EP3286398A1 - Fenêtre et système de fenêtres comprenant un dispositif d'amortissement acoustique - Google Patents
Fenêtre et système de fenêtres comprenant un dispositif d'amortissement acoustiqueInfo
- Publication number
- EP3286398A1 EP3286398A1 EP16721462.6A EP16721462A EP3286398A1 EP 3286398 A1 EP3286398 A1 EP 3286398A1 EP 16721462 A EP16721462 A EP 16721462A EP 3286398 A1 EP3286398 A1 EP 3286398A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- window
- opening
- frame
- acoustic
- blades
- 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
Links
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- 230000003584 silencer Effects 0.000 claims abstract description 62
- 230000002745 absorbent Effects 0.000 claims abstract description 8
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- 239000011358 absorbing material Substances 0.000 claims 1
- 238000005273 aeration Methods 0.000 description 3
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- 238000009423 ventilation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/04—Wing frames not characterised by the manner of movement
- E06B3/263—Frames with special provision for insulation
- E06B3/26347—Frames with special provision for insulation specially adapted for sliding doors or windows
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
- E06B5/205—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise windows therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
- G10K11/17823—Reference signals, e.g. ambient acoustic environment
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3044—Phase shift, e.g. complex envelope processing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
Definitions
- the invention relates to a system of windows for acoustic damping.
- the invention belongs to the field of openings, more particularly, but not exclusively that of windows or French windows used to close the openings in the facade of a building.
- the opening even according to a moderate crack of the opening of said windows significantly degrades this sound insulation. This is particularly unpleasant for dwellings or offices in noisy streets or near traffic lanes, especially in the upper floors where the effect of noise barriers is reduced. Thus, the occupants of such premises can not open the windows more than a few minutes without intolerably suffering the effects of external noise.
- a window including sliding, closing an open surface in a wall separating the inside from the outside, and comprising a opening and a frame, characterized in that it comprises:
- a passive acoustic silencer comprising two acoustically absorbing parallel blades, extending in a normal plane normal to the open surface, one being fixed to the opening and the other being fixed to the frame, the displacement of the opening through relative to the frame creating between said blades a slot of a thickness equal to the opening of the window.
- the slot created during the opening of the window provides an acoustic damper for the noise included in frequencies between about 1000 Hz and 5000 Hz.
- the blades are adapted to be reported on any existing window, more particularly, but not exclusively, a sliding sash window.
- the blades are each constituted by a U-shaped profile applied against the frame of the opening or the frame and filled with an acoustic absorbent material.
- This embodiment is easy to implement.
- the nature of the profile is adapted to the nature of the frame.
- the blades extend 25 cm in the direction normal to the open surface. This configuration presents a good compromise between the effectiveness of the device object of the invention and its aesthetic impact on the window.
- the window which is the subject of the invention comprises an active acoustic damping system comprising:
- an electronic control module comprising means for analyzing the signal picked up by the microphone and generating a signal emitted by the loudspeaker constituting an acoustic counter-wave to the signal picked up by the microphone.
- the active damping system completes the system passive damping for frequencies below 1000 Hz.
- the microphone is placed in the blade connected to the opening and the speaker is placed in the blade connected to the frame.
- the active damping system is included in the blades so that the device of the invention is adaptable to any existing window.
- the window object of the invention comprises a microphone attached to the frame on the inside.
- this microphone accurately captures the external crude carried inside.
- the proximity of this microphone to the inner end of the acoustic silencer allows it to capture a signal filtered by said silencer and improves the effectiveness of the active acoustic treatment.
- the window which is the subject of the invention comprises a loudspeaker fixed to the opening and facing outwards, or a loudspeaker connected to the opening and facing the slot between the two blades.
- the window which is the subject of the invention comprises a plurality of loudspeakers.
- the emission of the opposite acoustic signal is optimized by directing the signal to the adapted loudspeakers according to the frequency ranges.
- a plurality of loudspeakers is able to transmit a signal in a frequency range extending below 250 Hz and a plurality of loudspeakers is suitable for emit an acoustic signal with a frequency greater than 250 Hz.
- the loudspeakers are spaced at a pitch less than or equal to 1/2 wavelength of the highest frequency f of the effective damping efficiency.
- the number of loud speakers for low frequencies is reduced.
- the object window comprises a plurality of microphones.
- This arrangement allows a more precise capture of the acoustic field.
- the microphones of said plurality are spaced by a pitch less than or equal to 1/2 wavelength corresponding to the maximum frequency foe the effectiveness of the active damping.
- the invention also relates to a method for damping external noise in an indoor room comprising a window according to the invention, which method comprises the steps of:
- this process combines the passive damping for the high frequencies and the active damping for the low frequencies, which allows it to be effective on the attenuation of external noise up to openings of the order of 10 cm from the window.
- the invention also relates to a preconstituted assembly, or kit, comprising:
- a blade intended to be fixed to the frame of a window, consisting of a U-shaped section filled with an acoustically absorbent material, and comprising a loudspeaker;
- a blade intended to be fixed to the opening of a window, consisting of a U-shaped section filled with an acoustically absorbent material;
- an electronic control module comprising calculation means, means capable of generating a signal intended for the loudspeaker and means for receiving the signal coming from the microphone;
- This kit is adaptable to an existing window to improve its acoustic performance when it is ajar.
- the kit which is the subject of the invention comprises:
- photovoltaic means connected to the power supply means.
- said kit operates autonomously and does not require a connection to the mains.
- the invention also relates to a system of windows, in particular sliding, for acoustic damping, said system closing an open space in a wall separating the interior from the outside, said space open system having an open inner surface and an open outer surface, and said system comprising a first window and a second window, each window having at least one opening, said opening end, cooperating with a portion of a frame.
- said system is configured so that:
- said first and second windows respectively seal said internal and external surfaces
- At least one of said first and second windows comprises at least one passive acoustic silencer comprising two parallel and acoustically absorbing blades, extending in a normal mean plane to the inner and outer surfaces, one being fixed to said at least one end leaf and the other being fixed to the part of the frame connected to said at least one end leaf, the displacement of said at least one opening extremal to the frame creating between said blades a slot of a thickness equal to the opening of the window.
- the slot created during the opening of one of said first and second windows at an extremal opening provides an acoustic damper for the noise included in frequencies between 1000 Hz and 5000 Hz approximately.
- the blades are adapted to be reported on any existing window, more particularly, but not exclusively, a window comprising at least one sliding leaf.
- the window system is advantageously implemented according to the embodiments and variants described below, which are to be considered individually or in any technically operative combination.
- At least one of said first and second windows comprises two extremal openings cooperating respectively with two distinct parts of its frame.
- each window comprises two extremal openings cooperating respectively with two distinct parts of the frame of said window.
- Such a configuration advantageously allows to have respective openings of the first and second windows contained in identical or distinct average planes according to the needs of aeration and / or noise reduction.
- the first and second windows respectively comprise a first and a second passive acoustic silencer, the blades of said first and second passive acoustic silencers respectively extending in two separate planes means.
- the path of the noise to penetrate from the outside to the inside comprises a baffle through said first and second passive acoustic silencers, so that the performances of the acoustic damping are significantly improved compared to the use of a single window.
- the first and second windows respectively comprise a first and a second passive acoustic silencer, the blades of said first and second passive acoustic silencers extending in a common mean plane.
- each window comprises a first and a second passive acoustic silencer, the blades respectively of the first passive acoustic silencer of the first window and the first passive acoustic silencer of the second window extending in a first common mean plane.
- the blades respectively of the second passive acoustic silencer of the first window and the second passive acoustic silencer of the second window extending in a second common average plane, said first and second common mean planes being distinct.
- said system comprises at least one intermediate opening positioned between said two extremal openings of the same window.
- At least one passive acoustic silencer of the window system also comprises an active acoustic damping system comprising:
- a loudspeaker placed in one of the blades of said at least one passive acoustic silencer
- an electronic control module comprising means for analyzing a signal picked up by the microphone and generating a signal emitted by the loudspeaker, said emitted signal constituting an acoustic counter wave to the signal picked up by the microphone (160, 360).
- the invention also relates to a method for damping external noise in an indoor room comprising a window system according to the invention, characterized in that it comprises the steps of:
- this process combines passive damping for high frequencies and active damping for low frequencies, which allows it to be effective on the attenuation of external noise up to openings between 10 cm and 20 cm. each of said first and second windows.
- the first and second windows are respectively ajar in two parallel directions and opposite directions.
- Such a mode of implementation advantageously makes it possible to obtain an attenuation of the external noise belonging to the interval [30dB, 35dB] when the windows of the window system are ajar, thus allowing the user of such a system of windows enjoy aeration without suffering external noise.
- FIGS. 1 to 10 The invention is explained below according to its preferred embodiments, in no way limiting, and with reference to FIGS. 1 to 10, in which:
- FIG. 1 shows in a partial and schematic view an embodiment of a window in a section through a horizontal plane perpendicular to the open surface obscured by the window;
- FIG. 2 is a front view, outer side of the blade fixed to the frame of the window;
- Figure 3 is a schematic view of principle, according to the same section as Figure 1, a kit of equipment of a window;
- FIG. 4 shows in a schematic sectional view an embodiment of an experimental device for measuring the effectiveness of a window in terms of acoustic attenuation
- FIG. 5 is an example of an acoustic attenuation diagram obtained by means of the device of FIG. 4;
- FIG. 6 represents a schematic example of embodiment of a system of sliding windows for acoustic damping
- FIG. 7 shows schematically an alternative embodiment of the window system of Figure 6, wherein the passive acoustic silencer blades extend in a common mean plane;
- FIG. 8 schematically shows a particular embodiment of the window system of Figure 6 or Figure 7, wherein each window comprises a first and a second silent acoustic passive;
- FIG. 9 diagrammatically represents an embodiment variant of the window system in which the first window comprises two extremal openings, and in which the second window comprises a single extremal opening;
- FIG. 10 schematically represents a variant of realization of the window system in which each of said first and second windows comprise a single opening extremal.
- the window object of the invention is a sliding window comprising a frame (1 10) attached to a facade (101), and an opening (120) supporting a glazing (121), blackout a surface (102) open in said facade (101).
- the amounts of the frame (1 10) and the opening (120) consist of aluminum profiles thermal break, however, the invention is adaptable to any type of joinery. Similarly, the invention is adaptable to any type of opening: sliding, striking, guillotine.
- a first blade (130) is fixed to the frame (1 10) and, according to an exemplary embodiment, this blade (130) is concealed in the wall (101) constituting the facade.
- a second blade (140) is attached to the opening (120) opposite the first blade (130), so that when the window is ajar, said blades (140, 130) define a slot of a thickness (103) equal to this crack.
- each blade consists of a section (131, 141) U, for example an aluminum alloy profile filled with an acoustically absorbent material, for example, a porous or fibrous material.
- the surfaces of the blades (130, 140) are covered with an acoustically transparent coating for aesthetic purposes, or else the walls of the blades (130, 140) inside the slot are pierced with a plurality of holes constituting as many Helmotz resonators and cooperating with the acoustically absorbent material (132, 142) for damping certain frequency bands.
- the blades (130, 140) normally extend to the surface (102) open over a distance (105) of the order of 25 cm.
- the blade (140) connected to the opening (120) is of a thickness (104) of the order of 6 cm.
- the slit created between the two blades (130, 140) produces an acoustic silencer, effective in the range of medium frequencies, from 1000 Hz to 5000 Hz, when the window is ajar in an opening (103) up to 10 cm. Beyond that, efficiency decreases rapidly with increasing openness.
- an active damping device is installed in the blades (130, 140).
- This device comprises at least one loudspeaker (150) preferably placed in the blade (130) connected to the frame (1 10). Indeed, this blade (130) fixed, is advantageously made in a thickness (106) greater than that of the blade (140) connected to the opening, to allow housing there said speaker and possibly the electronic module of control (not shown) or other components of this active damping device.
- the loudspeaker (150) is turned towards the outside of the facade. Alternatively, said speaker is turned towards the slot formed by the two blades (130, 140) when the window is ajar.
- At least one microphone (160) is placed in the blade (140) connected to the opening.
- said microphone (160) is turned towards the slot or towards the outside in order to pick up the so-called primary, that is to say outside, acoustic field.
- the primary sound field is measured by one or more microphones (161) fixed to the frame of the frame inside.
- this field is picked up by a plurality of microphones (161) spaced by a distance less than or equal to the 1/2 wavelength of the highest frequency damped by the active damping device.
- / 500 Hz.
- the primary acoustic field is picked up by the microphone (160, 161) or the plurality of microphones, and the electronic module (not shown) calculates an opposite acoustic wave to cancel this primary field.
- the corresponding electrical signal is amplified and sent to the loudspeaker (150) which diffuses the secondary sound field counteracting the primary acoustic field.
- the window object of the invention is sized so that the active damping device is mainly effective in the frequency band between 80 Hz and 500 Hz, while the passive acoustic silencer, formed by the slot between the blades (130, 140) absorbing, is mainly effective in the frequency band between 500 Hz and 5000 Hz.
- the window of the invention advantageously comprises a sensor, in the form of a contact (not shown), for automatically deactivating the active damping device when said window is closed.
- the entire active device is advantageously included in one of the two blades (130, 140) or in the two blades (130, 140) so that the blades thus equipped constitute a kit adaptable to a large number of existing windows.
- the active device advantageously uses a plurality of speakers.
- a small number of loudspeakers (150, 251, 252) of large volume is used for the emission of low frequencies, for example for frequencies below 250 Hz.
- These speakers of larger For example, the volume is capable of transmitting in a frequency range of between 80 Hz and 5000 Hz.
- a plurality of small speakers (255) are used for transmitting the higher frequencies to densify the field. Secondary frequencies above 250 Hz.
- These loudspeakers for the higher frequencies are for example able to emit a signal in a frequency range between 250 Hz and 5000 Hz.
- the loudspeakers (250, 251, 252) are arranged in a step (201) less than or equal to the 1/2 wavelength of the highest frequency, denoted by f, referred to by the active damping. For example a pitch of 34 cm for a frequency of 500 Hz.
- the electronic control module (370) placed in the blade (330) intended to be fixed to the frame, is advantageously powered by a battery (310) which is charged by a photovoltaic panel (305) suitably placed, for example on the facade.
- the electronic module (370) comprises an input port (371) capable of receiving a digital signal from an acquisition device (380).
- said digital signal is transmitted from the acquisition device (380) to the electronic module (370) via a short-distance radio signal, for example according to one of the WIFI® protocols, Bluetooth ® or ZigBee®.
- a calculation module (372) calculates a wave opposite to the signal received on said input port (371).
- An amplification module (373) generates the signal supplying the loudspeaker (350) to generate the secondary sound field.
- the electronic control module (370) comprises adjustment means for adapting the acoustic field generation secondary to the configuration of the window on which the kit is used.
- this adjustment is performed via the radio interface (371) using a series of programmed transmissions and measurements, by controlling the device via a computer terminal.
- the setting protocol is advantageously programmed for automatic adjustment on an application for example for smartphone.
- FIG. 4 according to an example of an experimental device, an acoustic box (400) is closed by a window (410) according to the invention provided with an acoustic silencer damping device and an active damping device, such as than those described above.
- a noise is generated inside said box (400) for example by means of a loudspeaker (350).
- a sound level meter (491) is placed inside the box and another sound level meter (492) is placed in front of the window (410) outside the box (400). The measurement at a given instant of the acoustic power picked up on the two sound level meters (491, 492) makes it possible to measure the sound attenuation provided by the window (410) according to different configurations.
- FIG. 5 the measurement is first performed closed window and shows in a diagram having the abscissa (510) the ordinate frequency (502), the attenuation in dB, the attenuation (510) provided by the window when the This is closed.
- a control curve (51 1) is produced by measuring the attenuation provided by a window, not equipped with passive and active damping devices, when said window is ajar by 10 cm.
- the third curve shows the attenuation provided by the window object of the invention, equipped with active and passive acoustic damping devices, when it is ajar 10 cm.
- This curve (512) clearly shows the area (513) of active damping efficiency at frequencies substantially lower than 500 Hz.
- the invention in another aspect, relates to a window system.
- FIG. 6 represents a schematic example of embodiment of a system of sliding windows for acoustic damping, said system closing an open space in a wall separating the inside from the outside.
- Said open space has an inner surface (102a) open and an outer surface (102b) open.
- inner (102a) and outer (102b) open surfaces are meant surfaces respectively facing inside and outside.
- said system comprises a first window and a second window, each window comprising at least one opening (120a, 120b, 120c, 120d), said opening end, cooperating with a portion of a frame (1 10a, 1 10b, 1 10c, 1 10d).
- each window supports glazing (121a, 121b, 121c, 121d).
- the window system is configured such that said first and second windows respectively seal said inner (102a) and outer (102b) surfaces.
- Figure 6 corresponds to a top view of said window system.
- each of said first and second windows comprises two end openings (120a, 120b, 120c, 120d) cooperating respectively with two distinct parts (1 10a, 1 10b, 1 10c, 1 10d) of the frame of said window. More specifically, each window comprises a rightmost opening leaflet (120c, 120d) and a leftmost extremal opening (120a, 120b), said rightmost opening leaflet (120c, 120d) (respectively opening leftmost extremal (120a, 120b)) being configured so to slide along, and in front of, said leftmost left opening (120a, 120b) (respectively rightmost opening right (120c, 120d)).
- the relative movement of the rightmost opening leaflet (120c, 120d) of a window with respect to the leftmost extremity opening (120a, 120b) of said window is limited by stop means (170a, 170b, 170c). , 170d), such as for example two rods, fixedly mounted respectively on said right (120c, 120d) and left (120a, 120b), and adapted to cooperate with each other.
- the frame of each window comprises a right portion (1 10c, 1 10d) and a left portion (1 10a, 1 10b) vertical, said rightmost opening (120c, 120d) (respectively opening left extremal (120a, 120b). )) being adapted to cooperate with said right part (1 10c, 1 10d) of the frame (said left part (1 10a, 1 10b) of the frame).
- the window system is also configured such that at least one of said first and second windows comprises at least one passive acoustic silencer comprising two parallel and acoustically absorbing blades (130a, 140a, 130b, 140b, 130c, 140c, 130d, 140d) , extending in a normal plane normal to the inner (102a) and outer (102b) surfaces, one being attached to said at least one end leaf (120a, 120b, 120c, 120d) and the other being attached to the portion of the frame (1 10a, 1 10b, 1 10c, 1 1 Od) connected to said at least one end leaf (120a, 120b, 120c, 120d), the displacement of said at least one end leaf (120a, 120b, 120c, 120d) relative to the frame (1 10a, 1 10b, 1 10c, 1 10d) creating between said blades a slot of a thickness (103) equal to the opening of the window.
- at least one of said first and second windows comprises at least one passive acoustic silencer comprising
- said at least one passive acoustic silencer of said window system comprises one or more of the characteristics, taken individually or in any technically possible combination, of the passive acoustic silencer described above in the case of a single window comprising a single passive acoustic silencer, and illustrated by way of non-limiting example in Figures 1, 2 and 3.
- the embodiments described below are in no way limiting.
- each of said first and second windows comprises a passive acoustic silencer, the passive acoustic silencer blades respectively of the first window and the second window extending in two different planes means.
- the first window (respectively the second window) comprises a passive acoustic silencer comprising two blades (130a, 140a) (respectively (130d, 140d)) respectively fixed to the left-hand extremal opening (120a) (respectively the right-hand opening leaflet (120d)) and the left-hand door frame (1 10a) (right-hand sleeping frame (1 10d) respectively) of said first window (respectively second window).
- Such a configuration is advantageous because it makes it possible to increase the efficiency of the acoustic damping of the noise coming from the outside with regard to a configuration comprising a single window comprising a passive acoustic silencer. Indeed, when the first and second windows are ajar, for example 10cm respectively, at their respective passive acoustic silencers, the noise first undergoes a first acoustic damping passing between the blades (130d, 140d) of the muffler passive acoustics of the second window.
- the damped noise, and leaving the passive acoustic silencer of the second window then undergoes a second acoustic damping passing between the blades (130a, 140a) of the passive acoustic silencer of the first window.
- said two mean planes being separate, when said windows are ajar at their respective passive acoustic silencers, the noise path to penetrate from the outside to the inside comprises a baffle.
- this baffle effect contributes to increasing the noise reduction between the outside and the inside by making the path traveled by the noise more complex compared to a configuration where the two windows are open on the same side.
- first window and a second window each having two extremal openings, said first window comprising a passive acoustic silencer on the right side, and said second window comprising a passive acoustic silencer on the left side.
- the window system is configured such that at least one passive acoustic silencer also includes an active acoustic dampening system comprising:
- a loudspeaker 150, 251, 252, 255, 350 placed in one of the blades of said at least one passive acoustic silencer; a microphone (160, 360);
- an electronic control module comprising means for analyzing a signal picked up by the microphone (160, 360) and generating the signal emitted by the loudspeaker, said emitted signal constituting an acoustic counter-wave to the signal picked up by the microphone (160, 360).
- said active acoustic damping system comprises one or more of the characteristics, taken alone or in any technically possible combination, of the active acoustic system described above in the case of a single window comprising a single active acoustic system, and illustrated by way of non-limiting example in Figures 1, 2 and 3.
- the passive acoustic silencers respectively of the first and second windows each comprise an active acoustic damping system.
- the active damping system of the first window comprises a loudspeaker (150a) (respectively (150d)) facing the slot formed by the two blades (130a, 140a) (respectively (130d, 140d) ) when said first window (respectively second window) is ajar.
- a microphone (160a) (respectively (160d)) is placed in the blade (140a) (respectively (140d)) connected to the leftmost extremal opening (120a) of the first window (respectively opening rightmost extremum (120d) of the second window).
- FIG. 7 schematically represents a variant embodiment of the window system of FIG. 6, wherein each of said first and second windows comprises a passive acoustic silencer comprising an active damping system, the blades (130a, 140a, 130b, 140b) passive acoustic silencer respectively of the first window and of the second window extending in a common mean plane.
- the first window (respectively the second window) comprises a passive acoustic silencer comprising two blades (130a, 140a) (respectively 130b, 140b) respectively fixed to the rightmost opening leaflet (120a) and to the right frame (1 10a) of said first window (respectively left left opening (120b) and the left frame (1 10b) of said second window).
- the active damping systems respectively of the first window and the second window each comprise a speaker (150a, 150b) and a microphone (160a, 160b) configured as those of Figure 6.
- a configuration of the system of windows makes it possible to increase the effectiveness of the acoustic damping of the noise coming from outside with regard to a configuration comprising a single window comprising a passive acoustic silencer (as described for example in FIG. 1), but nevertheless proposes reduced performance compared to a window system comprising two passive acoustic silencers respectively equipped with active damping systems, and wherein the medium planes containing the blades (130a, 140a, 130b, 140b) of the first and second windows are distinct. This is particularly because the noise path, from the outside to the inside, does not include a chicane.
- FIG. 8 schematically represents a particular embodiment of the window system of FIG. 6 or FIG. 7, in which each window comprises a first and a second passive acoustic silencer, the blades (130a, 140a, 130b, 140b) respectively of the first passive acoustic silencer of the first window and the first passive acoustic silencer of the second window extending in a first common mean plane, left side, and the blades (130c, 140c, 130d, 140d) respectively of the second passive acoustic silencer of the first window and the second passive acoustic silencer of the second window extending in a second common mean plane, right side. Therefore, we understands that said first and second common average planes are distinct.
- each of said passive acoustic silencers comprises an active damping system comprising a loudspeaker (150a, 150b, 150c, 150d) and a microphone (160a, 160b, 160c, 160d) configured as those of FIG. configuration advantageously optimally reduces the noise from the outside when the first and second windows are respectively open in two parallel directions and opposite directions to impose a baffle noise path between the windows.
- an active damping system comprising a loudspeaker (150a, 150b, 150c, 150d) and a microphone (160a, 160b, 160c, 160d) configured as those of FIG. configuration advantageously optimally reduces the noise from the outside when the first and second windows are respectively open in two parallel directions and opposite directions to impose a baffle noise path between the windows.
- such a configuration also offers a user the possibility of opening the first and second windows on the same side in order to favor, for example, increased ventilation at the expense of reduced acoustic performance.
- the first window comprises two passive acoustic silencers positioned on the right and left extremal opening respectively of said first window
- the second window comprises a single passive acoustic silencer positioned on the rightmost extremal opening or left of said second window.
- an intermediate opening is positioned, in a manner known to those skilled in the art, between the two extremal openings (120a, 120c) of the first window (respectively the two extremal openings (120b, 120d) of the second window).
- Such a configuration is advantageous when the respective sizes of said inner and outer surfaces are large.
- the window system is adaptable to any type of open space size in a wall.
- FIG. 9 diagrammatically represents an embodiment variant of the window system in which the first window comprises two extremal openings (120a, 120c) cooperating respectively with the left (1 10a) and right (1 10c) parts of its frame, and in which the second window comprises a single end leaf (120b) cooperating with the left part (1 10b) of its frame.
- each extremal opening (120a, 120c) of said first window includes a passive acoustic silencer including an active damping system.
- Said second window is configured so that it opens in the extension of said outer surface (102b), sliding in an opening (180b) of the wall, said opening (180b) being positioned on the right side of the window.
- said second window comprises a passive acoustic silencer comprising an active damping system, left side.
- Each active damping system comprises a speaker (150a, 150b, 150c) and a microphone (160a, 160b, 160c) configured as those of Figure 6.
- Figure 10 shows schematically an alternative embodiment of the window system in which each of said first and second windows comprise a single end leaf (120a, 120b).
- the first window (respectively the second window) is configured so that it opens in the extension of said inner surface (102a) (respectively outer surface (102b)), sliding in an opening (180a) (respectively (180b) )) of the wall, said opening (180a) (respectively (180b)) being positioned on the left side of said first window (respectively on the right side of said second window).
- said first window (respectively second window) comprises a passive acoustic silencer comprising an active damping system, right side (respectively left side), but nothing excludes that said passive acoustic silencer of the first window is left side ( respectively of the second window right side).
- Each active damping system comprises a speaker (150a, 150b) and a microphone (160a, 160b) configured as those of Figure 6.
- the first window comprises at least one passive acoustic silencer, said at least one passive acoustic silencer preferably comprising a active acoustic silencer.
- the present invention also relates to a method for damping external noise in an indoor room comprising a window system as described above.
- the method comprises a first step of opening the first and second windows.
- the first and second windows are respectively open in two parallel directions and in opposite directions, so as to impose the external noise a path comprising a baffle before reaching the interior room.
- the noise from the outside is picked up by means of a first microphone (160, 360) and a second microphone respectively of the first and second windows.
- an acoustic wave opposite to the captured signal is generated in a frequency range between 80 Hz and 1000 Hz.
- kit described above in the case of the realization of a single window with acoustic damping, is clearly adaptable to a windows system with a plurality of Extreme opening. Such a kit is then used for each of said extremal opening.
- the above description and the exemplary embodiments show that the invention achieves the intended purpose, and makes it possible to obtain an attenuation of the external noise belonging to the interval [30dB, 35dB] when the windows of the window system are ajar. , thus allowing the user of such a window system to benefit from aeration without suffering external noise pollution.
- said system also provides excellent excellent outside noise attenuation in the range [40dB, 50dB] when windows of the window system are closed.
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- Structural Engineering (AREA)
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Abstract
Description
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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FR1553566A FR3035432A1 (fr) | 2015-04-21 | 2015-04-21 | Fenetre comprenant un dispositif d’amortissement acoustique |
FR1555414A FR3035433B1 (fr) | 2015-04-21 | 2015-06-12 | Fenetre comprenant un dispositif d’amortissement acoustique |
FR1653476A FR3035434B1 (fr) | 2015-04-21 | 2016-04-20 | Systeme de fenetres comprenant un dispositif d’amortissement acoustique |
PCT/FR2016/050929 WO2016170274A1 (fr) | 2015-04-21 | 2016-04-21 | Fenêtre et système de fenêtres comprenant un dispositif d'amortissement acoustique |
Publications (2)
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EP3286398A1 true EP3286398A1 (fr) | 2018-02-28 |
EP3286398B1 EP3286398B1 (fr) | 2020-02-26 |
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EP16721462.6A Active EP3286398B1 (fr) | 2015-04-21 | 2016-04-21 | Fenêtre et système de fenêtres comprenant un dispositif d'amortissement acoustique |
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US (1) | US10612297B2 (fr) |
EP (1) | EP3286398B1 (fr) |
ES (1) | ES2783874T3 (fr) |
FR (3) | FR3035432A1 (fr) |
IL (1) | IL255133A0 (fr) |
WO (1) | WO2016170274A1 (fr) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11335312B2 (en) * | 2016-11-08 | 2022-05-17 | Andersen Corporation | Active noise cancellation systems and methods |
CN107767855B (zh) * | 2017-09-15 | 2021-12-17 | 南京大学 | 一种用于墙体通风的有源宽频带隔声装置 |
EP3698003B1 (fr) * | 2017-10-18 | 2021-07-28 | Ramboll Denmark Contracting Aps | Dispositif de volet acoustique |
EP3788619A1 (fr) | 2018-05-04 | 2021-03-10 | Andersen Corporation | Ciblage de fréquence multibande pour atténuation de bruit |
CN108843213B (zh) * | 2018-06-07 | 2019-07-23 | 正坚建设有限公司 | 一种房屋建筑用隔音墙 |
EP3614066A1 (fr) | 2018-08-22 | 2020-02-26 | Arup Ventures Limited | Unité de panneau ouvrable |
CN110007006A (zh) * | 2019-05-07 | 2019-07-12 | 中汽研(天津)汽车工程研究院有限公司 | 一种可变尺寸的车辆声学包隔声性能测试窗及测试方法 |
Family Cites Families (15)
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US4425739A (en) * | 1979-12-17 | 1984-01-17 | Garbell Maurice A | Sliding panel with sound-trap framing |
US5379824A (en) * | 1993-08-10 | 1995-01-10 | Hegwer Industries, Inc. | Double window apparatus |
FR2766650A1 (fr) | 1997-07-23 | 1999-01-29 | Technofirst | Haut-parleur lineaire |
KR100309793B1 (ko) * | 1999-06-22 | 2001-11-01 | 주부돈 | 폐 스틸렌폼을 이용한 복합 창호 |
DE10051531A1 (de) | 2000-10-17 | 2002-05-02 | Wicona Bausysteme Gmbh | "Verfahren zur Schalldämmung verschließbarer Fassadenöffnungen und schallgedämpfte Fensterelemente" |
DE10052093B4 (de) * | 2000-10-20 | 2004-06-24 | Jakob, André, Dr. | Verwendung von Schallerzeugern in Fensterrahmen zur Schalldämmung |
US6870941B2 (en) * | 2002-07-15 | 2005-03-22 | Glenn A. Marnie | Dipole radiating dynamic speaker |
US20070223714A1 (en) * | 2006-01-18 | 2007-09-27 | Masao Nishikawa | Open-air noise cancellation system for large open area coverage applications |
US20100266138A1 (en) | 2007-03-13 | 2010-10-21 | Airbus Deutschland GmbH, | Device and method for active sound damping in a closed interior space |
FR2949273B1 (fr) * | 2009-08-21 | 2015-09-25 | Christian Carme | Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit |
US9993891B2 (en) * | 2010-07-14 | 2018-06-12 | Illinois Tool Works Inc. | Welding parameter control via welder motion or position monitoring |
US9551180B2 (en) * | 2014-06-04 | 2017-01-24 | Milgard Manufacturing Incorporated | System for controlling noise in a window assembly |
US9586531B2 (en) * | 2014-09-05 | 2017-03-07 | Bose Corporation | Shuttered loudspeakers |
FR3043177B1 (fr) * | 2015-11-02 | 2019-08-23 | Technofirst | Installation pour la ventilation naturelle d'un local |
FR3043179A1 (fr) * | 2015-11-02 | 2017-05-05 | Technofirst | Installation pour la ventilation naturelle d'un local presentant un passage de ventilation associe a un amortisseur de bruit |
-
2015
- 2015-04-21 FR FR1553566A patent/FR3035432A1/fr active Pending
- 2015-06-12 FR FR1555414A patent/FR3035433B1/fr active Active
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2016
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- 2016-04-21 ES ES16721462T patent/ES2783874T3/es active Active
- 2016-04-21 EP EP16721462.6A patent/EP3286398B1/fr active Active
- 2016-04-21 US US15/568,483 patent/US10612297B2/en active Active
- 2016-04-21 WO PCT/FR2016/050929 patent/WO2016170274A1/fr active Application Filing
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- 2017-10-19 IL IL255133A patent/IL255133A0/en unknown
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US20180298675A1 (en) | 2018-10-18 |
ES2783874T3 (es) | 2020-09-18 |
FR3035434A1 (fr) | 2016-10-28 |
WO2016170274A1 (fr) | 2016-10-27 |
FR3035432A1 (fr) | 2016-10-28 |
IL255133A0 (en) | 2017-12-31 |
EP3286398B1 (fr) | 2020-02-26 |
FR3035433B1 (fr) | 2022-01-28 |
US10612297B2 (en) | 2020-04-07 |
FR3035433A1 (fr) | 2016-10-28 |
FR3035434B1 (fr) | 2022-01-14 |
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