EP3295025A1 - Procédé permettant de faire fonctionner un système de refoulement de fluide - Google Patents

Procédé permettant de faire fonctionner un système de refoulement de fluide

Info

Publication number
EP3295025A1
EP3295025A1 EP16723064.8A EP16723064A EP3295025A1 EP 3295025 A1 EP3295025 A1 EP 3295025A1 EP 16723064 A EP16723064 A EP 16723064A EP 3295025 A1 EP3295025 A1 EP 3295025A1
Authority
EP
European Patent Office
Prior art keywords
voltage
manipulator
electric motor
electrical network
fluid delivery
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.)
Withdrawn
Application number
EP16723064.8A
Other languages
German (de)
English (en)
Inventor
Gerald BEHRENDT
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP3295025A1 publication Critical patent/EP3295025A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • 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

Definitions

  • the invention relates to a method for operating a fluid delivery system, comprising a fluid delivery pump, a voltage manipulator and an electric motor, wherein the fluid delivery system is integrated into an electrical network and the electric motor is controllable by a voltage applied to the electric motor and the voltage manipulator is connected upstream of the electric motor.
  • fuel delivery pumps are used to deliver the fuel from the fuel tank to the engine.
  • electrically driven fuel delivery pumps are used which have a pump stage which can be driven by an electric motor.
  • the fuel delivery pumps must ensure fuel delivery over a wide operating range. For example, the fuel delivery pumps must provide a sufficient flow both at full load of the engine and at low speeds or at standstill of the motor vehicle.
  • the maximum capacity is the one hand, depends on the design of the fuel feed pump, whereby the maximum För ⁇ dermenge increases with increas ⁇ mender size of the fuel feed pump, and which is largely determined by the electric power on the other hand by the speed of the Pum ⁇ pennote.
  • the maximum flow rate therefore also depends di ⁇ rectly from the supply voltage of the electric motor and the voltage applied to the electric motor current.
  • the available electrical voltage in the on-board electrical system of a motor vehicle is regularly limited to a certain maximum, so that the voltage at the fuel delivery pump can not be increased arbitrarily and thus the maximum speed and thus the maximum flow rate is limited.
  • the booster is formed, for example, by an electrical circuit of several components.
  • a disadvantage of the known from the prior art devices is in particular that results from the use of the booster in operation, a disadvantageous power loss in elec ⁇ cal system, which causes in particular by the additional inductance of the booster and verwen ⁇ for the booster power semiconductors becomes. Furthermore, the boosters are not optimally controlled in order to optimally compensate for the resulting after ⁇ parts.
  • An embodiment of the invention relates to a method for operating a fluid delivery system, with a Fluidför- derpumpe, with a voltage manipulator and with an electric motor, wherein the fluid delivery system in an electric Network is integrated and the electric motor is driven by a voltage applied to the electric motor voltage and the voltage manipulator is connected upstream of the electric motor, wherein the following steps are passed through:
  • ⁇ determine the necessary speed of the fluid delivery pump for delivering the desired fluid flow rate
  • a fluid delivery system may in particular be a fuel delivery system for delivering fuel from a fuel tank to an internal combustion engine.
  • a fuel delivery system for delivering fuel from a fuel tank to an internal combustion engine.
  • water or oil circuits are possible.
  • a voltage manipulator is an electronic component, wel ⁇ ches may affect the voltage.
  • the stress manipulator may be formed of a single component or by a plurality of combined elements.
  • the control of the voltage manipulator ⁇ manipulator can, for example via a control ⁇ gene conditions.
  • boosters can be used, which serve to amplify and / or the weakening of electrical signals. In this case, only the voltage level per se can be changed or, for example, the switching frequency of a signal.
  • Thechrosmanipula ⁇ tor can be enabled in order to actively influence the voltage and thus for example to produce an increase or a Verrin ⁇ delay the voltage.
  • the increase and / or reduction in the voltage can be achieved in addition to or Anstel ⁇ le by activation of voltage manipulator.
  • the voltage manipulator can act as a filter for the switching frequencies in the electrical network.
  • an electrical network is meant an interconnection of one or more components, for example, controllers, energy sources and actuators. This can be formed for example by the on-board voltage network of a motor vehicle.
  • the electric motor of the fluid delivery system is connected to the electrical network such that its speed can be regulated.
  • the speed of the electric motor and thus also the connected to the electric motor fluid delivery pump is an essential criterion to determine the fluid delivery rate of the fluid delivery pump.
  • a ge ⁇ Wisse determinable speed level of the fluid feed pump is not ⁇ agile.
  • the desired speed level can be achieved by applying a suitable voltage to the electric motor.
  • the voltage manipulator can preferably be used to testify to a suitable voltage level at the electric motor ⁇ to it. This can ensure a sufficient fluid flow.
  • the fuel delivery system can be controlled both by the applied voltage and by a speed specification who ⁇ . In this case, however, there is a relationship between the applied fuel supply and the speed which is established at the fuel delivery pump and is dependent on the respective fuel delivery system and the operating conditions. Preferably, a voltage is also determined in a controlled via the speed of the fuel delivery system, which must be applied to the ⁇ fuel pump to reach the predetermined speed.
  • the electrical network is usually operated at a bestimm ⁇ th voltage level.
  • the voltage with which the electric motor can be acted upon by the electrical network is therefore limited. This is also a possible ma ⁇ ximum speed is limited, because it depends directly on the voltage on the electric motor. Should be required to secure Stel ⁇ development of fluid flow a speed which makes a voltage higher than the maximum voltage in the electrical network necessary, this speed can not be achieved without changing the voltage.
  • the voltage manipulator may appropriately boost the voltage of the electrical network to ultimately produce a voltage across the electric motor that is above the maximum voltage of the electrical network. The voltage manipulator can thus act as a voltage amplifier.
  • the voltage manipulator may also be used to lower the voltage to a level that can not be provided by the electrical network. This is particularly advantageous in order not to have to unnecessarily reduce the voltage in the rest of the electrical network, since, for example, other consumers require a higher voltage level.
  • the electric motor can be subjected to a very low voltage, resulting in a very low speed, while the voltage in the rest of the electrical network remains virtually unchanged.
  • a reduction in the speed can alternatively be achieved, for example, by reducing the modulation frequency of a pulse width modulated signal used to drive the electric motor.
  • acoustically adverse effects can be caused by a trailing reduction of the modulation frequency below a defined limit.
  • the predefined voltage range is preferably determined by the voltage level of the electrical network.
  • a preferred embodiment is gekennzeich ⁇ net characterized in that the electric network is operated with a predetermined supply voltage, wherein the voltage at which the electric motor is driven can be lowered by theistsmanipu ⁇ lator to a level below the supply voltage. This is advantageous in order to expand the available speed range of the electric motor and thus of the fluid pump as a whole.
  • the voltage manipulator acts here as a signal attenuator.
  • This is particularly advantageous ⁇ way, when the electric network is operated with a very high voltage which is applied either permanently or temporarily limited to the electrical network. This is the case for example in an electric vehicle, which re ⁇ regularly has a significantly higher mains voltage. In particular ⁇ special during recuperation, so the recovery of electrical energy from the movement of the electric vehicle, a very high voltage level in the electrical network can be ent.
  • the electrical network is operated with a predefinable mains voltage, wherein the voltage with which the electric motor is driven, by the voltage manipulator to a level above the mains voltage can be raised.
  • theistsmanipula ⁇ gate acts as a signal amplifier, in particular raising the voltage level of the signal relative to the voltage level of the electrical ⁇ rule network, whereby a higher speed at the electric motor and thus also at the fluid pump can be generated.
  • the range of use of a fluid delivery pump can thereby be increased towards the top, since the voltage gain allows operation at a higher speed.
  • the speed range of the electric motor and thus the fluid delivery pump is thereby increased.
  • the voltage can also be reduced below the voltage level of the rest of the electrical network. overall, the speed range will be able to reduce thus been extended ⁇ probably upwards as well as downwards.
  • theorsmanipu ⁇ lator acts as a filter between the electric motor and the rest of the electrical network.
  • a filter is particularly advantageous in order to keep differences, in particular in the switching frequency of the signals used, separated from each other before and after the voltage manipulator. For example, it is advantageous if the
  • the remaining electrical network is much higher than the Heidelbergfreguenz between the voltage manipulator and the electric motor.
  • the remaining electric network can be operated for example with a Wegfreguenz of about 500 kHz, thereby allowing a damping or filtering of the electrical network with simp ⁇ Cheren components and less effort than at significantly lower Heidelbergfreguenzen.
  • the voltage manipulator can nevertheless be designed in such a way that the electric motor is driven at a substantially lower switching frequency, which may be, for example, 20 kHz to 25 kHz.
  • the fluid delivery system is decoupled from the remaining electrical network with respect to the switching frequency of the drive signals by the voltage manipulator, wherein a lower switching frequency exists between the voltage manipulator and the electric motor than between the electrical network and the voltage manipulator.
  • This is advantageous in order to allow easy Fil ⁇ esterification and / or damping of the electrical network, while the electric motor can still be supplied with a driving signal having a best possible Druckfreguenz.
  • the voltage output by the voltage manipulator to the electric motor corresponds to the voltage in the rest of the electrical network, wherein the
  • thepolsmanipu ⁇ lator serves as a damper between the Wegfreguenz of the drive signal of the electric motor and the Wegfreguenz in restli ⁇ chen electrical network.
  • a damping function of the voltage manipulator is advantageous in order to achieve the widest possible decoupling of the voltage manipulator after ⁇ stored branch and the rest of the electrical network.
  • the voltage manipulator is formed by a booster, wherein the booster is constructed according to the ZETA principle or the SEPIC principle or the BUCK principle or the BOOST principle.
  • the booster is constructed according to the ZETA principle or the SEPIC principle or the BUCK principle or the BOOST principle.
  • the voltage generated by theistsmanipu ⁇ lator and led to the electric motor corresponds exactly to the required voltage to reach a certain speed of the fluid pump or for conveying ei ⁇ ner desired fluid flow rate. This is before ⁇ geous to allow the most energy-efficient operation of the fluid delivery system.
  • a small t ⁇ ner sized fluid delivery pump can be used, which is particularly optimized for energy efficiency.
  • a voltage manipulator can be used, which is particularly optimized for energy efficiency.
  • These are operated in an energetically optimal range and, if necessary, can be raised to a higher speed level by using the voltage manipulator.
  • the loss of efficiency, which inevitably arises through the use of a voltage manipulator can be compensated by the operation of the rest of the electrical network and in particular the electric motor upstream power level in a particularly optimal range, creating a total energy efficient operation is possible.
  • a power stage for block commutation is arranged between the voltage manipulator and the electric motor, the power stage is operated with a duty cycle of 90% to 100% and the speed of the electric motor is controlled by the voltage output by theistsma ⁇ nipulator , Especially be ⁇ vorzugt the duty cycle is about 100% of the power stage.
  • the block commutation of Elekt ⁇ romotors is achieved, which in particular a brushless DC motor can be operated advantageously.
  • the power stage may be operated with different duty cycles, the duty cycle indicating the ratio between the pulse duration and the period of pulses emanating from the power stage.
  • the duty cycle is as high as possible and ideally 100%.
  • the entste ⁇ rising power dissipation can be optimized in particular by being lowered.
  • the speed control of the electric motor by a variation of the duty cycle in the power level he follow ⁇ .
  • operating situations can occur which are energetically unfavorable due to a low Tastver- ratio, since the power level in this area a high power loss is generated. It is more advantageous to achieve an operation of the power stage with the highest possible duty cycle in order to minimize the power loss due to the power level.
  • the pre ⁇ switch a voltage manipulator, a variation of the speed of the electric motor can be achieved even at a consistently ho ⁇ hen TastVerstill the power level.
  • Fig. 1 is a block diagram illustrating the procedural rensuzee the method
  • FIG. 2 shows a block diagram for clarifying the separation of the frequency ranges in the remaining electrical network and the distance between the voltage nipulator and the electric motor by the voltage manipulator.
  • FIG. 1 shows a block diagram 1, wherein the block ⁇ diagram illustrating the individual steps of the erfindungsge ⁇ MAESSEN method.
  • the desired fluid delivery rate is determined.
  • This can, for example, a suitable sensor mare ⁇ hen or by a preset from a control unit.
  • the fluid delivery rate is in the case of a fuel delivery system regularly ⁇ known in the engine control unit exactly and can be made available as a value of this.
  • a rotational speed is determined with which the fluid delivery pump has to rotate in order to convey the corresponding amount of fluid.
  • ⁇ included the addition other values, such as the pressure in the fluid delivery system, the temperature of the fluid to be delivered or the viscosity of the fluid to be delivered.
  • the properties of the fluid delivery system which are determined by the respective structural design, can be incorporated into the determination of the speed.
  • the block 4 is used to determine the voltage that is required to make the fluid pump driving the electric motor rotate at the determined speed.
  • the speed of electric motors can be determined, inter alia, in particular by the variation of the voltage applied to the electric motors.
  • a voltage manipulator is activated, which influences the voltage signal in such a way that an increase or a reduction of the voltage is achieved. This then results in an increase or a reduction in the speed of the electric motor.
  • the voltage manipulator can change the voltage to a value well above or below the inserted ⁇ introduced into it tension. Also, by activating the voltage manipulator, only a change in the switching frequency of the voltage can be achieved without increasing or decreasing the amplitude.
  • FIG. 2 shows a block diagram 6 which shows a connection of the voltage manipulator 7 to an electric motor 8. Links from the voltage manipulator 7, the remaining electrical network is indicated. This can, for example, voltage sources, control devices and other consumer contained ⁇ th.
  • the right of the voltage manipulator 7 is an electrical Stre ⁇ bridge 9 shown via which the voltage manipulator 7 is electrically conductively connected to a power stage 10 degrees.
  • the power stage 10 is used for the block commutation of the voltage output by the voltage manipulator 7 or the voltage signal.
  • Blockkommutierung example ⁇ a brushless DC motor can be driven.
  • a filter 11 is arranged, which serves for filtering the voltage output by the voltage manipulator 7 voltage.
  • the voltage manipulator 7 is preferably a so-called booster, which is formed from a circuit of a plurality of electrical and / or elec-tronic elements.
  • the booster may be constructed according to the various principles known in the art.
  • the voltage manipulator 7 can also cause a frequency decoupling between the remaining electrical network indicated on the left and the path 9 between the voltage manipulator 7 and the electric motor 8 become.
  • the distance 9 to the electric motor 8 is preferably operated with a Wegfreguenz of about 20 kHz, while the remaining electrical network operated at a much higher ⁇ ren switching frequency of, for example, 500 kHz.
  • a further filter is shown, which allows a Filterrung coming from the remaining electrical network voltages and voltage signals in front of the voltage manipulator 7.
  • FIGS. 1 and 2 have, in particular, no limiting character and serve to clarify the inventive concept.
  • the voltage manipulator represented by the block 7 can be designed in a very diverse manner.
  • the connection of the electric motor 8, as shown in Figure 2, is single ⁇ Lich exemplary and does not exclude alternative embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
  • Control Of Electric Motors In General (AREA)
  • Dc-Dc Converters (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un procédé permettant de faire fonctionner un système de refoulement de fluide comprenant une pompe de refoulement de fluide, un manipulateur de tension (7) et un moteur électrique (8). Le système de refoulement de fluide est intégré dans un réseau électrique, le moteur électrique (8) peut être activé par une tension appliquée au moteur électrique (8) et le manipulateur de tension (7) est monté en aval du moteur électrique (8). Le procédé comprend les étapes suivantes : la détermination de la quantité souhaitée de fluide à refouler ; la détermination de la vitesse de rotation de la pompe de refoulement de fluide nécessaire pour le refoulement de la quantité souhaitée de fluide à refouler ; la détermination de la tension nécessaire pour atteindre la vitesse de rotation nécessaire de la pompe de refoulement de fluide ; l'activation du manipulateur de tension (7) pour atteindre la tension nécessaire.
EP16723064.8A 2015-05-11 2016-05-10 Procédé permettant de faire fonctionner un système de refoulement de fluide Withdrawn EP3295025A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015208680.1A DE102015208680A1 (de) 2015-05-11 2015-05-11 Verfahren zum Betrieb des Fluidfördersystems
PCT/EP2016/060373 WO2016180800A1 (fr) 2015-05-11 2016-05-10 Procédé permettant de faire fonctionner un système de refoulement de fluide

Publications (1)

Publication Number Publication Date
EP3295025A1 true EP3295025A1 (fr) 2018-03-21

Family

ID=56008604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16723064.8A Withdrawn EP3295025A1 (fr) 2015-05-11 2016-05-10 Procédé permettant de faire fonctionner un système de refoulement de fluide

Country Status (10)

Country Link
US (1) US20180135607A1 (fr)
EP (1) EP3295025A1 (fr)
JP (1) JP2018515059A (fr)
KR (1) KR20180006406A (fr)
CN (1) CN107548436A (fr)
BR (1) BR112017022389A2 (fr)
CA (1) CA2983558A1 (fr)
DE (1) DE102015208680A1 (fr)
RU (1) RU2017134943A (fr)
WO (1) WO2016180800A1 (fr)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6134369A (ja) * 1984-07-26 1986-02-18 Ebara Corp 可変速給水装置
JPH09163747A (ja) * 1995-12-01 1997-06-20 Matsushita Electric Ind Co Ltd アクティブフィルタ
JP2001289549A (ja) * 2000-04-05 2001-10-19 Hitachi Ltd 冷蔵庫制御装置
DE10137315A1 (de) * 2001-07-31 2003-02-20 Volkswagen Ag Schaltungsanordnung und Verfahren zur Regelung einer elektrischen Kraftstoffpumpe in einem rücklauffreien Kraftstoff-Fördersystem
DE10322404B4 (de) * 2003-05-16 2011-02-03 Alldos Eichler Gmbh Dosierpumpe und Verfahren zu deren Steuerung
EP1809951B1 (fr) * 2004-10-29 2019-01-30 Carrier Corporation Réglage d'un variateur de vitesse
CN2871915Y (zh) * 2005-10-31 2007-02-21 广州市佳尔华新鑫机械设备有限公司 一种混凝土输送泵恒功率自动控制装置
EP2027798A1 (fr) * 2007-08-20 2009-02-25 Nestec S.A. Module de fabrication de boissons et procédé de fonctionnement du module de fabrication de boissons
CN101634291A (zh) * 2008-07-23 2010-01-27 微创医疗器械(上海)有限公司 一种泵的输出液量的控制系统及控制方法
AT509300A1 (de) * 2009-09-01 2011-07-15 Hagleitner Hans Georg Pumpe mit netzgeräteregler
DE102010004658A1 (de) * 2009-11-25 2011-05-26 Continental Automotive Gmbh Verfahren zum Betreiben einer Kraftstoffpumpe in einem Kraftfahrzeug und Kraftstoffpumpe
EP2640973B1 (fr) * 2010-11-17 2018-10-03 KSB SE & Co. KGaA Procédé et dispositif de réglage pour la régulation à vitesse variable d'un groupe pompe volumétrique et ensemble de pompe volumétrique
JP2013183475A (ja) * 2012-02-29 2013-09-12 Fujitsu Ten Ltd モータの制御装置及び制御方法
DE102012206519A1 (de) * 2012-04-20 2013-10-24 Robert Bosch Gmbh Konstantpumpe mit einer in einem Datenspeicher gespeicherten Kennlinie
US8997904B2 (en) * 2012-07-05 2015-04-07 General Electric Company System and method for powering a hydraulic pump
DE102013003512B4 (de) * 2013-03-04 2020-12-10 Wabco Gmbh Spannungsversorgung in einem Bordnetz für einen Verdichter einer Luftversorgungsanlage
DE102013206445A1 (de) * 2013-04-11 2014-10-16 Robert Bosch Gmbh Verfahren zum Betrieb eines Niederdruck-Kraftstofffördersystems und ein Niederdruck-Kraftstofffördersystem
US10018137B2 (en) * 2014-11-21 2018-07-10 Honda Motor Co., Ltd Control device for fuel injection system

Also Published As

Publication number Publication date
DE102015208680A1 (de) 2016-11-17
CN107548436A (zh) 2018-01-05
RU2017134943A (ru) 2019-04-05
KR20180006406A (ko) 2018-01-17
CA2983558A1 (fr) 2016-11-17
US20180135607A1 (en) 2018-05-17
JP2018515059A (ja) 2018-06-07
BR112017022389A2 (pt) 2018-07-10
WO2016180800A1 (fr) 2016-11-17

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