EP3279475B1 - Procede de pilotage d'une pompe a membrane ondulante, et systeme pilote de pompe a membrane ondulante - Google Patents

Procede de pilotage d'une pompe a membrane ondulante, et systeme pilote de pompe a membrane ondulante Download PDF

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Publication number
EP3279475B1
EP3279475B1 EP17179623.8A EP17179623A EP3279475B1 EP 3279475 B1 EP3279475 B1 EP 3279475B1 EP 17179623 A EP17179623 A EP 17179623A EP 3279475 B1 EP3279475 B1 EP 3279475B1
Authority
EP
European Patent Office
Prior art keywords
diaphragm pump
operating parameter
undulating
frequency
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17179623.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3279475A1 (fr
Inventor
Florian DUMAS
Bruno Reynard
Mathieu RUDLOFF
Nicolas Travers
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.)
Safran Aerosystems SAS
Original Assignee
Zodiac Aerotechnics 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 Zodiac Aerotechnics SAS filed Critical Zodiac Aerotechnics SAS
Publication of EP3279475A1 publication Critical patent/EP3279475A1/fr
Application granted granted Critical
Publication of EP3279475B1 publication Critical patent/EP3279475B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0018—Special features the periphery of the flexible member being not fixed to the pump-casing, but acting as a valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0202—Voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0204—Frequency of the electric current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0401—Current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0402—Voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0404—Frequency of the electric current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/04—Motor parameters of linear electric motors
    • F04B2203/0408—Power

Definitions

  • the present invention relates to the technical field of undulating diaphragm pumps and relates, more particularly, to a method of controlling an undulating diaphragm pump, as well as to an undulating diaphragm pump controlled system.
  • the invention is applicable in all fields using an undulating diaphragm pump, but finds an advantageous application in the field of aeronautics where the undulating diaphragm pumps can be used, for example, for the discharge of wastewater contained in a water retention tank of a toilet gray water management system of an aircraft, or for circulating fuel in the aircraft.
  • an undulating diaphragm pump comprising, in general, a pump body delimiting a chamber in which an intake pipe and an exhaust pipe open.
  • the undulating diaphragm pump comprises an undulating membrane, capable of having a central opening, extending into the chamber of the undulating diaphragm pump, in particular between a lower flange and an upper flange of the undulating diaphragm pump.
  • the undulating diaphragm pump comprises actuating means for actuating the undulating membrane, electrically powered by a voltage at a given frequency.
  • the actuating means in particular make it possible to oscillate and undulate the undulating membrane.
  • the undulating membrane is able to move respectively between the lower flange and the upper flange of the undulating diaphragm pump to a frequency equivalent to the power supply frequency of the actuating means.
  • an inverter is arranged to generate a periodic alternating power supply at the given frequency.
  • the undulating diaphragm oscillates and waves so as to propagate a wavefront which causes, on the one hand, a pumping of a fluid to be pumped from the intake pipe to the chamber of the undulating diaphragm pump and, on the other hand, a discharge of the fluid to be pumped from the chamber of the undulating diaphragm pump to the exhaust pipe.
  • This type of undulating diaphragm pump is entirely satisfactory in that it requires reduced maintenance, and in that it is sensitive neither to the phenomena of cavitation, nor to the quantity and size of the waste or foreign bodies potentially present in the fluid to be pumped.
  • One of the aims of the invention is therefore to provide a method for controlling an undulating diaphragm pump, as well as a controlled undulating diaphragm pump system, which make it possible to optimize the use of a pump with an undulating diaphragm pump.
  • undulating membrane in particular by reducing its energy consumption, and by increasing its efficiency.
  • the present invention also proposes to improve any operating parameter of the undulating diaphragm pump, in particular as a function of the application concerned.
  • an undulating diaphragm pump comprising at least one undulating membrane and means for actuating the undulating membrane, the actuating means being powered electrically at a given frequency or voltage to oscillate and undulate the undulating membrane.
  • the method consists in modifying the frequency and / or the electrical supply voltage of the actuating means as a function of at least one previously determined operating parameter of the undulating diaphragm pump.
  • the undulating diaphragm pump it is possible to modify the frequency and / or the electrical supply voltage of the actuating means of the undulating diaphragm to vary at least one parameter of operation of the undulating diaphragm pump so that it operates optimally, depending on the application concerned.
  • the operation of the undulating diaphragm pump is optimized in that the undulating diaphragm pump consumes as little energy as possible while having maximum efficiency.
  • Changing the frequency and / or voltage of the power supply means for actuating the undulating membrane can also make it possible to operate the undulating diaphragm pump at a desired operating level.
  • the oscillation frequency of the undulating membrane must, for example, be equivalent to a resonance frequency defined by the internal characteristics of the undulating diaphragm pump and the fluid to be pumped.
  • the oscillation frequency of the undulating diaphragm is dictated by the power supply frequency of the aircraft electrical network.
  • the control method according to the invention makes it possible, for example, to modify the frequency and / or the electrical supply voltage of the actuating means of the undulating diaphragm, so as to vary the oscillation frequency of the undulating membrane so that it reaches the resonance frequency specific to the undulating diaphragm pump which, as mentioned above, also depends on the fluid to be pumped.
  • the step of checking whether the operating parameter determined to reach the predetermined target value may consist in checking whether it is within a predetermined value range.
  • the step of checking whether the determined operating parameter has reached the predetermined target value may also consist in checking whether the determined operating parameter has reached a maximum or minimum value, of so that the frequency and / or the power supply voltage is successively increased and decreased to determine whether the determined operating parameter has reached the maximum or minimum value.
  • the variation of the frequency and / or the power supply voltage can obey a control logic according to the determined operating parameter.
  • the invention also relates to a controlled undulating diaphragm pump system according to claim 10.
  • the controlled undulating diaphragm pump system comprises a pump, comprising in particular an undulating diaphragm and means for actuating the undulating diaphragm fed electrically at a frequency and / or a given voltage to oscillate and undulate the undulating membrane.
  • the undulating diaphragm pump controlled system comprises a control unit able to control the actuating means as a function of at least one predetermined operating parameter of the undulating diaphragm pump.
  • control unit comprises a regulator of the frequency and / or of the electrical supply voltage, arranged between the power supply and the actuating means.
  • the undulating diaphragm pump controlled system may comprise measuring means capable of sending at least one measurement of at least one operating parameter of the undulating diaphragm pump to the regulating organ.
  • the invention relates to a pilot system (1) for an undulating diaphragm pump (2), the use of which is optimized, for example, to operate according to the actual need of the pumping characteristics.
  • a pilot system (1) for an undulating diaphragm pump (2) the use of which is optimized, for example, to operate according to the actual need of the pumping characteristics.
  • the undulating diaphragm pump (2) comprises a pump body (3) delimiting a chamber (4) into which an intake pipe (5) and an exhaust pipe (6).
  • the undulating diaphragm pump (2) comprises a diaphragm undulating member (7) extending into the chamber (4), in particular a disk-shaped undulating membrane (7) having a circular central opening (8).
  • the undulating membrane (7) is obtained in a deformable material such as a silicone elastomer for example or the like.
  • the undulating membrane (7) is arranged between a lower flange and an upper flange.
  • the undulating diaphragm pump (2) comprises actuating means (9) for oscillating and undulating the undulating membrane (7) to thereby allow pumping operations as such.
  • the actuating means (9) are powered by a power supply (10) delivering a voltage and / or a given power supply frequency.
  • the actuating means (9) make it possible to convert the electrical energy supplied by the power supply (10) into an alternating movement, advantageously into a linear reciprocating motion.
  • the reciprocating motion causes the oscillation movement and the undulation of the undulating membrane (7).
  • the undulating membrane (7) is subjected to a movable structure (11) connected to actuating means (9) in the form of an electromagnet (12) comprising a movable magnet (13).
  • the electromagnet (12) when the electromagnet (12) is electrically powered by the power supply (10), the movable magnet (13) oscillates and causes the oscillation of the movable structure (11) and thus the oscillation and rotation. undulation of the undulating membrane (7).
  • the oscillation and undulation of the undulating membrane (7) generates a wavefront causing the circulation of a fluid to be pumped through the diaphragm pump (2).
  • the mobile structure (11) also in the form of a disk, also protects the undulating membrane (7).
  • the controlled undulating diaphragm pump system (1) comprises a control unit (14), such as an electronic computer, for sensing signals and setting steering commands.
  • the control unit (14) is arranged between the actuating means (9) and the power supply (10). In other words, the control unit (14) is powered electrically and controls the power supply of the actuating means (9) of the undulating diaphragm pump (2).
  • the control unit (14) manages the electrical / electronic interfaces of the undulating diaphragm pump (2). In addition, the control unit (14) makes it possible to create an output signal (18), in particular an electric power signal that can be sent to the actuating means (9) of the undulating membrane (7) of the undulating diaphragm pump (2).
  • control unit (14) comprises a regulating member (15).
  • the regulating member (15) is able to modify and / or regulate the frequency and / or the electrical supply voltage of the actuating means (9).
  • a software and / or a possibly programmable logic circuit comprises the regulating member (15) of the frequency and / or of the electrical supply voltage of the actuating means (9).
  • the regulating member (15) receives, as input, an input signal (19), in particular an input voltage and / or a power supply input frequency, such as for example 400 Hz, originating from example of the electrical network of an aircraft At the output, the regulating member (15) delivers the output signal (18), in particular an output frequency and / or an output voltage, preferably an output frequency and / or a regulated output voltage, which supplies the actuating means (9) of the undulating membrane (7).
  • the regulating member (15) regulates the frequency and / or the electrical supply voltage of the actuating means (9) as a function of at least one predetermined operating parameter, in particular previously measured or calculated, of the pump with undulating membrane (2).
  • the regulator (15) can vary the frequency and / or the power supply voltage of the actuating means (9) according to one or more determined target values to be achieved for one or more parameters. determined operating conditions.
  • the regulating member (15) can vary the frequency and / or the power supply voltage according to a tolerance value range in which the measured or calculated parameter (s) must be located.
  • the regulator (15) can also regulate the frequency and / or the power supply voltage so as to comply with a control logic.
  • the input voltage delivered by the power supply (10) is continuous.
  • the control unit (14) can also integrate a DC / AC converter (16) for generating a periodic AC output voltage for supplying the actuating means (9) of the undulating membrane (7).
  • measuring means (17) are also connected either to the regulator (15) or, if appropriate, to the DC / AC converter (16), or directly to the diaphragm pump. undulating (2).
  • the measuring means (17) are able to measure, as operating parameters of the undulating diaphragm pump (2), the output signal (18) of the regulating member (15) and / or the continuous converter / alternative (16).
  • the processing unit of the control unit (14) is able to compare the output signal (18) with the input signal (19), in particular in the regulating member (15).
  • the measuring means (17) may be of different types depending on the parameter to be measured. They can, for example, include sensors, such as pressure sensors, flow, temperature.
  • the control unit (14) calculates, or the measuring means ( 17) measure at least one operating parameter of the undulating diaphragm pump (2). If several operating parameters are measured or calculated, these can be taken singly or in combination.
  • control unit (14) or the measuring means (17) send the value of the measured or calculated operating parameter to the regulator (15).
  • a verification step (B) the regulator (15) performs a check of whether the measured operating parameter (s) has reached a target value (s). (s) predetermined.
  • the predetermined target value (s) may be of different types. It may be, for example, to check whether one of the measured or calculated operating parameters has reached a particular value, or whether it has reached a multitude of target values defining in particular a range of tolerances for the measured or calculated operating parameter.
  • the regulator (15) determines that the measured / calculated operating parameter (s) have not reached the target value (s). (s) predetermined (s), in an adaptation step (C), the regulating member (15) varies the input signal (19), in particular the frequency and / or the power supply voltage actuating means (9). It is then proceeded to a new measurement or a new calculation of the operating parameter, according to step (A) measurement or calculation described above, and to a new verification according to the verification step (B) described above.
  • the oscillation frequency of the undulating diaphragm (7) influences the flow rate of the undulating diaphragm pump (2), while the supply voltage influences the oscillation amplitude of the undulating diaphragm (7), and thus allows to vary the power of the undulating diaphragm pump (2).
  • the flow rate and operating power of the undulating diaphragm pump (2) are not constant. The invention This makes it possible to optimize the control of the undulating diaphragm pump (2) so that it always operates optimally.
  • the invention provides a method of controlling an undulating diaphragm pump (2), as well as a controlled system (1) of undulating diaphragm pump (2), which make it possible to optimize use of the undulating diaphragm pump (2), by regulating the power supply of the undulating diaphragm pump (2) according to the actual need and the application concerned.
  • the invention thus makes it possible to regulate the energy consumption of the undulating diaphragm pump (2), to optimize the efficiency, as well as any calculable or measurable operating parameter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Inverter Devices (AREA)
EP17179623.8A 2016-08-02 2017-07-04 Procede de pilotage d'une pompe a membrane ondulante, et systeme pilote de pompe a membrane ondulante Active EP3279475B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1657507A FR3054861B1 (fr) 2016-08-02 2016-08-02 Procede de pilotage d'une pompe a membrane ondulante, et systeme pilote de pompe a membrane ondulante

Publications (2)

Publication Number Publication Date
EP3279475A1 EP3279475A1 (fr) 2018-02-07
EP3279475B1 true EP3279475B1 (fr) 2019-03-13

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ID=57121371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17179623.8A Active EP3279475B1 (fr) 2016-08-02 2017-07-04 Procede de pilotage d'une pompe a membrane ondulante, et systeme pilote de pompe a membrane ondulante

Country Status (8)

Country Link
US (1) US20180038364A1 (pt)
EP (1) EP3279475B1 (pt)
JP (1) JP2018021552A (pt)
BR (1) BR102017015730A2 (pt)
CA (1) CA2973869A1 (pt)
ES (1) ES2718423T3 (pt)
FR (1) FR3054861B1 (pt)
RU (1) RU2017126314A (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9968720B2 (en) 2016-04-11 2018-05-15 CorWave SA Implantable pump system having an undulating membrane
US10166319B2 (en) 2016-04-11 2019-01-01 CorWave SA Implantable pump system having a coaxial ventricular cannula
CN110636873B (zh) 2017-03-31 2022-06-14 科瓦韦公司 具有矩形薄膜的可植入泵系统
FR3073578B1 (fr) 2017-11-10 2019-12-13 Corwave Circulateur de fluide a membrane ondulante
US10188779B1 (en) 2017-11-29 2019-01-29 CorWave SA Implantable pump system having an undulating membrane with improved hydraulic performance
CN113795295A (zh) 2019-03-15 2021-12-14 科瓦韦公司 用于控制可植入血泵的系统及方法
CN111140473B (zh) * 2019-12-24 2021-06-11 上海浩洋泵阀制造有限公司 隔膜泵远程控制系统
KR20220117924A (ko) * 2019-12-29 2022-08-24 액타시스 인코포레이티드 능동 유동 제어 액츄에이터를 사용한 온도 제어
WO2021176423A1 (en) 2020-03-06 2021-09-10 CorWave SA Implantable blood pumps comprising a linear bearing
US12017059B2 (en) 2022-11-15 2024-06-25 CorWave SA Implantable heart pump systems including an improved apical connector and/or graft connector

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FR972512A (fr) * 1947-09-26 1951-01-31 Compresseur ou pompe électromagnétique
FR2650862B1 (fr) * 1989-08-11 1991-11-08 Salmson Pompes Dispositif de propulsion d'un fluide
FI93579C (fi) * 1993-08-20 1995-04-25 Vaisala Oy Sähköstaattisen voiman avulla takaisinkytketty kapasitiivinen anturi ja menetelmä sen aktiivisen elementin muodon ohjaamiseksi
WO2005119062A1 (fr) * 2004-05-26 2005-12-15 Viacor Circulateur de fluide a membrane rigide
DE102007050407A1 (de) * 2007-10-22 2009-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Pumpe, Pumpenanordnung und Pumpenmodul
JP5502017B2 (ja) * 2011-04-15 2014-05-28 株式会社テクノ高槻 電磁振動型ダイヤフラムポンプ
WO2013026485A1 (en) * 2011-08-25 2013-02-28 Ecolab Inc. A diaphragm pump for dosing a fluid capable of automatic degassing and an according method
FR3021074B1 (fr) * 2014-05-14 2016-05-27 Saint Gobain Performance Plastics France Pompe a membrane

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
EP3279475A1 (fr) 2018-02-07
RU2017126314A (ru) 2019-01-24
FR3054861B1 (fr) 2019-08-23
ES2718423T3 (es) 2019-07-01
JP2018021552A (ja) 2018-02-08
CA2973869A1 (fr) 2018-02-02
RU2017126314A3 (pt) 2020-08-26
FR3054861A1 (fr) 2018-02-09
BR102017015730A2 (pt) 2018-05-15
US20180038364A1 (en) 2018-02-08

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