CN1710239A

CN1710239A - Ventilating sound-proof window

Info

Publication number: CN1710239A
Application number: CN 200510085005
Authority: CN
Inventors: 贾猛虎; 燕翔
Original assignee: Tsinghua University
Current assignee: Tsinghua University
Priority date: 2005-07-19
Filing date: 2005-07-19
Publication date: 2005-12-21
Anticipated expiration: 2025-07-19
Also published as: CN100427718C

Abstract

The invention relates to breathing sound insulation window which consists of two window frames, center stem dividing each window, and inner, outer window installed between the frame and the center stem, featuring that: it includes a primary sound insulation channel set at the bottom of the two frames, the air inlet port of the primary sound insulation channel is set widthwisely on out side, and the air outlet port at inner side between the two frames, the air inlet port is set with a sealing block, a sound insulation channel is formed by sound insulation plate between the two air port; a secondary sound insulation channel sealing connected between the middle stem of the two frames with the air inlet port set at the bottom and the outlet port at the top, between the inlet and outlet port a reverse sound insulation channel is formed with baffle plates; outer winder of which the upper part is fixed glass window, and the lower parts glass back-shutter; inner glass window of which the upper parts is glass back-shutter and the lower parts a double sliding open window. The invention is of remarkable sound insulation effects and can be widely applied to various buildings.

Description

A kind of ventilated and soundproof window

Technical field

The present invention relates to a kind of sound proof window, particularly about a kind of ventilated and soundproof window.

Background technology

At present, urban traffic noise has become the main cause of environment pollution, because traffic noise sound source more complicated, difficulty of governance is very big, does not almost still have effective solution in some aspects so far.Urban traffic noise comprises the noise that highway, railway, subway, airport etc. produce, administer traffic noise and can adopt noise barrier, barrier has effect preferably to the low-rise building noise reduction, building effect more than six layers is relatively poor, the noise nuisance maximum is usually all about in the of ten layers, in China's big and medium-sized cities highway, railway, subway major part along the line all is again high-rise building, and therefore the barrier sound insulation factor adopts barrier to administer its effect of traffic noise and remains in certain problem generally all at 10～15dB.Adopting sound proof window to administer traffic noise is a kind of method preferably, particularly apparent in view at the highway noise effect.But compatriots have the custom of windowing and ventilating, and government changes sound proof window in order to administer the noise investment for resident along the line, resident's still have complaints " open a window and disturb by making noise in the dust, shut the window and suppress in the dust ".In addition, though the shared proportion in market is administered not quite at urban traffic noise in railway, airport,, railway, airport noise surpass 80～90dB, it is very big that noise energy concentrates on the following difficulty of governance of low frequency 250Hz, brings very for the life that reaches the surrounding area resident along the line and seriously influence.

Summary of the invention

At the problems referred to above, the purpose of this invention is to provide a kind of not only sound insulation but also ventilate, and have a kind of ventilated and soundproof window of depositing dust effect.

For achieving the above object, the present invention takes following technical scheme: a kind of ventilated and soundproof window, it is included in two window frames of installing in the window opening, described each window frame is separated into, in down two-part very and be installed in described window frame and between very in, outer layer glass window, it is characterized in that: it also comprises one first noise elimination passage, it is arranged on the bottom of described two window frames, the air inlet port of the described first noise elimination passage is horizontally installed on an outdoor side, the gas outlet laterally upwards is arranged between described two window frames, described air inlet port is provided with an openable sealing block, describedly advances, between the gas outlet by the noise elimination dividing plate every being set as rotating noise elimination path; One second noise elimination passage, its be sealedly connected on described two window frames in very between, the air inlet port of the described second noise elimination passage is horizontally installed on the bottom, the gas outlet is horizontally installed on the top, between the described inlet, outlet by the noise elimination dividing plate every being set as the noise elimination path of turning back; Described outside window glass, wherein very top is fixed-pane window, in very the bottom be glass louvre; Glass window in described, wherein very top is glass louvre, in very the bottom be two inner-opening type casement windows.

Described noise elimination dividing plate and noise elimination passage adopt steel plate, konilite plate and glass wool to make every sound absorption material.

The top of described sealing block is provided with a rain cover.

Be provided with the soft seal bar of mutual sealing between described each glass louvre.

Described soft seal bar comprises by the standing part of the connection glass louvre soft, that hard PVC material co-extrusion is shaped and the bracketed part that is used to seal.

Described sealing block is connected on the housing of the described first noise elimination passage by hinge and magnetic sealing strip.

The described first noise elimination channel bottom is provided with a pull drawer that is used for ash discharge.

The present invention is owing to take above technical scheme, it has the following advantages: 1, since the bottom and the middle part of double window be provided with twice noise elimination passage, therefore under the situation of not opening outdoor window, can enter fresh air by the noise elimination passage air inlet port of bottom, after one section noise elimination, the noise elimination passage by the middle part carries out two sections noise eliminations again, again in the inlet chamber, can ventilation thereby both realized, can have the goal of the invention of high sound insulation factor again; After tested, this kind user mode of the present invention can reach the effect of 35 decibels of sound insulation, reaches the effect of three grades of sound proof windows.2, the invention solves the low-frequency resonance low ebb phenomenon that ordinary insulating glass exists, this is the weak frequency band of book in the sound insulation of common sound proof window, the present invention has improved 15dB to low-frequency resonance low ebb frequency band sound insulation factor, and reach more than the 30dB, this can bring about tangible results for improvement railway, airport noise.3, the present invention utilizes the position of two noise elimination passages to be provided with and the interior setting every sound absorption material of noise elimination passage, not only make noise in effective attenuation under the effect of sound absorption material, and make the effectively landing in airflow collision and volumetric change of airborne coarse granule dust, thereby play the effect of dedusting.4, the present invention is provided with the pull drawer of control of dust in the first noise elimination passage of bottom, therefore can clear up dust easily; And the second noise elimination passage at corresponding middle part exports and is arranged on top because import is arranged on the bottom, therefore can clear up by the blowback or the dust catcher of air-flow, and removes dust stratification easily.5, the present invention has all used glass louvre in interior outside window glass, and the soft seal bar has been installed on glass louvre, when glass louvre is closed, it not only has good translucent effect, and sealing effectiveness is good especially, glass is divided into fine strip shape simultaneously, has increased damping characteristic, has improved sound insulation property; After tested, the present invention is under totally enclosed user mode, and defening effect can reach 44 decibels, reaches the upper limit of existing sound proof window sound insulation factor substantially.6, the present invention with the second noise elimination passage hide be arranged on window in very between, not only do not influence the forms outward appearance, and be not exposed to outdoor, long service life.7, the present invention is provided with the sealing block of installing by hinge and magnetic sealing strip in the import of the first noise elimination passage; and rain cover; make and uniquely be exposed to outdoor part and obtained good protection; and the rain cover of horizontally set and sealing block; make the monolithic architecture thing increase concavo-convex plane; fitly be arranged in the below of each glass window, profile is very attractive in appearance.8, the present invention use every sound absorption material, and the position that is provided with of material taken into full account every acoustically effective, installs and makes also very convenient.The present invention can be widely used in the various buildings, particularly defening effect is required than in the higher building.The present invention applies to the door and window manufacturing industry to acoustic technique, has solved the contradiction of ventilating with sound insulation and has made the state in half ventilation be issued to 35dB, can reach 44dB under the closed condition, and draught area reaches 600cm ²More than.

Description of drawings

Fig. 1 is a structural representation of the present invention

Fig. 2 is an outdoor window structural representation of the present invention

Fig. 3 is an indoor window structural representation of the present invention

Fig. 4 is that the present invention turns round noise elimination passage enlarged diagram

Fig. 5 is the present invention's noise elimination passage enlarged diagram of turning back

Fig. 6 is the soft seal bar schematic diagram on the glass louvre of the present invention

The specific embodiment

Below in conjunction with accompanying drawing and example the present invention is described in detail.

As shown in Figure 1, the present invention includes two window frames 1,2 that are arranged on installation separated by a distance in the window opening, the distance of being separated by between two window frames 1,2 is about 130mm, the middle part of two window frames 1,2 be provided with respectively one window frame 1,2 is separated into upper and lower two-part in very 3,4.Outdoor very a fixed-pane window 5 (as shown in Figure 2) is installed above 3 being arranged in, in very a glass louvre 6 is installed below 3; Indoor very a glass louvre 7 (as shown in Figure 3) is installed above 4 being arranged in, in very two inner-opening type casement windows 8 are installed below 4.Owing to be separated by about 130mm between two window frames 1,2, so

glass louvre

6,7 is easy for installation, goes slick, and the form of structure of the specific constructive form of

glass louvre

6,7 and existing metal, plastic shutter is similar, repeats no more.

As Fig. 1, shown in Figure 4, the present invention is provided with one first noise elimination passage 9 in two window frames, 1,2 bottoms, the air inlet port of noise elimination passage 9 is horizontally installed on an outdoor side, one openable sealing block 10 is set at the air inlet port place, sealing block 10 is articulated in by hinge 11 on the housing of noise elimination passage 9, and the weather strip 12 that is magnetic is sticked around the sealing block 10.The gas outlet 13 of noise elimination passage 9 laterally upwards is arranged between two window frames 1,2, uses the noise elimination dividing plate of forming every sound absorption material 14 every being set as rotating noise elimination path in the noise elimination passage 9.Comprise cold-rolled steel sheet 15, konilite plate 16 and glass wool 17 every sound absorption material.Except that dividing plate 14 adopts every sound absorption material, noise elimination passage 9 is also by forming every sound absorption material.At noise elimination passage 9 inner bottom parts one pull drawer 18 is set,, one rain cover 19 can be set at sealing block 10 tops so that the dust stratification of sedimentation is cleared out of noise elimination passage 9.

As Fig. 1, shown in Figure 5, the one second noise elimination passage 20 that in two, very is tightly connected between 3,4, the air inlet port 21 of noise elimination passage 20 is horizontally installed on the bottom, and the gas outlet 22 of noise elimination passage 20 is horizontally installed on the top.Use the noise elimination dividing plate of forming every sound absorption material 23 every being set as the noise elimination path of turning back between noise elimination passage 20 inlet, outlets 21,22, every sound absorption material also is cold-rolled steel sheet 15, konilite plate 16 and glass wool 17, except that cut off usefulness every sound absorption material, noise elimination passage 20 is also by forming every sound absorption material.

In the foregoing description, on each glass louvre 24 (as shown in Figure 6) of

glass louvre

6,7, the soft seal bar of sealing usefulness can be set, the soft seal bar is shaped by soft, hard PVC material co-extrusion, it comprises standing part 25 that connects glass louvre 24 and the bracketed part 26 that is used to seal, when glass louvre 24 was closed, the bracketed part 27 of software can be adjacent to adjacent glass like this, reached good sealing defening effect.

In the foregoing description, the cold-rolled steel sheet 15 in sound absorption material, konilite plate 16 and glass wool 17 can all be provided with at same position as required, and wherein one or both also can only be set, and can also take other every sound absorption material.

The present invention has four kinds of user modes:

1, glass louvre 6 and indoor casement window 8 outside the close chamber, open the sealing block 10 of indoor glass louvre 7 and noise elimination passage 9, outdoor air enters from noise elimination passage 9 air inlet ports, after rotating noise elimination path noise elimination, gap between outer glass louvre 6 of inlet chamber and the indoor casement window 8 enters noise elimination passage 20, after eliminating the noise through the noise elimination path of turning back again, in indoor glass louvre 7 inlet chambers of opening.This ventilating mode can guarantee have in the fresh air inlet chamber under the situation of not opening outdoor window, and the noise in the inlet chamber is extremely low.

2, open the

glass louvre

6,7 of indoor and outdoor, the sealing block 10 of close chamber's casement window opening inwards 8 and sound absorber, outdoor air enters from outdoor glass louvre 6, after the path of turning back of noise elimination passage 20 is eliminated the noise in the inlet chamber.This ventilating mode belongs to semitight half ventilation state of suitable noise elimination.

3, inside and outside glass louvre 6,7 reaches casement window 8 and all opens, and belongs to the Fully ventilation state.

4, closeall door and window makes double window be in full closeding state.

Claims

1, a kind of ventilated and soundproof window, it is included in two window frames of installing in the same window opening, with described each window frame be separated into upper and lower two-part in very and be installed in described window frame and in inside and outside layer glass window between very, it is characterized in that: it also comprises

One first noise elimination passage, it is arranged on the bottom of described two window frames, the air inlet port of the described first noise elimination passage is horizontally installed on an outdoor side, the gas outlet laterally upwards is arranged between described two window frames, described air inlet port is provided with an openable sealing block, between the described inlet, outlet by the noise elimination dividing plate every being set as rotating noise elimination path;

One second noise elimination passage, its be sealedly connected on described two window frames in very between, the air inlet port of the described second noise elimination passage is horizontally installed on the bottom, the gas outlet is horizontally installed on the top, between the described inlet, outlet by the noise elimination dividing plate every being set as the noise elimination path of turning back;

Described outside window glass, wherein very top is fixed-pane window, in very the bottom be glass louvre;

Glass window in described, wherein very top is glass louvre, in very the bottom be two inner-opening type casement windows.

2, a kind of ventilated and soundproof window as claimed in claim 1 is characterized in that: described noise elimination dividing plate and noise elimination passage adopt steel plate, konilite plate and glass wool to make every sound absorption material.

3, a kind of ventilated and soundproof window as claimed in claim 1, it is characterized in that: the top of described sealing block is provided with a rain cover.

4, a kind of ventilated and soundproof window as claimed in claim 2, it is characterized in that: the top of described sealing block is provided with a rain cover.

5, as claim 1 or 2 or 3 or 4 described a kind of ventilated and soundproof windows, it is characterized in that: the soft seal bar that is provided with mutual sealing between described each glass louvre.

6, a kind of ventilated and soundproof window as claimed in claim 5 is characterized in that: described soft seal bar comprises by the standing part of the connection glass louvre soft, that hard PVC material co-extrusion is shaped and the bracketed part that is used to seal.

7, as claim 1 or 2 or 3 or 4 or 6 described a kind of ventilated and soundproof windows, it is characterized in that: described sealing block is connected on the housing of the described first noise elimination passage by hinge and magnetic sealing strip.

8, a kind of ventilated and soundproof window as claimed in claim 5 is characterized in that: described sealing block is connected on the housing of the described first noise elimination passage by hinge and magnetic sealing strip.

9, as claim 1 or 2 or 3 or 4 or 6 or 8 described a kind of ventilated and soundproof windows, it is characterized in that: the described first noise elimination channel bottom is provided with a pull drawer that is used for ash discharge.

10, a kind of ventilated and soundproof window as claimed in claim 5 is characterized in that: in the described first noise elimination channel bottom the one pull drawer that is used for ash discharge is set.

11, a kind of ventilated and soundproof window as claimed in claim 7 is characterized in that: in the described first noise elimination channel bottom the one pull drawer that is used for ash discharge is set.