EP3117156A1 - Silencieux pour système de ventilation et son procédé de réglage - Google Patents

Silencieux pour système de ventilation et son procédé de réglage

Info

Publication number
EP3117156A1
EP3117156A1 EP15715815.5A EP15715815A EP3117156A1 EP 3117156 A1 EP3117156 A1 EP 3117156A1 EP 15715815 A EP15715815 A EP 15715815A EP 3117156 A1 EP3117156 A1 EP 3117156A1
Authority
EP
European Patent Office
Prior art keywords
segment
silencer
segments
muffler
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15715815.5A
Other languages
German (de)
English (en)
Other versions
EP3117156B1 (fr
Inventor
Alois BACHMANN
David BERTHOLD
Johannes Bollmann
Cyrill LÜCHINGER
Andreas Zweifel
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.)
Zehnder Group International AG
Original Assignee
Zehnder Group International AG
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 Zehnder Group International AG filed Critical Zehnder Group International AG
Publication of EP3117156A1 publication Critical patent/EP3117156A1/fr
Application granted granted Critical
Publication of EP3117156B1 publication Critical patent/EP3117156B1/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
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F13/0263—Insulation for air ducts
    • 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
    • F24F13/16—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of parallelly-movable plates

Definitions

  • the invention relates to silencers for a ventilation system for damping of sound, which propagates along an air-flow ventilation duct in the interior, wherein the silencer in the intended for the air duct
  • a disadvantage of this prior art is that for the control or regulation of the volume flow and / or mass flow of the ventilation duct and the
  • the invention has for its object to further develop a muffler of the type described above such that the mentioned disadvantages of the prior art are overcome.
  • a silencer of the type described above in which the two segments are mounted relative to each other movable to at least portions of the Surfaces of the segments to each other to move or away from each other.
  • the two segments also take over the function of the above-mentioned control flap unit, which reduces the space requirements and costs and disturbing noises (rattling, whistling) outside of the
  • the muffler channel has in a longitudinal sectional plane
  • the muffler channel preferably has at least one bend or
  • the angled or curved course of the muffler channel has a first bend or a first bend portion, which represents a first change in direction of the channel, and a second bend or a second bend portion, which one for the first change of direction represents opposite second change of direction of the channel.
  • a zigzag channel or sinusoidal channel allows an overall rectilinear course of the silencer channel and thus a total elongated shape of the silencer, which can be integrated in a compact slender manner in a ventilation duct.
  • the first segment and the second segment have an identical shape.
  • only one mold is needed for the production of the segments, which also saves costs.
  • one segment is mounted fixedly in the muffler and the other segment is mounted movably relative to the one segment. As a result, only one of the segments for adjusting the flow resistance of the muffler channel has to be moved.
  • the muffler channel has in its cross-sectional planes
  • one of the segments or both segments are movably mounted within the longitudinal sectional plane (drawing plane in the figures).
  • Silencer channel evenly affects. This applies in particular to a silencer channel with a rectangular cross-section. This will do that
  • one of the segments or both segments within the longitudinal sectional plane are pivotally mounted or displaceable.
  • For the pivotable storage is an orthogonal to the
  • a sliding axis extending parallel to the longitudinal sectional plane is provided for the displaceable mounting, in which the displaceable segment is mounted in a straight-line sliding manner on a frame of the muffler or on the other segment.
  • the silencer has an actuator which can generate the relative movement of the two segments relative to each other by changing the position of the first segment and / or of the second segment.
  • the actuator may be a linear actuator or spindle drive, preferably with servomotor function.
  • the actuator includes a cam member having a curved cam surface whose curvature is designed to compensate for a curvature of the valve characteristic of the inventive silencer.
  • the valve characteristic of the silencer is defined analogously to classic valves by the function air flow (volume flow or
  • the silencer in particular that equipped with an actuator, has a measuring element which is arranged at the inlet or outlet of the silencer and can determine the volumetric flow and / or mass flow of the air flowing through the silencer and the ventilation duct.
  • the measuring element may e.g. a measuring cross, a metering or Venturi arrangement. It may be located upstream and / or downstream of the muffler in the ventilation duct.
  • a regulator or is connected to a controller which can act on the actuator due to the determined by the measuring element volume flow and / or mass flow of the air to change the position of the first segment and / or the second segment.
  • a method for controlling the inventive silencer which comprises the following steps:
  • FIG. 1A shows a first embodiment of the inventive silencer in a sectional view according to a longitudinal sectional plane of the muffler, wherein the muffler is in a first operating position.
  • FIG. 1B the first embodiment of the inventive muffler of Fig. 1 A in the same sectional view, wherein the muffler in a second
  • FIG. 2A shows a second embodiment of the inventive muffler in a sectional view according to a longitudinal sectional plane of the muffler, wherein the muffler is in a first operating position.
  • FIG. 2B shows the second embodiment of the inventive muffler of Figure 2A in the same sectional view, wherein the muffler is in a second operating position.
  • FIG. 3A shows a third embodiment of the inventive muffler in a sectional view according to a longitudinal sectional plane of the muffler, wherein the muffler is in a first operating position.
  • Fig. 3B the third embodiment of the inventive muffler of Fig. 3A in the same sectional view, wherein the muffler in a second
  • FIG. 4A shows a fourth exemplary embodiment of the silencer according to the invention in a sectional view according to a longitudinal sectional plane of the silencer, wherein the silencer is in a first operating position;
  • FIG. 5 is a schematic representation of the arrangement of a silencer according to the invention according to the first embodiment in a ventilation duct;
  • Fig. 6 is a schematic representation of the arrangement of an inventive silencer according to the third embodiment in a ventilation duct.
  • Fig. 1 A is a first embodiment of the inventive
  • Silencer 1 shown in a sectional view according to a longitudinal sectional plane of the muffler.
  • the muffler 1 includes two muffler segments 2, 3, which are arranged spaced apart, so that between the facing surfaces 2a, 3a of the two segments 2, 3 a
  • Silencer channel 4 is formed, which extends from the inlet 5 to the outlet 6 of the muffler 1.
  • the first segment 2 is fixedly arranged on a frame (not shown) or in a housing (not shown), while the second segment 3 is rotatably supported by means of a pivot axis pivot 10 with respect to the frame or housing and thus with respect to the first segment 2 ,
  • the two segments 2, 3 are pivotable relative to each other, so that the surfaces 2a, 3a of the segments 2, 3 can be moved toward or away from each other.
  • the muffler 1 is shown in Fig. 3A in its first operating position. This first operating position has, as in Fig. 3A
  • a silencer channel 4 whose cross section along the longitudinal axis L of the muffler 1 is constant.
  • the channel cross-section is rectangular.
  • the muffler 1 has a first pneumatic resistance for air flowing along the muffler channel 4.
  • the muffler channel 4 has in a longitudinal sectional plane (drawing plane in Fig. 3A), which includes a longitudinal axis L extending from the inlet 5 to the outlet 6, a sufficiently angled course, that between the inlet 5 and the outlet 6 no straight line of sight along the Channel 4 consists.
  • the angled course of the muffler channel 4 has a first bend W1, which represents a first change in direction of the channel 4, and a second bend W2, which represents a direction opposite to the first change in direction second change in direction of the channel 4.
  • the first angle W1 corresponds to a first extreme value E1 in the form of a low point of the profile curve of the segment 2
  • the second angle W2 corresponds to a second extreme value E2 in the form of a high point of the profile curve of the segment 2.
  • the first angle W1 corresponds to a second extreme value E2 '.
  • the first segment 2 and the second segment 3 have an identical shape and are arranged point symmetrical to one another.
  • Silencer 1 of Fig. 1A shown in a second operating position.
  • the second segment 3 is pivoted about the pivot axis determined by the pivot bearing 10 to the first segment 2, so that the surfaces 2a, 3a of the segments 2, 3 are approximated to each other.
  • the degree of mutual approach of the surfaces 2a and 3a increases from the inlet 5 to the outlet 6 towards.
  • This second or channel-narrowing operating position has, as shown by way of example in FIG. 1B, a silencer channel 4 whose cross-sectional area along the longitudinal axis L of the silencer 1 becomes increasingly smaller from the inlet 5 to the outlet 6.
  • the channel cross section is still rectangular.
  • the muffler 1 has a second pneumatic resistance for air flowing along the muffler channel 4, which is greater than the first pneumatic resistance.
  • the second segment 3 can also be pivoted away from the first segment 2 by the pivot axis determined by the pivot bearing 10 (not shown), so that the surfaces 2a, 3a of the segments 2, 3 are further away from each other as in the first operating position of Fig. 1.
  • the Extent of mutual movement of the surfaces 2a and 3a increases from the inlet 5 to the outlet 6 towards.
  • This second or channel-widening operating position (not shown) has a silencer channel 4, whose cross-sectional area along the longitudinal axis L of the silencer 1 from the inlet 5 to the outlet 6 out
  • Muffler 1 a second pneumatic resistance for along the
  • Fig. 2A is a second embodiment of the inventive
  • Silencer 1 shown in a sectional view according to a longitudinal sectional plane of the muffler.
  • the muffler 1 of the second embodiment differs from the muffler 1 of the first embodiment in that the two segments 2 and 3 are not pivotable relative to each other, but displaceable.
  • the silencer 1 also contains two silencer segments 2, 3, which are arranged spaced apart, so that between the mutually facing surfaces 2a, 3a of the two segments 2, 3, a silencer channel 4 is formed, which extends from the inlet 5 to the outlet 6 of the muffler 1 extends.
  • the first segment 2 is fixedly arranged on a frame (not shown) or in a housing (not shown), while the second segment 3 by means of a first displacement axis slide bearing 11 and a second
  • Displacement axis slide bearing 12 is mounted relative to the frame or the housing and thus with respect to the first segment 2 slidably.
  • Segments 2, 3 are displaceable relative to each other so that the surfaces 2a, 3a of the segments 2, 3 can be moved toward or away from each other.
  • the muffler 1 is shown in Fig. 2A in its first operating position.
  • This first operating position has, as shown by way of example in FIG. 2A, a muffler channel 4 whose cross-section along the longitudinal axis L of the muffler 1 is constant.
  • the channel cross-section is rectangular.
  • the muffler 1 has a first pneumatic resistance for air flowing along the muffler channel 4.
  • Silencer 1 of Fig. 2A shown in a second operating position.
  • the second Segment 3 is parallel to the first segment 2 along the sliding axis determined by the two displacement-axis plain bearing 11 and 12
  • the surfaces 2a, 3a of the segments 2, 3 are approximated or further apart.
  • the surfaces 2a, 3a of the segments 2, 3 are further away from each other, whereby a local channel widening is achieved.
  • the surfaces 2a, 3a of the segments 2, 3 approximate each other, whereby a local channel constriction is achieved.
  • the surfaces 2a, 3a of the segments 2, 3 are also further away from each other, which in turn achieves a local channel widening.
  • the second segment 3 can also be displaced to the right along the displacement axis determined by the two displacement bearings 11, 12 with respect to the first segment 2 parallel to the longitudinal axis L (not shown), so that the surfaces 2a, 3a of FIG Segments 2, 3 in different sections along the longitudinal axis L are approximated or further away from each other.
  • the situation is reversed with respect to the situation shown in FIG. 2B.
  • the surfaces 2a, 3a of the segments 2, 3 are now approximated, whereby a local channel constriction is achieved.
  • the valve characteristic of the muffler 1 is defined by the function air flow (volume flow or mass flow) as a function of muffler opening degree.
  • the muffler opening degree is in turn determined by the extent of the left shift or right shift of the second segment 3.
  • Fig. 3A is a third embodiment of the inventive
  • Silencer 1 shown in a sectional view according to a longitudinal sectional plane of the muffler.
  • the muffler 1 includes two muffler segments 2, 3, which are arranged spaced apart, so that between the facing surfaces 2a, 3a of the two segments 2, 3 a
  • Silencer channel 4 is formed, which extends from the inlet 5 to the outlet 6 of the muffler 1.
  • the first segment 2 is fixedly arranged on a frame (not shown) or in a housing (not shown), while the second segment 3 is rotatably supported by means of a pivot axis pivot 10 with respect to the frame or housing and thus with respect to the first segment 2 ,
  • the two segments 2, 3 are pivotable relative to each other, so that the surfaces 2a, 3a of the segments 2, 3 can be moved toward or away from each other.
  • the muffler 1 is shown in Fig. 3A in its first operating position. This first operating position has, as in Fig. 3A
  • a silencer channel 4 whose cross section along the longitudinal axis L of the muffler 1 is constant.
  • the channel cross-section is rectangular.
  • the muffler 1 has a first pneumatic resistance for air flowing along the muffler channel 4.
  • the muffler channel 4 has a sufficiently curved course in a longitudinal sectional plane (drawing plane in FIG. 3A), which includes a longitudinal axis L extending from the inlet 5 to the outlet 6, that there is no straight line of sight between the inlet 5 and the outlet 6 Channel 4 consists.
  • a first curvature region K1 which represents a first change in direction of the channel 4
  • a second curvature region K2 which represents a second direction change of the channel 4 opposite to the first direction change.
  • E1 In the middle of the first curvature region K1 is a first extreme value E1 in the form of a low point of the profile curve of the segment 2, and in the middle of the second
  • Curvature region K2 is a second extreme value E2 in the form of a high point of the profile curve of the segment 2.
  • the first segment 2 and the second segment 3 have an identical shape and are arranged point-symmetrical to each other.
  • Silencer 1 of Fig. 3A shown in a second operating position.
  • the second segment 3 is pivoted about the pivot axis determined by the pivot bearing 10 to the first segment 2, so that the surfaces 2a, 3a of the segments 2, 3 are approximated to each other.
  • the degree of mutual approach of the surfaces 2a and 3a increases from the inlet 5 to the outlet 6 towards.
  • This second or channel-narrowing operating position has, as shown by way of example in FIG. 3B, a silencer channel 4 whose cross-sectional area along the longitudinal axis L of the silencer 1 becomes progressively smaller from the inlet 5 to the outlet 6.
  • the channel cross section is still rectangular.
  • the muffler 1 has a second pneumatic resistance for air flowing along the muffler channel 4, which is greater than the first pneumatic resistance.
  • the second segment 3 can also be pivoted away from the first segment 2 by the pivot axis determined by the pivot bearing 10 (not shown), so that the surfaces 2a, 3a of the segments 2, 3 are further away from each other than in the first operating position of Fig. 1. The extent of the mutual displacement of the surfaces 2a and 3a then increases from the inlet 5 to the outlet 6 towards.
  • Operating position (not shown) has a silencer channel 4, whose Cross-sectional area along the longitudinal axis L of the muffler 1 from the inlet 5 to the outlet 6 is increasingly larger.
  • the channel cross section is also rectangular here.
  • the muffler 1 has a second pneumatic resistance for air flowing along the muffler channel 4, which is smaller than the first pneumatic resistance.
  • Fig. 4A is a fourth embodiment of the inventive
  • Silencer 1 shown in a sectional view according to a longitudinal sectional plane of the muffler.
  • the muffler 1 of the fourth embodiment differs from the muffler 1 of the third embodiment in that the two segments 2 and 3 are not pivotable relative to each other, but displaceable.
  • the silencer 1 also contains two silencer segments 2, 3, which are arranged spaced apart, so that between the mutually facing surfaces 2a, 3a of the two segments 2, 3, a silencer channel 4 is formed, which extends from the inlet 5 to the outlet 6 of the muffler 1 extends.
  • the first segment 2 is fixedly arranged on a frame (not shown) or in a housing (not shown), while the second segment 3 by means of a first displacement axis slide bearing 11 and a second
  • Displacement axis slide bearing 12 is mounted relative to the frame or the housing and thus with respect to the first segment 2 slidably.
  • Segments 2, 3 are displaceable relative to each other so that the surfaces 2a, 3a of the segments 2, 3 can be moved toward or away from each other.
  • the muffler 1 is shown in Fig. 4A in its first operating position.
  • This first operating position has, as shown by way of example in FIG. 4A, a muffler channel 4 whose cross-section along the longitudinal axis L of the muffler 1 is constant.
  • the channel cross-section is rectangular.
  • the muffler 1 has a first pneumatic resistance for air flowing along the muffler channel 4.
  • Silencer 1 of Fig. 4A shown in a second operating position.
  • the second segment 3 is parallel to the first segment 2 along the displacement axis determined by the two displacement-axis plain bearing bearings 11 and 12
  • the second segment 3 can also be displaced to the right along the displacement axis determined by the two displacement bearings 11, 12 with respect to the first segment 2 parallel to the longitudinal axis L (not shown), so that the surfaces 2a, 3a of FIG Segments 2, 3 in different sections along the longitudinal axis L are approximated or further away from each other.
  • the situation is reversed with respect to the situation shown in Fig. 4B.
  • the surfaces 2a, 3a of the segments 2, 3 are now approximated, whereby a local channel constriction is achieved.
  • the valve characteristic of the muffler 1 is defined by the function air flow (volume flow or mass flow) as a function of muffler opening degree.
  • the muffler opening degree is in turn determined by the extent of the left shift or right shift of the second segment 3.
  • the muffler channel 4 may also have a different shaped cross section, in particular oval, e.g. elliptical or "racetrack-shaped" with two parallel rectilinear contour sections, the two adjacent ends of which are connected to each other via a curved contour section, for example in the form of a semicircle.
  • oval e.g. elliptical or "racetrack-shaped” with two parallel rectilinear contour sections, the two adjacent ends of which are connected to each other via a curved contour section, for example in the form of a semicircle.
  • FIGS. 5 and 6 schematically show an arrangement of a silencer 1 according to the invention (see FIGS. 1A and 1B) and according to the third embodiment (see FIGS. 3A and 3B) in a ventilation channel LK shown.
  • the silencer 1 is connected in a ventilation duct LK.
  • the upper first segment 2 is fixedly arranged in a housing or on a frame (not shown), while the second segment 3 is rotatably mounted by means of a pivot axis pivot bearing 10 with respect to the frame or the housing and thus with respect to the first segment 2.
  • the measuring member 8 is arranged in the ventilation channel LK on that side of the muffler 1, on which the pivot axis pivot bearing 10 is located.
  • the controller 9 is connected on the one hand to the measuring output of the measuring element 8 via a measured data path D, via which measured data are transmitted to the controller 9.
  • the controller 9 is on the other hand connected to the control input of the actuator 7 via a control data link C, via which control data are transmitted to the actuator 7.
  • the controller 9 enables a regulation of the volume flow of the air flowing in the ventilation duct LK.
  • the measured data path D and / or the control data path C may be a cable connection or a wireless radio connection.
  • the ventilation duct LK is airtightly connected by means of a flexible duct section 13.
  • the method for controlling the silencer 1 can be carried out, namely:
  • step c) a relative pivoting of the second segment 3 with respect to the first segment 2 by a predetermined small
  • Angular range which is preferably in the range of 1 ° to 5 °, more preferably in the range of 1 ° to 3 °.
  • step c) a relative displacement of the second segment 3 with respect to the first segment 2 by a predetermined small
  • Length range preferably in the range of 1/50 (0.02) to 1/5 (0.2), and more preferably in the range of 1/20 (0.05) to 1/10 (0.1) of the length of first segment 2 or the length of the second segment 3 is located.
  • step c) is performed after step b) only if in step b) when performing the setpoint / actual value comparison for the determined volume flow and / or mass flow in the controller 9, a setpoint / actual value deviation is determined which is greater than is a predetermined tolerated absolute value deviation or relative value deviation. Otherwise, step c) is not performed immediately after step b). Only when, after renewed, if necessary repeatedly performing step a) and the
  • step b) subsequent renewed, if necessary repeated carrying out step b) in the controller 9 again a setpoint / actual value deviation is determined, which is greater than the predetermined tolerated absolute value deviation or relative value deviation, the pivoting and / or shifting takes place according to step again c) and the repetition of at least steps a) and b).
  • the predetermined tolerated absolute value deviation is in the range of 1% to 10%, particularly preferably in the range of 1% to 5%.
  • a predetermined air volume flow or air mass flow is used as the setpoint value with setpoint value.
  • the air volume flow or mass air flow is by means of an integrated into the muffler 1 between the first segment 2 and the second segment 3 measuring member 8 in the form of a differential pressure sensor,
  • a servomotor is used as actuator 7.
  • the servomotor is
  • a continuously variable servomotor preferably a continuously variable servomotor.
  • different predetermined air volume flows or air mass flows can be selected as setpoint value with nominal value.
  • predetermined setpoint values there are a plurality of predetermined setpoint values, each of which corresponds to a typical usage situation of the device by means of a
  • Ventilation system adapted to be ventilated premises.
  • a first preset setpoint corresponding to a first relative positioning of the two segments 2 and 3 and a second preset setpoint
  • a third, a fourth and a fifth preset value can be provided, which correspond to a third or a fourth or a fifth relative positioning of the two segments 2 and 3.
  • a first preset and selectable set point ie a first relative positioning of the two segments 2 and 3, which corresponds to 15% to 25% of the maximum opening degree of the muffler 1.
  • This first Relative positioning is selected, for example, in the event of a long absence of the residents (holidays, absence for several days).
  • a second preset and selectable setpoint i. a second relative positioning of the two segments 2 and 3, which corresponds to 35% to 45% of the maximum opening degree of the muffler 1.
  • This second relative positioning is e.g. chosen for shorter absence of the residents (one to two days absence, business trip, short break).
  • a third preset and selectable setpoint i. a third relative positioning of the two segments 2 and 3, which corresponds to 55% to 65% of the maximum opening degree of the muffler 1.
  • Relative positioning is e.g. in the usual presence of the residents elected (everyday, normal operation).
  • a fourth preset and selectable setpoint i. a fourth relative positioning of the two segments 2 and 3, which corresponds to 85% to 95% of the maximum opening degree of the muffler 1.
  • This fourth relative positioning is e.g. in an oversized presence of residents elected (party operation).
  • Operating element e.g. in the form of a multi-stage switch or a probe element assigned.
  • the control element may be mounted directly on the controller 9, or it may be connected over a data link, e.g. in the form of a conductor, a light guide or a wireless radio link, be connected to the controller 9.
  • the control mode for the actual value according to the control method then takes place around the preselected setpoint value.
  • a simple control without controller 9 can be carried out with the silencer 1 according to the invention.
  • the silencer 1 there are preferably a plurality of predetermined setpoint values which are each adapted to a typical usage situation of the premises to be ventilated by means of the ventilation system. Preferably, these are the same
  • controller 9 is either omitted or switched off or bypassed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Exhaust Silencers (AREA)

Abstract

L'invention concerne un silencieux (1), destiné à un système de ventilation, qui sert à atténuer le bruit qui se propage à l'intérieur le long d'un conduit de ventilation (LK) parcouru par de l'air. Ledit silencieux peut être intégré dans le conduit de ventilation conçu pour le guidage de l'air, ou bien il forme une partie du conduit de ventilation, et le silencieux (1) possède au moins deux segments de silencieux (2, 3) qui sont disposés à une certaine distance l'un de l'autre afin de former, entre les surfaces (2a, 3a) tournées l'une vers l'autre des deux segments (2, 3), un conduit de silencieux (4) qui s'étend de l'entrée (5) à la sortie (6) du silencieux (1). Les deux segments (2, 3) sont montés mobiles l'un par rapport à l'autre afin de pouvoir rapprocher ou éloigner les unes des autres au moins des parties des surfaces (2a, 3a) des segments (2, 3). L'invention concerne également un procédé de réglage du silencieux selon l'invention.
EP15715815.5A 2014-03-11 2015-03-10 Arrangement d'un amortisseur de son et une gaine de ventilation et procédé de réglage d'un tel arrangement Active EP3117156B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3772014 2014-03-11
PCT/IB2015/000319 WO2015136357A1 (fr) 2014-03-11 2015-03-10 Silencieux pour système de ventilation et son procédé de réglage

Publications (2)

Publication Number Publication Date
EP3117156A1 true EP3117156A1 (fr) 2017-01-18
EP3117156B1 EP3117156B1 (fr) 2022-08-17

Family

ID=52824506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15715815.5A Active EP3117156B1 (fr) 2014-03-11 2015-03-10 Arrangement d'un amortisseur de son et une gaine de ventilation et procédé de réglage d'un tel arrangement

Country Status (2)

Country Link
EP (1) EP3117156B1 (fr)
WO (1) WO2015136357A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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EP3584511A1 (fr) 2018-05-16 2019-12-25 STIEBEL ELTRON GmbH & Co. KG Appareil d'aération pourvu de garniture de silencieux

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3584511A1 (fr) 2018-05-16 2019-12-25 STIEBEL ELTRON GmbH & Co. KG Appareil d'aération pourvu de garniture de silencieux

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WO2015136357A1 (fr) 2015-09-17

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