WO2018065166A1 - Dispositif formant soupape électromagnétique et utilisation de celui-ci - Google Patents

Dispositif formant soupape électromagnétique et utilisation de celui-ci Download PDF

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Publication number
WO2018065166A1
WO2018065166A1 PCT/EP2017/072501 EP2017072501W WO2018065166A1 WO 2018065166 A1 WO2018065166 A1 WO 2018065166A1 EP 2017072501 W EP2017072501 W EP 2017072501W WO 2018065166 A1 WO2018065166 A1 WO 2018065166A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow
anchor
current
valve seat
section
Prior art date
Application number
PCT/EP2017/072501
Other languages
German (de)
English (en)
Inventor
Peter Vincon
Jörg BÜRSSNER
Original Assignee
Eto Magnetic 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 Eto Magnetic Gmbh filed Critical Eto Magnetic Gmbh
Publication of WO2018065166A1 publication Critical patent/WO2018065166A1/fr

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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
    • F16K31/0655—Lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/52—Means for additional adjustment of the rate of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2031/00—Fail safe

Definitions

  • Electromagnetic valve device as well
  • the present invention relates to an electromagnetic valve device, in particular designed as a 2/3-way valve, according to the preamble of the main claim. Furthermore, the present invention relates to a use of such an electromagnetic valve device.
  • Generic valve devices have an anchor unit (anchor means) which is movable by energizing stationary coil means relative to a stationary core and thus cooperates with a valve seat (valve seat means) that in addition to a closure position (closure position of the anchor means), in which a fluid flow through the valve seat means is interrupted, a plurality of opening states (corresponding to opening positions of the anchor means) are provided which differ in their opening width and thus realize different flow-effective cross sections for fluid to be switched.
  • valve device (more precisely, the valve seat means) is more or less strongly inhibited (throttled), so that generic electromagnetic valve devices, in the form of the first flow-effective cross section reduced in flow, have a throttling effect compared to the extended second flow-effective cross-section can realize and thus offer a so-called pilot functionality, in which (only) a minimum flow of the fluid to be switched flows through the valve device.
  • the exemplary use or application context in a cooling circuit of a motor vehicle technology makes special demands on such, as a generic educated presupposed electromagnetic valve devices:
  • thermal effects and pollution, vibration and the like Operating conditions in the automotive context for a load on a device that thus in terms of must be of high quality on service life, quality of production and durability.
  • special demands on the reliability and reliability of valves as in the exemplary context of the coolant valve in so-called normally closed design of the valve, ie Anchor means cause in flowless coil, closing the flow, it can lead to significant damage to the unit to be cooled in case of power failure.
  • Object of the present invention is therefore to optimize an electromagnetic valve device according to the preamble of the main claim in terms of their operating characteristics for such applications, in which a so-called pilot state, namely an opening state of the valve device with respect to a maximum opening throttled flow-effective cross-section, a conventional Operating state is. Furthermore, a correspondingly improved electromagnetic valve device is to be provided, which is structurally simple and thus potentially suitable for series production and suitable for a multiplicity of possible uses and fluids to be switched. The object is achieved by the electromagnetic valve device having the features of the main claim; advantageous developments of the invention are described in the subclaims.
  • the generic technology is that in which the anchor means may assume different positions in response to movement of the anchor means along the longitudinal axis of motion relative to the stationary core means, which then associate different open or closed states of the valve seat means with the controlled fluid flow are further developed, characterized in that the invention initially provides that in an energized state of the coil means, the anchor means so cooperate with the valve seat means that in this first position of the so-called pilot operation is possible, that is, a first flow-effective cross-section is released by the valve seat means without current which the fluid flow - compared to a maximum open position of the electromagnetic valve device throttled - can flow.
  • Obvious advantage of this measure according to the invention is that in this pilot state, since no current, there is no electrical energy consumption.
  • the invention then further provides that when the coil means is energized with a first coil current, which is usually set to be below a first predetermined current threshold value, the armature means assume the third position along the longitudinal axis of movement, at which the fluid flow is locked by the valve seat means.
  • a first coil current which is usually set to be below a first predetermined current threshold value
  • the armature means assume the third position along the longitudinal axis of movement, at which the fluid flow is locked by the valve seat means.
  • valve seat means according to the invention have a sealing assembly, which is designed for sealing cooperation with a stationary nozzle portion (as "stationary” in the context of the invention is to be understood as an assembly property, which is locally fixed in a suitable housing of the sealing device according to the invention additionally has the property of being able to be moved on the one hand by the armature unit (to be driven by it), on the other hand it is itself a turn Relative distance between the anchoring means and the sealing assembly variable.
  • the second flow-effective cross section between the stationary nozzle section and a sealing section of the sealing assembly is implemented (more preferably a maximum flow through the electromagnetic valve device).
  • This development of the invention is particularly constructive elegant and advantageous when this sealing portion of the sealing assembly is radially - based on the movement longitudinal axis - outboard, in particular by a plate or disc portion of the seal assembly is realized and, suitably sealing, on the more preferably associated with a valve inlet stationary nozzle section can grab.
  • the second flow-effective cross-section is then defined by a measure of this stationary nozzle section to be cleared, and the cooperating seal assembly then enables, in cooperation with the anchoring means or ram means abutting thereon, the formation of the first flow-effective (reduced in cross-section and thus enabling throttling) section.
  • the cooperation between the anchoring means (or the anchoring means preferably axially along the movement longitudinal axis continuing ram means) and the sealing assembly is formed so that first spring means in the de-energized state of the coil means cause a predetermined minimum distance between the armature and the core means.
  • the anchor means or the abutting plunger means
  • the anchor means to expose therebetween the first flow-effective cross-section in order to allow the fluid flow throttled according to the invention in the de-energized state.
  • a passage is provided which is open in this operating state;
  • such a passage is formed by a section of the sealing assembly, in particular radially inward and more preferably sleeve-like, in which the armature tappet means are guided with a front engagement end.
  • the energizing with the first current causes a relative movement between the anchoring means and the sealing assembly, such that in the preferred embodiment, the front eingnffs worne end of the anchor tappet means engages in the preferred sleeve-like portion of the seal assembly (and more preferably strikes there), which then the formed there passage - to realize the first flow-effective cross section as a throttle cross section - is closed.
  • the sealing assembly as such remains unchanged in its position on the (preferably radially surrounding) nozzle section, so that according to the invention this energization state interrupts the possible fluid flow through the valve seat means with the first current below the current threshold value. This corresponds to the third position of the anchor means according to the invention.
  • the sealing assembly is biased by spring force second spring means (typically realized as a compression spring, as well as the first spring means) against the stationary nozzle portion.
  • the invention further provides that a spring force of the second spring means is greater than the spring force of the first (the anchor plunger means relative to the sealing assembly in an opening position for the first flow-effective cross-section biasing) first spring means. Consequence is that only in the energization of the second stream, so in particular a current above the first current from the second current demarkenden current threshold, the spring force of the second spring means overcome by the anchor means and the seal assembly is released from the stationary nozzle portion.
  • this enables the release (exposure) of the second (larger and unthrottled) flow-effective cross-section in the (strengthened) second flow.
  • the sealing assembly forms a stop for cooperation with the anchoring means, in particular a stop for ram means rigidly connected to the anchor means.
  • this variant is preferably configured such that the stationary core means are provided along the longitudinal movement axis between the anchor means and the valve seat means and provide a (usually axial or centric) opening (hole) for passing an anchor portion or the ram means connected to the anchor means.
  • the above principles of the invention and their developments can also be realized by a tensile actuation of the sealing assembly by the anchor means (or the associated plunger means).
  • the anchor means along the movement longitudinal axis between the (stationary) core means and the valve seat means would be provided.
  • the first spring means in unverbestromter device an anchor or anchor ram side sealing portion complained of holding the seal assembly and so for this de-energized operating state pilot operation (ie the opened first flow-effective cross-section) would be energized with the first current and thus caused tightening the anchoring means (plunger means) closed this opening, with still sitting on the nozzle portion sealing assembly which also realizes a stop. Only the energization with the strong second current with the correspondingly reinforced train through the anchor means then opens the associated second flux-effective cross-section by pulling along the sealing assembly by means of the sealing section.
  • the present invention is not limited thereto. Rather, the invention is particularly suitable for those applications in which, energetically efficient, a (throttled in a passage cross-section) pilot operation is to be ensured in de-energized state of the valve device and then closed by energization with successively amplifying currents, the valve device or completely and should be opened unthrottled.
  • Fig. 1 partial views (a) to (c) is a schematic
  • FIG. 2 with sub-figures (a) to (c) analogous to FIG. 1 is a schematic
  • Valve device in which the sealing assembly is actuated by the anchor unit to train, again with operating states in sub-figures (a) to (c) analogous to FIG. 1.
  • FIG. 1 shows an armature unit in the form of an armature body 10 which is movable along an axis of movement extending vertically in the plane of the figure and which can be moved in an otherwise known manner by supplying current to the armature 10 and to a stationary magnetic core 12 which surrounds it axially is.
  • the anchor body 10 has a rigidly connected, elongated and with respect to the anchor body 10 in diameter reduced anchor plunger (plunger means) 14, which is passed through a longitudinal axis along the movement extending central bore of the stationary core 12 and end (in the figures bottom side) in a sealing assembly 18 opens, which together with a stationary valve seat (nozzle portion) 20 valve seat means 16 realized. More precisely, these valve seat means form an inlet 22, which is open at the bottom in the figure depictions of FIG. 1, in which fluid to be switched - in the example of a motor vehicle coolant valve shown here - enters and then, depending on the switching state of the valve, through a annular outlet 12 surrounding the core 12 can escape.
  • a compression spring 26 which is suitably supported by a stationary housing portion, biases a sealing plate portion 28 of the sealing assembly 18 against the nozzle portion 20, so that both in the operating state of Fig. 1 (a), and (b) a fluid passage between the modules 18 and 20 is not possible.
  • a further compression spring 32 (a relation to the compression spring 26 reduced spring strength) is provided which approximately in the manner shown in Fig. 1 (a) both to the anchor body 10, as Also, the core 12 engages opposite end faces and this presses apart in the manner shown. This leads to the situation shown in Fig.
  • FIG. 1 (b) illustrates the behavior of the valve when the coil means (not shown) for moving the anchor body 10 (including plunger 14 rigidly connected thereto) in a downward direction in the plane of the figure, towards the stationary core 12, be energized. This energization is done with a first reduced coil current, which is suitable, the anchor body 10 against a Druck
  • the current strength of the energization increases, preferably over a predetermined, adapted to the opening conditions of the nozzle portion 20 in cooperation with the spring 26 Stromschwellwert addition, the anchor force is sufficient to effect by the bottom of the Seal assembly 18 abutting and this downwardly entraining plunger unit to open an outer valve seat between the nozzle portion 20 and the sealing washer 28 of the seal assembly.
  • the flow-effective cross section thus exposed is greater than a fluid flow flowing through the opening 36 in the operating state of FIG. 1 (a), so that the subfigure (c) describes the completely open operating state (whereby, for the sake of simplification of the discussion, also conceivable intermediate positions of the armature, according to a suitable current supply, should be disregarded).
  • This maximum opening state is also limited in the axial stroke of the core 12 abutting anchor 10, which Insofar as the clear axial width of the transition region 30 in subfigure (c) is reduced to zero.
  • a termination of the energization then leads via the state of the subfigure (b) as a transition state back to the de-energized operating situation of Fig. 1 (a).
  • FIG. 1 illustrating a pressure actuation of this sealing assembly.
  • FIG. 2 In the description of FIG. 2 with its subfigures identical functional components are provided with the same reference numerals of the figure complex 1, equivalent or functionally corresponding functional components are additionally identified by an apostrophe.
  • the anchor body 10 ' is also provided here below the stationary core 12' along the vertical direction (movement longitudinal axis) and, in response to an energization of the armature 10 in FIG. 2 (b) and (c) 'and core 12' enclosing (not shown) bobbin means in the plane of the figure moves upward in the plane of the figure, to close the transition region 30 between these assemblies.
  • armature 10 'and core 12' spread apart, in turn, the spring force of the spring 32 is less than the spring force of the spring 26 '.
  • the sub-figure 2 (b) describes, analogous to FIG. 1 (b), the BestromungsSullivan with a first (weaker) current. This leads, as shown in FIG. 2 (b), to an upward movement of the armature 10 'and thus a shortening of the clear width of the transition 30 to the core 12'. This movement is limited by the fact that the driver portion 42 at the end of the plunger 14 'abuts the bottom of the seal assembly 44 as a stop, but can not take this, since the coil current according to part 2 (b) and the associated anchor force is not sufficient to the (downward) compressive force of the spring 26 ', which the Seal assembly 44 against the opening 22 'presses to overcome.
  • part figure 2 (b) describes the fully closed or locked valve state: On the one hand, namely by the upward movement and striking, the driver end 42 of the plunger 14 'the still in the partial figure (a) enabled flow between plunger 14' and surrounding sealing assembly 44 sealed, on the other hand, the valve seat described by the flange-like ring 28 'and the edges of the opening 22' remains closed.
  • the present invention is not limited to the embodiments shown. Rather, numerous other variants and modifications are conceivable to the described principles of the invention in cooperation between anchoring means and sealing assembly for realizing the sequence of the invention: throttled open - fully closed - fully open (and then opposite).
  • the device shown is indeed favorable and particularly preferred as a coolant valve, in particular for a cooling circuit in a motor vehicle system, suitable and usable, even to this preferred use, the present invention is not limited, but it is suitable for all technologies in which in particular energy efficient and efficiently an unpowered pilot operation is to be implemented in a 2/3-way valve.

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

Abstract

L'invention concerne un dispositif formant soupape électromagnétique, en particulier une soupape à 2/3 voies, comprenant des moyens formant induit (10) déplaçables le long d'un axe longitudinal de déplacement par une alimentation en courant électrique de moyens formant bobine par rapport à des moyens formant noyau (12) fixes, lesquels moyens formant induit sont conçus pour coopérer avec des moyens formant siège de soupape (16, 18, 20) provoquant un flux de fluide commandé présentant différentes sections transversales d'écoulement, de telle sorte que, dans une première position des moyens formant induit le long de l'axe longitudinal de déplacement, un flux de fluide entrant dans une entrée (22) peut s'écouler à travers les moyens formant siège de soupape jusqu'à une sortie (24) en présentant une première section transversale d'écoulement, dans une deuxième position, différente de la première position, des moyens formant induit le long de l'axe longitudinal de déplacement, le flux de fluide peut s'écouler à travers les moyens formant siège de soupape de manière à présenter une deuxième section transversale d'écoulement agrandie par rapport à la première section transversale d'écoulement et, dans une troisième position des moyens formant induit le long de l'axe longitudinal de déplacement, le flux de fluide à travers les moyens formant siège de soupape est interrompu, le dispositif formant soupape étant conçu de telle sorte que les moyens formant induit adoptent la première position dans un état non alimenté en courant électrique des moyens formant bobine, les moyens formant induit adoptent la troisième position lorsque les moyens formant bobine sont alimentés en un premier courant inférieur à une valeur seuil de courant et adoptent la deuxième position lorsque les moyens formant bobine sont alimentés en un deuxième courant de plus grande intensité que le premier courant et supérieur à la valeur seuil de courant, la troisième et la deuxième position se suivant le long de l'axe longitudinal de déplacement à partir de la première position et les moyens formant siège de soupape comprenant un module d'étanchéité conçu pour coopérer de manière étanche avec une partie de buse (20) fixe et guidé de manière mobile sous l'action des moyens formant induit et relativement à ceux-ci.
PCT/EP2017/072501 2016-10-07 2017-09-07 Dispositif formant soupape électromagnétique et utilisation de celui-ci WO2018065166A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016119063.2A DE102016119063A1 (de) 2016-10-07 2016-10-07 Elektromagnetische Ventilvorrichtung sowie Verwendung einer solchen
DE102016119063.2 2016-10-07

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WO2018065166A1 true WO2018065166A1 (fr) 2018-04-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111075983A (zh) * 2019-12-27 2020-04-28 宜宾三江机械有限责任公司 一种双余度电磁开关装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110319273A (zh) * 2019-04-15 2019-10-11 浙江朗诗德健康饮水设备股份有限公司 一种可调降噪废水阀

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DE3422214A1 (de) * 1983-06-16 1984-12-20 Volkswagenwerk Ag, 3180 Wolfsburg Elektromagnetisches steuerventil
EP0595014A1 (fr) 1992-10-29 1994-05-04 Robert Bosch Gmbh Electrovanne
DE102007002432B3 (de) * 2007-01-17 2008-06-19 A. Kayser Automotive Systems Gmbh Abblaseventil für einen Turbolader
US20140008556A1 (en) * 2011-02-25 2014-01-09 öHLINS RACING AB Valve device
US20150034193A1 (en) * 2013-08-01 2015-02-05 C.R.F. Societa Consortile Per Azioni Electrically actuated valve having two ways and three positions
DE102013217580A1 (de) 2013-09-04 2015-03-05 Continental Teves Ag & Co. Ohg Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeug-Bremsanlage
DE102014119592A1 (de) * 2014-02-05 2015-08-06 Svm Schultz Verwaltungs-Gmbh & Co. Kg Ventil

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DE102008035899B4 (de) * 2008-07-31 2013-08-08 Rausch & Pausch Gmbh Kolbenschieberventil
DE102013224395A1 (de) * 2013-11-28 2015-05-28 Robert Bosch Gmbh Magnetventil

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422214A1 (de) * 1983-06-16 1984-12-20 Volkswagenwerk Ag, 3180 Wolfsburg Elektromagnetisches steuerventil
EP0595014A1 (fr) 1992-10-29 1994-05-04 Robert Bosch Gmbh Electrovanne
DE102007002432B3 (de) * 2007-01-17 2008-06-19 A. Kayser Automotive Systems Gmbh Abblaseventil für einen Turbolader
US20140008556A1 (en) * 2011-02-25 2014-01-09 öHLINS RACING AB Valve device
US20150034193A1 (en) * 2013-08-01 2015-02-05 C.R.F. Societa Consortile Per Azioni Electrically actuated valve having two ways and three positions
DE102013217580A1 (de) 2013-09-04 2015-03-05 Continental Teves Ag & Co. Ohg Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeug-Bremsanlage
DE102014119592A1 (de) * 2014-02-05 2015-08-06 Svm Schultz Verwaltungs-Gmbh & Co. Kg Ventil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111075983A (zh) * 2019-12-27 2020-04-28 宜宾三江机械有限责任公司 一种双余度电磁开关装置

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