EP4080131B1 - Soupape de réglage, en particulier pour un dispositif d'aération, procédé permettant de faire fonctionner une soupape de réglage, ainsi que dispositif d'aération doté d'une soupape de réglage - Google Patents

Soupape de réglage, en particulier pour un dispositif d'aération, procédé permettant de faire fonctionner une soupape de réglage, ainsi que dispositif d'aération doté d'une soupape de réglage

Info

Publication number
EP4080131B1
EP4080131B1 EP22167621.6A EP22167621A EP4080131B1 EP 4080131 B1 EP4080131 B1 EP 4080131B1 EP 22167621 A EP22167621 A EP 22167621A EP 4080131 B1 EP4080131 B1 EP 4080131B1
Authority
EP
European Patent Office
Prior art keywords
valve
flow channel
control valve
valve element
magnetic connection
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.)
Active
Application number
EP22167621.6A
Other languages
German (de)
English (en)
Other versions
EP4080131A1 (fr
Inventor
Andreas Sattler
Klaus Stricker
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.)
Maico Elektroapparate Fabrik GmbH
Original Assignee
Maico Elektroapparate Fabrik 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 Maico Elektroapparate Fabrik GmbH filed Critical Maico Elektroapparate Fabrik GmbH
Publication of EP4080131A1 publication Critical patent/EP4080131A1/fr
Application granted granted Critical
Publication of EP4080131B1 publication Critical patent/EP4080131B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/003—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by throttling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/148—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F24F2013/205—Mounting a ventilator fan therein

Definitions

  • the invention relates to a control valve, in particular for a ventilation device, comprising a flow channel formed in a valve housing of the control valve, wherein a valve element for adjusting a flow cross-sectional area of the flow channel is arranged in the flow channel.
  • the invention further relates to a method for operating a control valve for a ventilation device and to a ventilation device having a control valve.
  • the state of the art includes, for example, the publication DE 195 28 302 C2
  • This relates to a closure device for a ventilation system, in particular for a fan, with a plurality of slats arranged so as to be pivotable about their longitudinal axes and with an actuating device for pivoting the slats from a closed position to an open position and vice versa.
  • the slats are arranged such that, in the closed position, they form a surface curved relative to the longitudinal axes, preferably convexly curved outwards.
  • the actuating device interlaces the slats with varying degrees of play in their open position, such that, in the open position, they have the same or approximately the same opening angle relative to a common reference plane.
  • DE 101 13 371 A1 Describes a fire protection valve for a pipeline.
  • An inner valve section of this fire protection valve can be displaced axially by means of a servomotor, so that it rests against a valve seat in one position and is spaced from it in another.
  • the inner valve section is connected to the servomotor via a spindle.
  • the object of the invention is to propose a control valve, in particular for a ventilation device, which has advantages over known control valves, in particular enabling a permanently precise adjustment of the flow cross-sectional area of the flow channel. This is achieved according to the invention with a control valve for a ventilation device having the features of claim 1.
  • valve element is axially displaceable with respect to a longitudinal center axis of the flow channel and cooperates with a valve seat in a first axial position for adjusting a first flow cross-sectional area of the flow channel and in a second axial position for adjusting a second flow cross-sectional area of the flow channel, which is different from the first flow cross-sectional area, wherein the valve element is rotatable in the valve housing about an angle relative to the longitudinal center axis parallel axis of rotation is rotatably mounted and connected to the valve housing via a cam gear, so that the valve element is arranged in the first axial position when the valve element is in a first angular position of rotation with respect to the valve housing and in the second axial position when the valve element is in a second angular position of rotation different from the first angular position of rotation.
  • the control valve is preferably a component of the ventilation device, but can also be separate from it.
  • the ventilation device serves in particular to ventilate a room, preferably an interior space of a building. Ventilation can be understood as either aerating or venting. Ventilating refers to the supply of fluid, in particular air, into the room, whereas venting refers to the removal of the fluid from the room.
  • the ventilation device preferably has a fan that is provided and designed to convey a fluid flow through the flow channel.
  • the fan is, for example, electrically driven or drivable and is coupled to an electric motor for this purpose.
  • control valve can also be used in other applications.
  • control valve is generally understood as an adjustable valve by means of which the flow cross-sectional area of the flow channel and thus the fluid flow rate through the control valve can be adjusted.
  • Fluid flow rate is understood as a fluid quantity per unit of time, preferably a fluid mass flow or a fluid volume flow.
  • the control valve comprises, as its essential components, the flow channel formed in the valve housing and the valve element for adjusting the flow cross-section or the flow cross-sectional area of the flow channel.
  • the valve element is movable relative to the valve housing in order to adjust the flow cross-sectional area of the flow channel. Different values for the flow cross-sectional area exist in the different positions of the valve element relative to the valve housing.
  • the valve element is axially displaceable, namely with respect to the Longitudinal center axis of the flow channel.
  • the valve element can be arranged in different axial positions, namely at least the first axial position and the second axial position.
  • the valve element is mounted on the valve housing in such a way that axial displacement is ensured.
  • the valve element is mounted on the valve housing so that it can be displaced in the axial direction.
  • the valve element interacts with the valve seat to adjust the different flow cross-sectional areas.
  • the valve element is positioned at different distances from the valve seat in the different axial positions.
  • the respective flow cross-sectional area of the flow channel is established between the valve element and the valve seat. In the first axial position, the flow cross-sectional area of the flow channel corresponds to the first flow cross-sectional area, and in the second axial position of the valve element, it corresponds to the second flow cross-sectional area.
  • the first flow cross-sectional area is smaller than the second flow cross-sectional area.
  • the first flow cross-sectional area is zero, so that in the first axial position, the valve element interacts with the valve seat to close the flow channel.
  • the valve element preferably rests continuously and uninterruptedly against the valve seat.
  • the second flow cross-sectional area preferably corresponds to a maximum adjustable flow cross-sectional area during normal operation of the control valve.
  • the second flow cross-sectional area is at least larger than the first flow cross-sectional area, so that the flow channel is at least partially fluidically open in the second axial position of the valve element.
  • valve element in the valve housing is not only displaceable in the axial direction with respect to the longitudinal center axis of the flow channel, but is also mounted so as to be rotatable about the axis of rotation.
  • valve element is displaceable in and/or on the valve housing in the axial direction and mounted so as to be rotatable in the circumferential direction.
  • the axis of rotation for rotating the valve element is parallel to the longitudinal center axis. This means that the The axis of rotation either coincides with the longitudinal central axis or is arranged parallel and spaced from it.
  • the valve element is connected to the valve housing via the cam mechanism.
  • the cam mechanism is designed such that, when the valve element rotates relative to the rotational axis, it causes the valve element to be axially displaced relative to the longitudinal center axis of the flow channel. This means that at different rotational angle positions of the valve element relative to the valve housing, the valve element is arranged in different axial positions. At least, the valve element is in the first axial position in the first rotational angle position and in the second axial position in the second rotational angle position. In this case, both the first rotational angle position and the second rotational angle position, as well as the first axial position and the second axial position, are different from one another.
  • a cam mechanism is a mechanism that directly converts the rotary movement of the valve element into the axial displacement of the valve element. Each rotational angle position is correspondingly assigned to an axial position, and vice versa. The axial displacement is achieved by means of the cam mechanism due to the rotary movement.
  • the cam mechanism preferably has at least a first gear device and a second gear device, which cooperate to displace the valve element in the axial direction when the rotary movement occurs.
  • One of the gear devices is present, for example, as a cam carrier, and the other gear device is present as a pickup element.
  • the described control valve design has the advantage that the flow cross-sectional area can be adjusted reliably and with high precision. Furthermore, it is possible to design an actuator for driving the valve element with a circumferentially encapsulated design, so that it is fluidically separated from the flow channel. This ensures good protection of the actuator against external influences, thus achieving a long service life of the control valve.
  • valve element can be driven in the circumferential direction relative to the actuating axis by means of an actuator, wherein the actuator comprises an electric actuator or a preloaded actuating spring.
  • the actuator thus serves to rotate the valve element about the axis of rotation.
  • the actuator is coupled to the valve element.
  • the actuator can, in principle, be designed as desired, provided it is intended and designed to drive the valve element in the circumferential direction of the axis of rotation.
  • the actuator preferably comprises the electric actuator or the preloaded actuating spring, or is present as such.
  • the electric actuator can also be referred to as an electric motor or an electric actuator.
  • the actuator is drive-coupled to the valve element in such a way that, on the one hand, a rotary movement of the actuator is transmitted to the valve element, but, on the other hand, the axial displacement of the valve element relative to the actuator is permitted.
  • the valve element is axially displaceable relative to the actuator, but is drive-coupled to it in the circumferential direction relative to the rotational axis, preferably permanently and/or rigidly.
  • a further development of the invention provides that the actuator is connected to the valve element in a contactless manner via a magnetic connection device, wherein the magnetic connection device comprises a first magnetic connection device connected to the actuator and a first magnetic connection device which interacts magnetically with the first magnetic connection device. and a second magnetic connection device connected to the valve element, so that the first magnetic connection device is only indirectly connected to the valve element via the second magnetic connection device.
  • the drive connection between the actuator and the valve element is established exclusively in a contactless manner, namely exclusively via the magnetic connection device. This means that the drive connection of the valve element to the actuator is, at least in some areas, exclusively magnetic and, at most, partially mechanical.
  • the magnetic connection device has a plurality of magnetic connection devices, namely at least the first magnetic connection device and the second magnetic connection device.
  • the two magnetic connection devices cooperate in terms of drive technology to couple the actuator to the valve element.
  • the first magnetic connection device is assigned to the actuator, and the second magnetic connection device is assigned to the valve element.
  • the first magnetic connection device is preferably rigidly and permanently connected to the actuator, whereas the second magnetic connection device is preferably rigidly and permanently connected to the valve element.
  • the second magnetic connection device is attached to the valve element.
  • the control valve enables particularly effective encapsulation of the actuator to protect it from external environmental influences or from the influence of the fluid. Accordingly, a particularly durable and long-lasting design of the control valve is realized.
  • a further development of the invention provides that the actuator is arranged in an actuator receptacle of a drive housing, in particular a fluid-tight one, which is present in the flow channel, wherein the first magnetic connection device is arranged on the one hand on a drive housing wall delimiting the actuator receptacle and the second magnetic connection device is arranged on the other hand on the drive housing wall, so that a magnetic connection running through the drive housing wall is present between the magnetic connection devices.
  • the drive housing is provided and designed to accommodate the actuator. Accordingly, the drive housing has the actuator receptacle, in which the actuator is arranged or at least can be arranged.
  • the drive housing is located in the flow channel, so that the drive housing is exposed to the fluid in the flow channel.
  • the fluid is at least partially in contact with the drive housing wall of the drive housing, which defines the actuator receptacle.
  • the drive housing wall separates the actuator receptacle from the flow channel.
  • the drive housing wall and the drive housing are designed to be fluid-tight, so that fluid from the flow channel cannot flow into the actuator receptacle, and conversely, fluid present in the actuator receptacle cannot enter the flow channel.
  • the drive housing in particular the drive housing wall, fluidically separates the flow channel and the actuator receptacle. Accordingly, the actuator is arranged in a manner protected from the influence of the fluid.
  • the magnetic connection devices are arranged on opposite sides of the drive housing wall, namely in such a way that the magnetic connection, via which the actuator is coupled to the valve element in terms of drive technology, is located between them. This means that the magnetic connection runs through the drive housing wall.
  • the magnetic connection devices are arranged opposite one another or overlapping one another on opposite sides of the drive housing wall.
  • a straight line perpendicular to the drive housing wall which can also be referred to as a surface normal, preferably runs on the one hand along the drive housing wall through the first magnetic connection device and on the other hand along the drive housing wall through the second magnetic connection device, so that the magnetic connection devices are arranged opposite one another on different sides of the drive housing wall. This achieves particularly effective force transmission or torque transmission between the magnetic connection devices.
  • a further development of the invention provides that the drive housing is arranged in the flow channel via at least one retaining web in such a way that the flow channel completely and in particular continuously surrounds the drive housing in the circumferential direction.
  • the flow channel is delimited by a valve housing wall of the valve housing.
  • the valve housing wall preferably continuously and completely surrounds the flow channel in the circumferential direction with respect to its longitudinal center axis.
  • the drive housing is arranged at least partially in overlap with the valve housing wall.
  • the drive housing is arranged in the flow channel in such a way that it is continuously spaced from the channel wall in the circumferential direction, so that the flow channel completely surrounds the drive housing in the circumferential direction.
  • the drive housing is arranged centrally or centrally in the flow channel so that a distance of the drive housing from the valve housing wall is consistently constant in the circumferential direction.
  • Such an arrangement of the drive housing is achieved by means of at least one retaining web.
  • the retaining web engages on the one hand on the drive housing and on the other hand on the valve housing or the valve housing wall.
  • the drive housing is particularly preferably fastened by means of several retaining webs, each of which engages the valve housing or the valve housing wall on its side facing away from the drive housing in order to hold the drive housing in the flow channel.
  • the several retaining webs are particularly preferably arranged equidistantly in the circumferential direction, i.e. evenly distributed in the circumferential direction. For example, there are at least two retaining webs, at least three retaining webs or at least four retaining webs. This enables reliable and stable fastening of the drive housing in the valve housing.
  • the at least one retaining web carries a receiving element in which the drive housing is arranged, wherein the drive housing is closed with a cover fastened to the receiving element.
  • the receiving element is formed in one piece and of the same material as the at least one retaining web and the valve housing, whereas the drive housing is present as an insert part that can be inserted into the receiving element during assembly of the control valve.
  • the receiving element, the at least one retaining web and the valve housing are present, for example, as an injection-molded part or the like and are manufactured together.
  • the drive housing on the other hand, is manufactured separately from the The valve housing is manufactured and subsequently inserted into the receiving element during assembly of the control valve.
  • the receiving element is preferably in the form of a hollow cylinder, which is attached to the valve housing via the at least one retaining web.
  • the actuator housing is first inserted into the receiving element and then the cover is arranged and fastened to the receiving element.
  • the actuator housing is closed, namely by means of the cover.
  • the cover closes the actuator housing in a fluid-tight manner, so that the cover prevents fluid from the flow channel from penetrating into the actuator housing.
  • the cover is fastened at least to the receiving element. For example, after it has been installed, the cover is supported on the receiving element.
  • the cover can be fastened to the actuator housing. It can also be provided that the cover is only indirectly fastened to the receiving element, namely via the actuator housing.
  • the actuator housing is first fastened to the receiving element and finally the cover is fastened to the actuator housing, namely directly in each case.
  • the cover is positively connected to the receiving element, the drive housing or both the receiving element and the drive housing, for example in each case by means of a snap-in connection.
  • a positive connection or a snap-in connection can exist between the cover and the receiving element or between the cover and the drive housing.
  • the cover is fastened to the receiving element via a first positive connection or snap-in connection and to the drive housing via a second positive connection or snap-in connection, preferably directly in each case. This achieves reliable fastening of the cover and the drive housing to the receiving element.
  • the cover preferably has a cover wall, which can be regarded as part of the drive housing wall.
  • a further development of the invention provides that the at least one retaining web and the cover jointly define a cable duct, which opens into the drive housing on the one hand and into a cable receptacle formed in the valve housing away from the flow channel on the other.
  • the cable duct is located between the retaining web and the cover and is guided by these Viewed in section, they are completely enclosed together. The cable duct is thus protected by the retaining bar and the cover from the influence of the fluid from the flow channel.
  • the cable duct connects the actuator housing to the cable receptacle formed in the valve housing.
  • at least one electrical line is arranged in the cable duct, via which the actuator is electrically connected to a power connection of the control valve.
  • the power connection is provided, for example, as a plug-in connection or a clamp connection on the valve housing and enables an electrical connection of the control valve or actuator to a power source located away from the control valve. This design of the control valve ensures a reliable electrical connection of the actuator.
  • the cam mechanism comprises a first gear device connected to the valve housing and a second gear device that interacts positively with the first gear device to form the cam mechanism and is formed on the valve element.
  • the cam mechanism consists of the first gear device and the second gear device, which interact to convert the rotary movement of the valve element into an axial displacement of the valve element. This interaction takes place in a positive manner.
  • one of the gear devices is designed as a guide projection or pick-off element
  • the other gear device is designed as a guide recess or cam carrier, wherein the guide projection engages in the guide recess.
  • the guide recess is angled, at least in some regions, with respect to a longitudinal center axis of the valve element, which preferably coincides with the longitudinal center axis of the flow channel, or a straight line parallel to it.
  • the guide recess encloses an angle with the longitudinal center axis or the straight line parallel to it that is greater than 0° and less than 90°.
  • the angle is at least 15° and at most 75°, at least 30° and at most 60°, or approximately or exactly 45°.
  • first gear device is a guide projection
  • second gear device is a guide recess, in particular a helical one, that positively receives the guide projection.
  • the first gear device connected to the valve housing is thus the guide projection
  • the second gear device designed as a guide recess, is assigned to the valve element.
  • the guide recess is preferably formed directly in the valve element.
  • the guide recess runs at an angle to the longitudinal center axis of the valve element or the straight line parallel to it, so that the interaction of the first gear device with the second gear device converts a rotational movement of the valve element relative to the valve housing into an axial displacement of the valve element relative to the valve housing.
  • the extent of the guide recess in the circumferential direction is, for example, at least 15° and at most 90°, preferably at least 30° and at most 45°.
  • the guide recess extends in the circumferential direction over at most 90°, at most 60°, or at most 45°.
  • the guide recess runs helically at least in sections, in particular helically throughout. Such a design of the cam mechanism enables reliable displacement of the valve element in the axial direction.
  • first magnetic connection device and the second magnetic connection device each have a plurality of magnetically interacting magnetic connection elements.
  • the magnetic connection elements of one of the magnetic connection devices are designed as permanent magnets, whereas the magnetic connection elements of the second magnetic connection device are made of a magnetizable material.
  • the magnetic connection elements of both magnetic connection devices are particularly preferably designed as permanent magnets in order to achieve a reliable magnetic connection between the magnetic connection devices.
  • the first magnetic connection device is rotatably mounted on the cover.
  • the first connection device and the cover are connected to one another via a pivot bearing, in particular a plain bearing.
  • the cover has a bearing pin on which the first magnetic connection device is rotatably seated.
  • the first magnetic connection device is held on the bearing pin via a latching connection.
  • the bearing pin has, for example, at least one latching element which engages the first magnetic connection device in a form-fitting manner for latching. It is preferably provided that the first magnetic connection device is rotatably mounted on the cover during assembly of the control valve, in particular is applied to the bearing pin, until the latching connection between the first magnetic connection device and the bearing pin is present.
  • the magnetic connecting elements of the first magnetic connecting device are arranged on the support ring.
  • the first magnetic connecting device in particular the support ring, preferably has receiving pockets for the magnetic connecting elements.
  • the receiving pockets are open radially outward.
  • the magnetic connecting elements are preferably pressed and/or glued into the receiving pockets.
  • the receiving pockets are arranged and aligned such that the cover holds the magnetic connecting elements in the receiving pockets after the first magnetic connecting device is mounted on the cover, in particular after it is mounted rotatably thereon.
  • the invention also relates to a ventilation device with a control valve, in particular a control valve according to one or more of the preceding claims, wherein the control valve has a flow channel formed in a valve housing of the control valve, in which a valve element for adjusting a flow cross-sectional area of the flow channel is arranged.
  • valve element is axially displaceable with respect to a longitudinal central axis of the flow channel and cooperates with a valve seat in a first axial position for setting a first flow cross-sectional area of the flow channel and in a second axial position for setting a second flow cross-sectional area of the flow channel that is different from the first flow cross-sectional area
  • valve element is rotatably mounted in the valve housing about an axis of rotation parallel to the longitudinal central axis and is connected to the valve housing via a cam mechanism, so that the valve element is arranged in the first axial position when the valve element is in a first rotational angle position with respect to the valve housing and in the second axial position when the valve element is in a second rotational angle position that is different from the first rotational angle position.
  • a further development of the invention provides a fan designed and configured to convey a fluid flow through the flow channel.
  • the ventilation device thus has the fan in addition to the control valve.
  • the fan is particularly preferably electrically driven, namely by means of an electric fan drive.
  • the fan drive is particularly preferably arranged in the drive housing, namely together with the actuator, which serves to adjust the flow cross-sectional area of the flow channel.
  • the fan is preferably arranged on the side of the drive housing opposite the valve element in the axial direction.
  • the fan preferably has an impeller and a guide vane.
  • the impeller is arranged axially with respect to the longitudinal center axis of the flow channel between the guide vane and the drive housing.
  • the impeller preferably has a plurality of impeller blades, which are arranged radially on the outside of a cup-shaped base body of the impeller.
  • the base body is arranged such that it surrounds the drive housing and/or the receiving element at least partially in the radial direction, in particular continuously and uninterruptedly in the circumferential direction.
  • the base body bears against the gear housing and/or the receiving element, so that the impeller is rotatably mounted or a plain bearing is formed for the impeller.
  • the valve housing 5 has a wall attachment 6, which is mounted on a wall delimiting the interior space.
  • a valve housing wall 7 extends from the wall attachment 6, which in the exemplary embodiment shown here is partially hollow cylindrical, in particular hollow circular cylindrical, preferably on its side facing the fan 3.
  • the flow channel 4 widens, with the valve housing wall 7 being funnel-shaped, for example.
  • the wall attachment 6 is provided, for example, with a cover 8, which is arranged at a distance from the wall attachment 6, so that an outflow channel or inflow channel is present between the cover 8 and the wall attachment 6, via which the flow channel 4 is in flow connection with the interior space.
  • fluid flowing through the flow channel 4 is deflected towards the cover 8 or towards the interior space. While it flows through the flow channel 4 essentially in the axial direction with respect to a longitudinal center axis of the flow channel 4, it is deflected by the cover 8 so that it flows outwards in a radial direction with respect to the longitudinal center axis and reaches the interior space. Conversely, if the fluid is conveyed out of the interior space, it initially flows in a radial direction into the Ventilation device 1 and is subsequently redirected so that it flows through the flow channel 4 again in the axial direction.
  • the displacement of the valve element 9 in the axial direction is effected by a rotational movement of the valve element 9 relative to the valve housing 5, i.e., by a rotational movement of the valve element 9 in the circumferential direction relative to the longitudinal center axis of the flow channel 4.
  • the valve element 9 is connected to the valve housing 5 via a cam gear 10 (not shown here).
  • the cam gear 10 converts the rotational movement of the valve element 9 into the axial displacement.
  • a cover 17 is arranged on the receiving element 15, which closes the drive housing 13, preferably in a fluid-tight manner.
  • the cover 17 has at least one arm 18, preferably as many arms 18 as there are retaining webs 14.
  • the arms 18 are arranged on the cover 17 in such a way that, after the cover 17 has been arranged on the receiving element 15, they overlap the retaining webs 14. In this way, the at least one retaining web 14 and the cover 17 or its respective arm 18 together form a cable duct 19.
  • the cable duct 19 connects the drive housing 13 to a cable receptacle 20 which is formed in the valve housing 5.
  • the Figure 2 shows a schematic representation of the actuator 11 arranged in the drive housing 13.
  • the actuator motor 12 of the actuator 11 is preferably a servomotor, in particular a model-making servomotor. This has, for example, a nominal torque of at most 100 Ncm, at most 75 Ncm, at most 50 Ncm, or at most 25 Ncm. However, the nominal torque of the actuator 11 or the servomotor is particularly preferably lower, in particular it is at most 15 Ncm, at most 10 Ncm, or at most 5 Ncm.
  • At least one recess 35 is formed in the drive housing wall 24. Preferably, there are several recesses 35. The recesses 35 are arranged during assembly of the ventilation device 1 such that they overlap with the cable ducts 19. Accordingly, the recesses 35 serve to guide at least one cable present in the cable duct 19 into the drive housing 13, for example up to the drive motor 16.
  • the Figure 3 shows a further schematic representation of the actuator 11 in the drive housing 13.
  • Control electronics 36 which serve to control and/or supply power to the actuator motor 12, are also arranged in the drive housing 13.
  • the drive motor 16 for driving the fan 3 is also present in the drive housing 13.
  • the actuator motor 12 and the drive motor 16 are arranged such that their shafts extend in opposite directions.
  • Another arrangement of the actuator motor 12 and the drive motor 16 is also possible in principle, for example, an arrangement in which the shafts of the actuator motor 12 and the drive motor 16, or the axes of rotation of the shafts, are angled 90° relative to one another.
  • the Figure 5 shows a schematic representation of the valve element 9.
  • the magnetic connecting elements 30 of the second magnetic connecting device 23 can be seen, which are arranged in receiving pockets of the valve element 9.
  • the rotational movement of the valve element 9 is converted into its displacement in the axial direction by means of the cam gear 10.
  • This has a first gear device 39 and a second gear device 40.
  • the first gear device 39 is a guide projection
  • the second gear device 40 is a guide recess that positively accommodates the guide projection.
  • the guide projection is formed by the already known retaining web 14, via which the receiving element 15 is fastened to the valve housing 5.
  • the arm 18 can also form a component of the first gear device 39.
  • the second gear device 40 i.e., the guide recess, is formed in the valve element 9.
  • the guide recess runs at an angle with respect to the longitudinal center axis of the flow channel 4 or a rotational axis of the valve element 9. This means that it is at an angle to this axis or to a straight line parallel to this axis that is greater than 0° and less than 180°, in particular greater than 0° and less than 90°.
  • the cam mechanism 10 ensures reliable conversion of the rotational movement of the valve element 9, brought about by the actuator 11, into its axial movement, so that the valve element 9 can be displaced between different axial positions in which different flow cross-sectional areas of the flow channel 4 are set.
  • the described design of the ventilation device 1 has the advantage that the actuator 11 is easily encapsulated against external influences. Furthermore, the use of the magnetic connection device 21 offers the advantage that jamming of the valve element 9 does not lead to damage to the actuator 11, since the magnetic connection device 21 functions as a type of overload clutch.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Claims (15)

  1. Soupape de réglage (2), en particulier pour une installation d'aération (1), avec un canal d'écoulement (4) constitué dans un carter de soupape (5) de la soupape de réglage (2), dans laquelle un élément de soupape (9) est disposé dans le canal d'écoulement (4) pour le réglage d'une surface de section transversale d'écoulement traversant du canal d'écoulement (4), caractérisée en ce que l'élément de soupape (9) est déplaçable axialement par rapport à un axe médian longitudinal du canal d'écoulement (4) et coopère avec un siège de soupape dans une première position axiale pour le réglage d'une première surface de section transversale d'écoulement traversant du canal d'écoulement (4) et dans une deuxième position axiale pour le réglage d'une deuxième surface de section transversale d'écoulement traversant du canal d'écoulement (4) différente de la première surface de section transversale d'écoulement traversant, dans laquelle l'élément de soupape (9) est monté rotatif dans le carter de soupape (5) autour d'un axe de rotation parallèle à l'axe médian longitudinal et relié au carter de soupape (5) par le biais d'un entraînement à cames (10) de sorte que l'élément de soupape (9) soit disposé dans la première position axiale dans le cas d'une première position angulaire de rotation de l'élément de soupape (9) par rapport au carter de soupape (5), et dans la deuxième position axiale dans le cas d'une deuxième position angulaire de rotation de l'élément de soupape (9) différente de la première position angulaire de rotation.
  2. Soupape de réglage selon la revendication 1, caractérisée en ce que l'élément de soupape (9) peut être entraîné dans la direction circonférentielle par rapport à l'axe de rotation au moyen d'un entraînement de réglage (11), dans laquelle l'entraînement de réglage (11) comprend un moteur de réglage électrique (12) ou un ressort de réglage précontraint.
  3. Soupape de réglage selon la revendication 2, caractérisée en ce que l'entraînement de réglage (11) est connecté sans contact par le biais d'un dispositif de liaison magnétique (21) par entraînement à l'élément de soupape (9), dans laquelle le dispositif de liaison magnétique (21) comprend un premier organe de liaison magnétique (22) relié à l'entraînement de réglage (11) et un deuxième organe de liaison magnétique (23) coopérant magnétiquement avec le premier organe de liaison magnétique (22) et relié à l'élément de soupape (9) de sorte que le premier organe de liaison magnétique (22) soit lié par entraînement à l'élément de soupape (9) uniquement de manière indirecte par le biais du deuxième organe de liaison magnétique (23).
  4. Soupape de réglage selon la revendication 3, caractérisée en ce que l'entraînement de réglage (11) est disposé dans un logement d'entraînement de réglage d'un carter d'entraînement (13) présent dans le canal d'écoulement (4), dans laquelle le premier organe de liaison magnétique (22) est disposé d'un côté d'une paroi de carter d'entraînement (24) délimitant le logement d'entraînement de réglage et le deuxième organe de liaison magnétique (23) est disposé de l'autre côté de la paroi de carter d'entraînement (24) de sorte qu'une liaison magnétique s'étendant à travers la paroi de carter d'entraînement (24) existe entre les organes de liaison magnétique (22, 23).
  5. Soupape de réglage selon la revendication 4, caractérisée en ce que le carter d'entraînement (13) est disposé dans le canal d'écoulement (4) par le biais d'au moins un élément jointif de maintien (14) de telle sorte que le canal d'écoulement (4) entoure complètement le carter d'entraînement (13) dans la direction circonférentielle.
  6. Soupape de réglage selon la revendication 5, caractérisée en ce que l'au moins un élément jointif de maintien (14) porte un élément de logement (15), dans lequel est disposé le carter d'entraînement (13), dans laquelle le carter d'entraînement (13) est fermé par un couvercle (17) fixé à l'élément de logement (15).
  7. Soupape de réglage selon la revendication 6, caractérisée en ce que l'au moins un élément jointif de maintien (14) et le couvercle (17) délimitent conjointement un canal de câble (19), lequel débouche d'un côté dans le carter d'entraînement (13) et de l'autre côté dans un logement de câble (20) constitué dans le carter de soupape (5) à l'écart du canal d'écoulement (4).
  8. Soupape de réglage selon l'une des revendications précédentes, caractérisée en ce que l'entraînement à cames (10) comprend un premier organe d'entraînement (39) lié au carter de soupape (5) et un deuxième organe d'entraînement (40) coopérant pour la constitution de l'entraînement à cames (10) par complémentarité de forme avec le premier organe d'entraînement (39) et constitué au niveau de l'élément de soupape (9).
  9. Soupape de réglage selon la revendication 8, caractérisée en ce que le premier organe d'entraînement (39) est une saillie de guidage et le deuxième organe d'entraînement (40) est un évidement de guidage recevant la saillie de guidage par complémentarité de forme.
  10. Soupape de réglage selon au moins la revendication 5, caractérisée en ce que l'au moins un élément jointif de maintien (14) forme la saillie de guidage.
  11. Soupape de réglage selon au moins la revendication 3, caractérisée en ce que le premier organe de liaison magnétique (22) et le deuxième organe de liaison magnétique (23) comprennent respectivement plusieurs éléments de liaison magnétique (29, 30) coopérant magnétiquement les uns avec les autres.
  12. Soupape de réglage selon au moins la revendication 6, caractérisée en ce que le premier organe de liaison magnétique (22) est monté rotatif sur le couvercle (17).
  13. Procédé permettant de faire fonctionner une soupape de réglage (2), en particulier une soupape de réglage (2) selon une ou plusieurs des revendications précédentes, dans lequel la soupape de réglage (2) dispose d'un canal d'écoulement (4) constitué dans un carter de soupape (5) de la soupape de réglage (2), dans lequel canal est disposé un élément de soupape (9) pour le réglage d'une surface de section transversale d'écoulement traversant du canal d'écoulement (4), caractérisé en ce que l'élément de soupape (9) est déplaçable axialement par rapport à un axe médian longitudinal du canal d'écoulement (4) et coopère avec un siège de soupape dans une première position axiale pour le réglage d'une première surface de section transversale d'écoulement traversant du canal d'écoulement (4) et dans une deuxième position axiale pour le réglage d'une deuxième surface de section transversale d'écoulement traversant du canal d'écoulement (4) différente de la première surface de section transversale d'écoulement traversant, dans lequel l'élément de soupape (9) est mis en rotation dans le carter de soupape (5) au moins par moments autour d'un axe de rotation parallèle à l'axe médian longitudinal et relié au carter de soupape (5) par le biais d'un entraînement à cames (10) de sorte que l'élément de soupape (9) soit disposé dans la première position axiale dans le cas d'une première position angulaire de rotation de l'élément de soupape (9) par rapport au carter de soupape (5), et dans la deuxième position axiale dans le cas d'une deuxième position angulaire de rotation de l'élément de soupape (9) différente de la première position angulaire de rotation.
  14. Installation d'aération (1) avec une soupape de réglage (2) selon une ou plusieurs des revendications 1 à 12.
  15. Installation d'aération selon la revendication 14, caractérisée par un ventilateur (3) qui est prévu et conçu pour le transport d'un courant de fluide à travers le canal d'écoulement (4).
EP22167621.6A 2021-04-22 2022-04-11 Soupape de réglage, en particulier pour un dispositif d'aération, procédé permettant de faire fonctionner une soupape de réglage, ainsi que dispositif d'aération doté d'une soupape de réglage Active EP4080131B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021204015.2A DE102021204015A1 (de) 2021-04-22 2021-04-22 Stellventil, insbesondere für eine Lüftungseinrichtung, Verfahren zum Betreiben eines Stellventils sowie Lüftungseinrichtung mit einem Stellventil

Publications (2)

Publication Number Publication Date
EP4080131A1 EP4080131A1 (fr) 2022-10-26
EP4080131B1 true EP4080131B1 (fr) 2025-08-13

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EP22167621.6A Active EP4080131B1 (fr) 2021-04-22 2022-04-11 Soupape de réglage, en particulier pour un dispositif d'aération, procédé permettant de faire fonctionner une soupape de réglage, ainsi que dispositif d'aération doté d'une soupape de réglage

Country Status (4)

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EP (1) EP4080131B1 (fr)
DE (1) DE102021204015A1 (fr)
ES (1) ES3049541T3 (fr)
PL (1) PL4080131T3 (fr)

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Publication number Priority date Publication date Assignee Title
DE102021213286A1 (de) * 2021-11-25 2023-05-25 Maico Elektroapparate-Fabrik Gesellschaft mit beschränkter Haftung Stellventil, insbesondere für eine Lüftungseinrichtung, Verfahren zum Betreiben eines Stellventils sowie Lüftungseinrichtung mit einem Stellventil
EP4491966A1 (fr) * 2023-07-11 2025-01-15 Viessmann Climate Solutions SE Dispositif de réglage d'un débit volumique d'air

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1061921B (it) * 1976-06-23 1983-04-30 Lolli & C Spa Perfezionamento nei diffusori per impianti di condizionamento d aria
DE19528302C2 (de) 1995-08-02 2000-08-24 Maico Elektroapparate Verschlußvorrichtung für eine lufttechnische Einrichtung
DE10113371A1 (de) * 2001-03-20 2002-10-02 Guenter Schulte Brandschutzventil für eine Rohrleitung
KR100940184B1 (ko) * 2009-01-20 2010-02-04 주식회사 옴니벤트 전동 디퓨저
DE102009032207B4 (de) * 2009-07-03 2016-11-17 Maico Elektroapparate-Fabrik Gmbh Ventilator

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EP4080131A1 (fr) 2022-10-26
DE102021204015A1 (de) 2022-10-27
PL4080131T3 (pl) 2026-01-19
ES3049541T3 (en) 2025-12-17

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