EP2308064A1 - Hubmagnetanordnung und ventilanordnung - Google Patents
Hubmagnetanordnung und ventilanordnungInfo
- Publication number
- EP2308064A1 EP2308064A1 EP09777302A EP09777302A EP2308064A1 EP 2308064 A1 EP2308064 A1 EP 2308064A1 EP 09777302 A EP09777302 A EP 09777302A EP 09777302 A EP09777302 A EP 09777302A EP 2308064 A1 EP2308064 A1 EP 2308064A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- collar
- section
- valve
- stroke
- 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
Links
- 230000007704 transition Effects 0.000 claims abstract description 17
- 230000004907 flux Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000418 atomic force spectrum Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- H01F7/16—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
- H01F7/13—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
- H01F7/081—Magnetic constructions
- H01F2007/085—Yoke or polar piece between coil bobbin and armature having a gap, e.g. filled with nonmagnetic material
-
- 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
- H01F2007/1661—Electromagnets or actuators with anti-stick disc
Definitions
- the invention relates to a solenoid assembly according to the preamble of claim 1.
- the invention further relates to a valve assembly.
- a pressure-tight solenoid has, in addition to the pole tube, a coil for actuating an armature which is axially movably guided in an armature space of the pole tube.
- the pole tube consists essentially of a pole piece - too
- Polkern - which can be screwed via a central thread in a valve housing, a non-magnetic intermediate piece and a subsequent thereto pipe section, which is closed at the side remote from the pole piece frontally by means of a serving as a stroke limiter component.
- the pole piece, the intermediate piece, the pipe section and the stroke limiter delimit the armature space for the armature cooperating with the coil.
- This is connected to a plunger, which passes through the pole piece in the axial direction and is used to actuate a valve spool of a hydraulic valve.
- the non-magnetic spacer serves to divert the magnetic flux into the armature.
- This non-magnetic intermediate piece may be formed annular cone-shaped for achieving a favorable force-displacement curve. In the production of such a shape but associated with effort.
- the simplest possible geometry of the intermediate piece is to be used.
- Patent claim 1 solved. The formation of a collar at the anchor and a stepped depression in the
- the Hubmagnetan angel invention is simple and inexpensive to produce. It can be optimally adapted to the flow force characteristics, e.g. to adapt to switching valves. By means of the described design, the force even decreases again in the end region of the armature stroke, ie after immersion of the collar in the depression. This contributes to a lower stress on the anti-stick lens, a lower switching noise and a faster turn-off time. Overall, with the valve arrangement according to the invention with lower electrical power higher valve forces or flow forces can be overcome and in particular switching valves are operated safely and efficiently.
- valve is combined with a stroke characteristic that is optimally adapted to the flow force conditions of the valve in its characteristic curve.
- the adjustment is structurally simple on the geometric aspect ratios at the collar and waistband. In a vivid way, for example, the Position of said edges adapted to the course of the opening cross-section of the valve on the Betuschistshub.
- the transition section is formed of a non-magnetizable material and a separation surface between the transition section and the collar is aligned substantially perpendicular to a central axis of the pole tube.
- a separation surface between the transition section and the collar is aligned substantially perpendicular to a central axis of the pole tube.
- the manufacture is e.g. using the resistance welding technique - e.g. capacitor discharge welding or center frequency welding - for joining pole piece and separator ring, which forms the transition section, particularly simple.
- an anti-sticking disc is arranged between the end face of the armature and the shoulder of the pole piece.
- the anti-slug also withstands high loads.
- the anti-stick disc could even be mounted on the collar and thus rest on the end face of the anchor captive.
- the geometry described anchor and Polkernabites can also be used to damp a stop of the armature on the pole core.
- a radial gap between the collar and the depression is sized accordingly.
- the fluidic damping then takes place via the displacement of fluid from an outer annular space between the armature - more precisely its end face and the collar - and the shoulder of the recess.
- a first position of the armature, wherein the end face of the armature faces a boundary line of the end face of the collar, a low degree of opening of the valve, ie a position of the valve piston at the flow forces are relevant.
- a second position of the armature in which an end face of the collar of the armature of the shoulder facing the recess, corresponds to a stronger degree of opening of the valve, in which the valve piston has almost completed its opening stroke and in which the flow forces relax again.
- This can be, for example, 25% or 75% of the opening stroke of the valve piston.
- FIG. 1 shows a lifting magnet arrangement in a schematic sectional representation
- FIG. 2 shows a section from FIG. 1 enlarged by the area of the working air gap
- Figure 3 shows a characteristic of the Hubmagnetanix invention compared with a flow force characteristic of a valve and a characteristic of a conventional solenoid.
- FIG. 1 a solenoid assembly 1 for actuating a valve spool of a hydraulic valve (not shown) is shown.
- the Hubmagnetan Aunt 1 has a fluid-tight pole tube 3.
- the pole tube 3 has a Polkernabrisk 5, a separating section 7 - in the claims also referred to as a transition section -, a pipe section 9 and a closure piece 1 1 - also called stroke limitation.
- the pole core section 5, the separation section 7, the pipe section 9 and the closure piece 11 form a circular cylindrical receiving space for an armature 13.
- a plunger 15 is guided in the pole core section 5 and emerges on the outer end side of the pole core section 5 from this.
- the pole tube 3 is screwed into a valve housing of the hydraulic valve.
- a coil component is pushed. This includes the actual coil 19 and a
- the separating section 7 interrupts the magnetic circuit in the region of the working air gap 21 between the armature 13 and the pole core section 5 and forces the magnetic field lines from the pole core section 5 to the armature 13.
- the armature 13 is provided at its the Polkernabexcellent 5 facing end face with a projecting from the end face 22 collar 24. On the annular end face 22 an anti-stick washer 25 is placed. If necessary, this can be mounted on the collar 24 for attachment.
- the armature 13 pass through axial fluid compensation channels 27. These open into an end face 29 of the collar 24.
- the Polkernabites has on the inside a stepped recess 31 for receiving the armature portion facing it.
- This depression 31 is divided as follows: A collar 33 protrudes annularly beyond an inside end face 34 of the pole core section 5. The end face 34 further forms a shoulder for a central depression 36.
- the inner diameter of the collar 33 corresponds to the inner diameter of the separating section 7 and the pipe section 9.
- the inner diameter of the recess 36 is selected so that the collar 24 can dip into the depression 36.
- a fluidic damping of the armature movement in the end position can be achieved via a gap between collar 24 and recess 36.
- the damping volume is located in one of the collar 24, the
- the area around the working air gap 21 is shown enlarged in FIG. Evident is the substantially circular tubular shape of the separating section 7, which has no cone.
- a pole tube 3 with such a separating section 7 can be e.g. by electrical resistance welding of tubular or cup-shaped semi-finished products add.
- the anti-stick disc 25 ' a variant to FIG. 1 is shown. The anti-stick disc 25 'is inserted into the working air gap 21 and rests on the end face 34. There it can be attached if necessary.
- the collar 24 is bounded at the end by an outer annular edge 41. Likewise, at the transition from the end face 22 of the armature in the lateral surface of an annular edge 40 is present. On the inner wall of the pole tube 3, at the transition from the collar 33 to the separating section 7, there is an imaginary, circular boundary line 42, at which the magnetizability of the pole tube 3 changes abruptly in the axial course. Between the end face 34 and the recess 36, the annular edge 43 is present in the stepped recess 31 of the Polkernabites 5. This can be bevelled or rounded.
- FIG. 3 shows a force-stroke characteristic curve 50 of a conventional lifting magnet arrangement, for example an actuating magnet, as described in the initially mentioned DE 197 07 587 A1, a force-stroke characteristic curve 52 of the inventive lifting magnet arrangement 1 and an actuating force-stroke characteristic curve 54 (dashed) of a typical directly operated switching valve of size 6 or 10.
- the hub is divided into areas B1 to B6. The length of the areas is in the order of, for example, 1 to 2 mm.
- the characteristic curve 54 of the valve has a baseline B1 rising to baseline, which is due to the usual action on the valve piston with a return spring and by the friction of the valve piston in the valve bore. However, a large effect on the characteristic curve 54 has the forces acting on the valve piston during the opening process. These cause the recognizable in the areas B2 and B3 of the characteristic curve 54 strong increase in the required operating force. After complete switching through the valve, the flow forces are no longer relevant, as the curve 54 in area B1 shows.
- Movement begins in the area B6 or at the transition from the area B5 to the area B4 - here is a plant on the plunger 15 - with initially low power, as the line 52 shows.
- the area B3 is the portion of the movement sequence at which the annular edge 40 of the armature 13 passes over the boundary line 42 to the collar. Between the annular edge 40 and the boundary line 42 is a high density of magnetic field lines in the working air gap. When immersing the armature 13 with the annular edge 40 in the collar 33, therefore, there is a significant decrease in the present in the working air gap magnetic field energy. Due to this, the characteristic 52 steeply increases from the area B4 to the area B3.
- Anchor 13 and the annular edge 43 of the stepped recess 31 available. Upon further immersion of the armature 13 in the stepped recess 31 can therefore the high force is maintained until the anchor with the collar 31 in the
- Depression 36 dips. This can be seen in the characteristic curve 52 in the area B2 and at the transition from the area B2 into the area B1. In the further path of the armature 13, only the volume in the depression 36 filled with a few magnetic field lines is reduced. The force decreases accordingly in the area B1. The movement ends when the anchor 13 with the anti-slug disc
- the described solenoid assembly 1 is ideal for
- Hubmagnetan Aunt 1 is now designed inter alia by means of the lengths of collar 24 and collar 33 so that the plateau of the actuating force in the characteristic curve 54 is covered by the plateau-like increase in the magnetic force in the characteristic curve 52.
- the magnetic force decrease in the region B1 coincides with the decrease in the flow forces in a fully connected valve.
- the anti-stick disc 25 or 25 ' is less affected by the impact of the
- the use of the Hubmagnetan teaspoon invention has been described in a normally closed switching switching valve for carrying out the opening stroke.
- the application can also be used in a normally open switching switching valve to perform the closing stroke.
- the Hubmagnetan teaspoon invention can also be used to operate a proportional valve.
- several arranged in stages collars can be provided on the anchor and a corresponding multi-stepped depression on the pole piece, which receives the leaflets each in suitable depressions, are used.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008035332A DE102008035332A1 (de) | 2008-07-29 | 2008-07-29 | Hubmagnetanordnung und Ventilanordnung |
PCT/EP2009/005250 WO2010012394A1 (de) | 2008-07-29 | 2009-07-20 | Hubmagnetanordnung und ventilanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2308064A1 true EP2308064A1 (de) | 2011-04-13 |
EP2308064B1 EP2308064B1 (de) | 2012-02-29 |
Family
ID=41061089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09777302A Active EP2308064B1 (de) | 2008-07-29 | 2009-07-20 | Hubmagnetanordnung und ventilanordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US8757586B2 (de) |
EP (1) | EP2308064B1 (de) |
CN (1) | CN102113067B (de) |
AT (1) | ATE547796T1 (de) |
DE (1) | DE102008035332A1 (de) |
WO (1) | WO2010012394A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5150425B2 (ja) * | 2008-09-11 | 2013-02-20 | 川崎重工業株式会社 | 油浸型ソレノイドの調整ネジ構造及びそれを備える油浸型ソレノイド |
JP5150424B2 (ja) * | 2008-09-11 | 2013-02-20 | 川崎重工業株式会社 | 油浸型ソレノイド |
DE102011088463A1 (de) * | 2011-06-29 | 2013-01-03 | Robert Bosch Gmbh | Bauteil für einen Magnetaktor sowie Verfahren zu dessen Herstellung |
DE102013218766A1 (de) | 2013-09-19 | 2015-03-19 | Robert Bosch Gmbh | Lagerstellenpositionierung dünngedrehtes Polrohr |
DE102013226860A1 (de) | 2013-12-20 | 2015-06-25 | Robert Bosch Gmbh | Hubmagnetanordnung und Verfahren zur Herstellung einer Hubmagnetanordnung |
US10316982B2 (en) * | 2014-07-10 | 2019-06-11 | Borgwarner Inc. | Curved shunt for solenoid curve shaping |
CN104308351A (zh) * | 2014-08-14 | 2015-01-28 | 浙江宇太汽车零部件制造有限公司 | 气门推杆总成制造工艺 |
DE102015213840A1 (de) * | 2015-07-22 | 2017-01-26 | Robert Bosch Gmbh | Stromlos geschlossenes Magnetventil |
DE102015119462A1 (de) * | 2015-11-11 | 2017-05-11 | Kendrion (Villingen) Gmbh | Elektromagnetischer Aktor für eine Ventileinrichtung |
DE102015224421A1 (de) * | 2015-12-07 | 2017-06-08 | Robert Bosch Gmbh | Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil |
EP3261102A1 (de) | 2016-06-23 | 2017-12-27 | Rain Bird Corporation | Universeller elektromagnet |
DE102016119027A1 (de) * | 2016-10-07 | 2018-04-12 | Chr. Mayr Gmbh + Co. Kg | Elektromagnetische Bremse mit einer steuerbaren Ankerscheibenbewegung |
US10980120B2 (en) | 2017-06-15 | 2021-04-13 | Rain Bird Corporation | Compact printed circuit board |
US11503782B2 (en) | 2018-04-11 | 2022-11-22 | Rain Bird Corporation | Smart drip irrigation emitter |
US11721465B2 (en) | 2020-04-24 | 2023-08-08 | Rain Bird Corporation | Solenoid apparatus and methods of assembly |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2407963A (en) * | 1943-01-11 | 1946-09-17 | Mcquay Norris Mfg Co | Solenoid |
US3168242A (en) * | 1962-11-05 | 1965-02-02 | Eldima A G | Electromagnetically operated temperature regulating system |
US4604600A (en) * | 1983-12-23 | 1986-08-05 | G. W. Lisk Company, Inc. | Solenoid construction and method for making the same |
US5234265A (en) * | 1990-04-06 | 1993-08-10 | G. W. Lisk Company, Inc. | Valve for automatic brake system |
US5318354A (en) * | 1992-05-20 | 1994-06-07 | C. W. Lisk Company, Inc. | Proportional control valve with differential sensing area |
US5306076A (en) * | 1992-05-20 | 1994-04-26 | G. W. Lisk Company, Inc. | Proportional control valve with pressure compensation |
US5467961A (en) * | 1993-05-06 | 1995-11-21 | Firma Carl Freudenberg | Electromagnetically actuated valve |
DE4329760A1 (de) * | 1993-09-03 | 1995-03-09 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Proportionalventil |
US5565832A (en) * | 1994-10-17 | 1996-10-15 | Automatic Switch Company | Solenoid with magnetic control of armature velocity |
JPH09306731A (ja) | 1996-05-17 | 1997-11-28 | Sanmei Denki Kk | 電磁石 |
DE19700979A1 (de) * | 1997-01-14 | 1998-07-16 | Teves Gmbh Alfred | Magnetventil |
DE19707587B4 (de) | 1997-02-26 | 2005-12-22 | Robert Bosch Gmbh | Elektromagnetische Stelleinrichtung |
DE19937969A1 (de) * | 1999-08-11 | 2001-02-15 | Hydraulik Ring Gmbh | Hydraulisches Ventil, insbesondere verstellbares Druckregelventil |
DE10327875B4 (de) | 2002-11-14 | 2005-03-03 | Woco Industrietechnik Gmbh | Tauchankersystem mit einstellbarer magnetischer Durchflutung |
US6877717B2 (en) * | 2003-03-14 | 2005-04-12 | Kelsey-Hayes Company | Control valve for a vehicular brake system |
DE102004004708B3 (de) * | 2004-01-30 | 2005-04-21 | Karl Dungs Gmbh & Co. Kg | Magnetventil |
DE102004035501A1 (de) * | 2004-07-22 | 2006-02-09 | Bosch Rexroth Aktiengesellschaft | Hubmagnet mit einstellbarer Magnetkraft |
DE102006021927A1 (de) | 2006-05-11 | 2007-11-15 | Robert Bosch Gmbh | Elektromagnet |
CN201000801Y (zh) * | 2006-12-20 | 2008-01-02 | 天津消防器材有限公司 | 一种电磁驱动器 |
-
2008
- 2008-07-29 DE DE102008035332A patent/DE102008035332A1/de not_active Withdrawn
-
2009
- 2009-07-20 EP EP09777302A patent/EP2308064B1/de active Active
- 2009-07-20 CN CN2009801297101A patent/CN102113067B/zh active Active
- 2009-07-20 AT AT09777302T patent/ATE547796T1/de active
- 2009-07-20 WO PCT/EP2009/005250 patent/WO2010012394A1/de active Application Filing
- 2009-07-20 US US13/056,463 patent/US8757586B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010012394A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102113067B (zh) | 2013-02-27 |
US8757586B2 (en) | 2014-06-24 |
CN102113067A (zh) | 2011-06-29 |
US20110147629A1 (en) | 2011-06-23 |
DE102008035332A1 (de) | 2010-02-04 |
WO2010012394A1 (de) | 2010-02-04 |
ATE547796T1 (de) | 2012-03-15 |
EP2308064B1 (de) | 2012-02-29 |
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