EP1126177B1 - Interface électro-hydraulique - Google Patents

Interface électro-hydraulique Download PDF

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Publication number
EP1126177B1
EP1126177B1 EP01101872A EP01101872A EP1126177B1 EP 1126177 B1 EP1126177 B1 EP 1126177B1 EP 01101872 A EP01101872 A EP 01101872A EP 01101872 A EP01101872 A EP 01101872A EP 1126177 B1 EP1126177 B1 EP 1126177B1
Authority
EP
European Patent Office
Prior art keywords
pump housing
housing
valve
contact
interface
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.)
Expired - Lifetime
Application number
EP01101872A
Other languages
German (de)
English (en)
Other versions
EP1126177A3 (fr
EP1126177A2 (fr
Inventor
Waldemar Stephan
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 SE
Original Assignee
Wilo AG
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Filing date
Publication date
Application filed by Wilo AG filed Critical Wilo AG
Publication of EP1126177A2 publication Critical patent/EP1126177A2/fr
Publication of EP1126177A3 publication Critical patent/EP1126177A3/fr
Application granted granted Critical
Publication of EP1126177B1 publication Critical patent/EP1126177B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine

Definitions

  • the present invention relates to a modular system comprising a feed pump with an impeller arranged in a pump housing, wherein the feed pump is operated by an electronically controlled electric motor whose control electronics are housed in an electronics housing arranged on the motor housing.
  • the invention also relates to a multi-way valve and a centrifugal pump.
  • German patent application DE 38 07 832 A1 shows an electric motor operated pump, wherein on the electric motor housing, an electrical connection module is attached, which is connectable via a plug-on the connection module electrical module with a motor speed determining changeover, the changeover plug in turn pluggable with connected to the module.
  • the subject invention of this document thus relates to a purely electrical modular plug-in system, which rests against the housing of the electric motor.
  • hydraulic interface can have, for example, a flat base in which the ducts open.
  • the mouth openings of the channels are with an approach in the art a flange which can be placed on a corresponding counterpart on the interface of another hydraulic component.
  • heating circuits comprising a boiler and a centrifugal pump which can be placed on the boiler directly or via a three-way valve.
  • a problem with the known systems is that those components which depend on an electrical supply have to be contacted individually with a voltage source, or that sensors which are sometimes arranged inside the components are connected via external lines to a central control electronics have to.
  • this "loose" contacting requires considerable installation effort and, on the other hand, is accompanied by an increased susceptibility to failure of the system.
  • the individual loose cables can be torn off and thus disrupt the running of the system.
  • the object of the present invention is thus, on the one hand, to provide a modular system whose components can be coupled in a simple manner via hydraulic interfaces and at the same time offers a simple and cost-effective possibility of electrical contacting of the individual components for supply and data transmission with great reliability.
  • the essential aspect of the invention is the combination of the known hydraulic interface with an electrical interface, which automatically contacts when assembling the hydraulic components. In this way, a comfortable system for contacting individual components is created. Loose cable connections are no longer needed, resulting in a Significant increase in operational safety and ease of maintenance of the entire system contributes.
  • Components that can be switched into the system include, on the one hand, components to be switched such as valves and, on the other hand, sensors which supply important parameters for the control and regulation. During assembly of the individual components, a step, namely the contact, saved, which contributes to a considerable workload.
  • control electronics advantageously comprises, in addition to the semiconductor components, an independent microprocessor which can be used for control tasks.
  • This microprocessor can be supplied via the electrical interface information from externally mounted in the components sensors or control signals can be sent to the components.
  • the ehedem in the pump existing microprocessor can thus be used for any tasks of other components, resulting in a saving of intelligent components in these other components.
  • the electrical interface moreover, the power supply of the mounted in the hydraulic components electric drives can be accomplished.
  • an electrical plug connection designed as an interface is provided according to the invention via which an electrical or electronic component arranged on the pump housing, for example a sensor located in or on the pump housing, can be connected to the control electronics of the pump motor ,
  • the connector is created automatically when assembling the components pump housing and electronics housing.
  • the pump housing has on its base facing away from the engine to an electrical interface, which is connectable to other external components.
  • This interface can be used in combination with the interface between the electronics housing and the Pump housing are provided, with both advantageously
  • Interfaces are connected via a running within the pump housing line. This attached to the pump housing "external" interface can also be contacted directly with the control electronics.
  • the pump housing has a suction nozzle and a discharge nozzle, which are both introduced in a direction perpendicular to the axis of rotation of the impeller and forming the hydraulic interface end wall of the pump housing, wherein the suction nozzle is arranged coaxially with the impeller.
  • sockets female contacts
  • double connector double-male contact
  • the contacting is not inevitable, but must be made by inserting the double-male contact.
  • the connectors are particularly easy and safe to contact when, when the components are joined together, a male contact mounted on the base plate of one component inevitably collides with the female contact mounted on the base plate of the other component.
  • the current-carrying contacts that is to say in particular the contacts discharging from the control electronics, are designed as female contacts in order to minimize the risk of short-circuits and electric shocks.
  • the pump housing which contacts on the side facing the electric motor in particular by means of male contact with the electronics housing, on the side facing away from the motor, a second shaped in particular as a female contact plug contact for contacting a the pump housing placed on electrical component to be supplied hydraulic, for example a electrically switchable valve or a sensor having. It is advantageous that the first contact with the second contact is connected by a line running in the pump housing, in particular a plugged into the housing or molded by the housing conductor plate. In this way, the pump housing can serve as an electrical connection to other components.
  • the electrical interface can generally comprise a plurality of lines which, as is usual with data buses, have a small cross section and / or have a correspondingly larger cross section for the power line. Of the passing through the housing of a component lines individual lines can be diverted into the respective component according to the need.
  • Particularly suitable as hydraulic components are electrically driven multi-way valves with a valve housing which surrounds a valve body and which has two mutually parallel base surfaces with connection openings introduced therein, corresponding to the pump housing, wherein each base surface forms in each case a hydraulic interface.
  • a valve housing which surrounds a valve body and which has two mutually parallel base surfaces with connection openings introduced therein, corresponding to the pump housing, wherein each base surface forms in each case a hydraulic interface.
  • FIG. 1 a driven by an electronically controlled electric motor 1 pump is shown, in which pump housing 2, an unillustrated impeller is rotatably mounted.
  • the motor 1 is driven via a arranged in an electronics housing 3 electronics, wherein the electronics housing 3 is placed on the motor 1.
  • an electrical connector 4 is arranged in the form of an interface, via this electrical interface 4, an electronic component connected to the pump housing, in this case a three-way valve 5, can be connected to the control electronics.
  • the connection of the three-way valve via a second electrical interface 6, which is arranged between the pump housing and the valve 5.
  • the component could also be a housed in the pump housing 2 sensor.
  • the electrical interfaces 4 and 6 are connected by means of a running within the pump housing line 14 (broken line).
  • the pump is a centrifugal pump
  • the pump housing has a central suction nozzle 7 and a discharge nozzle 8, wherein both nozzles 7, 8 in a parallel to the impeller aligned and a hydraulic interface forming end wall 9 of the pump housing 2 are introduced (sectional drawing).
  • the electrical interface 6 for contacting the valve 5 located in the corresponding counter-contact 6 ' is applied.
  • the three-way valve 5 has a valve housing which surrounds a valve body and which forms two hydraulic interfaces with two flat and parallel base surfaces 10 and 11 with connection openings introduced therein.
  • the connection openings in the pump-facing base 10 correspond to the connections of the pump.
  • the openings in the base surface 11 facing away from the pump form two alternative inlet openings 12 and an outlet opening 13.
  • On the base 10 of the plug contact 6 'for contacting the mating contact 6 is provided.
  • FIG. 2 shows a three-way valve with a valve housing 20 in section and in a partial plan view.
  • the almost square valve housing 20 has the mutually parallel base surfaces 10 and 11 with the openings introduced therein.
  • the inlet openings 12 are arranged decentralized and mirror-symmetrical to the central axis 21 of the valve 5.
  • the decentralized outlet 13 is an inserted into the edge of the valve housing 20 through hole, which connects the two base surfaces 10 and 11. It should be noted that the geometric distribution of the openings according to FIG. 2 does not exactly correspond to their position according to FIG. 1 but is shown rotated by 45 °. With its base 11, the valve 5 can be placed on a correspondingly shaped connection flange of a boiler, not shown.
  • a valve body 22 is rotatably mounted about the axis 21, which, like the other parts, is made of plastic and whose outer contour has the rotationally symmetrical shape of a spherical segment.
  • the substantially hollow valve body 22 is inserted in the axial direction (arrow A) in the valve housing 20 and forms with its walls an S-shaped continuous channel 23, which is formed hydraulically favorable.
  • the valve body 22 is rotatably supported about its axis of symmetry 21 and shown in a position in which one channel 23 is open and the other channel 24 is closed.
  • the symmetry axis 21 is aligned perpendicular to the base surfaces 10 and 11.
  • the seat of the valve body 20 inserted into the valve body 22 forms a seat body 25, which has a corresponding to the spherical shell formed as a lateral surface of the valve body 22 shaped seat surface 26.
  • the seat surface 26 is covered with a layer of sealing material 27 on which the valve body 22 rests.
  • the seat body 25 is also used in the direction of arrow A in the valve housing 20. By means of the seat body 25, the valve body 22 in the housing 20th held.
  • the seat body 25 is also sealed from the housing 20 via a sealing ring 28. It is also molded from plastic and forms the flat base 11.
  • the valve body 22 is rotatable with a drive arranged within the valve housing 20 in the form of a stepping motor 29.
  • a drive arranged within the valve housing 20 in the form of a stepping motor 29.
  • To drive the stepper motor 29 engages with a mounted on its shaft gear 30 to a mounted on the circumference of the valve body 22 ring gear 31.
  • both base surfaces 10 and 11 have an electrical interface.
  • the interface on the surface facing the pump 10 is designed as a plug 32 (male contact), while the electrical interface on the pump surface facing away from the base 11 is formed as a socket 33 (female contact).
  • the electrical connections of both contacts 32 and 33 are connected to each other via lines not shown.
  • the control and supply of the motor 29 via a branched line, not shown, which is laid within the housing 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (12)

  1. Système modulaire comprenant une pompe d'alimentation avec une roue mobile disposée dans un carter de pompe (2), la pompe d'alimentation étant entraînée par un moteur électrique (1) régulé électroniquement, dont l'électronique de commande (3) est logée dans un carter d'électronique (3) disposé sur le carter de moteur,
    caractérisé par une jonction électrique (4,6) sous la forme d'un interface électrique, qui est disposée sur le carter de pompe (2) et par l'intermédiaire de laquelle un composant électrique ou électronique (5) disposé sur le carter de pompe (2) peut être relié à l'électronique de commande (3).
  2. Système selon la revendication 1,
    caractérisé par le fait qu'un interface électrique (4) est disposé entre le carter d'électronique (3) et le carter de pompe.
  3. Système selon la revendication 1 ou 2,
    caractérisé par le fait que le carter de pompe (2) présente un interface électrique (6) pour la mise en contact d'un composant hydraulique posé sur le carter de pompe (2) et devant être alimenté électriquement, par exemple une vanne (5) pouvant être mise en circuit électriquement ou un capteur.
  4. Système selon la revendication 3,
    caractérisé par le fait que le premier contact (4) est relié au second contact (6) par une ligne (14) s'étendant à l'intérieur du carter de pompe (2), en particulier par l'intermédiaire de tôles conductrices solides.
  5. Système selon l'une des revendications précédentes,
    caractérisé par le fait qu'une jonction (4,6) présente une fiche mâle (contact mâle) et une douille (contact femelle) correspondante.
  6. Système selon l'une des revendications précédentes,
    caractérisé par le fait que le carter de pompe (2) présente une tubulure d'aspiration (7) et une tubulure de refoulement (8) qui sont toutes deux montées dans une paroi frontale (9) orientée orthogonalement à l'axe de rotation de la roue mobile et formant un interface hydraulique, la tubulure d'aspiration (7) étant en particulier disposée coaxiale à la roue mobile.
  7. Système selon l'une des revendications précédentes,
    caractérisé par une vanne multivoie, en particulier une vanne trois voies (5), entraînée électriquement, avec un carter de vanne (20) qui entoure un corps de vanne (22) et qui présente deux surfaces de fond (10,11) planes parallèles l'une à l'autre avec des ouvertures de raccordement (12) formées dedans, les surfaces de fond (10,11) formant respectivement un interface hydraulique par l'intermédiaire duquel la vanne (5) peut être accouplée hydrauliquement à d'autres composants (2) et une surface de fond (10,11) étant avec un contact électrique mâle (32,33).
  8. Système selon la revendication 7,
    caractérisé par le fait que l'entraînement électrique de la vanne (5) peut être commandé par l'intermédiaire de l'interface électrique (32).
  9. Système selon l'une des revendications précédentes,
    caractérisé par le fait que chaque interface hydraulique (9,10,11) présente un interface électrique (6,6',32,33), soit un contact mâle soit un contact femelle étant monté dans chaque surface de fond.
  10. Système selon l'une des revendications précédentes,
    caractérisé par le fait que les interfaces électriques (32,33) disposés sur les surfaces de base (32,33) d'un composant hydraulique (5) sont reliés par des tôles conductrices guidées axialement à travers le carter (20).
  11. Vanne multivoie, en particulier vanne trois voies (5), avec un carter de vanne (20) qui entoure un corps de vanne (22) et qui présente un interface hydraulique avec deux surfaces de fond (10,11) planes et parallèles l'une à l'autre avec des ouvertures de raccordement formées dedans, le corps de vanne pouvant être déplacé d'une position de fermeture à une position d'ouverture au moyen d'un entraînement électrique,
    caractérisée par le fait qu'une des surfaces de fond (10,11) présente un contact mâle (6',32) pour la mise en contact avec un contre-contact (6) correspondant, le contre-contact (6) étant prévu sur un carter de pompe (2) pouvant être monté sur la surface de fond (9).
  12. Pompe centrifuge avec une roue mobile disposée dans un carter de pompe (2), le carter de pompe (2) présentant une tubulure d'aspiration et une tubulure de refoulement qui sont toutes deux montées dans une paroi frontale (9) du carter de pompe (2) orientée parallèlement à la roue mobile et formant un interface hydraulique, la tubulure d'aspiration étant disposée coaxiale à la roue mobile,
    caractérisée par le fait que la paroi frontale (9) présente un contact mâle (6) pour la mise en contact avec un contre-contact (6') correspondant, le contre-contact (6') étant prévu sur un autre composant hydraulique, en particulier une vanne (5), pouvant être monté sur la paroi frontale (9).
EP01101872A 2000-02-16 2001-01-27 Interface électro-hydraulique Expired - Lifetime EP1126177B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10007105A DE10007105A1 (de) 2000-02-16 2000-02-16 Elektrisch-Hydraulische Schnittstelle
DE10007105 2000-02-16

Publications (3)

Publication Number Publication Date
EP1126177A2 EP1126177A2 (fr) 2001-08-22
EP1126177A3 EP1126177A3 (fr) 2003-12-17
EP1126177B1 true EP1126177B1 (fr) 2006-08-09

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ID=7631226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01101872A Expired - Lifetime EP1126177B1 (fr) 2000-02-16 2001-01-27 Interface électro-hydraulique

Country Status (2)

Country Link
EP (1) EP1126177B1 (fr)
DE (2) DE10007105A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008062228A1 (de) * 2008-12-17 2010-07-01 Wilo Se Schnellverbindung einer Leitungsanschlussstelle
DE102014116555A1 (de) * 2014-11-12 2016-05-12 Pfeiffer Vacuum Gmbh Vakuumgerät

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237116A (ja) * 1984-05-10 1985-11-26 Aisin Seiki Co Ltd エンジンの冷却制御方法及び装置
DE3807832A1 (de) * 1987-03-16 1988-10-06 Oplaender Wilo Werk Gmbh Elektromotor, insbesondere fuer pumpen
JPH078877Y2 (ja) * 1989-03-07 1995-03-06 株式会社荏原製作所 水中ポンプ用制御装置
DE69229120T2 (de) * 1991-09-10 1999-12-09 Smc Kk Flüssigkeitsdruck betätigte vorrichtung
DE4438132A1 (de) * 1994-10-27 1996-05-02 Wilo Gmbh Spaltrohrpumpe
DE19646617A1 (de) * 1996-11-12 1998-05-14 Pierburg Ag Kühlmittelpumpe mit elektrisch kommutiertem Elektromotor
DE19745279A1 (de) * 1997-10-15 1999-04-22 Itt Mfg Enterprises Inc Aggregat zur Förderung von Druckmitteln in Hydrauliksystemen
DE19809123B4 (de) * 1998-03-04 2005-12-01 Daimlerchrysler Ag Wasserpumpe für den Kühlkreislauf einer Brennkraftmaschine

Also Published As

Publication number Publication date
EP1126177A3 (fr) 2003-12-17
DE50110652D1 (de) 2006-09-21
EP1126177A2 (fr) 2001-08-22
DE10007105A1 (de) 2001-08-23

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