WO2001006159A1 - Organe de commande electromagnetique - Google Patents

Organe de commande electromagnetique Download PDF

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Publication number
WO2001006159A1
WO2001006159A1 PCT/DE1999/002196 DE9902196W WO0106159A1 WO 2001006159 A1 WO2001006159 A1 WO 2001006159A1 DE 9902196 W DE9902196 W DE 9902196W WO 0106159 A1 WO0106159 A1 WO 0106159A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
sleeve
magnet housing
electromagnetic drive
armature
Prior art date
Application number
PCT/DE1999/002196
Other languages
German (de)
English (en)
Inventor
Hans-Ulrich Buss
Original Assignee
Buss Hans Ulrich
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 Buss Hans Ulrich filed Critical Buss Hans Ulrich
Priority to PCT/DE1999/002196 priority Critical patent/WO2001006159A1/fr
Publication of WO2001006159A1 publication Critical patent/WO2001006159A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve

Definitions

  • the invention relates to an electromagnetic drive for generating powerful and fast movements, particularly for use in valve and valve technology.
  • Electromagnetic actuators have been used in valve and valve technology for years to open or close these valves. These electromagnetic drives are therefore primarily used as actuators, lifting or holding magnets and their principle is based on the fact that the forces to be transmitted are transmitted by means of an electrically generated magnetic field.
  • the sealing body provided in the valve is arranged displaceably with respect to the armature of the valve.
  • the armature is supposed to move into an area where the flux density of the magnetic field is particularly pronounced. Because of this high flux density, the sealing body is then to be lifted off the valve seat with great force by running up a corresponding driving device between the armature and the sealing body.
  • the distance of the remaining stroke is naturally smaller, but this should not prevent the sealing body from subsequently carrying out a larger stroke due to an additional external force, for example a spring or pressure action. This should be achieved through the mobility of the sealing body in the anchor.
  • pot magnets have also been used in valve and valve technology, which have become particularly popular as actuators in this area.
  • Pot magazines of this type are designed such that, in the broadest sense, they have an outer housing in which the required coils, anchors and magnetic sleeves are arranged.
  • a magnetic field is generated in each of the current-carrying coils, the field lines of which are forced into the iron core due to the design of the pot magnets and must therefore necessarily close via the armature and the working air gap.
  • This new electromagnetic drive is designed as a so-called pot magnet, has a three-part housing in which a coil body with the corresponding windings and a magnetic sleeve are arranged.
  • a magnet armature which is guided in the inner bore of the magnet sleeve via slide rings, is mounted vertically movably within the magnet sleeve.
  • the magnet armature has so-called overflow channels and a central bore in which the actuators required for transmitting the stroke movement to the respective valve are mounted and fastened.
  • the magnet housing consists of a magnet housing tube, a magnet housing base and a magnet housing cover, which are connected to one another both positively and non-positively and result in corresponding coupling surfaces at these connection points.
  • the entire magnet housing and the magnet sleeve are braced via a lock ring, the magnet sleeve having a circumferential turn in the effective area of the coil body.
  • An essential feature of the present invention is that the active coupling surfaces of the drive are significantly larger than previous pot magnets, which is achieved in that the magnet sleeve engages in a recess in the magnet housing cover and thus has an end-face coupling surface and a circumferential coupling surface for the magnet housing cover.
  • the proposed electromagnetic drive is equipped with an electronic impulse control, control electronics, with which it is ensured that overexcitation is generated in the pull-in phase of the magnet and with which it is also ensured that the energy requirement of the entire system is reduced depending on the size of the air gaps present.
  • Power delivery has significantly smaller geometric dimensions and thus up to 60% less mass. This reduces transportation costs and makes it easier
  • Pulse control allows an optimal adaptation to the energy requirements of the
  • Magnet system depending on the size of the working air gap and causes extreme energy savings, which can be up to 95% compared to conventional systems.
  • Characteristic curve influencing can be easily integrated into the proposed solution, so that the use of the drive presented can be adapted to a wide variety of requirements.
  • the magnetic drive consists of only a few individual parts that are very easy to manufacture and assemble.
  • FIG. 1 the basic structure of the electromagnetic drive in a sectional view
  • FIG. 1 the block diagram of the control electronics.
  • the housing of the drive consists of the magnet housing tube 2, the magnet housing cover 1 and the magnet housing base 7.
  • the housing of the drive consists of the magnet housing tube 2, the magnet housing cover 1 and the magnet housing base 7.
  • These three parts of the entire housing are positively and non-positively connected to one another, the connection between the magnet housing tube 2 and the magnet housing base 7 being realized via a screw connection, which has a positive effect both when assembling the drive and on the flux of the magnetic field lines
  • the magnet sleeve 9 is arranged such that it protrudes into the magnet housing cover 1, thus a coupling surface 13 is formed, which directly presents itself as a circular end face, and a coupling surface 18 is formed, which extends circumferentially between the magnet sleeve 9 Magnetic housing cover 1 gives this to a degree that corresponds to the extent to which the magnetic sleeve 9 protrudes into the magnetic housing cover 1
  • the magnet sleeve 9 can be screwed into the magnet housing base 7, and the magnet sleeve 9 is countered to the magnet housing base 7 and the magnetic housing base 7 is locked to the magnet housing tube 2 via a counter ring 8
  • the magnetic sleeve 9 designed as a symmetrical rotating part, has on its outer circumference, in the effective area of the winding 4, a circumferential recess 10, as a result of which an air gap is generated between the magnetic sleeve 9 and the coil body 3 with winding 4, which at the same time provides resistance, so that the magnetic field lines are steered in the desired direction of force when the magnet is driven in their magnetic field line flux
  • the passage openings 1 1 provided in the magnet armature 6 allow the passage of the medium present in the valve, so that pressure equalization within the system is made possible.
  • the central bore 11 serves to receive and support elements for transmitting the lifting movement to the corresponding actuator of the valve, which is not shown in detail.
  • the coupling surfaces 13; 18 between the magnet sleeve 9 and the magnet housing cover 1 are larger than the circular area of the end face of the magnet sleeve in previously known designs of pot magnets, or are larger than the cylinder surface area, which would result if the magnet sleeve were to pass completely through a magnet housing cover.
  • the coupling surfaces 14; 15; 16 between the magnet housing cover 1, the magnet housing tube 2 and the magnet housing base 7 is larger than the smallest cross-sectional area in the outer magnetic circuit and thus all coupling surfaces are significantly larger than the effective end face in known solutions.
  • the excitation winding 4 is fully connected and arranged in the magnet housing tube 2 with a pressed-in magnet housing cover 1 and a screwed-in magnet housing base 7 via the lock ring 8 with the magnet sleeve 9 in such a way that the peripheral recess 10 lies inside the pot magnet and is therefore mechanically all-round is protected outside. Should this part burst due to any circumstance, this is harmless to the environment, since this sleeve part cannot be thrown out of the drive.
  • the special arrangement and design of the circumferential recess 10 ensures that a direct influence on the characteristic curve is possible.
  • Electromagnet which is briefly overexcited in the tightening phase, during this
  • This electronic pulse control is implemented by the control electronics, the circuit diagram of which is shown in FIG. 2.
  • This control is designed so that it is operated with approx. 230 volts AC, realizes a brief overexcitation and then switches over to a holding excitation, so that only a fraction of the energy is transferred to the magnet
  • the magnet can also be controlled via 24 V DC voltage, whereby all conceivable control voltages can be implemented.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnets (AREA)

Abstract

L'invention concerne un organe de commande électromagnétique servant à produire des mouvements énergiques et rapides, conçu notamment pour être utilisé dans la technique des robinetteries et des soupapes. Cet organe de commande se présente sous la forme d'un « aimant à culasse ». Il présente un boîtier en trois parties, dans lequel sont placés une carcasse de bobine (3), comportant les enroulements correspondants (4), et une douille d'aimant (9). Un induit (6) est monté de manière à pouvoir se déplacer verticalement dans la douille d'aimant (9). Cette dernière est pourvue d'un évidement côté périphérique (10), et sa partie tête est placée dans le couvercle (10) du boîtier d'aimant de façon à former des surfaces de couplage (13; 18).
PCT/DE1999/002196 1999-07-15 1999-07-15 Organe de commande electromagnetique WO2001006159A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/DE1999/002196 WO2001006159A1 (fr) 1999-07-15 1999-07-15 Organe de commande electromagnetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE1999/002196 WO2001006159A1 (fr) 1999-07-15 1999-07-15 Organe de commande electromagnetique

Publications (1)

Publication Number Publication Date
WO2001006159A1 true WO2001006159A1 (fr) 2001-01-25

Family

ID=6918839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1999/002196 WO2001006159A1 (fr) 1999-07-15 1999-07-15 Organe de commande electromagnetique

Country Status (1)

Country Link
WO (1) WO2001006159A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005026598A1 (fr) * 2003-09-05 2005-03-24 Robert Bosch Gmbh Electrovanne

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887162A (en) * 1972-05-26 1975-06-03 Kernforschung Gmbh Ges Fuer Glandless solenoid valve for corrosive media
US3974998A (en) * 1972-07-28 1976-08-17 Crown Cork & Seal Company, Inc. Spray coating apparatus
US4392634A (en) * 1980-02-04 1983-07-12 Fujikin International, Inc. Electromagnetic valve
DE4310415A1 (de) 1992-04-04 1993-10-07 Schrott Harald Elektromagnetisches Ventil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887162A (en) * 1972-05-26 1975-06-03 Kernforschung Gmbh Ges Fuer Glandless solenoid valve for corrosive media
US3974998A (en) * 1972-07-28 1976-08-17 Crown Cork & Seal Company, Inc. Spray coating apparatus
US4392634A (en) * 1980-02-04 1983-07-12 Fujikin International, Inc. Electromagnetic valve
DE4310415A1 (de) 1992-04-04 1993-10-07 Schrott Harald Elektromagnetisches Ventil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005026598A1 (fr) * 2003-09-05 2005-03-24 Robert Bosch Gmbh Electrovanne

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