CN108360842A - A method of the noise reduction for building is protected from light gravity-flow ventilation - Google Patents
A method of the noise reduction for building is protected from light gravity-flow ventilation Download PDFInfo
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- CN108360842A CN108360842A CN201810069148.9A CN201810069148A CN108360842A CN 108360842 A CN108360842 A CN 108360842A CN 201810069148 A CN201810069148 A CN 201810069148A CN 108360842 A CN108360842 A CN 108360842A
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- ventilation
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- noise reduction
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/02—Dwelling houses; Buildings for temporary habitation, e.g. summer houses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
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Abstract
The invention discloses a kind of noise reduction method for being protected from light gravity-flow ventilation for building, including (I) according to the property and areal calculation ventilation quantity of building；(II) the noise maximum value and sound spectrum from outdoor received in measuring cell under conditions of keeping ventilation quantity to meet；(III) using can gravity-flow ventilation silencing apparatus make the indoor level of noise being subject to be down to standard value or its below；(IV) installation site of silencing apparatus is determined on the external and internal wall, doorframe, window frame of building according to architecture indoor layout and indoor occupant main activities region.The specific layout of present invention combination building and position carry out special noise-reducing design, silencer principle noise reduction is utilized, it is protected from light using small windage wrap direction, utilize natural ventilation pressure and indoor people or mechanical disturbance ventilation, pass through architectural feature comp comprehensive layout, come situations such as realizing gravity-flow ventilation, be protected from light, noise reduction, the purpose for improving work and living condition, can uninterruptedly open, alleviate foreign flavor indoors within 24 hours.
Description
Technical field
The present invention relates to building fields, in particular, being to be related to a kind of noise reduction for building to be protected from light the side of gravity-flow ventilation
Method.
Background technology
Currently, a serious problems --- the noise that can not avoid is built on skyscraper and overlooking side, this is to perplex us
The big problem of live and work.In city, close to the larger street of vehicle flowrate, aircraft and river channel, park and square periphery, water
It flows by rapid river, heavy rain and when thunder and lightning etc., noise all drastically influences our work and life.In addition to enduring people
Some corresponding methods can be taken：Window is such as closed, if pass window to be avoided to cause indoor sanitation worsening condition that must increase machine
Tool is divulged information, since motor will finally generate noise, installation need distribution wire, switch, go out need to remember at any time to draw electric brake etc. because
Element, behaviour in service is undesirable, along with production cost and use cost are high.In addition, many of life situation needs in the daytime
It is protected from light, such as cinema, family's lunch break etc., also relates to ventilating problem when being protected from light, nearly all public place is all made of machinery
Ventilation, and how much family only opens a window without similar facilities, and draw the curtain together, if also feeling bored, curtain have to be also pulled open
A bit.There are some products on the market now, such as air-conditioning, air purifier, is to use mechanically ventilated, unavoidably to generate and make an uproar
Sound, and usually very big to power consumption, not energy conservation and environmental protection, therefore, design a kind of device can solve ventilation, noise reduction,
It is protected from light and does not consume the energy, it is more healthy that this will make us live, and environment is more comfortable, is the project of our company's primary study.
Invention content
In order to solve the problems in the prior art, the present invention provides one kind and can solve ventilation, noise reduction, be protected from light and do not consume energy
The method for being protected from light gravity-flow ventilation for the noise reduction of building in source.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A method of the noise reduction for building is protected from light gravity-flow ventilation, includes the following steps：
(I) according to the property of building and areal calculation ventilation quantity；
(II) the noise maximum value harmony from outdoor received in measuring cell under conditions of keeping ventilation quantity to meet
Spectrum；
(III) using can gravity-flow ventilation silencing apparatus make the indoor level of noise being subject to be down to standard value or its below；
(IV) external and internal wall, doorframe, window with indoor occupant main activities region in building are laid out according to architecture indoor
The installation site of silencing apparatus is determined on frame.
Further, this method further includes：(V) silencing apparatus is handled, outdoor optical is avoided to pass through silencing apparatus
Internal channel is directly entered interior.
Effectively to obtain the maximum value of environmental noise, the measurement time limit of noise maximum value is measured at least in the step (II)
It is 300 days.
In order to improve ventilation effect, installation site is at least two in the step (IV), and between each other being capable of shape
At air circulation effect.
For use in step (III) can gravity-flow ventilation silencing apparatus, install condition to meet different buildings
Demand, it is as follows respectively the present invention provides four kinds of specific constructions：
First, the silencing apparatus includes the channel body being fixedly connected with building, it is arranged it in channel body
Both sides building space connection internal channel, on the inner wall of internal channel side indent be arranged and at least have two in recess
The first one wave part, be set on the internal channel inner wall of the first one wave part opposite side and on the central axes of internal channel a little for pair
Title center simultaneously forms centrosymmetric second one wave part with the first one wave part, is located at side and the one of the first one wave part in internal channel
Interior recess matches the first bumping post to form minor bend runner, and with the symmetrical centre of the first one wave part and the second one wave part is pair
Title center simultaneously constitutes centrosymmetric second bumping post with the first bumping post, wherein the second bumping post also forms secondary curved with the second one wave part
It meanders road, inner channel portion between remaining interior recess of the first one wave part and the second one wave part, the first bumping post and the second bumping post,
Other parts in internal channel in addition to being provided with the first and second one wave parts collectively form principal curvature runner, major-minor curved channel
Total amount of divulging information and the gravity-flow ventilation obtained by step (I) are flux matched.The installation space of this kind construction is relatively tall and thin, is suitble to thicker or not
The wall of suitable wide range transformation.
In design further, in order to make the bending amplitude bigger of principal curvature runner become apparent from, first wave
The hollow depth of all interior recesses is different in portion or the second one wave part, and the interior recess of corresponding first bumping post or the second bumping post
Hollow depth is most shallow.In order to keep the trend of principal curvature runner more smooth, first bumping post or/and the second bumping post are backwards to it
It is arc-shaped with the edges and corners of corresponding one wave part.For the ease of acousto-optic propagation reflections, first bumping post or/and the second bumping post
Edges and corners towards internal channel import are arc-shaped.
Second, the silencing apparatus includes the channel body being fixedly connected with building, it is arranged it in channel body
The internal channel of the building space connection of both sides, the protrusion being arranged on the inner wall of internal channel side, in internal channel other side inner wall
Upper setting with the matched recess portion in protrusion, and several baffle bodies with bending part for being arranged between protrusion and recess portion,
In, the side of the baffle body is matched with protrusion, and the other side is matched with recess portion, between adjacent baffle body, baffle body and protrusion, gear
Form the runner arranged side by side of respective numbers between fluid and recess portion, the ventilation total amounts of all runners arranged side by side with obtained by step (I) from
It so divulges information flux matched.The installation space of this kind construction is relatively broad thinner, the wall being more suitable between indoor room.
In further designing, in order to increase the bending degree of runner arranged side by side, the recess portion and protrusion can be at least two
Side-by-side configuration is arranged, and forms the shape for being similar to the first construction Wave portion.For the ease of acousto-optic propagation reflections, the baffle
The edges and corners towards internal channel import of body are arc-shaped.
Third, the silencing apparatus includes the channel body being fixedly connected with building, two are arranged in channel body
The internal channel that the building space of its both sides is connected to, and the water conservancy diversion convex block in channel body inside middle portion is set, wherein two
A internal channel is in Z-shaped, and is symmetrical arranged centered on its air outlet edge, and two air outlets are merged into one with this and always gone out
Air port, the ventilation total amount of two internal channels and the gravity-flow ventilation obtained by step (I) are flux matched.The installation space constituted in this is thinner
Bigger, the non-bearing wall body being relatively suitble to by window.
It is respectively led to inside and outside door body in door body and both ends fourth, the silencing apparatus includes multiple is arranged side by side
Internal channel, the channel body include being embedded in inside door body in the straight-through portion moved towards vertically and being connected to respectively with straight-through portion both ends
Bending section, two bending sections are located at the upper and lower part of door body；Obtained by the ventilation total amount and step (I) of all internal channels
It divulges information flux matched.Preferably, the internal channel selects antipriming pipe.
Further, larger object falls into internal channel in order to prevent or toy enters internal channel and is convenient for internal channel
Opening and closing, filter or/and sealing plate are equipped in the internal channel.Wherein, sealing plate can be set as according to demand in specific design
The structure of controllable open-close type.
In order to enhance strainability, air filtration layer is additionally provided in the internal channel.
Compared with prior art, the invention has the advantages that：
(1) present invention combines the specific layout of building and position to carry out special noise-reducing design, and silencer original is utilized
Noise reduction is managed, is protected from light using small windage wrap direction, it is more at one stroke using natural ventilation pressure and indoor people or mechanical disturbance ventilation
, also use the positions such as door, window, wall, the awning of building with do not influence the characteristics of building other functions rationalized it is comprehensive
Layout is closed, to realize gravity-flow ventilation, be protected from light, the purpose of noise reduction improvement work and living condition, not only equipment therefor is simple in structure,
It is of low cost, and its effectively energy saving, not power consumption completely, also without any self-produced noise the problem of, can with 24 hours not between
Disconnection is opened, and keeps interior a large amount of different since the breathing of people, furniture or finishing, kitchen fume, smoking flue dust, shoes, electrical etc. distribute
Taste obtains natural remission, has high market application prospect, is suitble to promote and apply.
(2) the present invention provides a variety of specific configurations to solve the problems, such as the incoming interior of city noise, and room has been effectively ensured
Interior quiet and air circulation builds more preferable more comfortable living environment for people.
Description of the drawings
Fig. 1 is the mounting structure schematic diagram of the present invention-embodiment 1.
Fig. 2 is a kind of structural schematic diagram of silencing apparatus in the present invention-embodiment 1.
Fig. 3 is another structural schematic diagram of silencing apparatus in the present invention-embodiment 1.
Fig. 4 is the acousto-optic propagation principle schematic diagram of silencing apparatus in the present invention-embodiment 1.
Fig. 5 is the mounting structure schematic diagram of the present invention-embodiment 2.
Fig. 6 is the structural schematic diagram of silencing apparatus in the present invention-embodiment 2.
Fig. 7 is the mounting structure schematic diagram of the present invention-embodiment 3.
Fig. 8 is the structural schematic diagram of silencing apparatus in the present invention-embodiment 3.
Fig. 9 is the structural schematic diagram of silencing apparatus in the present invention-embodiment 4.
Figure 10 is the one side schematic diagram of silencing apparatus in the present invention-embodiment 4.
In above-mentioned attached drawing, the corresponding component names of reference numeral are as follows：
1- channel bodies, 2- internal channels, the first one wave parts of 3-, the second one wave parts of 4-, the first bumping posts of 5-, the second bumping posts of 6-,
7- principal curvature runners, 8- minor bend runners, 10- filters, 11- air filtration layers, 12- sealing plates, the protrusions 20-, 21- recess portions, 22- gears
Fluid, 30- water conservancy diversion convex blocks, 41- straight-through portions, the bending sections 42-.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but not limited to
The following example.
Embodiment 1
As shown in Figures 1 to 4, the method which is protected from light gravity-flow ventilation, includes the following steps：
(I) according to the property of building and areal calculation ventilation quantity；
(II) the noise maximum value harmony from outdoor received in measuring cell under conditions of keeping ventilation quantity to meet
Spectrum；Effectively to obtain the maximum value of environmental noise, wherein the measurement time limit for measuring noise maximum value is at least 300 days；
(III) using can gravity-flow ventilation silencing apparatus make the indoor level of noise being subject to be down to standard value or its below；
(IV) external and internal wall, doorframe, window with indoor occupant main activities region in building are laid out according to architecture indoor
The installation site that silencing apparatus is determined on frame, in order to improve ventilation effect, which is at least two, and between each other
Air circulation effect can be formed, is three in the present embodiment；
(V) silencing apparatus is handled, outdoor optical is avoided to be directly entered interior by the internal channel of silencing apparatus；This reality
It applies and is then utilized in the form of setting filter 10 and sealing plate 12 in internal channel in example and is handled, further, enhance to improve
Strainability is additionally provided with air filtration layer 11 in internal channel.
For use in above-mentioned steps (III) can gravity-flow ventilation silencing apparatus, specific configuration provided in this embodiment
It is as follows：
Silencing apparatus includes the channel body 1 being fixedly connected with building, and building its both sides is arranged in channel body
The internal channel 2 for building object space connection, on the inner wall of internal channel side indent be arranged and at least with recess at two first
One wave part 3, be set on the internal channel inner wall of the first one wave part opposite side and to be a little symmetrical on the central axes of internal channel in
The heart simultaneously forms centrosymmetric second one wave part 4 with the first one wave part, is located in internal channel in side and the one of the first one wave part
Recess matches the first bumping post 5 to form minor bend runner 8, and with the symmetrical centre of the first one wave part and the second one wave part is pair
Title center simultaneously constitutes centrosymmetric second bumping post 6 with the first bumping post, wherein the second bumping post also forms secondary curved with the second one wave part
Projection of the internal channel in the direction is completely covered in meander road, the projection of the first bumping post and the second bumping post in interior passage axis direction,
Inner channel portion, internal channel between the interior recess of remaining of first one wave part and the second one wave part, the first bumping post and the second bumping post
The interior other parts in addition to being provided with the first and second one wave parts collectively form principal curvature runner 7, the ventilation of major-minor curved channel
Total amount and the gravity-flow ventilation obtained by step (I) are flux matched.The installation space of this kind construction is relatively tall and thin, is suitble to thicker at the front
Wall.
In design further, in order to make the bending amplitude bigger of principal curvature runner become apparent from, first wave
The hollow depth of all interior recesses is different in portion or the second one wave part, and the interior recess of corresponding first bumping post or the second bumping post
Hollow depth is most shallow.In order to keep the trend of principal curvature runner more smooth, first bumping post or/and the second bumping post are backwards to it
It is arc-shaped with the edges and corners of corresponding one wave part.For the ease of acousto-optic propagation reflections, first bumping post or/and the second bumping post
Edges and corners towards internal channel import are arc-shaped.
As shown in figure 4, acousto-optic enters in internal channel, and by the reflex repeatedly of curved channel in internal channel, exhausted big portion
The acousto-optic divided is reflected inlet port or is absorbed by the material property of channel body itself in the communication process in internal channel, only
Surplus fraction is also consumed totally after multiple reflections, other entry angle are also identical, therefore is exported and spread out of by internal channel
Acousto-optic can reach the degree of very safety and comfort, to realize gravity-flow ventilation, be protected from light, the purpose of noise reduction.
To verify the effect of the silencing apparatus, our company exclusively carries out confirmatory experiment：Quiet basement room between selecting two
Between, wherein being closed between one, be set as windowless, soundproof door, as test cabinet, it is another in place sound source and light source and keep the room
Between inner air flow two silencing apparatus of the invention are set on the adjacent wall of test cabinet and laboratory as laboratory,
Two silencing apparatus are located at the wall laterally at 1/4 and 3/4, are tested in terms of acousto-optic two.
Sound is tested：A set of noise recording equipment (environmental noise that can be around test equipment, and will is placed in test cabinet
The level of noise record storage tested), sound source is tested with 80,70,60 decibels of the continuous sounding of sound for 10 minutes respectively, is checked and is set
The test level of noise of note, the corresponding average value of three kinds of situations are followed successively by 42,39,34 decibels, maximum value is respectively 44,
40,35 decibels.
Optical tests：It is the fluorescent lamp of 1000LUX that the light source in laboratory, which selects illumination, is tested and is tied by illumination in test cabinet
Fruit is that illumination is less than 5LUX.
It can be seen that the present invention, which can make building have outstanding noise reduction, is protected from light ability.When being equipped with the silencing means
Room in have air agitation (including equipment generate and people move generate) when, air inside and outside the room can be disappeared by this
Acoustic device carries out ventilation circulation, and to keep interior room with fresh air, furthermore outdoor wind-force can also promote air stream to a certain extent
It is logical, the air freshness in room can be generally speaking kept with the long period by the silencing apparatus.
Embodiment 2
As shown in Figure 5 and Figure 6, difference lies in disappearing employed in the step (III) with embodiment 1 for the present embodiment
The structure of acoustic device is different, and specific configuration is as follows：The silencing apparatus includes the channel body 1 being fixedly connected with building,
It is arranged the internal channel 2 of the building space connection of its both sides in channel body, is arranged on the inner wall of internal channel side convex
Portion 20, be arranged on the inner wall of the internal channel other side with protrusion matched recess portion 21, and be arranged between protrusion and recess portion
Several baffle bodies 22 with bending part, wherein the side of the baffle body is matched with protrusion, and the other side is matched with recess portion, phase
The runner arranged side by side of respective numbers, all runners arranged side by side are formed between adjacent baffle body, between baffle body and protrusion, baffle body and recess portion
Ventilation total amount and the gravity-flow ventilation obtained by step (I) it is flux matched.The installation space of this kind construction is relatively broad thinner, is more suitable for
Wall between indoor room.
In further designing, in order to increase the bending degree of runner arranged side by side, the recess portion and protrusion can be at least two
Side-by-side configuration is arranged, and is formed and is similar to the shape that embodiment 1 constructs Wave portion.For the ease of acousto-optic propagation reflections, the gear
The edges and corners towards internal channel import of fluid are arc-shaped.
Embodiment 3
As shown in Figure 7 and Figure 8, difference lies in disappearing employed in the step (III) with embodiment 1 for the present embodiment
The structure of acoustic device is different, and specific configuration is as follows：The silencing apparatus includes the channel body 1 being fixedly connected with building,
Two are arranged the internal channel 2 of the building space connection of its both sides in channel body, wherein and two internal channels are in Z-shaped,
And be symmetrical arranged centered on its air outlet edge, and two air outlets merge into a total air outlet, two internal channels with this
Ventilation total amount and the gravity-flow ventilation obtained by step (I) it is flux matched.The thinner bigger of installation space constituted in this is relatively suitble to window
Other non-bearing wall body.
In further designing, the air to avoid enter into interferes with each other, the channel of total air outlet middle inside
Water conservancy diversion convex block 30 is additionally provided on ontology.
Embodiment 4
As shown in Figure 9 and Figure 10, difference lies in disappearing employed in the step (III) with embodiment 1 for the present embodiment
The structure of acoustic device is different, which is set in door body, and specific configuration is as follows：The silencing apparatus include it is multiple side by side
It is set in door body and both ends respectively leads to the internal channel 2 inside and outside door body, which includes being embedded in inside door body
In the straight-through portion 41 moved towards vertically and the bending section 42 being connected to respectively with straight-through portion both ends, two bending sections are located at door body
Upper and lower part；The ventilation total amount of all internal channels and the ventilation obtained by step (I) are flux matched.Preferably, the internal channel selects
Use antipriming pipe.
Above-described embodiment is merely a preferred embodiment of the present invention, and it is not intended to limit the protection scope of the present invention, as long as using
The design principle of the present invention, and the non-creative variation worked and made is carried out on this basis, it should all belong to the present invention's
Within protection domain.
Claims (10)
1. a kind of method that noise reduction for building is protected from light gravity-flow ventilation, which is characterized in that include the following steps：
(I) according to the property of building and areal calculation ventilation quantity；
(II) the noise maximum value and sound spectrum from outdoor received in measuring cell under conditions of keeping ventilation quantity to meet；
(III) using can gravity-flow ventilation silencing apparatus make the indoor level of noise being subject to be down to standard value or its below；
(IV) according to architecture indoor layout and indoor occupant main activities region on the external and internal wall, doorframe, window frame of building
Determine the installation site of silencing apparatus.
2. the method that a kind of noise reduction for building according to claim 1 is protected from light gravity-flow ventilation, which is characterized in that also wrap
It includes：(V) silencing apparatus is handled, outdoor optical is avoided to be directly entered interior by the internal channel of silencing apparatus.
3. the method that a kind of noise reduction for building according to claim 2 is protected from light gravity-flow ventilation, which is characterized in that described
The measurement time limit that noise maximum value is measured in step (II) is at least 300 days.
4. the method that a kind of noise reduction for building according to claim 3 is protected from light gravity-flow ventilation, which is characterized in that described
Installation site is at least two in step (IV), and can form air circulation effect between each other.
5. according to the method that a kind of noise reduction for building of Claims 1 to 4 any one of them is protected from light gravity-flow ventilation, feature
It is, the silencing apparatus includes the channel body (1) being fixedly connected with building, is arranged its both sides in channel body
The internal channel (2) of building space connection, on the inner wall of internal channel side indent be arranged and at least with recess at two
First one wave part (3) is set on the internal channel inner wall of the first one wave part opposite side and to be a little on the central axes of internal channel
Symmetrical centre simultaneously forms centrosymmetric second one wave part (4) with the first one wave part, is located at side and the first wave in internal channel
Recess matches the first bumping post (5) to form minor bend runner (8) in the one of portion, and with the first one wave part and the second one wave part
Symmetrical centre is symmetrical centre and constitutes centrosymmetric second bumping post (6) with the first bumping post, wherein the second bumping post and the second wave
Unrestrained portion also forms minor bend runner (7), remaining interior recess, the first bumping post and the second bumping post of the first one wave part and the second one wave part
Between inner channel portion, the other parts in internal channel in addition to being provided with the first and second one wave parts collectively form principal curvature stream
Road, the ventilation total amount of major-minor curved channel and the ventilation obtained by step (I) are flux matched.
6. according to the method that a kind of noise reduction for building of Claims 1 to 4 any one of them is protected from light gravity-flow ventilation, feature
It is, the silencing apparatus includes the channel body (1) being fixedly connected with building, is arranged its both sides in channel body
The internal channel (2) of building space connection, the protrusion (20) being arranged on the inner wall of internal channel side, in internal channel other side inner wall
Upper setting with the matched recess portion in protrusion (21), and several baffle bodies with bending part for being arranged between protrusion and recess portion
(22), wherein the side of the baffle body is matched with protrusion, and the other side is matched with recess portion, between adjacent baffle body, baffle body with
The runner arranged side by side of respective numbers, ventilation total amount and step (I) institute of all runners arranged side by side are formed between protrusion, baffle body and recess portion
The ventilation obtained is flux matched.
7. according to the method that a kind of noise reduction for building of Claims 1 to 4 any one of them is protected from light gravity-flow ventilation, feature
Be, the silencing apparatus includes the channel body (1) being fixedly connected with building, two be arranged in channel body by its two
The internal channel (2) of the building space connection of side, and the water conservancy diversion convex block (30) in channel body inside middle portion is set, wherein
Two internal channels are in Z-shaped, and are symmetrical arranged centered on its air outlet edge, and two air outlets merge into one always with this
Air outlet, the ventilation total amount of two internal channels and the ventilation obtained by step (I) are flux matched.
8. according to the method that a kind of noise reduction for building of Claims 1 to 4 any one of them is protected from light gravity-flow ventilation, feature
It is, the silencing apparatus includes that multiple be arranged side by side respectively leads to the internal channel inside and outside door body in door body and both ends
(2), which includes being embedded in inside door body in the straight-through portion (41) moved towards vertically and being connected to respectively with straight-through portion both ends
Bending section (42), two bending sections are located at the upper and lower part of door body；The ventilation total amount of all internal channels and step (I)
The ventilation of gained is flux matched.
9. according to the method that a kind of noise reduction for building of claim 5~8 any one of them is protected from light gravity-flow ventilation, feature
It is, filter (10) or/and sealing plate (12) is equipped in the internal channel.
10. the method that a kind of noise reduction for building according to claim 9 is protected from light gravity-flow ventilation, which is characterized in that institute
It states and is additionally provided with air filtration layer (11) in internal channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069148.9A CN108360842B (en) | 2018-01-24 | 2018-01-24 | Noise-reducing and light-avoiding natural ventilation method for building |
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|---|---|---|---|
| CN201810069148.9A CN108360842B (en) | 2018-01-24 | 2018-01-24 | Noise-reducing and light-avoiding natural ventilation method for building |
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| CN108360842B CN108360842B (en) | 2020-01-07 |
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| CN108360842B (en) | 2020-01-07 |
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