EP2543050B1 - Soupape électromagnétique - Google Patents

Soupape électromagnétique Download PDF

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Publication number
EP2543050B1
EP2543050B1 EP11701401.9A EP11701401A EP2543050B1 EP 2543050 B1 EP2543050 B1 EP 2543050B1 EP 11701401 A EP11701401 A EP 11701401A EP 2543050 B1 EP2543050 B1 EP 2543050B1
Authority
EP
European Patent Office
Prior art keywords
magnetizable
guide pin
armature
electromagnetic valve
recited
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
EP11701401.9A
Other languages
German (de)
English (en)
Other versions
EP2543050A1 (fr
Inventor
Janusz Zurke
Alvito Fernandes
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.)
Pierburg GmbH
Original Assignee
Pierburg 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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of EP2543050A1 publication Critical patent/EP2543050A1/fr
Application granted granted Critical
Publication of EP2543050B1 publication Critical patent/EP2543050B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F2007/163—Armatures entering the winding with axial bearing

Definitions

  • the invention relates to a solenoid valve with an electromagnetic circuit of a coil wound on a bobbin, an armature, a core and a return device, wherein the armature is designed substantially hollow and is movably mounted with an inwardly facing surface on a guide pin and at least indirectly acting on a valve closure member.
  • Such a solenoid valve is out of DE 102 48 125 known.
  • the solenoid valve serves as a drive for a diverter valve.
  • the known solenoid valve has disadvantages in particular with regard to the magnitude of the magnetic force and the linearity of the course of the magnetic force.
  • the object of the invention is to provide a solenoid valve which avoids these disadvantages.
  • the Kern is directed and is designed to be magnetizable, and forms a second part, which is directed to the armature and is designed to be non-magnetizable, such that between the first part and the second part, a control edge is formed, the improved transition of magnetic field lines in the Anchor guaranteed.
  • Such a design ensures a substantial increase in the magnetic force in a simple manner. In addition, a more uniform course of the magnetic force over the Ventilhubweg.
  • a solenoid valve can be produced particularly cost-effectively if the guide pin is constructed from a first magnetizable section and from a second non-magnetizable section which, for example, are welded or pressed together. Characterized in that the control edge between the first and the second part directed towards the anchor defined contour, such as a curved or pointed surface, an additional adjustment of the magnetic force is possible.
  • the solenoid valve is particularly easy to produce.
  • a particularly advantageous embodiment is given when the second non-magnetizable part serves as a bearing for the armature, wherein the second part of the guide pin has a larger diameter than the first part.
  • a particularly advantageous embodiment is further achieved in that the guide pin via a thread in the core adjustable is arranged. This makes it possible once again to fine tune the magnetic force within a certain range.
  • FIG. 1 shows a first embodiment of the inventive solenoid valve 1.
  • the solenoid valve according to the invention essentially consists of a housing 2, in which a wound on a bobbin 3 coil 4, an armature 5 and a core 6 and a return device 7 are arranged.
  • the return device 7 consists of a return plate 8 and a yoke 9.
  • the movable armature 5 is formed as a valve rod, not shown, which acts indirectly or directly on an unillustrated valve closure member.
  • the armature 5 has a bearing 10, which is arranged on its inner side, and which is designed as a plastic sliding bushing. With this camp 10 is based Anchor 5 via a compression spring 11 on the core 6 from. The pressed-in bearing 10 and thus also the armature 5 slide in a known manner on a guide pin 12 which is fixedly arranged in the present embodiment in the core 6 and which also receives the compression spring 11.
  • the guide pin 12 consists in the present embodiment of a first magnetizable portion 13 and a second non-magnetizable portion 14. Between these two sections 13 and 14, a control edge 15 is formed, which ensures an improved transition of the magnetic field lines in the armature 5 and thus a larger magnetic force allows for the same space dimensions.
  • FIG. 2 now shows the solenoid valve 1 off FIG. 1 in an energized state.
  • the armature 5 with the pressed-in bearing 10 is displaced against the force of the compression spring 11 in the direction of the core 6. It can be clearly seen that the armature 5 slides with the pressed-in bearing 10 substantially on the second section 14, which is not magnetizable.
  • FIG. 3 only shows the course of the magnetic force acting on the armature 5 over the valve lift.
  • the dashed line shows the course of the magnetic force of a conventional solenoid valve.
  • the solid line shows the course of the magnetic force of the inventive solenoid valve 1 from the Figures 1 and 2 .
  • Clearly recognizable is the increase of the magnetic force and the flattening of the curve in the area between the in FIG. 1 and FIG. 2 shown positions 1 and 2 thereby a more accurate control of a valve is possible.
  • FIG. 4 shows in a partial section a further embodiment of an inventive solenoid valve.
  • the guide pin 12th arranged adjustable in the core 6 via a thread 17.
  • the housing 2 has a recess 16, through which the fine adjustment of the guide pin 12 can be made. After fine adjustment of the guide pin can be determined for example by welding points, and the recess can be closed in a known manner.
  • the guide pin may consist entirely of non-magnetizable material, with a first part directed towards the core being made magnetisable by means of a coating or an applied magnetic material. It is also conceivable that the guide pin consists entirely of magnetizable material, wherein the second part of the guide pin has a non-magnetizable socket on which then the anchor can slide. It is important in any case that a control edge between the first part and the second part of the guide pin is formed, which ensures a transition of the magnetic field lines.
  • first part of the guide pin and the second part of the guide pin as shown in the embodiment be made of solid material, these two parts can be connected to each other by known joining techniques, such as soldering, welding, etc. It is also conceivable that the control edge between the two parts is not formed as a plane but has a contour, such as a curved or pointed surface.

Claims (6)

  1. Soupape électromagnétique avec un circuit électromagnétique formé par une bobine enroulée sur un porte-bobine, une armature, un noyau et un moyen de retour de flux, ladite armature étant sensiblement creuse et supportée de manière à être mobile sur une broche de guidage par sa face dirigée vers l'intérieur et agissant au moins indirectement sur un élément de fermeture de soupape
    caractérisée en ce que
    au moins la surface de la broche de guidage (12) dirigée radialement vers l'extérieur forme une première partie (13) dirigée vers le noyau (6) et apte à être magnétisé, et une deuxième partie (14) dirigée vers l'armature (5) et non-magnétisable, de sorte qu'une arête de commande (15) est formée entre la première partie (13) et la deuxième partie (14), ladite arête garantissant une transition améliorée de lignes de champ magnétique dans l'armature (5).
  2. Soupape électromagnétique selon la revendication 1, caractérisée en ce que la broche de guidage (12) est construite d'une première partie (13) magnétisable et d'une deuxième partie (14) non-magnétisable.
  3. Soupape électromagnétique selon la revendication 1 ou 2, caractérisée en ce que l'arête de commande (15) entre la première partie (13) la deuxième partie (14) présente un contour défini, par exemple une surface courbée ou pointue, dirigé vers l'armature (5).
  4. Soupape électromagnétique selon la revendication 1, caractérisée en ce que la broche de guidage (12) est entièrement réalisée d'une matière magnétisable, la deuxième partie comprenant un manchon (10) non-magnétisable, par exemple un manchon de glissement en matière plastique.
  5. Soupape électromagnétique selon l'une quelconque des revendications précédentes, caractérisée en ce que la deuxième partie (14) non-magnétisable sert de logement de l'armature (5), la deuxième partie (14) de la broche de guidage (12) comprenant un diamètre plus grand que celui de la première partie (13).
  6. Soupape électromagnétique selon l'une quelconque des revendications précédentes, caractérisée en ce que la broche de guidage est disposée de manière ajustable par un filetage (17) dans le noyau.
EP11701401.9A 2010-03-03 2011-01-28 Soupape électromagnétique Active EP2543050B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010010187A DE102010010187B4 (de) 2010-03-03 2010-03-03 Elektromagnetventil
PCT/EP2011/051212 WO2011107310A1 (fr) 2010-03-03 2011-01-28 Soupape électromagnétique

Publications (2)

Publication Number Publication Date
EP2543050A1 EP2543050A1 (fr) 2013-01-09
EP2543050B1 true EP2543050B1 (fr) 2018-05-30

Family

ID=43759969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11701401.9A Active EP2543050B1 (fr) 2010-03-03 2011-01-28 Soupape électromagnétique

Country Status (6)

Country Link
US (1) US9033310B2 (fr)
EP (1) EP2543050B1 (fr)
JP (1) JP5675854B2 (fr)
CN (1) CN102782778B (fr)
DE (1) DE102010010187B4 (fr)
WO (1) WO2011107310A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014111980A1 (de) 2014-08-21 2016-02-25 Pierburg Gmbh Elektromagnetventil
DE102015107039B4 (de) * 2015-05-06 2020-10-15 Eto Magnetic Gmbh Elektromagnetventil sowie sicherheitsrelevantes Pneumatiksystem
JP7393125B2 (ja) 2018-03-13 2023-12-06 フスコ オートモーティブ ホールディングス エル・エル・シー 中間状態を有する双安定ソレノイド

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883839A (en) 1973-10-29 1975-05-13 Barber Colman Co Positioning device
US4218021A (en) * 1977-10-03 1980-08-19 General Motors Corporation Electromagnetic fuel injector
JPH07786Y2 (ja) * 1987-02-25 1995-01-11 アイシン精機株式会社 電磁弁
DE4221112A1 (de) * 1992-06-26 1994-01-05 Roemer J C Avs Gmbh Elektromagnetische Betätigungseinrichtung
JPH09320840A (ja) * 1996-05-30 1997-12-12 Aichi Electric Co Ltd ソレノイド装置
JP2001280189A (ja) * 2000-03-30 2001-10-10 Hitachi Ltd 電磁式燃料噴射弁の制御方法
JP3709792B2 (ja) * 2001-01-12 2005-10-26 株式会社デンソー 電磁弁装置
WO2002093592A2 (fr) * 2001-05-17 2002-11-21 Bosch Rexroth Ag Ensemble magnetique
JP3819867B2 (ja) 2002-05-15 2006-09-13 日信工業株式会社 電磁弁
DE10235644B4 (de) * 2002-08-02 2004-10-21 Eto Magnetic Kg Elektromagnetische Stellvorrichtung
DE10248125A1 (de) 2002-10-15 2004-05-13 Pierburg Gmbh Elektromagnetische Stellvorrichtung
US7464959B2 (en) * 2005-03-01 2008-12-16 Trw Vehicle Safety Systems Inc. Apparatus having a mechanism for limiting the movement of an air bag module relative to a steering wheel
DE102006014020A1 (de) * 2006-01-17 2007-07-19 Robert Bosch Gmbh Polrohr
WO2008117714A1 (fr) 2007-03-23 2008-10-02 Eagle Industry Co., Ltd. Électrovanne et procédé de fabrication de celle-ci

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
JP2013521446A (ja) 2013-06-10
CN102782778B (zh) 2016-01-13
US20120326067A1 (en) 2012-12-27
CN102782778A (zh) 2012-11-14
EP2543050A1 (fr) 2013-01-09
DE102010010187A1 (de) 2011-09-08
US9033310B2 (en) 2015-05-19
DE102010010187B4 (de) 2012-07-26
JP5675854B2 (ja) 2015-02-25
WO2011107310A1 (fr) 2011-09-09

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