EP2543050A1 - Soupape électromagnétique - Google Patents

Soupape électromagnétique

Info

Publication number
EP2543050A1
EP2543050A1 EP11701401A EP11701401A EP2543050A1 EP 2543050 A1 EP2543050 A1 EP 2543050A1 EP 11701401 A EP11701401 A EP 11701401A EP 11701401 A EP11701401 A EP 11701401A EP 2543050 A1 EP2543050 A1 EP 2543050A1
Authority
EP
European Patent Office
Prior art keywords
guide pin
armature
magnetizable
core
valve according
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
EP11701401A
Other languages
German (de)
English (en)
Other versions
EP2543050B1 (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

Links

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, which consists of a coil wound on a bobbin, an armature, a core and a return device, wherein the armature is 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 known from DE 102 48 125.
  • 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.
  • At least the radially outwardly facing surface of the guide pin forms a first part which is directed towards the core and is designed to be magnetizable, and forms a second part, which is directed towards the armature and non-magnetizable is executed, such that between the first part and the second part, a control edge is formed.
  • 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 to an 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 is arranged adjustable via a thread in the core. This makes it possible once again to fine tune the magnetic force within a certain range.
  • Figure 3 ei ne representation of the course of the magnetic force over the
  • FIG. 4 shows a section of a further embodiment of the invention
  • Electromagnetic valve according to the invention.
  • FIG. 1 shows a first exemplary embodiment of the electromagnetic valve 1 according to the invention.
  • the solenoid valve according to the invention essentially consists of a housing 2, in which a coil 4 wound on a coil support 3, an armature 5 and a core 6 and a return device 6 are arranged.
  • the return device 7 consists of a return plate 8 and a yoke 9.
  • the movable armature 5 is formed as a non-illustrated valve rod, which indirectly or directly on a non-illustrated valve closure member ei effects.
  • 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 bearing 10, the armature 5 is supported via a compression spring 1 1 on the core 6. 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 core 6 in the present embodiment and which also receives the compression spring 11.
  • the guide pin 12 consists in the present embodiment of egg nem 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 allows a larger magnetic force with the same space dimensions.
  • FIG. 2 now shows the solenoid valve 1 from FIG. 1 in an energized state.
  • the armature 5 with the pressed-in bearing 10 is moved against the force of the compression spring 1 1 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 portion 14, which is not magnetizable.
  • Figure 3 shows only the course of the magnetic force acting on the armature 5 over the valve.
  • 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 of Figures 1 and 2. It can be clearly seen the increase of the magnetic force and the flattening of the curve in the area between the positions 1 and 2 shown in Figure 1 and Figure 2 hereby is a more precise control of a valve possible.
  • FIG. 4 shows in a partial section a further embodiment of a solenoid valve according to the invention.
  • the guide pin 12 is arranged via a thread 17 adjustable in the core 6.
  • the housing 2 ei ne 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 magnetizable by means of a coating or an applied magnetic material. It is also conceivable that the guide pin is made 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.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Electromagnets (AREA)

Abstract

L'invention concerne une soupape électromagnétique dotée d'un circuit électromagnétique composé d'une bobine enroulée sur un support de bobine, d'un induit, d'un noyau et d'un dispositif de blindage, l'induit étant de conception sensiblement creuse et étant monté mobile avec sa surface orientée vers l'intérieur sur une goupille de guidage. Au moins la surface orientée radialement vers l'extérieur de la goupille de guidage (12) forme une première partie (13) orientée en direction du noyau (6) et pouvant être magnétisée, et forme une seconde partie (14) orientée vers l'induit (5) et ne pouvant pas être magnétisée, de telle sorte qu'une arête de commande (15) soit conçue entre la première partie (13) et la seconde partie (14).
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 true EP2543050A1 (fr) 2013-01-09
EP2543050B1 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
US7093613B2 (en) * 2001-05-17 2006-08-22 Bosch Rexroth Ag Magnet arrangement
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
EP2128503B1 (fr) 2007-03-23 2019-02-20 Eagle Industry Co., Ltd. Électrovanne et procédé de fabrication de celle-ci

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011107310A1 *

Also Published As

Publication number Publication date
US20120326067A1 (en) 2012-12-27
JP2013521446A (ja) 2013-06-10
US9033310B2 (en) 2015-05-19
DE102010010187A1 (de) 2011-09-08
DE102010010187B4 (de) 2012-07-26
CN102782778A (zh) 2012-11-14
CN102782778B (zh) 2016-01-13
EP2543050B1 (fr) 2018-05-30
JP5675854B2 (ja) 2015-02-25
WO2011107310A1 (fr) 2011-09-09

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