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EP3775641A1 - Soupape électromagnétique et soupape de surpression - Google Patents

Soupape électromagnétique et soupape de surpression

Info

Publication number
EP3775641A1
EP3775641A1 EP19717855.1A EP19717855A EP3775641A1 EP 3775641 A1 EP3775641 A1 EP 3775641A1 EP 19717855 A EP19717855 A EP 19717855A EP 3775641 A1 EP3775641 A1 EP 3775641A1
Authority
EP
European Patent Office
Prior art keywords
valve
armature
coil
valve member
parameter
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.)
Withdrawn
Application number
EP19717855.1A
Other languages
German (de)
English (en)
Inventor
Klemens Schander
Björn DIESSL
Stefan DINGES
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.)
Woco Industrietechnik GmbH
Original Assignee
Woco Industrietechnik 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 Woco Industrietechnik GmbH filed Critical Woco Industrietechnik GmbH
Publication of EP3775641A1 publication Critical patent/EP3775641A1/fr
Withdrawn legal-status Critical Current

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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F16K37/0041—Electrical or magnetic means for measuring valve parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12—Control of the pumps
    • F02B37/16—Control of the pumps by bypassing charging air
    • 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
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • 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
    • F16K31/0655—Lift valves
    • 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
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
    • 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
    • F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/128—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like servo actuated
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • 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
    • H01F7/16—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
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
    • 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
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • H01F2007/185—Monitoring or fail-safe circuits with armature position measurement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a valve (electromagnetic valve, in particular pilot valve for controlling a main valve, such as a pilot operated valve within a diverter valve, comprising at least one with at least one movable along a first axis armature operatively connected valve member and at least one coil element, wherein by means of a current supply the coil element movement of the armature and the valve member is reached) and a diverter valve, comprising such a valve.
  • a valve electronic valve, in particular pilot valve for controlling a main valve, such as a pilot operated valve within a diverter valve, comprising at least one with at least one movable along a first axis armature operatively connected valve member and at least one coil element, wherein by means of a current supply the coil element movement of the armature and the valve member is reached
  • a diverter valve comprising such a valve.
  • the diverter valve comprises a main valve by means of which the flow of at least one fluid, in particular within a motor vehicle, can be controlled along a fluid path.
  • the main valve operates pneumatically, with control of the main valve via an electromagnetic control or pilot valve.
  • This diverter valve has proven itself in principle, because it has a lower energy consumption, in particular in comparison to diverter valves, in which there is a direct electromagnetic control of the main valve.
  • the pressures present in the fluid path are used to assist the movement of the pilot valve and thus to reduce its energy consumption.
  • a disadvantage of this diverter valve is that an additional sensor unit is necessary to detect the operating position of the diverter valve, in particular the pilot valve.
  • an additional sensor element must be arranged on the valve member of the main valve or the pilot valve. This leads to, that a certain installation space for the sensor element must be made available, whereby the volume of construction is increased in order to achieve sufficient structural strength and thus reliability of the valve member.
  • the electromagnetic valve is characterized by at least one sensing element by means of which at least one parameter of the coil element can be detected, wherein by means of the parameter, the position of the armature and / or the valve member can be determined.
  • the coil element surround the first axis and / or the armature at least regionally, preferably coaxially, at least in regions.
  • the coil element comprises at least two individual coils, preferably exactly two individual coils, wherein preferably the individual coils are arranged one behind the other along the first axis and / or at least one single coil, in particular all individual coils, preferably at least in regions, in particular partially coaxial, the first axis and / or the armature surrounds or surround.
  • At least one permanent magnet is arranged between two individual coils with respect to the first axis, wherein the permanent magnet is at least partially formed as a ring magnet, in particular at least partially, preferably at least partially coaxially surrounding the first axis and / or the armature ,
  • the sensing element at least a first parameter of a first single coil and / or at least a second parameter of a detected second single coil, wherein preferably the permanent magnet between the first single coil and the second single coil arranged
  • an electromagnetic valve according to the invention can be characterized by, at least one control and / or regulating device, wherein the control and / or regulating device with the sensing device, the coil element, and / or the single coil, in particular the first single coil and / or the second single coil is operatively connected and / or the Anleer and / or the valve member, preferably by means of the control and / or regulating device, in at least two different positions along the first axis is movable.
  • the method of the armature and / or the valve member by controlling the coil element in particular the single coil, preferably a plurality, preferably all individual coils, depending on a, preferably the control and / or regulating device by means of at least a setpoint input input supplied, target value takes place.
  • a first position of the armature and / or the valve member corresponds to a closed position in which preferably the valve member on at least one valve seat, in particular for closing a connection between at least one valve inlet and at least one valve outlet, preferably sealingly rests and / or a second position of the armature and / or the valve member corresponds to an open position, in which preferably the valve member is at least partially lifted from the valve seat, in particular for opening a connection between the valve inlet and the valve outlet.
  • the parameter in particular the first parameter and / or the second parameter, at least one inductance, at least one ohmic resistance, and / or at least one impedance of the Coil element and / or the single coil, preferably the first single coil and / or the second single coil comprises.
  • the invention provides a diverter valve comprising at least one, preferably pneumatic and / or hydraulic, main valve and at least one pilot valve for controlling the main valve, wherein the pilot valve is in the form of an electromagnetic valve according to the invention.
  • the main valve may preferably be designed as a two-way valve or as a three-way valve.
  • the main valve can be set in two switching positions.
  • the fluid inlet is preferably sealed off from the fluid outlet in a switching position, whereas in the second switching position the fluid inlet is connected to the fluid outlet.
  • three lines, in particular a fluid inlet and two fluid outlets, are preferably provided.
  • the fluid inlet is connected to one of the two fluid outlets, while the other fluid outlet is sealed off from the fluid inlet.
  • the other fluid outlet is preferably connected to the fluid inlet, while the one fluid outlet is sealed off from the fluid inlet.
  • valve member of the main valve preferably each has a sealing element which cooperates in the corresponding switching position, each with a valve seat of the main valve, in particular in each case seals a fluid outlet with respect to the fluid inlet.
  • the fluid outputs are aligned parallel to the fluid inlet, in particular aligned tuning fork-shaped to each other.
  • valve member of the main valve is configured as a hollow body having an inlet opening facing the fluid inlet and an outlet opening facing the pilot valve, via which the pilot valve can be acted upon by the fluid pressure on the valve member.
  • the invention is thus based on the surprising finding that the construction of an electromagnetic valve which simultaneously enables the detection of a position of a valve member of the valve can be significantly simplified by using a sensing unit which does not require additional attachments or abutments to the valve member or valves makes moving parts necessary by performing an evaluation of Parameters of a coil element of the valve is performed.
  • it makes sense to detect the inductance of the coil element, for example by detecting the voltage supplied to the coil element of the supplied current and / or the phase shift, and to derive the position of an armature or valve member of the electromagnetic valve by means of a sensing unit.
  • the associated space required is significantly reduced in comparison to known from the prior art sensor units, since no additional attachments such as sensor elements on moving parts are necessary, but only one must be provided even in known from the prior art sensor units electronics.
  • the pilot valve is designed as a bistable valve.
  • Such a bistable design of the valve also has the advantage that the energy efficiency can be further increased, in particular the energy consumption can be significantly reduced.
  • the coil element comprises at least two individual coils, between which a permanent magnet element, in particular a ring-permanent magnet element is arranged. In this way it is possible to achieve an energy-saving control of the medium flow.
  • the circuit of high pressures can be achieved, in particular due to the utilization of the pressures of the switched fluid, wherein moreover a lower total weight is achieved.
  • the energy consumption compared to known from the prior art systems is significantly reduced, since only the actual switching movement, in particular the movement of the valve member from the closed to the open position and vice versa energy is needed, but not to hold the valve in the corresponding position.
  • this holding is achieved on the one hand by the permanent magnet within the pilot valve and holding the main valve on the other hand due to the corresponding switching position of the pilot valve for the main valve by the resulting from the pressure of the fluid to be switched forces.
  • the bistable or bipolar structure through the use of at least two individual coils facilitates the position determination of the pilot valve and thus the main valve and increases the functional safety of the entire diverter valve.
  • the evaluation can be carried out such that a parameter of the entire coil element is detected in order to perform a position detection, but it is also possible that only one parameter of one or each individual coil is detected.
  • the recorded parameters are, in particular, the inductance, an ohmic resistance, an impedance or other parameters of electromagnetic coils which are in principle easily detectable.
  • the only additional element for position detection therefore, only electronics in the form of a control and / or regulating device is necessary, which is coupled to the sensing device or contains same.
  • Figure 1 is a partial cross-sectional view of a diverter valve according to the invention with an electromagnetic valve according to the invention, used as a pilot valve;
  • Figures 2a and 2b are respective cross-sectional views of the diverter valve of Figure 1 in different switching positions.
  • Figure 3 is a cross-sectional view of another embodiment of an electromagnetic valve according to the invention, as it can be used in the diverter valve of Figure 1;
  • Figure 4 is a partial cross-sectional view of another embodiment of a diverter valve according to the invention with an electromagnetic valve according to the invention, used as a pilot valve;
  • FIG. 5 shows an enlarged view of the detail A from FIG. 4.
  • FIG. 1 shows a partial cross-sectional view of a diverter valve 1 according to the invention.
  • the diverter valve 1 comprises a main valve 3 as well as a 3-way valve formed from electromagnetic control or pilot valve fifth
  • the main valve 1 has a fluid inlet 7 and a fluid outlet 9 for a fluid to be switched by the diverter valve 1.
  • the fluid is at a pressure Pl, while the fluid in the region of the fluid outlet 9 has a pressure P2.
  • the voltage applied to the fluid inlet 7 Pl is applied via a, a valve input of the pilot valve 5 performing line 11 to a valve seat 13 of the pilot valve 5.
  • the pilot valve 5 By switching the pilot valve 5, the prevailing in the line 11 fluid pressure Pl is selectively fed via a, a valve output of the pilot valve 5 performing line 15 a control chamber 17 of the main valve 3 or via a line 19, which is also referred to as bypass line, the fluid outlet 9.
  • opening the pilot valve 5 by means of the drive 21 causes the pressure P 1 prevailing at the fluid inlet 7 to also be supplied to the control chamber 17. Due to the fact that in the control chamber 17, ie on an upper side, a membrane active surface 23 of the main valve, the same pressure prevails, as on the underside of the membrane active surface 23, which faces the fluid inlet 7, the valve member 25 of the main valve 3 in the direction of a valve seat 27 of the main valve 3 is moved, thus closing a connection between the fluid inlet 7 and the fluid outlet 9. Due to the magnitude equality of the forces acting on the respective sides of the membrane active surface 23 forces, the closing takes place via a by a spring element 29 on the Valve member 25 acting force. However, comparatively small forces are necessary, so that the spring element 29 can be dimensioned comparatively small.
  • the diverter valve 1 is shown in the respective two operating positions. As can be seen from Figure 2a, the diverter valve 1 is shown in the open position of the main valve 3.
  • the pilot valve 5 is in a position in which a valve member 31 of the pilot valve 5 rests on a valve seat 33. This results in that a connection between the control chamber 17 and the fluid outlet 9 is made and so in the control chamber 17, the pressure P2 is applied. However, this pressure P2 is less than the pressure Pl, so that the valve member 25 is lifted from the valve seat 27 and so the connection between the fluid inlet 7 and the fluid outlet 9 is released.
  • an imbalance of forces prevails on the membrane active surface 23 such that the pressure acting on the underside of the membrane active surface 23 is greater than the pressure acting on the upper side in the control chamber 17.
  • This pressure difference allows the valve member 25 to be moved against the force developed by the spring element 29. If, by means of the drive 21, the valve member 31 or the armature 37 is moved along the first axis A such that it is lifted off the valve seat 13, the fluid course shown in FIG. 2b results.
  • the pressure P 1 acting on the fluid inlet 7 is supplied to the control chamber 17 via the line 15, so that a pressure equilibrium prevails at the diaphragm acting surface and the valve member 25 is transferred via the spring element 29 into the closed position in which the valve member 25 rests on the valve seat 27 becomes.
  • Erfmdungs according to the drive 21 is electrically connected via a connecting element 33 with a sensing device, not shown.
  • the sensing device makes it possible for a parameter of a coil element 35 of the drive 21 to be detected.
  • FIGS. 2a and 2b show a monostable drive 21.
  • an armature 37 which is in operative connection with the valve member 31, is moved against the force of a spring element 39 such that the pilot valve 5 is closed. If the energization of the coil element 35 is terminated, the situation illustrated in FIG. 2b arises, in which the armature 37 is forced out of the coil area along the first axis A by means of the spring element 39 and the valve element 13 is raised at the same time. Due to the different positions of the armature 37 Within the coil element 35, the inductance of the coil elements 35 changes, making it possible to detect the position of the armature 37 and thus of the valve member 31.
  • FIG. 3 shows a cross-sectional view of a preferred modified embodiment of a pilot valve 5 '.
  • Those elements of the erfmdungs proper electromagnetic valve in the form of the pilot valve 5 4 which correspond to those of the pilot valve 5, carry the same reference numerals, but simply deleted.
  • the pilot valve 5 4 has a bistable drive 2G.
  • the coil element 35 ' comprises a first single coil 41', a second single coil 43 'and a permanent magnet 45'.
  • the individual coils 4G, 43 4 and the permanent magnet 45 4 are formed coaxially with the first axis A 4 of the armature 37 'as a ring-permanent magnet.
  • This structure has the advantage that only for the movement of the armature 37 4 and thus the valve member 31 4 energy must be expended.
  • the necessary holding force is applied by the permanent magnet 45. 4
  • the position of the armature 37 'and thus of the valve member 31 4 can be reliably detected via the sensing unit. This is done by means of the control and / or regulating device, not shown, which supplies on the one hand via the terminal 33 4 corresponding control signals to the coil elements 35 4 and the individual coils 4G and 43 4 and at the same time the detection of the parameters of the individual coils 4G and 43 4 , in particular allows the inductance and thus allows precise position monitoring or position detection.
  • FIG. 5 shows a partial cross-sectional view of a diverter valve 1 according to the invention.
  • the diverter valve 1 comprises a trained as a three-way valve Main valve 3 and designed as a three-way valve electromagnetic control or pilot valve 5. It is in the main valve 3 and the pilot valve 5 are each three / two-way valves.
  • the pilot valve 5 is formed substantially identical to the pilot valve 5 of Figures 1, 2a and 2b. However, the pilot valve 5 can also be formed like the pilot valve 5 'from FIG. Similar or identical elements described above and below are identified by the same or similar reference numerals.
  • the main valve 3 shown in FIG. 4 comprises a fluid inlet 7 and two fluid outlets 9, 9 ".
  • a diverter valve 1 In a diverter valve 1 according to the invention with a three-way valve as the main valve 3, it has been found preferable to form the fluid inlet 7 and the fluid outlets 9, g 'parallel to each other, in particular, as shown here, tuning fork-shaped.
  • the fluid outlets 9, g ' are preferably connected to the fluid inlet 7 via a valve member housing 47.
  • the valve member 25 "of the main valve 3 can be brought into two operating positions, wherein in one operating position the fluid inlet 7 is connected to the fluid outlet g 'and in the other operating position the fluid inlet 7 is connected to the fluid outlet 9.
  • the valve member 25 two sealing means 49, 49 ', depending on the operating position on one of the two valve seats 27", 27 "of the valve member housing 47 one of the fluid outputs 9, g' seal against the fluid inlet 9.
  • FIG. 4 shows the operating position in which the fluid inlet 7 is connected to the one fluid outlet g 'and the other fluid outlet 9 is sealed off from the fluid inlet 7 via the sealing means 49 fitting the valve seat 27 ".
  • This operating state is achieved in that the pilot valve 5 is set in a position in which the valve member 31 of the pilot valve rests on the valve seat 33 of the pilot valve.
  • the control chamber 17 is acted upon via a valve inlet of the pilot valve 5 performing line 11 "and a valve output of the pilot valve 5 performing line 15" with the pressure Pi.
  • the third line 19 "of the pilot valve 5 acts as a bypass line, which is sealed in the position shown in Figure 4 by the voltage applied to the valve seat 13 'valve member 31' of the pilot valve 5 relative to the control chamber 17. Due to the larger effective effective area of the pressure Pi on the side of the control chamber 17, the valve member 25 'is driven into the position shown, in which the seal 49 rests against the valve seat 27 * of the main valve 3.
  • the valve member 31 of the pilot valve By actuating the pilot valve 5, the valve member 31 of the pilot valve can be moved away from the valve seat 13 of the pilot valve, so that via the lines 19 "and 15" a Connection between the fluid outlet 9 and the control chamber 17 'is formed, via which the pressure Pi can be reduced. After the pressure reduction, the lower pressure P2 of the other fluid outlet 9 is present in the control chamber 17. In this state, the force acting on the valve member 25 "due to the spring member 29" and the pressure Pi outweighs the opposite force acting on the pressure P2 in the controller 17. Thereby, the valve member 25 'of the main valve 3 is displaced to the position not shown, jn of the fluid inlet 7 is connected to the further fluid outlet 9 and the fluid outlet g' is sealed relative to the fluid inlet 7.
  • valve can be used advantageously both in main valves in the form of two-way valves and in the form of three-way valves.
  • This bistable embodiment has a positive effect on energy efficiency in that, for example, for a cycle duration of 10 minutes, in which the pilot valve is opened for 5 minutes and closed for 5 minutes, for 6 cycles with a supply voltage of 12 volts only an energy requirement of 40 watt seconds necessary is.
  • an energy requirement of 13000 watt seconds is necessary, which is still less than for a direct electromagnetic actuation of the main valve 3 by means of an electromagnetic drive, in which a demand of 22,000 watt seconds arises.
  • the reduced energy consumption makes it possible to use the valve according to the invention in electric vehicles, in order to be able to switch corresponding fluid flows with a lower energy requirement by several 1 Oer potencies, in comparison to known from the prior art Schubumluftventilen.
  • an inventive electromagnetic valve which can be used as a pilot valve within a diverter valve, a lower switching force, whereby a drive with a smaller volume can be used and thus results in a compact design.
  • the drive is designed as a bistable or bipolar drive, a reduction of the energy requirement is achieved, which again results in a significant weight reduction. Due to the geometry of the main valve, however, it is simultaneously possible with a low energy to switch high pressures and the Valve, in particular diverter valve, can be used for various applications, since neither the pressure nor the flow of the fluid affects the switching force.
  • the continuous monitoring of the position of the pilot valve ensures a high degree of operational reliability and ensures that the diverter valve can be transferred to a predefined fail-safe position in the event of functional defects.
  • a compact construction also results from the fact that, in particular in the case of a bipolar drive, a simple position evaluation results by detecting the parameters of the coil element.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne une soupape électromagnétique, en particulier une soupape pilote (5), destinée à commander une soupape principale (3), telle qu'une soupape à commande de pilotage dans une soupape de surpression, comprenant : au moins un organe de soupape (31, 31') en liaison fonctionnelle avec au moins un ancre (37, 37') mobile le long d'un premier axe (A, Α') ; au moins un élément de bobine (35, 35', 41', 43'), au moyen d'une mise sous tension de l'élément de bobine un mouvement de l'ancre et/ou de l'organe de soupape pouvant être obtenu ; et au moins un élément de détection, au moyen duquel au moins un paramètre de l'élément de bobine peut être détecté, au moyen du paramètre, la position de l'ancre et/ou de l'organe de soupape pouvant être déterminée.
EP19717855.1A 2018-04-11 2019-04-11 Soupape électromagnétique et soupape de surpression Withdrawn EP3775641A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018101968.6U DE202018101968U1 (de) 2018-04-11 2018-04-11 Elektromagnetisches Ventil und Schubumluftventil
PCT/EP2019/059264 WO2019197533A1 (fr) 2018-04-11 2019-04-11 Soupape électromagnétique et soupape de surpression

Publications (1)

Publication Number Publication Date
EP3775641A1 true EP3775641A1 (fr) 2021-02-17

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EP19717855.1A Withdrawn EP3775641A1 (fr) 2018-04-11 2019-04-11 Soupape électromagnétique et soupape de surpression

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Country Link
US (1) US20210025517A1 (fr)
EP (1) EP3775641A1 (fr)
CN (1) CN112236610A (fr)
DE (1) DE202018101968U1 (fr)
WO (1) WO2019197533A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113757388A (zh) * 2021-09-08 2021-12-07 安徽华东光电技术研究所有限公司 先导式高压自锁阀
US11608907B1 (en) * 2022-08-19 2023-03-21 Pipl Limited Solenoid valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789876A (en) * 1973-04-06 1974-02-05 Parker Hannifin Corp Solenoid valve with electronic position indicator
DE19631909A1 (de) * 1995-08-08 1997-02-13 Fev Motorentech Gmbh & Co Kg Verfahren zur Justierung der Ruhelage des Ankers an einem elektromganetischen Aktuator
DE10141764A1 (de) * 2000-10-20 2002-06-27 Micro Epsilon Messtechnik Vorrichtung und Verfahren zur Detektion der Position eines Objekts
DE102005041873A1 (de) * 2005-08-23 2007-03-08 Linde Ag Verfahren zur Bestimmung der Position eines Ankers eines Elektromagneten
US10253900B2 (en) * 2014-05-27 2019-04-09 Continental Automotive Systems, Inc. Latching valve assembly having position sensing
DE102016200118A1 (de) * 2016-01-08 2017-07-13 Continental Teves Ag & Co. Ohg Verfahren zur Bestimmung des Öffnungsstromes eines analog angesteuerten Ventils und Druckregelvorrichtung
DE102016002677A1 (de) * 2016-03-05 2017-09-07 Wabco Gmbh Bistabile Magnetventil-Einrichtung und Verfahren zum Ermitteln einer Ankerstellung eines bistabilen Magnetventils
DE202016104363U1 (de) 2016-08-08 2017-11-10 Woco Industrietechnik Gmbh Ventil

Also Published As

Publication number Publication date
CN112236610A (zh) 2021-01-15
DE202018101968U1 (de) 2019-07-12
WO2019197533A1 (fr) 2019-10-17
US20210025517A1 (en) 2021-01-28

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