CN2300713Y

CN2300713Y - Multi-function adjustable noise-proof window

Info

Publication number: CN2300713Y
Application number: CN 97215504
Authority: CN
Inventors: 李金宇
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-04-29
Filing date: 1997-04-29
Publication date: 1998-12-16
Anticipated expiration: 2007-04-29

Abstract

The utility model relates to a multifunction adjustable noiseproof window, which is used for reducing the influence of outdoor noise on indoor, and also has the functions of ventilation, solar radiation, mosquito prevention, and dust prevention. The sound reduction index and the ventilation quantity can be adjusted by the utility model. The utility model is formed by that an adjustable perforated plate silencer whose outer side is covered with a screen window is arranged on a single layer soundproof window which has different thickness with the window glass of the original house and is not parallel to the window of the original house. After treated in a close joint way, the utility model is fixed at the outer side of an opening of the original window. The silencing of the adjustable silencer and the sound insulation of a sound proof window are used for controlling outdoor noise. The utility model can be used as a noiseproof measure for a living room near a street.

Description

Multifunctional adjustable noise control window

The utility model relates to a kind of multifunctional adjustable noise control window of being made up of adjustable sound absorber and sound proof window.

At present, noise pollution is that China removes atmosphere, water pollutes the third-largest public hazards afterwards.The trend that rises to first public hazards is arranged in the city.It has a strong impact on people's work and rest, and can cause numerous disease.In order to control the harm of noise on human, China has stipulated standard of environmental noise of urban area (GB3096-82) in " People's Republic of China's pollution from environmental noise is prevented and treated regulations " of in September, 89 issue.The highest indoor standard equivalent sound level in main line of communication road both sides of regulation is in this standard: 60 decibels (A), 45 decibels of nights (A) between daytime.The statistics sound level of noise shows in the general city of China: the peak value of street traffic noise is 70-90 decibel (A), and the mean transmission loss of common door and window has only 15-20 decibel (A), then indoor sound level exceeds highest standard can reach 10-15 decibel (A), and super special uptown standard is then more.Many countries and regions are for sort this problem out, have adopted measures such as the distance, barrier and the barrier building that increase between sound source and the protection object, special noise control greenbelt and city ruleization.Though certain effect is arranged, also is difficult in the many cities of China realize.Once use various windows in some country, but when it is opened, just lost the effect of noise control.What have installs forced ventilation device additional in windowsill, but has increased the noise control of ventilation installation and the problem of insulation, and difficulty of construction is bigger.China's patent micro silencer ventilation shutter (patent No. GN87 2 10249) though the function that sound insulation is arranged and ventilate can't remedy the deficiency of former forms sound insulation factor, is installed difficulty on non-wood windows.The patent No. is the screen window that can absorb noise or the screen door of CN87 2 01016, complex structure, and cost is higher and need the energy.

The purpose of this utility model is mainly to provide a kind of can regulate sound insulation factor and ventilation, to reduce city regional environment noise harm is main purpose, and have simultaneously sound insulation, ventilations, logical light, every mosquito, multi-functional every dust be that the noise control forms of one are constructed.

But the purpose of this utility model is achieved in that an adjustable sound absorber with the corresponding size of the former window opening section in house, outer cover screen window, be installed in the noise control forms that constitute on plastics, steel or the aluminium alloys individual layer sound proof window of handling by particular design, tightly be fixed on outside the former window opening mouth with expansion bolt, reach the purpose that prevents noise by the noise elimination of adjustable sound absorber and the sound insulation acting in conjunction of sound proof window.Because the city noise source mainly is the street traffic noise, the noise characteristic of street traffic noise is a wideband noise, so the silencer element of adjustable sound absorber adopts double-deck microperforated panel soundabsorbing construction, the rectangle micropunch plate muffler formed of structure has higher sound deadening capacity and very little to gas-flow resistance in quite wide frequency range thus.Install adjustable valve block additional at sound absorber gas channel two ends, just constituted the expansion type acoustic wave filter structure again.Valve block has just been regulated the expansion ratio of expansion type sound absorber to the adjusting of air communication road junction size, can reach the adjusting to this adjustable sound absorber sound deadening capacity and ventilation.Adjustable sound absorber two face shields add transparent screen window, and the sound absorbing element of this adjustable sound absorber, adjustable valve block and framework are all made by transparent plasteel sheet material or glass fiber reinforced plastic, so these forms have every mosquito, every the function of dust and logical light.The glass of sound proof window adopts and the not all right layout of former window-glass, and thicker than former window-glass, and resonance frequency is staggered mutually, makes the sound insulation low ebb show slightly smooth, to increase volume.Between adjustable sound absorber and the sound proof window window frame, between sound proof window glass and the sound proof window window frame, all to fill up between sound proof window window frame and the body of wall and add the elastic caoutchouc weather strip, can prevent from like this that the slit is transaudient can use damping sheet surface vibration radiated noise again.Arranging sound absorption material on the window door frame between noise control window and the former window and on the window door frame of former window, can increase sound insulation factor like this.

This multifunctional adjustable noise control window can be issued to the purpose that reduces noise nuisance in the situation that does not influence room ventilation ventilation, and can regulate sound insulation factor and ventilation, has logical light simultaneously, every mosquito, every the function of dust; In the time of need not ventilating, close the adjustable valve block of former window and adjustable sound absorber, can remedy the deficiency of former sound isolation of windows amount, make the indoor more quiet effect that reaches.In the winter time, then have more warming performance.This noise control window also has that cost is low, long service life, easy for installation, the characteristics that need not the energy.These forms can be used for the noise control measure near the room, street.

Concrete structure of the present utility model is provided by the following drawings:

Fig. 1 is the overall structure schematic diagram of this utility model.

Fig. 2 is the structural representation of adjustable sound absorber shown in Fig. 1.

Fig. 3 is the structural representation of double-deck microperforated panel sound absorbing element shown in Fig. 2.

Fig. 4 is the profile of adjustable valve block shown in Fig. 2.

Fig. 5 is the work schematic diagram of guide pulley system shown in Fig. 2.

Describe CONSTRUCTED SPECIFICATION of the present utility model in detail below in conjunction with legend:

Fig. 1 is described to be that 1. adjustable sound absorber is installed in the situation that 2. sound proof window is gone up.But 1. adjustable sound absorber is decided according to the position and the size of former window opening section in position and big I that 2. sound proof window is gone up, it can be loaded and unloaded smoothly, so that clean and maintenance.The former window opening of sound proof window comparable size 2. is bigger among the figure, so that securely the noise control forms are fixed on the wall with expansion bolt.1. 3. sound proof window glass all fill up with sound proof window window frame 2. and whole window and between the walls with 2. window frame of sound proof window, adjustable sound absorber and add the elastic caoutchouc weather strip.The glass of sound proof window is 3. thick and adopt not parallel layout than former window-glass.

Fig. 2 is described to be the structural representation of adjustable sound absorber shown in Fig. 1 (Fig. 1 1.).1. the double-deck microperforated panel sound absorbing element of among the figure several adopts to be arranged in parallel and is fixed on the sound absorber framework and 5. goes up, 2. adjustable valve block covers on the air communication road junction on sound absorber both sides closely, 3. control by guide pulley system, can move up and down to reach adjusting to air communication road junction size.One deck screen window is respectively covered in both sides at adjustable sound absorber 4..

Fig. 3 is the structural representation of double-deck microperforated panel sound absorbing element shown in Fig. 2.3. 4. be microperforated panel 2. 1. among the figure, 6. 5. dividing plate constitute the resonant cavity of sound absorption construction with deckle board.

Fig. 4 is the profile of adjustable valve block shown in Fig. 2 (Fig. 2 2.).1. two rib bones at the valve block back side can make valve block keep remaining unchanged for a long period of time shape, can be convenient to again be connected with the guide wheel rope of guide pulley system, and 2. the both sides fillet is convenient to valve block and is moved up and down in order to avoid block.

Fig. 5 is the work schematic diagram of guide pulley system shown in Fig. 2 (Fig. 2 3.).Adjustable valve block both sides 1. are fixed on the guide wheel rope and 2. go up among the figure, the guide wheel rope 2. 3. 4. go up around driven pulley by [3. driven pulley is fixed on the place, eight angles of adjustable sound absorber framework (Fig. 1 5.)] and active bull stick, by turn-button rotation 5., drive the motion of this system, adjustable valve block is moved up and down at place, air communication road junction, sound absorber both sides, realize adjusting air communication road junction size.The direction of motion of actual situation valve block that arrow refers to and bull stick among the figure.

The concrete enforcement of these noise control forms is such: according to different noise sources (as automobile and wagon flow noise, rail transportation-produced noise, industrial enterprise's noise, air transportation noise etc.) the different noise characteristics and the size of level of noise, design data such as the height of the every data of adjustable sound absorber microperforated panel sound absorbing element (Fig. 3) and the interfloor distance of sound absorbing element (being the gas channel of sound absorber) and width, make the noise control window that adapts to different noise sources.When indoor need the ventilation, open former window, outside noise can be controlled jointly by the noise elimination of adjustable sound absorber (Fig. 1 1.) and the sound insulation of sound proof window (Fig. 1 2.), indoor level of noise is reduced, adjusting by adjustable valve block (Fig. 2 2.) simultaneously, can transfer to needed sound insulation factor and ventilation, screen window (Fig. 2 4.) has played every mosquito, every the effect of dust and overall appearance; When not needing to ventilate, close the adjustable valve block (Fig. 2 is 2.) of former window and adjustable sound absorber, the noise control window combined with former forms and played stronger defening effect jointly this moment, then had more thermal property winter.Because each element of adjustable sound absorber adopts transparent material to make, so to the logical optical property did not influence of forms.By substantive test, survey tool is a sound level meter, and test result shows: the sound insulation factor of preceding kind of situation can reach 20-30 decibel (A), and the sound insulation factor of back kind situation can reach 40-50 decibel (A).Install after the utility model, the room noise level can drop to below the standard of environmental noise of urban area of China's regulation.

Claims

1, a kind of multifunctional adjustable noise control window, be installed on the sound proof window by adjustable sound absorber and form, it is characterized in that: the sound absorbing element of adjustable sound absorber adopts double-deck microperforated panel soundabsorbing construction, the air-flow passage port of adjustable sound absorber installs adjustable valve block additional and is controlled by guide pulley system, one deck screen window is respectively covered on adjustable sound absorber both sides, the glass of noise control window and the not parallel layout of former window-glass and thicker than former window-glass.

2, noise control window according to claim 1 is characterized in that: between adjustable sound absorber and the sound proof window window frame, between sound proof window glass and the sound proof window window frame, sound proof window window frame and between the walls pad add the elastic caoutchouc weather strip.

3, noise control window according to claim 1 is characterized in that: the sound absorbing element of adjustable sound absorber, adjustable valve block, framework and screen window are all made by transparent material.

4, noise control window according to claim 1 is characterized in that: arranging sound absorption material on the window door frame between noise control window and the former window and on the window door frame of former window.