CN112177508B - Ventilation and noise reduction windows - Google Patents
Ventilation and noise reduction windows Download PDFInfo
- Publication number
- CN112177508B CN112177508B CN202011228820.8A CN202011228820A CN112177508B CN 112177508 B CN112177508 B CN 112177508B CN 202011228820 A CN202011228820 A CN 202011228820A CN 112177508 B CN112177508 B CN 112177508B
- Authority
- CN
- China
- Prior art keywords
- window
- noise reduction
- ventilation
- plate body
- noise
- 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
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 256
- 238000009423 ventilation Methods 0.000 title claims abstract description 176
- 238000009434 installation Methods 0.000 claims abstract description 41
- 230000007306 turnover Effects 0.000 claims description 66
- 230000030279 gene silencing Effects 0.000 claims description 57
- 239000011521 glass Substances 0.000 claims description 21
- 230000008030 elimination Effects 0.000 claims description 19
- 238000003379 elimination reaction Methods 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 79
- 230000001603 reducing effect Effects 0.000 description 21
- 230000000670 limiting effect Effects 0.000 description 17
- 238000010521 absorption reaction Methods 0.000 description 16
- 230000002829 reductive effect Effects 0.000 description 15
- 230000008929 regeneration Effects 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H2/00—Pelmets or the like
-
- 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
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
- E06B3/362—Double winged 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
- 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
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4609—Horizontally-sliding wings for 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
-
- 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
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B2007/026—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with air flow between panes
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
本申请提供一种通风降噪窗。上述的通风降噪窗包括外窗和内窗。外窗包括相互连接的翻转窗和固定窗，翻转窗与固定窗并排设置。内窗与翻转窗之间形成避空区，内窗用于与安装腔的内壁连接，且内窗与翻转窗对应设置，内窗部分与固定窗对应设置，且固定窗与内窗之间有形成空气通道，空气通道与避空区连通，内窗包括连接框体、外消声板体和内消声板体，连接框体用于与安装腔内壁活动连接，外消声板体的周缘和内消声板体的周缘均与连接框体连接，外消声板体和内消声板体相对设置，外消声板体和内消声板体之间形成有消音腔，消音腔与避空区连通。上述的通风降噪窗层结构较简单且通风和降噪效果较好。
The present application provides a ventilation and noise reduction window. The ventilation and noise reduction window includes an outer window and an inner window. The outer window includes a flip window and a fixed window connected to each other, and the flip window and the fixed window are arranged side by side. An air avoidance zone is formed between the inner window and the flip window, the inner window is used to connect to the inner wall of the installation cavity, and the inner window is arranged corresponding to the flip window, the inner window part is arranged corresponding to the fixed window, and an air channel is formed between the fixed window and the inner window, and the air channel is connected to the air avoidance zone, the inner window includes a connecting frame, an outer sound-absorbing plate body and an inner sound-absorbing plate body, the connecting frame is used to be movably connected to the inner wall of the installation cavity, the periphery of the outer sound-absorbing plate body and the periphery of the inner sound-absorbing plate body are both connected to the connecting frame, the outer sound-absorbing plate body and the inner sound-absorbing plate body are arranged relatively, and a sound-absorbing cavity is formed between the outer sound-absorbing plate body and the inner sound-absorbing plate body, and the sound-absorbing cavity is connected to the air avoidance zone. The ventilation and noise reduction window layer structure is relatively simple and the ventilation and noise reduction effects are good.
Description
Technical Field
The invention relates to the technical field of noise reduction, in particular to a ventilation noise reduction window.
Background
With the rapid increase of the quantity of the automobile and the rapid development of the transportation industry, the urban traffic noise is serious, and the normal work, study and physical and mental health of people are directly affected, so that the urban traffic noise becomes a great public hazard. Especially, residents living in residents on two sides of a road are increasingly bothered by noise, so that noise reduction windows are developed, ventilation and good lighting cannot be realized by the noise reduction windows at first, which is equivalent to a wall body with light transmittance on one side, so that good lighting in a room is realized by gradually improving the light transmittance of noise reduction materials, the ventilation performance of the noise reduction windows is gradually improved, and the noise reduction windows with ventilation functions are realized. However, when the window is required to be opened, the ventilation noise reduction function still has the functions of ventilation noise reduction, the noise reduction window is required to be at least two layers of windows, a ventilation pipeline is required to be additionally arranged, a noise elimination structure is required to be arranged on the ventilation pipeline to achieve the ventilation noise reduction effect, the ventilation quantity is small, the ventilation effect is poor, the noise reduction window is required to be at least three layers of windows to achieve the ventilation noise reduction effect, the number of layers of the noise reduction window is increased, the size of the noise reduction window is increased, the structural complexity of the noise reduction window is further increased, the wall thickness requirement during installation of the noise reduction window is further increased, and the ventilation effect is poor and the noise reduction effect is poor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the ventilation noise reduction window which has a simpler layer structure and better ventilation effect and noise reduction effect.
The aim of the invention is realized by the following technical scheme:
A ventilation noise reduction window for installation in an installation cavity of a wall and connection with an inner wall of the installation cavity, the ventilation noise reduction window comprising:
The periphery of the outer window is connected with the inner wall of the mounting cavity, the outer window comprises a turnover window and a fixed window which are connected with each other, and the turnover window and the fixed window are arranged side by side;
The inner window, the inner window with form between the upset window and keep away the dead zone, the inner window be used for with the inner wall connection of installation cavity, just the inner window with the upset window corresponds the setting, the inner window part with the fixed window corresponds the setting, just have the formation air passage between the fixed window with the inner window, the air passage with keep away the dead zone intercommunication, the inner window includes connection framework, outer noise elimination plate body and interior noise elimination plate body, the connection framework be used for with installation cavity inner wall swing joint, the periphery of outer noise elimination plate body with the periphery of interior noise elimination plate body all with the connection framework is connected, outer noise elimination plate body with interior noise elimination plate body sets up relatively, outer noise elimination plate body with be formed with the amortization chamber between the interior noise elimination plate body, amortization chamber with keep away the dead zone intercommunication.
In one embodiment, the fixed window comprises a mounting frame body and at least two layers of silencing glass, the mounting frame body is arranged in the mounting cavity, the mounting frame body is used for being connected with the inner wall of the mounting cavity, the silencing glass is correspondingly arranged, and each silencing glass is arranged in the mounting frame body and is connected with the mounting frame body.
In one embodiment, the connecting frame body comprises a fastening frame and a silencing filling body, the fastening frame is used for being movably connected with the inner wall of the installation cavity, the periphery of the outer silencing plate body and the periphery of the inner silencing plate body are tightly connected with the fastening frame, a first cavity is formed in the fastening frame, and the silencing filling body is arranged in the first cavity.
In one embodiment, the inner window further comprises a moving assembly, the moving assembly comprises a fixed frame and a sliding assembly, a sliding groove is formed in the inner wall of the fixed frame, the extending direction of the sliding groove is the same as that of the air channel, the sliding assembly is arranged on the sliding groove and is movably connected with the fixed frame, and the sliding assembly is connected with the connecting frame body.
In one embodiment, the length of the air channel is equal to or greater than 100mm.
In one embodiment, the inner window and the outer window are arranged in parallel, and the distance between the outer window surface and the inner window surface is 100 mm-175 mm.
In one embodiment, the outer muffler plate body is provided with a plurality of muffler holes, and the plurality of muffler holes are distributed on the outer muffler plate body at intervals.
In one embodiment, the opening ratio of the outer muffler plate body is 0.6% -1.0%.
In one embodiment, the depth of the silencing cavity is 30 mm-50 mm.
In one embodiment, the ventilation noise reduction window further comprises a curtain box, the curtain box is arranged on one side, far away from the outer noise reduction plate, of the inner noise reduction plate, the curtain box comprises an outer shell, an inner shell and a filling body, the outer shell is covered on the inner shell, the extending direction of the outer shell is identical to that of the air channel, the outer shell is used for being connected with the inner wall of the installation cavity, and the filling body is arranged in the inner shell and is connected with the inner shell.
Compared with the prior art, the invention has at least the following advantages:
1. In the ventilation noise reduction window, the dislocation arrangement of the inner window and the outer window is utilized, namely, the dislocation arrangement of the fixed window and the inner window is utilized, when the turnover window is opened, the noise of the external environment is transmitted into the inner window from the turnover window, the noise of the external environment is reduced by the inner window, the wind of the external environment enters the space-avoiding area from the turnover window and then enters the room through the air channel, and the noise reduction and ventilation of the ventilation noise reduction window are realized by utilizing the two-layer structure of the inner window and the outer window;
2. In the ventilation noise reduction window, the turnover window and the inner window are correspondingly arranged, and the fixed window and the inner window form an air channel, namely the width of the turnover window is smaller than that of the inner window, noise of the external environment transmitted from the turnover window can be transmitted to the inner window, the inner window effectively reduces the noise of the external environment through the outer noise reduction plate body and the inner noise reduction plate body which are arranged in parallel, and the noise reduction cavity formed between the outer noise reduction plate body and the inner noise reduction plate body, so that the noise of the external environment transmitted from the air channel to the indoor is effectively reduced, and the ventilation noise reduction window has better attenuation effect especially for middle-low frequency and middle-frequency noise;
3. In the ventilation noise reduction window, the turnover window and the fixed window are connected in parallel to form the outer window, so that part of the outer window can be opened, the ventilation effect of the ventilation noise reduction window is realized, the ventilation flow limiting point of the ventilation noise reduction window is an air channel, and the inner window has a better weakening effect on noise of the external environment transmitted from the turnover window, so that a noise reduction structure is not required to be arranged in the air channel, further the current limiting effect on wind at the ventilation flow limiting point is avoided, and the ventilation effect of the ventilation noise reduction window is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a ventilation noise reduction window in accordance with an embodiment of the present invention;
FIG. 2 is another cross-sectional view of a ventilation noise reduction window in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged view of the ventilation noise reduction window of FIG. 1 at A;
FIG. 4 is a cross-sectional view of the ventilation noise reduction window of FIG. 1 taken along line B-B;
FIG. 5 is a schematic view of the ventilation noise reduction window of FIG. 4 in another state;
FIG. 6 is a schematic view of the ventilation noise reduction window of FIG. 4 in yet another state;
Fig. 7 is a graph of sound absorption coefficients of the ventilation noise reduction window at different peak sound absorption frequencies of 1/3 times frequency bands, and fig. 8 is another graph of sound absorption coefficients of the ventilation noise reduction window at different peak sound absorption frequencies of 1/3 times frequency bands.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a ventilation noise reduction window which is arranged in a mounting cavity of a wall body and is connected with the inner wall of the mounting cavity. The ventilation noise reduction window includes an outer window and an inner window. The periphery of the outer window is used for being connected with the inner wall of the installation cavity, the outer window comprises a turnover window and a fixed window which are connected with each other, and the turnover window and the fixed window are arranged side by side. The inner window is used for being connected with the inner wall of the installation cavity, the inner window corresponds to the turnover window, the inner window part corresponds to the fixed window, an air channel is formed between the fixed window and the inner window and is communicated with the clearance area, the inner window comprises a connecting frame body, an outer silencing plate body and an inner silencing plate body, the connecting frame body is used for being movably connected with the inner wall of the installation cavity, the periphery of the outer silencing plate body and the periphery of the inner silencing plate body are connected with the connecting frame body, the outer silencing plate body and the inner silencing plate body are oppositely arranged, a silencing cavity is formed between the outer silencing plate body and the inner silencing plate body, and the silencing cavity is communicated with the clearance area.
In the ventilation noise reduction window, the dislocation arrangement of the inner window and the outer window is utilized, namely, the dislocation arrangement of the turnover window, the fixed window and the inner window is utilized, under the state that the turnover window is opened, the noise of the external environment is transmitted to the inner window from the turnover window, the noise of the external environment is reduced by the inner window, the wind of the external environment enters the space avoidance area from the turnover window, the wind enters the room through the air channel, and the noise reduction and ventilation of the ventilation noise reduction window are realized by utilizing the two-layer structure of the inner window and the outer window. The turnover window is arranged corresponding to the inner window, the fixed window and the inner window form an air channel, namely, the width of the turnover window is smaller than that of the inner window, noise of the external environment transmitted from the turnover window is transmitted to the inner window, the inner window effectively weakens the noise of the external environment through the outer silencing plate body and the inner silencing plate body which are arranged in parallel, and the silencing cavity formed between the outer silencing plate body and the inner silencing plate body, so that the noise of the external environment transmitted from the air channel to the indoor environment is effectively weakened, and particularly, the noise of the medium frequency (80 Hz-160 Hz) and the low frequency (160 Hz-1250 Hz) is better weakened. And the turnover window is connected with the fixed window in parallel to form an outer window, so that part of the outer window can be opened, the ventilation effect of the ventilation noise reduction window is realized, the ventilation flow limiting point of the ventilation noise reduction window is an air channel, and the noise of the external environment transmitted from the turnover window is well weakened by the inner window, so that the noise reduction structure is not required to be arranged in the air channel, the further flow limiting effect on wind at the ventilation flow limiting point is avoided, and the ventilation effect of the ventilation noise reduction window is improved.
Referring to fig. 1, in order to better understand the ventilation noise reduction window 10 of the present application, the ventilation noise reduction window 10 of the present application is further explained and illustrated below, and an embodiment of the ventilation noise reduction window 10 includes an outer window 100 and an inner window 200. Referring to fig. 2 and 4 together, the outer window 100 has a periphery for connecting with the inner wall of the installation cavity 20, and the outer window 100 includes a turnover window 110 and a fixing window 120 connected to each other, the turnover window 110 being disposed side by side with the fixing window 120. The space-avoiding area 300 is formed between the inner window 200 and the outer window 100, the inner window 200 is connected with the inner wall of the installation cavity 20 by the turnover window 110, an air channel 400 is formed between the fixed window 120 and the inner window 200, the air channel 400 is communicated with the space-avoiding area 300, the inner window 200 comprises a connecting frame 220, an outer silencing plate 230 and an inner silencing plate 240, the connecting frame 220 is movably connected with the inner wall of the installation cavity 20, the periphery of the outer silencing plate 230 and the periphery of the inner silencing plate 240 are both connected with the connecting frame 220, the outer silencing plate 230 and the inner silencing plate 240 are oppositely arranged, a silencing cavity is formed between the outer silencing plate 230 and the inner silencing plate 240, and the silencing cavity 250 is communicated with the space-avoiding area 300.
It can be understood that the ventilation noise reduction window 10 is installed in the installation cavity 20 of the wall body, the installation cavity 20 is actually a through hole formed in the wall body, and the installation cavity 20 is respectively communicated with the indoor space and the outdoor space so as to achieve the ventilation effect. In the ventilation noise reduction window 10, the turnover window 110 is connected with the fixed window 120 in parallel to form the outer window 100, the periphery of the outer window 100 is connected with the inner wall of the installation cavity 20, it can be understood that the outer window 100 separates the installation cavity 20 to form two parts, one part is communicated with the indoor space, the other part is communicated with the outdoor space, the inner window 200 and the turnover window 110 are arranged on the same inner wall of the installation cavity 20, it is described that the inner window 200 does not separate the installation cavity 20, and the inner window 200 and the fixed window 120 are arranged in a staggered manner to form the air channel 400. The moving assembly 210 of the inner window 200 is connected with the connecting frame 220, so that the inner window 200 can move, when the turnover window 110 needs to be opened or closed, the inner window 200 can be opened or closed after being moved, the convenience of opening or closing the turnover window 110 is improved, the outward opening of the turnover window 110 is realized, and the problem that the indoor space is occupied when the turnover window 110 is opened or closed is avoided. The periphery of the outer muffler plate body 230 and the periphery of the inner muffler plate body 240 are connected with the connection frame body 220, the connection frame body 220 reduces the gap between the outer muffler plate body 230 or the inner muffler plate body 240 and the inner wall of the installation cavity 20 or the moving assembly 210, reduces the noise transmission of the external environment at the gap, and further improves the noise reduction effect of the ventilation noise reduction window 10. The outer noise elimination plate body 230 and the inner noise elimination plate body 240 have better noise reduction effect, and the noise elimination cavity 250 is formed between the outer noise elimination plate body 230 and the inner noise elimination plate body 240, the noise elimination cavity 250 has better attenuation effect on noise of the external environment, namely the inner window 200 has better noise reduction effect, the noise reduction structure is prevented from being arranged in the air channel 400, further the current limiting effect on wind is prevented from being generated at the ventilation current limiting point, and the ventilation effect of the ventilation noise reduction window 10 is improved.
The ventilation noise reduction window 10 utilizes the dislocation arrangement of the inner window 200 and the outer window 100, that is, the dislocation arrangement of the fixed window 120 and the inner window 200, in the state that the turnover window 110 is opened, the noise of the external environment is transmitted to the inner window 200 from the turnover window 110, the noise of the external environment is reduced by the inner window 200, the wind of the external environment enters the avoidance zone 300 from the turnover window 110, and then enters the room through the air channel 400, and the noise reduction and ventilation of the ventilation noise reduction window 10 are realized by utilizing the two-layer structure of the inner window 200 and the outer window 100. The turnover window 110 and the inner window 200 are correspondingly arranged, the fixed window 120 and the inner window 200 form an air channel 400, namely, the width of the turnover window 110 is smaller than that of the inner window 200, noise of the external environment transmitted from the turnover window 110 is transmitted to the inner window 200, the inner window 200 effectively weakens the noise of the external environment through the outer silencing plate body 230 and the inner silencing plate body 240 which are arranged in parallel, and the silencing cavity 250 is formed between the outer silencing plate body 230 and the inner silencing plate body 240, so that the noise of the external environment transmitted from the air channel 400 into a room is effectively weakened, particularly, the noise of the internal environment is better weakened for middle-low frequency and middle-frequency noise, and most of the noise of the external environment belongs to the noise of the middle-low frequency and middle-frequency noise, so that most of the noise of the external environment is absorbed through the noise reduction window 10, and the noise of the external environment is better targeted absorption. And the turnover window 110 is connected with the fixed window 120 in parallel to form the outer window 100, so that part of the outer window 100 can be opened, the ventilation effect of the ventilation noise reduction window 10 is realized, the ventilation flow limiting point of the ventilation noise reduction window 10 is the air channel 400, and the inner window 200 has a better weakening effect on the noise of the external environment transmitted from the turnover window 110, so that the noise reduction structure is not required to be arranged in the air channel 400, further the current limiting effect on wind at the ventilation flow limiting point is avoided, and the ventilation effect of the ventilation noise reduction window 10 is improved.
It should be noted that the ventilation noise reduction window 10 is mainly used to absorb the sound energy of middle and low frequency and middle frequency, and absorb the sound energy in front of the outer window and the inner window, so as to reduce the reverberation time without interfering with the transparency and the spatial feeling of the room. Acoustic energy propagating from the outdoor to the indoor is attenuated in front of the openable outer window of the ventilation noise reduction window 10, maintaining transparency and natural ventilation. Additional ventilation is provided for the indoor at the opening of the building exterior wall while reducing noise transmission outdoors.
Referring to fig. 4, 5 and 6, in one embodiment, the turnover window 110 is a double-opening/closing turnover window, in this embodiment, the turnover window 110 is connected with the fixed window 120 through a hinge, and the turnover window 110 is connected with the inner wall of the installation cavity 20 through the hinge, so as to realize opening and closing of the turnover window 110. It should be noted that fig. 4, fig. 5, and fig. 6 are schematic structural views of the window 110 in different open states.
To ensure structural strength of the ventilation noise reduction window 10 and to improve noise reduction effect of the ventilation noise reduction window 10, in one embodiment, the outer noise damping plate body 230 is a PMMA noise damping plate, structural strength of the ventilation noise reduction window 10 is ensured, and noise reduction effect of the ventilation noise reduction window 10 is improved.
The PMMA muffler plate is a polymethyl methacrylate muffler plate.
To ensure structural strength of the ventilation noise reduction window 10 and to enhance noise reduction effect of the ventilation noise reduction window 10, in one embodiment, the inner noise damping plate body 240 is a noise damping glass plate, which ensures structural strength of the ventilation noise reduction window 10 and enhances noise reduction effect of the ventilation noise reduction window 10.
In order to improve the effect of reducing the noise of the ventilation noise reduction window 10 to the external environment, in one embodiment, the thickness of the inner noise reduction plate 240 is 5 mm-10 mm, so that the noise reduction effect of the inner noise reduction plate 240 is effectively improved, and the effect of reducing the noise of the ventilation noise reduction window 10 to the external environment is further effectively improved.
In one embodiment, the thickness of the outer muffler plate 230 is 1.0 mm-3.0 mm, so that the noise reduction effect of the outer muffler plate 230 is effectively improved, and the noise reduction effect of the ventilation noise reduction window 10 on the external environment is further effectively improved.
Referring to fig. 1 and 2 together, in one embodiment, the fixing window 120 includes a mounting frame 121 and at least two layers of silencing glass 122, the mounting frame 121 is disposed in the mounting cavity 20, the mounting frame 121 is used for being connected to an inner wall of the mounting cavity 20, each silencing glass 122 is disposed correspondingly, and each silencing glass 122 is disposed in the mounting frame 121 and connected to the mounting frame 121. It can be understood that the installation frame 121 fixes the noise reduction glass 122 in the installation cavity 20, so that the installation stability of the noise reduction glass 122 is improved, and further, the structural stability of the ventilation noise reduction window 10 is improved, and the installation frame 121 fills up the gap between the noise reduction glass 122 and the inner wall of the installation cavity 20, so that the noise of the external environment is prevented from being transmitted from the gap, and further, the noise reduction effect of the ventilation noise reduction window 10 is enhanced. The at least two layers of the noise reduction glass 122 block the noise of the external environment on at least two layers, and the cavity formed between the at least two layers of the noise reduction glass 122 is also beneficial to weakening the noise of the external environment, so that the fixed window 120 comprises the at least two layers of the noise reduction glass 122, the noise reduction effect of the fixed window 120 on the noise of the external environment is effectively improved, the noise reduction glass 122 is in a transparent state, and light cannot be blocked. In this embodiment, the silencing glasses 122 are disposed parallel to each other, so that the occupied space of the fixed window 120 is reduced, and the volume of the noise reduction window is further reduced.
In one embodiment, the mounting frame 121 is an aluminum mounting frame 121, and the connection stability of the noise reduction glass 122 is achieved.
In one embodiment, the mounting frame 121 is an adhesive mounting frame 121, so as to realize the connection stability of the noise reduction glass 122.
In one embodiment, a sealing structure is provided at the connection between the mounting frame 121 and the sound deadening glass 122, so that the noise of the external environment is further reduced.
Referring to fig. 4, in one embodiment, the air channel 400 includes an air inlet 410 and an air outlet 420, wherein the air inlet 410 communicates with the keep-out area 300, and the air outlet 420 communicates with the room, thereby realizing ventilation of wind in the air channel 400.
Referring to fig. 1 and fig. 2 together, in one embodiment, the connection frame 220 includes a fastening frame 221 and a silencing filling body 222, the fastening frame 221 is movably connected with an inner wall of the installation cavity 20, the periphery of the outer silencing plate 230 and the periphery of the inner silencing plate 240 are both tightly connected with the fastening frame 221, the fastening frame 221 is provided with a first cavity 2211, and the silencing filling body is disposed in the first cavity.
Referring to fig. 1 and fig. 2 together, in one embodiment, the fastening frame 221 further includes a second cavity 2212, and the first cavity 2211 is disposed between the sound attenuation cavity 250 and the second cavity 2212. It can be appreciated that the connection frame 220 is disposed between the outer muffler plate 230 and the moving assembly 210 or the inner muffler plate 240 and the moving assembly 210, so that noise of an external environment in a room is effectively reduced from a gap between the outer muffler plate 230 and the moving assembly 210 or between the inner muffler plate 240 and the moving assembly 210, and the fastening frame 221 of the connection frame 220 is provided with the first cavity 2211 or the second cavity 2212, when the noise of the external environment enters the first cavity 2211 and the second cavity 2212, the noise of the external environment is effectively reduced by a resistive noise reducing manner, and the noise of the external environment is further reduced by the noise reducing filler 222 by a resistive noise reducing manner. The fastening frame 221 also has a reinforcing rib function, and improves the structural strength of the inner window 200.
In one embodiment, the fastening frame 221 is an aluminum frame, which ensures structural strength of the ventilation noise reduction window 10 and improves noise reduction effect of the ventilation noise reduction window 10.
In one embodiment, the noise reduction filler 222 is made of at least one of foam, glass fiber and rock wool, which improves the noise reduction effect of the ventilation noise reduction window 10.
Referring to fig. 1,2 and 3, in one embodiment, the inner window 200 further includes a moving assembly 210. The moving assembly 210 includes a fixed frame 211 and a sliding assembly 212, a sliding groove 2111 is formed in an inner wall of the fixed frame 211, an extending direction of the sliding groove 2111 is the same as an extending direction of the air channel 400, the sliding assembly 212 is disposed on the sliding groove 2111 and movably connected with the fixed frame 211, and the sliding assembly 212 is connected with the connecting frame 220. It can be appreciated that the moving assembly 210 realizes the movement of the inner window 200, and the extending direction of the chute 2111 is the same as the extending direction of the air channel 400, so that the inner window 200 can move left and right relative to the turnover window 110, and the turnover window 110 can be opened or closed indoors, when the turnover window 110 needs to be opened or closed, the inner window 200 is moved and then the turnover window 110 can be opened or closed, thereby improving the convenience of opening or closing the turnover window 110, realizing the outward opening of the turnover window 110, and avoiding the problem of occupying indoor space when the turnover window 110 is opened or closed.
In one embodiment, two sliding grooves 2111 are formed on the fixing frame 211, the sliding grooves 2111 are respectively located at two ends of the inner muffler plate 240, and the extending direction of each sliding groove 2111 is the same as the extending direction of the air channel 400.
In one embodiment, the number of the sliding assemblies 212 is two, the sliding assemblies 212 are respectively disposed at two ends of the inner muffler plate 240 and slidably connected to the fixing frame 211, and each sliding assembly 212 is disposed in a one-to-one correspondence with each sliding slot 2111. It will be appreciated that the two sliding assemblies 212 are disposed on the two sliding grooves 2111 in a one-to-one correspondence, which improves the smoothness of movement of the inner window 200, and further improves the convenience of opening or closing the roll-over window 110.
In one embodiment, the fixing frame 211 is an aluminum fixing frame 211 or a hardware fixing frame 211, which ensures the structural strength of the ventilation noise reduction window 10 and improves the noise reduction effect of the ventilation noise reduction window 10.
Referring to fig. 2 and 3 together, in one embodiment, the sliding assembly 212 includes a connecting rod 2121 and a pulley 2122, the pulley 2122 is disposed on the chute 2111, and the pulley 2122 is connected to the connecting frame 220 through the connecting rod 2121, so as to ensure the mobility of the inner window 200, further improve the convenience of opening or closing the turnover window 110, realize the outward opening of the turnover window 110, and avoid the problem of occupying the indoor space when the turnover window 110 is opened or closed.
In one embodiment, the length of the air channel 400 is ≡100mm. It can be understood that the too small length of the air channel 400 can cause the noise of the external environment transmitted from the side to directly enter the room from the air channel 400, but the noise reduction requirement cannot be met, so that the length of the air channel 400 is more than or equal to 100mm, the problem that the noise of the external environment transmitted from the side directly enters the room from the air channel 400 is avoided, and the noise reduction effect of the ventilation noise reduction window 10 is ensured. However, the length of the air channel 400 is too long, which affects the entry of wind and the ventilation effect, so that the length of the air channel 400 is 100 mm-120 mm.
The air passage 400 is a passage formed between the inner window 200 and the corresponding portion of the fixed window 120, the air passage 400 communicates with the keep-out area 300 through the air flow inlet 410, and the air passage 400 communicates with the room through the air flow outlet 420. If the length or depth of the air passage 400 is mentioned, the relative distance between the corresponding portions of the inner window 200 and the fixed window 120, i.e., the width of the overlapping portion of the inner window 200 and the fixed window 120 is defined.
In one embodiment, the distance between the surface of the outer window 100 and the surface of the inner window 200 is 100 mm-175 mm. It can be understood that the space-avoiding area 300 and the air channel 400 formed on the surface of the outer window 100 and the surface of the inner window 200 have a certain attenuation effect on the noise of the external environment in a resistance silencing manner, when the distance between the surface of the outer window 100 and the surface of the inner window 200 is 100 mm-175 mm, the space-avoiding area 300 and the air channel 400 have a better attenuation effect on the noise of the external environment, when the distance between the surface of the outer window 100 and the surface of the inner window 200 is 100 mm-175 mm, the air channel 400 has a better ventilation effect, and when the air quantity is large, the regeneration noise is not easy to generate at the air channel 400.
In one embodiment, the outer muffler plate 230 is provided with a plurality of muffler holes 231, and the plurality of muffler holes 231 are distributed on the outer muffler plate 230 at intervals. It can be understood that the outer muffler plate body 230 is provided with the plurality of muffler holes 231, so that the outer muffler plate body 230 can reduce noise of the external environment through the resistive muffler mode, and can reduce noise of the external environment through the micro-hole muffler mode, thereby further improving the noise reduction effect of the ventilation noise reduction window 10 on the external environment, further avoiding the problem that the noise reduction structure needs to be arranged in the air channel 400, and ensuring the ventilation effect of the air channel 400. In the present embodiment, the plurality of muffler holes 231 are distributed in an array on the outer muffler plate body 230.
In one embodiment, the aperture ratio of the outer muffler plate body 230 is 0.6% -1.0%, so that the noise reduction effect of the outer muffler plate body 230 is effectively improved, and the noise reduction effect of the ventilation noise reduction window 10 on the external environment is further effectively improved.
In one embodiment, the sound deadening chamber 250 has a depth of 30mm to 50mm. It will be appreciated that in order to reduce the footprint of the ventilation noise reduction window 10, the depth of the sound attenuation chamber is further reduced, but the sound absorption coefficient of low frequency noise below 400Hz is typically less than 0.5 for sound attenuation chambers less than or equal to 50mm. Therefore, under the limitation of the depth of the sound-deadening cavity 250, the low-frequency sound absorber is greatly required in development, so that the depth of the sound-deadening cavity 250 is matched with the aperture and the opening ratio of the sound-deadening hole 231 and the thickness of the outer sound-deadening plate body 230 with the sound-deadening hole 231 to realize the good sound-deadening effect of the ventilation noise-deadening window 10 on low-frequency noise, specifically, the aperture of the sound-deadening hole 231 is 0.1 mm-1.0 mm, the opening ratio of the outer sound-deadening plate body 230 is 0.6% -1.0%, the thickness of the outer sound-deadening plate body 230 is 1.0 mm-3.0 mm, and the depth of the sound-deadening cavity 250 is 30 mm-50 mm, thereby effectively improving the low-frequency sound-deadening effect of the ventilation noise-deadening window 10.
In one embodiment, when the aperture of the sound-deadening hole 231 is 0.1 mm-1.0 mm, the ventilation noise-reducing window 10 has a better low-frequency sound-deadening effect, and it can be understood that the sound-deadening effect depends on the aperture, the aperture ratio of the sound-deadening hole 231, the thickness of the outer sound-deadening plate body 230 with the sound-deadening hole 231 and the depth of the sound-deadening cavity 250, so that the aperture of the sound-deadening hole 231 is 0.1 mm-1.0 mm, the aperture ratio of the outer sound-deadening plate body 230 is 0.6% -1.0%, the thickness of the outer sound-deadening plate body 230 is 1.0 mm-3.0 mm and the depth of the sound-deadening cavity 250 is 30 mm-50 mm, so that the ventilation noise-reducing window 10 has a better sound-deadening effect on low-frequency noise, and the low-frequency sound-deadening effect of the ventilation noise-reducing window 10 is effectively improved.
Referring to fig. 1, in one embodiment, the ventilation noise reduction window 10 further includes a curtain box 500, the curtain box 500 is disposed on a side of the inner muffler plate 240 away from the outer muffler plate 230, the curtain box 500 includes an outer shell 510, an inner shell 520 and a filler 530, the outer shell 510 is covered on the inner shell 520, and the extending direction of the outer shell 510 is the same as the extending direction of the air channel 400, the outer shell 510 is used for being connected with the inner wall of the installation cavity 20, and the filler 530 is disposed in the inner shell 520 and connected with the inner shell 520. It will be appreciated that the function of the box 500 is to assist in setting up the window covering and to enhance the noise reduction effect of the ventilation noise reduction window 10, wherein the outer shell 510, the inner shell 520 and the filler 530 all have noise reduction effects, ensuring the noise reduction effect of the box 500. Specifically, at a higher floor, noise of the external environment is generally transmitted into the room from the lower side, so that an included angle is formed between the transmitted angle of the noise and the ventilation noise reduction window 10, at this time, due to the arrangement of the curtain box 500, further noise reduction processing is facilitated on the noise of the external environment transmitted from the lower side, the noise reduction effect of the ventilation noise reduction window 10 on the noise of the external environment is improved, the noise reduction effect of the ventilation noise reduction window 10 is further ensured, and at a lower floor, the curtain box 500 also has a certain noise reduction effect on the noise of the external environment transmitted horizontally or transmitted from the upper side.
In one embodiment, the housing 510 is an aluminum housing, which ensures structural strength of the ventilation noise reduction window 10 and improves noise reduction effect of the ventilation noise reduction window 10.
In one embodiment, the inner housing 520 is an inner fiber housing, further enhancing the noise reduction of the ventilation noise reduction window 10.
In one embodiment, the filler 530 is at least one of foam, fiberglass, and rock wool, which further improves the noise reduction effect of the ventilation noise reduction window 10.
It will be appreciated that the ventilation noise reduction window 10 of the present invention has better ventilation effect and noise reduction effect when used in normal weather conditions, but in the case of larger air volume and larger wind speed, regeneration noise is easily generated at the air channel 400 of the ventilation noise reduction window 10, the generation of regeneration noise greatly reduces the noise reduction effect of the ventilation noise reduction window 10, which has a larger influence on the user, therefore, on the premise of having a simpler layer structure of the ventilation noise reduction window 10 and not adding ventilation pipes, and not adding a noise reduction device at the ventilation place, the noise reduction effect of the ventilation noise reduction window 10 is ensured, the regeneration noise generated at the ventilation pipes needs to be reduced, and the main generation factor of the regeneration noise is air turbulence, therefore, referring to fig. 1 and 2 together, in one embodiment, the fixed window 120 further comprises a noise reduction member 123, the noise reduction member 123 is arranged between the inner wall of the installation cavity 20 and the installation frame body 121, the noise reduction member 123 comprises a noise reduction housing 1231, a plurality of resistance cavities 1232 are opened in the inside the noise reduction housing 1231, the volumes of each two resistance cavities 1232 are different, each resistance cavity 1232 has the same direction as the extension direction of the air channel 1232, and each direction of the air channel 400 is extended.
The noise reducing member 123 reduces the gap between the mounting frame 121 and the inner wall of the mounting cavity 20, reduces the noise transmission of the external environment, and improves the noise reducing effect of the ventilation noise reducing window 10, the multiple resistant cavities 1232 of the noise reducing member 123 reduce the noise generated by the air turbulence in a resistance noise reducing manner, the volumes of the resistant cavities 1232 are different, and are used for noise reduction of noise with different frequencies, and the extending direction of each resistant cavity 1232 is the same as the extending direction of the air channel 400, so that the air flow is not blocked, the ventilation effect of the ventilation noise reducing window 10 is ensured, and the noise reducing effect of the ventilation noise reducing window 10 is ensured.
In the ventilation noise reduction window 10 of the present invention, the noise reduction and ventilation of the ventilation noise reduction window 10 is achieved only by the two-layered structure of the inner window 200 and the outer window 100 without providing a noise reduction structure in the air passage 400 by the offset arrangement of the fixed window 120 and the inner window 200. It will be appreciated that if the inner window 200 cannot achieve a better attenuation effect on noise of the external environment, the noise reduction requirement of the ventilation noise reduction window 10 cannot be met by using the dislocation of the two layers of windows, so that the outer noise reduction plate body 230 and the inner noise reduction plate body 240 which are parallel to each other and the outer noise reduction plate body 230 and the inner noise reduction plate body 240 which are parallel to each other of the inner window 200 are combined, and a noise reduction cavity 250 with a depth of 30 mm-50 mm is formed between the outer noise reduction plate body 230 and the inner noise reduction plate body 240, firstly, the noise of the external environment is effectively attenuated, and then the air channel 400 is utilized to further attenuate the noise of the external environment, so that a better noise reduction effect is achieved, thereby avoiding the problem of noise reduction structure arranged in the air channel 400, further reducing the obstruction effect to the air flow, and achieving a better ventilation effect. However, when the air volume is large and the air speed is large, turbulence is easily generated when the air flows into the air channel 400, and then regenerative noise is generated, so that the noise reduction effect of the ventilation noise reduction window 10 cannot meet the requirement, therefore, the inner window 200 and the noise reduction member 123 are matched for use, noise of the external environment is subjected to noise reduction treatment through the inner window 200, the regenerative noise is subjected to noise reduction treatment through the air channel 400 and the plurality of resistance cavities 1232 of the noise reduction member 123, indoor noise is effectively reduced, the extending direction of each resistance cavity 1232 of the noise reduction member 123 is the same as the extending direction of the air channel 400, the air flow cannot be blocked, and the ventilation effect of the ventilation noise reduction window 10 is ensured.
Referring to fig. 1 and fig. 2 together, in one embodiment, the rounded corner transition between a side surface of the mounting frame 121 near the air channel 400 and a side surface of the mounting frame 121 near the turnover window 110 is beneficial to the passage of air flow, further reduces turbulence generated when the air flow passes through the air channel 400, further reduces regeneration noise, and further reduces indoor noise.
Referring to fig. 1 and fig. 2 together, in one embodiment, the connection between a side surface of the fastening frame 221 near the air channel 400 and a side surface of the fastening frame 221 near the air outlet 420 is rounded, which is beneficial to the passage of air flow, further reduces turbulence generated when air flow passes through the air channel 400, further reduces regeneration noise, and further reduces indoor noise.
In one embodiment, the noise reducing member 123 is an aluminum block, which ensures structural strength of the ventilation noise reducing window 10 and improves noise reducing effect of the ventilation noise reducing window 10.
It can be appreciated that in the inner window 200 of the ventilation noise reduction window 10, the problem that the connection tightness between the outer noise reduction plate 230 or the inner noise reduction plate 240 and the connection frame 220 is poor easily occurs, so that the noise reduction effect of the inner window 200 is greatly reduced, therefore, in one embodiment, the inner noise reduction plate 240 is penetrated through the noise reduction filling body 222 and connected with the fastening frame 221, and the side wall of the outer noise reduction plate 230 is connected with the side wall of the fastening frame 221, so that the connection tightness between the outer noise reduction plate 230 or the inner noise reduction plate 240 and the connection frame 220 is effectively improved, and the noise reduction effect of the inner window 200 is further effectively improved.
It will be appreciated that the inner window 200 plays a major role in reducing noise from the external environment, in order to better improve the noise reduction effect of the inner window 200 and reduce the influence of noise on households, in one embodiment, the inner window 200 further includes a noise reduction layer, the noise reduction layer is attached to the inner noise reduction plate 240 and is positioned in the noise reduction cavity, a plurality of bent deep cavities are formed in the noise reduction layer, and the deep cavities are communicated with the noise reduction cavity, so that the noise reduction effect of the inner window 200 is further improved, and the noise reduction effect of the ventilation noise reduction window 10 is further effectively improved.
Compared with the prior art, the invention has at least the following advantages:
1. In the ventilation noise reduction window 10 of the present invention, by using the dislocation arrangement of the inner window 200 and the outer window 100, that is, the dislocation arrangement of the fixed window 120 and the inner window 200, in the state that the turnover window 110 is opened, the noise of the external environment is transmitted to the inner window 200 from the turnover window 110, the noise of the external environment is reduced by the inner window 200, the wind of the external environment enters the keep-away area 300 from the turnover window 110, and then enters the room through the air channel 400, and the noise reduction and ventilation of the ventilation noise reduction window 10 are realized by using the two-layer structure of the inner window 200 and the outer window 100.
2. In the ventilation noise reduction window 10 of the present invention, the turnover window 110 is disposed corresponding to the inner window 200, and the fixed window 120 and the inner window 200 form the air channel 400, i.e., the width of the turnover window 110 is smaller than that of the inner window 200, the noise of the external environment introduced from the turnover window 110 is transmitted to the inner window 200 entirely, and the inner window 200 effectively reduces the noise of the external environment by the outer noise reduction plate 230 and the inner noise reduction plate 240 which are disposed in parallel, and the noise reduction cavity 250 formed between the outer noise reduction plate 230 and the inner noise reduction plate 240, thereby effectively reducing the noise of the external environment introduced from the air channel 400 into the room;
3. In the ventilation noise reduction window 10 of the present invention, the turnover window 110 and the fixed window 120 are connected in parallel to form the outer window 100, so that part of the outer window 100 can be opened, the ventilation effect of the ventilation noise reduction window 10 is realized, and the ventilation flow limiting point of the ventilation noise reduction window 10 is the air channel 400, because the inner window 200 has a better attenuation effect on the noise of the external environment transmitted from the turnover window 110, the noise reduction structure is not required to be arranged in the air channel 400, further the current limiting effect on wind generated at the ventilation flow limiting point is avoided, and the ventilation effect of the ventilation noise reduction window 10 is improved.
The following test was conducted on the sound absorption coefficient of the ventilation noise reduction window of the present invention.
Test group, the noise reduction cavity is respectively 30mm, 35mm, 40mm, 45mm and 50mm ventilation noise reduction window.
The test method comprises the step of respectively measuring the sound absorption coefficient of the ventilation noise reduction window under the condition that the peak sound absorption frequency of 1/3 times of the frequency band is 100 Hz-5 KHz by using a reverberation chamber method.
Test results the sound absorption coefficients of the ventilation noise reduction window at different peak sound absorption frequencies of 1/3 times frequency bands are shown in table 1, fig. 7 and fig. 8:
TABLE 1 Sound absorption coefficients of the Ventilation noise reduction Window at different 1/3 times the band peak Sound absorption frequencies
Conclusion of the test
As can be seen from table 1, fig. 7 and fig. 8, the ventilation noise reduction window of the present invention has a good sound absorption effect on middle and low frequency and intermediate frequency noise, especially intermediate frequency (160 hz to 1250 hz) noise. It can be understood that the noise of the intermediate frequency basically comprises most of the noise of the external environment, the human ear is most sensitive to the noise of the intermediate frequency, and the sound absorption coefficient of the ventilation noise reduction window to the noise of the intermediate frequency reaches more than 0.5, so that the ventilation noise reduction window has a good sound absorption effect.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A ventilation noise reduction window for installation in an installation cavity of a wall and connection with an inner wall of the installation cavity, the ventilation noise reduction window comprising:
The periphery of the outer window is connected with the inner wall of the mounting cavity, the outer window comprises a turnover window and a fixed window which are connected with each other, and the turnover window and the fixed window are arranged side by side;
The inner window is used for being connected with the inner wall of the installation cavity, the inner window is arranged corresponding to the turnover window, the inner window part is arranged corresponding to the fixed window, an air channel is formed between the fixed window and the inner window, the air channel is communicated with the empty space, the inner window comprises a connecting frame body, an outer silencing plate body and an inner silencing plate body, the connecting frame body is used for being movably connected with the inner wall of the installation cavity, the periphery of the outer silencing plate body and the periphery of the inner silencing plate body are connected with the connecting frame body, the outer silencing plate body and the inner silencing plate body are oppositely arranged, a silencing cavity is formed between the outer silencing plate body and the inner silencing plate body, and the silencing cavity is communicated with the empty space;
The fixed window and the inner window are arranged in a staggered mode, and the width of the overturning window is smaller than that of the inner window.
2. A ventilation noise reduction window according to claim 1, wherein the fixed window comprises a mounting frame and at least two layers of noise reduction glass, the mounting frame is disposed in the mounting cavity, the mounting frame is used for being connected with the inner wall of the mounting cavity, each noise reduction glass is disposed correspondingly, and each noise reduction glass is disposed in the mounting frame and connected with the mounting frame.
3. The ventilation noise reduction window according to claim 1, wherein the connection frame body comprises a fastening frame and a noise reduction filling body, the fastening frame is movably connected with the inner wall of the installation cavity, the periphery of the outer noise reduction plate body and the periphery of the inner noise reduction plate body are tightly connected with the fastening frame, the fastening frame is provided with a first cavity, and the noise reduction filling body is arranged in the first cavity.
4. The ventilation noise reduction window according to claim 1, wherein the inner window further comprises a moving assembly, the moving assembly comprises a fixed frame and a sliding assembly, a sliding groove is formed in the inner wall of the fixed frame, the extending direction of the sliding groove is the same as that of the air channel, the sliding assembly is arranged on the sliding groove and movably connected with the fixed frame, and the sliding assembly is connected with the connecting frame.
5. A ventilation noise reduction window according to claim 1, wherein the length of the air passage is ≡100mm.
6. A ventilation noise reduction window according to claim 1, wherein the inner window is arranged parallel to the outer window, and the distance between the outer window surface and the inner window surface is 100mm to 175mm.
7. A ventilation noise reduction window according to claim 1, wherein a plurality of noise elimination holes are formed in the outer noise elimination plate body, and the noise elimination holes are distributed on the outer noise elimination plate body at intervals.
8. A ventilation noise reduction window according to claim 7, wherein the opening ratio of the outer muffler plate body is 0.6% -1.0%.
9. A ventilation noise reduction window according to claim 1, wherein the depth of the sound attenuation cavity is 30mm to 50mm.
10. The ventilation noise reduction window according to any one of claims 1 to 9, further comprising a curtain box, wherein the curtain box is disposed on a side, away from the outer noise reduction plate, of the inner noise reduction plate, the curtain box comprises an outer shell, an inner shell and a filler, the outer shell is covered on the inner shell, the extending direction of the outer shell is the same as the extending direction of the air channel, the outer shell is used for being connected with an inner wall of the installation cavity, and the filler is disposed in the inner shell and is connected with the inner shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228820.8A CN112177508B (en) | 2020-11-06 | 2020-11-06 | Ventilation and noise reduction windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228820.8A CN112177508B (en) | 2020-11-06 | 2020-11-06 | Ventilation and noise reduction windows |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112177508A CN112177508A (en) | 2021-01-05 |
| CN112177508B true CN112177508B (en) | 2025-01-07 |
Family
ID=73917664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011228820.8A Active CN112177508B (en) | 2020-11-06 | 2020-11-06 | Ventilation and noise reduction windows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112177508B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492506B (en) * | 2022-08-31 | 2024-11-01 | 复旦大学 | Foldable silencing ventilating window structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214145291U (en) * | 2020-11-06 | 2021-09-07 | 盈普声学（惠州）有限公司 | Ventilation noise reduction window |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2726252A1 (en) * | 1977-06-10 | 1978-12-21 | Eberspaecher J | ARRANGEMENT FOR SOUND INSULATION IN BUILDINGS |
| CN1482341A (en) * | 2003-06-19 | 2004-03-17 | 上海交通大学 | Fully light-transmitting ventilation and sound-absorbing windows |
| CN201031585Y (en) * | 2007-04-20 | 2008-03-05 | 钟超英 | Noise and bypassing charging air type environment protection ventilated sound deadening window |
| CN102146766A (en) * | 2011-02-17 | 2011-08-10 | 南京大学 | Discrete type active noise-reducing, ventilating and sound-insulating window |
| CN110230276A (en) * | 2019-07-17 | 2019-09-13 | 盈普声学（惠州）有限公司 | A kind of transparent ventilating noise silencer |
-
2020
- 2020-11-06 CN CN202011228820.8A patent/CN112177508B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214145291U (en) * | 2020-11-06 | 2021-09-07 | 盈普声学（惠州）有限公司 | Ventilation noise reduction window |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112177508A (en) | 2021-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7562743B2 (en) | Acoustical window and door covering | |
| CN110230276A (en) | A kind of transparent ventilating noise silencer | |
| CN102146766A (en) | Discrete type active noise-reducing, ventilating and sound-insulating window | |
| CN109138212B (en) | Villa noise reduction system | |
| CN203796129U (en) | Ventilation sound-proof window | |
| CN214145291U (en) | Ventilation noise reduction window | |
| CN204627362U (en) | A kind of ventilating noise-elimination unit board | |
| CN210658083U (en) | Transparent ventilation noise eliminator | |
| CN112177508A (en) | Ventilation noise reduction window | |
| CN204024395U (en) | Many sound effects ventilated and soundproof window | |
| CN207944865U (en) | A kind of noise elimination vent window | |
| CN112227897A (en) | Glass assembly with good sound insulation effect | |
| CN100427718C (en) | ventilation sound insulation window | |
| JP2009243078A (en) | Sound insulation door | |
| CN209129742U (en) | A kind of container-type low-noise generator group | |
| CN222162433U (en) | Sound insulation window with double-layer sound insulation glass | |
| CN2584777Y (en) | Double-glazing with ventilation and sound-proof function | |
| CN222045532U (en) | A soundproof double-layer window structure | |
| CN223838959U (en) | Toughened glass with hollow sound insulation | |
| CN221703583U (en) | A door core resonance sound insulation hollow cavity | |
| HK40012115A (en) | Transparent ventilation silencing device | |
| CN216641929U (en) | Sound insulation and noise reduction aluminum alloy door and window profiles | |
| CN220469730U (en) | Natural ventilation sound insulation window | |
| CN214365773U (en) | Intelligent door and window that sound insulation performance is good | |
| CN223780997U (en) | Silencer plate and soundproof house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |