physical quantity to the control electronic.
  • the pump may also comprise several sensors 40 each having the function of measuring a physical quantity characteristic of the fluid flowing in the circulation zone, each of these sensors being disposed inside the chamber 30.
  • the pump may also comprise a single sensor device 40, comprising a plurality of sensing elements (for example arranged in the head 42 as shown in FIG. figure 3 and described later with reference to this figure 3 ) each having the function of measuring a physical quantity characteristic of the fluid circulating in the circulation zone.
  • a single sensor device 40 comprising a plurality of sensing elements (for example arranged in the head 42 as shown in FIG. figure 3 and described later with reference to this figure 3 ) each having the function of measuring a physical quantity characteristic of the fluid circulating in the circulation zone.
  • the pump may further comprise a combination of one or more sensors 40 each having the function of measuring a distinct physical quantity, and one or more sensor devices 40 each having the function of measuring a plurality of different physical quantities.
  • sensor 40 is indifferently referred to as a device capable of measuring a single physical quantity characteristic of the fluid flowing in the circulation zone, and a device device capable of measuring a plurality of physical characteristics characteristic of the fluid circulating in the circulation zone by means of several sensory elements mounted in this sensor device 40.
  • the wall 32 comprises an opening 34 communicating the circulation zone with the chamber 30.
  • the arrangement of the sensor 40 facing the opening 34 thus makes it possible to measure the characteristic physical quantity of the fluid flowing in the circulation zone, by bringing the sensor into contact with this fluid flowing through the opening 34.
  • a number of openings 34 corresponding to the number of sensors 40 arranged in the chamber 30 is formed in the wall 34.
  • the sensor 40 makes it possible to measure several distinct physical quantities
  • several distinct apertures 34 in the wall 32 can be used opposite the sensor 40. However, only one, provided that it allows the measurement to be taken, by the different sensing elements of the sensor 40, of each physical quantity corresponding to each of said sensor elements.
  • FIG 3 there is shown a block diagram of the arrangement of the sensor 40 near the opening 34 of the wall 32.
  • a sealing member 36 is disposed in order to prevent the flow of the fluid flowing in the circulation zone inside the chamber 30 which contains the electric portion of the stator 24b, 31, a sealing member 36 is disposed.
  • the sensor 40 is disposed opposite the opening 34 and at a distance from the latter so that the sealing element is interposed between the wall 32 and the sensor 40.
  • the sensor 40 is disposed against the opening 34; in this embodiment, the sealing member 36 such as a sealing ring may be disposed against the wall 32 so as to extend along the periphery of the sensor 40 which is in contact with the wall 32.
  • the wall 32 and the sensor 40 are bound together.
  • the sealing function is provided by the connection between the wall 32 and the sensor 40.
  • This connection may for example consist of a weld line continuously joining the sensor 40 to the wall 32.
  • it can also be provided to mold the sensor 40 and the wall 32 in one piece.
  • the wall 32 has a surface 38 through which the opening 34 extends.
  • This surface 38 is adapted to cooperate with the assembly defined by the sealing element 36 and the sensor 40. More particularly, when the sensor 40 is disposed against the opening 34 and is therefore in contact with the wall 32, the head 42 of the sensor 40 is arranged to cooperate with this surface 38.
  • the sealing member 36 is interposed between the wall 32 and the head 42 of the sensor 40, the sealing member is arranged to cooperate with the surface 38.
  • the surface 38 is preferably projecting and projects towards the assembly defined by the sealing element 36 and the sensor 40 and its head 42. This surface 38 must make it possible to seal the parts by plating.
  • This surface 38 is preferably a stamped surface. Alternatively, the projected shape and defining a projection of the surface 38 can be machined or molded.
  • the sensor 40 comprises connection means 44 making it possible to connect the sensor 40 to the electronic control 22 via a connector 45 in order to power the latter electrically and to transmit the measured information by means of the sensor head 42.
  • connection means 44 are housed in the chamber 30 and can pass through the carcass 31.
  • the carcass 31 is able to allow in particular the connection of the stator 24b, 31 to the electronic control 22.
  • the carcass 31 comprises an opening (not visible in the figures) allowing the passage of the connection means 44 through the carcass 31 to to allow the connection of the sensor 40 to the electronic control 22.
  • the electronic control 22 comprises a number of connectors, including for example a connector for the power supply of the pump 20, electronic communication connectors of the external organs to the pump. Among these electronic communication connectors of the external members to the pump 20, is included in particular a pump control communication connector.
  • This communication connector for controlling the pump makes it possible, for example, to connect the electronic control 22 with a boiler regulator of the hydraulic installation having the capacity to transmit control data, for example according to a thermostat of the installation. hydraulic.
  • the control data, received by the pilot communication connector are converted by the electronic control 22 which can in particular integrate a control module in hydraulic setpoint from which the motor 24 of the pump is controlled, the power being transmitted via a power connector to the motor.
  • the electronic control 22 is configured to allow the exchange of information between the sensor 40, the electric motor 24 and the external control members such as the boiler regulator (otherwise known as the main boiler controller), by means of a communication bus connecting the electronic control 22 with one or more of said external control members.
  • the external control members such as the boiler regulator (otherwise known as the main boiler controller)
  • this information can be transmitted to the boiler regulator via the electronic control 22.
  • This information can also be transmitted to any other device. external control which has a communication link with the electronic control 22.
  • the use of the above-mentioned communication bus for exchanges between the various external components of the system is particularly advantageous in that it makes it possible to facilitate the connection between the various members of the system and to exchange information between the sensor 40 , the motor 24 and various external control members such as the boiler regulator or other actuators.
  • the information picked up by the sensor 40 can be easily transmitted, via the electronic control 20 of the pump and the communication bus, not only to the boiler regulator but also to any other actuator that may need the information. in question, without the need to specifically wire the boiler regulator or any other actuator with the sensor 40.
  • This sensor 40 is preferably configured to capture the temperature and / or the pressure and / or the flow rate of a fluid flowing in the circulation zone.
  • the sensor 40 makes it possible to measure a physical quantity characteristic of the fluid circulating in the circulation zone via a sensing element situated at the level of the sensor head 42; the sensing element may be a sensitive element in particular to pressure, temperature or flow.
  • the sensor 40 makes it possible to measure at least one physical quantity that is characteristic of the fluid flowing in the circulation zone.
  • the head 42 of the sensor 40 will then have a corresponding number of sensing elements having the ability to perform the measurement for each of these different physical quantities.
  • a hydraulic installation comprising one or more fluid circulation channels.
  • This hydraulic installation comprises a circulation pump 20 according to any one of the embodiments mentioned above.
  • this hydraulic system comprises external control members, such as the boiler controller, the communication bus connecting the electronic control 22 with one or more of said external control members, so as to allow the exchange of information between the sensor 40, the electric motor 24 and the external control unit or controls.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP17208154.9A 2016-12-16 2017-12-18 Fluid-umwälzpumpe Active EP3336361B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1662693A FR3060671B1 (fr) 2016-12-16 2016-12-16 Pompe de circulation d'un fluide

Publications (2)

Publication Number Publication Date
EP3336361A1 true EP3336361A1 (de) 2018-06-20
EP3336361B1 EP3336361B1 (de) 2020-03-18

Family

ID=58547591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17208154.9A Active EP3336361B1 (de) 2016-12-16 2017-12-18 Fluid-umwälzpumpe

Country Status (2)

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EP (1) EP3336361B1 (de)
FR (1) FR3060671B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3617518A1 (de) * 2018-08-31 2020-03-04 Safran Aero Boosters SA Pumpe einer turbomaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0639715A1 (de) * 1993-08-18 1995-02-22 Grundfos A/S Vorrichtung zum Liefern von Flüssigkeit
US6527517B1 (en) * 1999-09-13 2003-03-04 Mannesmann Vdo Ag Pump
US20080044293A1 (en) * 2006-06-08 2008-02-21 Oase Gmbh Pump Arrangement with Speed Control
DE102013017975A1 (de) * 2013-11-29 2015-06-03 Fte Automotive Gmbh Elektromotorisch angetriebene Flüssigkeitspumpe, insbesondere zur Zwangsschmierung eines Schaltgetriebes für Kraftfahrzeuge
DE202016004596U1 (de) * 2015-07-28 2016-11-10 Industrie Saleri Italo S.P.A. Pumpengruppenpumpe mit Trägergehäuse und Stützplatte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0639715A1 (de) * 1993-08-18 1995-02-22 Grundfos A/S Vorrichtung zum Liefern von Flüssigkeit
US6527517B1 (en) * 1999-09-13 2003-03-04 Mannesmann Vdo Ag Pump
US20080044293A1 (en) * 2006-06-08 2008-02-21 Oase Gmbh Pump Arrangement with Speed Control
DE102013017975A1 (de) * 2013-11-29 2015-06-03 Fte Automotive Gmbh Elektromotorisch angetriebene Flüssigkeitspumpe, insbesondere zur Zwangsschmierung eines Schaltgetriebes für Kraftfahrzeuge
DE202016004596U1 (de) * 2015-07-28 2016-11-10 Industrie Saleri Italo S.P.A. Pumpengruppenpumpe mit Trägergehäuse und Stützplatte

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3617518A1 (de) * 2018-08-31 2020-03-04 Safran Aero Boosters SA Pumpe einer turbomaschine
BE1026581B1 (fr) * 2018-08-31 2020-03-31 Safran Aero Boosters Sa Pompe de turbomachine

Also Published As

Publication number Publication date
EP3336361B1 (de) 2020-03-18
FR3060671A1 (fr) 2018-06-22
FR3060671B1 (fr) 2021-01-22

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