CN1514093A - Silencing building capable of lowering noise silencing - Google Patents
Silencing building capable of lowering noise silencing Download PDFInfo
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- CN1514093A CN1514093A CNA031596630A CN03159663A CN1514093A CN 1514093 A CN1514093 A CN 1514093A CN A031596630 A CNA031596630 A CN A031596630A CN 03159663 A CN03159663 A CN 03159663A CN 1514093 A CN1514093 A CN 1514093A
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- sound insulation
- machine room
- insulation cavity
- noise
- sound
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Abstract
A silencing building for lowering noise features that the transverse and longitudinal sound-insulating plates are arranged under the ceiling of machine room to form the sound-insulating cavities used as the air inlet and outlet channels of machine room, and the partitions are arranged in said sound-insulating cavities to effectively prevent the propagation of noise.
Description
One, technical field
The invention belongs to the building category, relate to a kind of building that can reduce noise transmission, be specifically related to a kind of noise elimination building that can reduce noise transmission.
Two, background technology
There is the part room to have noise source in the building, with room or workshop, this part room needs limit noise outwards to propagate as functions such as diesel engine, gas turbine, boiler, compressor, air conditioner, ventilation fan, automatically controlled, transformer, pulverizing, punching press, manufacturing, processing, literature and art amusements; Also have the part room very responsive to noise, need very quietly, as function rooms such as computer, communication, voice, the TV broadcast Rooms, need to limit the propagation of external noise to this part house interior.In order to prevent or reduce noise that these rooms generally are made up of sound-proof wall body, to cut off the noise transmission approach, satisfy the environment for use requirement in the inside and outside propagation of machine room (for sake of convenience, present specification is loosely referred to as machine room to above-mentioned functions with room, workshop).But machine room also needs circulation of air, ventilation, as air intake, air draft etc., the result, just be provided with external communications, be used for the opening (present specification calls these openings air intake, the air outlet of machine room) of air intake and air draft at machine room, like this, noise will be by air intake, air outlet radiation, the propagation of machine room.Existing building is in order to reduce noise, the operated by rotary motion metallic conduit is as air intake passage, air exhaust passage (for sake of convenience, present specification calls air intake passage to the passage that the machine room outer air enters machine room, the passage of air in the machine room being discharged machine room calls air exhaust passage), metallic conduit generally adopts the mounting means of lifting, pass the air intake of machine room, air outlet, one end is communicated with machine room is interior, the other end is communicated with outward with machine room, machine room is realized circulation of air and ventilation by metallic conduit, limit noise is along radiation in the metallic conduit, propagate, reach the purpose of noise attentuation to prolong the noise radiation distance.
There is following shortcoming in existing this building:
1, the soundproof effect of metallic conduit is relatively poor, and noise can be walked around the part pipeline section of metallic conduit, propagates from sidewall, has shortened noise transmission, the radiation length of expection greatly, prolongs noise radiation and is difficult to reach apart from the purpose that reaches noise attentuation.
2, the space is narrower in the metallic conduit of formation machine room air intake passage, air exhaust passage, and the lifting mode that is adopted, cause in passage and to install that the noise reduction facility acquires a certain degree of difficulty and inconvenience, noise is propagated in metallic conduit, the attenuating of radiative process is difficult to meet the demands.
3, owing to be subjected to the beam position influence and take building area and the flow resistance of minimizing air in air intake passage, air exhaust passage in order to reduce, practices well is the metallic conduit that shortens as air intake passage, air exhaust passage, even the cancellation metallic conduit, the noise that consequently is radiated machine room outer (or in machine room) is very big; Another practices well is that air intake passage, air exhaust passage are long, less, though its result can reduce the direct radiation of noise from air intake passage, air exhaust passage, but reduce the sectional area of air intake passage, air exhaust passage and increased air flow resistance, influence the ventilation and heat function of machine room, influence equipment cooling, reduce operating efficiency.
4, metallic conduit passes air intake, there is seam in the air outlet place, is the weakness of the inside and outside sound insulation of machine room, becomes the noise transmission passage.
Three, summary of the invention
Purpose of the present invention aims to provide a kind of noise elimination building that reduces noise, and it can utilize the room and reduce noise other places propagation in machine room or/and the upper space of passage and structural slab make up, and can not influence the ventilation and heat function of machine room.
Above-mentioned purpose can be achieved like this: a kind of noise elimination building that reduces noise, the sidewall that comprises machine room and machine room thereof, air intake, air outlet, machinery room bottom plate (the machinery room bottom plate general reference of present specification includes the building floor ground plate of machine room ground panel), machine room top board (the machine room top board general reference of present specification includes the fabric structure plate of machine room ceiling), air intake, air outlet and machine room external communications, its main feature is: this building is provided with horizontal sound insulating panel between machinery room bottom plate and machine room top board, laterally be provided with vertical sound-proof wall between sound insulating panel and the machine room top board, make the clamping of horizontal sound insulating panel and machine room top board constitute at least two sound insulation cavitys, wherein at least one sound insulation cavity is communicated with described air intake, in this sound insulation cavity, be provided with dividing plate, and this sound insulation cavity is provided with opening (for sake of convenience, present specification calls fresh air inlet to this opening) with the machine room internal communication at the other end of air intake; Other has at least a sound insulation cavity to be communicated with described air outlet, in this sound insulation cavity, be provided with dividing plate, and this sound insulation cavity is provided with opening (for sake of convenience, present specification calls vent to this opening) with the machine room internal communication at the other end of air outlet.
Comprise that above-mentioned air intake, sound insulation cavity, fresh air inlet etc. constitute the air intake passage of machine room, comprise that said exhaust mouth, sound insulation cavity, vent etc. constitute the air exhaust passage of machine room; Aforementioned barriers also can be described as baffle plate.
Realize above-mentioned order preferably scheme be that fresh air inlet, vent are arranged on the horizontal sound insulating panel.
Realizing that another better scheme of above-mentioned purpose is the dividing plate that is provided with in the sound insulation cavity, can be porous crack sheet material.
Another the better scheme that realizes above-mentioned purpose is to be provided with damping material in the sound insulation cavity.
The scheme that realizes above-mentioned purpose is that the most handy damping material of dividing plate in the sound insulation cavity is made.
Can also be provided with exhaust pipe in the sound insulation cavity.
Laterally sound insulating panel is preferably the concrete slab of cast in situs.
Like this, machine room is inside and outside to be intercepted by the sound insulation cavity, the noise of (outward) some sound wave is gone in the sound insulation cavity from fresh air inlet, vent (air intake, air outlet) radiation in the machine room, dividing plate in the sound insulation cavity after the processing, only has a small amount of sound wave to be radiated () outside the machine room from air intake, the air outlet (fresh air inlet, vent) that is positioned at the sound insulation cavity other end or/and damping material is eliminated the noise.
The present invention has following advantage and effect:
1, owing to intercepted by the sound insulation cavity inside and outside the machine room, the noise of (outward) some sound wave is gone in the sound insulation cavity from fresh air inlet, vent (air intake, air outlet) radiation in the machine room, and the dividing plate in the sound insulation cavity is or/and after damping material eliminate the noise to handle, and remaining a small amount of sound wave could arrive the air intake that is positioned at the sound insulation cavity other end, air outlet (fresh air inlet, vent) and be radiated outside the machine room ().
2, the sound insulation cavity is as air intake passage, air exhaust passage, and the fresh air of machine room outside flows into the sound insulation cavity after fresh air inlet flows into machine room inside from air intake, and the air of machine room inside flows into the sound insulation cavity after air outlet flows out to the machine room outside from vent.Because the sound insulation cavity can adopt the form of structure of sandwich boards for construction, can make full use of the upper space and the combination of fabric structure plate of variant function room, variant function passage, its cross-sectional area can not be subjected to the restriction of aspects such as machine room area, beam position, air intake, air outlet and space layout, can design enough greatly, satisfy the needs of ventilation and heat, solved the machine room sound insulation and the contradiction between two kinds of functions of ventilating.
3, the length of sound insulation cavity can prolong as required, also can be as required, building layout changes interior shape, the height of sound insulation cavity and move towards, or the baffle arrangement in the sound insulation cavity is become various shape, form, strengthened erasure effect.
4, the sound insulation cavity does not take the area of plane of building, and can make full use of existing building walls as vertical sound-proof wall, and utilizes the fabric structure plate to construct the sound insulation cavity, has reduced the noise elimination cost.
5, the sound insulation cavity can be constructed simultaneously with building, makes not have crack between sound insulation cavity and air intake, air outlet and the sidewall, has overcome between existing metallic conduit and air intake, the air outlet to have crack and the problem of borne noise.
6, the shape of sound insulation cavity, structure helps reducing noise: A, because laterally the sound insulating panel position is generally higher, and be horizontally disposed with, can be on arranging fresh air inlet, vent is arranged on the horizontal sound insulating panel, make noise source, fresh air inlet, dividing plate, air intake or noise source, vent, dividing plate, air outlet is arranged as the mode that is unfavorable for the sound wave propagation and arranges, sound wave needs upwards to propagate earlier from fresh air inlet in the machine room, after vent enters the sound insulation cavity, changing horizontal direction into through reflection could continue to propagate in the sound insulation cavity, after intercepting the processing of eliminating the noise, dividing plate just can propagate into air intake again, air outlet is radiated outside the machine room; Or after sound wave enters the sound insulation cavity from air intake, air outlet outside the machine room, need first along continuous straight runs to propagate, and after dividing plate intercept to eliminate the noise is handled, just can propagate into the other end of sound insulation cavity, changing downward direction into through reflection could be radiated in the machine room from fresh air inlet, vent; The area of B, fresh air inlet, vent, air intake, air outlet only accounts for the part of sound insulation cavity area, radiation enters the sound wave in the sound insulation cavity, through constantly reflecting repeatedly, decaying, only some sound wave is through repeatedly just being delivered to (interior) outside the machine room from air intake, air outlet (fresh air inlet, vent) after the reflection in the sound insulation cavity.
7, in the sound insulation cavity, damping material is set, can further absorbs the acoustic energy that enters the sound insulation cavity.
Four, description of drawings
Fig. 1 is the facade structures schematic diagram of one embodiment of the invention.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is the C-C sectional structure schematic diagram of Fig. 1.
Fig. 5 is the structural representation of another embodiment of the present invention.
Fig. 6 is the D-D sectional structure schematic diagram of Fig. 5.
Fig. 7 is the structural representation of further embodiment of this invention.
Fig. 8 is the E-E sectional structure schematic diagram of Fig. 7.
Fig. 9 is the structural representation of further embodiment of this invention.
Figure 10 is the F-F sectional structure schematic diagram of Fig. 9.
Five, the specific embodiment
Preferred forms 1
Fig. 1,2,3, shown in 4 is one embodiment of the invention: the noise elimination building of this reduction noise is an individual layer diesel generation machine room, comprise concrete floor 1, body of wall 2, concrete roof 3, have hole 41 and 51 with the machine room external communications at body of wall 2, concrete floor 1 and concrete roof 3 are structural slabs of building, hole 41 and 51 is respectively an air intake, air outlet, body of wall 2 is sidewalls of machine room, between concrete floor 1 and concrete roof 3, be provided with horizontal concrete soundproof plate 6, between concrete roof 3 and horizontal concrete soundproof plate 6, be provided with brick wall 7, brick wall 7 is vertical sound-proof walls, make the concrete roof 3 and the clamping of horizontal concrete slab 6 form sound insulation cavity 4 and 5, sound insulation cavity 4 and 5 respectively with air intake 41, air outlet 51 is communicated with, have hole 42 and 52 at horizontal concrete slab 6, hole 42 and 52 and the machine room internal communication, hole 42 and 52 is respectively a fresh air inlet, vent; Respectively be provided with narrow meshed fire-retardant dividing plate 8 at cavity 4 and 5 inside.During use, diesel-driven generator 9 is installed in the machine room, the exhaust duct 92 of diesel engine is connected to vent 52.
Preferred forms 2
Fig. 5, shown in Figure 6 is another embodiment of the present invention: the noise elimination building of this reduction noise is a multi-storey building, the diesel generation machine room is positioned at the first floor, this building masonry wall comprises machine room sidewall 2 and other brick wall 2-1, the building first floor is divided into machine room 10 by brick wall and other uses room 11, first layer ground plate 1 is the machinery room bottom plate that the present invention makes a general reference, first floor smallpox structural slab 3 is machine room top boards that the present invention makes a general reference, below first floor smallpox structural slab 3, be provided with horizontal sound insulating panel 6 and vertical sound-proof wall 7, form two sound insulation cavitys 4 and 5, one of them sound insulation cavity 4 is as air intake passage, its fresh air inlet 42 is located on vertical sound-proof wall 7, and air intake 41 is located on the interior walls 2-1; Another sound insulation cavity 5 is as air exhaust passage, and its vent 52 is located on the horizontal sound insulating panel 6, directly is connected with the exhaust duct 92 of equipment, and is furnished with the exhaust pipe 91 of diesel engine in sound insulation cavity 5, and air outlet 41 is located on the external wall 2-1.Present embodiment utilizes other function of the first floor to construct sound insulation cavity 4 and sound insulation cavity 5 with the upper space of room, passage, can not influence the use of other function with room, passage; The vertical sound-proof wall of the part of present embodiment utilizes the existing body of wall 2-1 of building to construct.
Preferred forms 3
Fig. 7, shown in Figure 8 is further embodiment of this invention: the noise elimination building of this reduction noise is a multi storied factory building, production department is positioned at two layers, producing machine is noise source, this building comprises workshop sidewall 2, two layers of earth construction plate 1 of building, two layers of smallpox structural slab 3, two layers of earth construction plate 1 are the machinery room bottom plates that the present invention makes a general reference, two layers of smallpox structural slab 3 are machine room top boards that the present invention makes a general reference, below two layers of smallpox structural slab 3, be provided with horizontal sound insulating panel 6 and vertical sound-proof wall 7, form two sound insulation cavitys 4 and 5, one of them sound insulation cavity 4 is as air intake passage, laterally being provided with a plurality of fresh air inlets 42 on the sound insulating panel 6, on wall 2, be provided with a plurality of air intakes 41; Another sound insulation cavity 5 vertically being provided with a plurality of vents 52 on the sound-proof wall 7, is provided with a plurality of air outlets 51 as air exhaust passage on wall 2.During use, be installed in two layers of workshop, new blower fan 93 is installed on the fresh air inlet 42, exhaust blower 94 is installed on the vent 52 producing machine 9.
Preferred forms 4
Fig. 9, shown in Figure 10 be further embodiment of this invention: the noise elimination building of this reduction noise is multilayer phonotape and videotape workshop, the outdoor noise source that exists, the voice recording chamber is positioned at two floor, and sound insulation cavity 5 laterally is being provided with a plurality of vents 52 on the sound insulating panel 6 as air exhaust passage.During use, it is indoor that voice recording equipment 9 is installed in two layers of voice recording, and new blower fan 93 is installed on the air intake 41, and exhaust blower 94 is installed on the air outlet 51.Other parts are identical with Fig. 7, Fig. 8.
The air intake of the foregoing description, air outlet, fresh air inlet, vent also can connect other pipeline section, and the also available brick of the exhaust duct 92 of equipment is constructed; The sound insulation cavity also can be constructed the upper space in walkway, toxic emission road; Be to strengthen sound insulation and noise elimination effect, also can paste damping material at the internal face of the sound insulation cavity of the foregoing description; The dividing plate of the foregoing description can be arranged continuously, also can segmentation arrange, can also be entered in the sound insulation cavity by the constructor and install.
The horizontal sound insulating panel of the foregoing description and vertical sound-proof wall are preferably built the concrete slab that becomes one with the fabric structure plate, also can adopt precast plate, certainly, also can adopt other sound insulation materials to make after building body is finished, and install then.
Claims (7)
1, a kind of noise elimination building that reduces noise, the sidewall that comprises machine room and machine room thereof, air intake, air outlet, machinery room bottom plate, the machine room top board, air intake, air outlet and machine room external communications, be primarily characterized in that: this building is provided with horizontal sound insulating panel between machinery room bottom plate and machine room top board, laterally be provided with vertical sound-proof wall between sound insulating panel and the machine room top board, make the clamping of horizontal sound insulating panel and machine room top board constitute at least two sound insulation cavitys, wherein at least one sound insulation cavity is communicated with described air intake, in this sound insulation cavity, be provided with dividing plate, and this sound insulation cavity is provided with fresh air inlet with the machine room internal communication at the other end of air intake; Other has at least a sound insulation cavity to be communicated with described air outlet, is provided with dividing plate in this sound insulation cavity, and this sound insulation cavity is provided with vent with the machine room internal communication at the other end of air outlet.
2, claims 1 described a kind of noise elimination building that reduces noise, it is characterized in that: fresh air inlet, vent are arranged on the horizontal sound insulating panel.
3, claims 1 or 2 described a kind of noise elimination buildings that reduce noise is characterized in that: the dividing plate that is arranged in the sound insulation cavity is a porous crack sheet material.
4, claims 1 or 2 described a kind of noise elimination buildings that reduce noise is characterized in that: laterally sound insulating panel is the concrete slab of cast in situs.
5, claims 1 or 2 described a kind of noise elimination buildings that reduce noise is characterized in that: be provided with damping material in the sound insulation cavity.
6, claims 1 or 2 described a kind of noise elimination buildings that reduce noise is characterized in that: be provided with exhaust pipe in the sound insulation cavity.
7, claims 1 or 2 described a kind of noise elimination buildings that reduce noise is characterized in that: the dividing plate in the sound insulation cavity adopts damping material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031596630A CN1514093A (en) | 2003-04-13 | 2003-09-23 | Silencing building capable of lowering noise silencing |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03114235.4 | 2003-04-13 | ||
| CN03114235 | 2003-04-13 | ||
| CNA031596630A CN1514093A (en) | 2003-04-13 | 2003-09-23 | Silencing building capable of lowering noise silencing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1514093A true CN1514093A (en) | 2004-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031596630A Pending CN1514093A (en) | 2003-04-13 | 2003-09-23 | Silencing building capable of lowering noise silencing |
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| Country | Link |
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| CN (1) | CN1514093A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979792A (en) * | 2010-11-26 | 2011-02-23 | 中国建筑第六工程局有限公司 | Hemi-anechoic chamber foundation structure for detecting automobile noise attached equipment foundation |
| CN108954581A (en) * | 2018-09-18 | 2018-12-07 | 广东也节能科技有限公司 | A kind of data center's moistening and lowering temperature system |
| CN111878974A (en) * | 2020-08-21 | 2020-11-03 | 上海同悦节能科技有限公司 | Integrated control central air conditioning system for residence |
-
2003
- 2003-09-23 CN CNA031596630A patent/CN1514093A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979792A (en) * | 2010-11-26 | 2011-02-23 | 中国建筑第六工程局有限公司 | Hemi-anechoic chamber foundation structure for detecting automobile noise attached equipment foundation |
| CN108954581A (en) * | 2018-09-18 | 2018-12-07 | 广东也节能科技有限公司 | A kind of data center's moistening and lowering temperature system |
| CN111878974A (en) * | 2020-08-21 | 2020-11-03 | 上海同悦节能科技有限公司 | Integrated control central air conditioning system for residence |
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