CN107333455A - One kind ventilation trench and isolating device - Google Patents
One kind ventilation trench and isolating device Download PDFInfo
- Publication number
- CN107333455A CN107333455A CN201710707349.2A CN201710707349A CN107333455A CN 107333455 A CN107333455 A CN 107333455A CN 201710707349 A CN201710707349 A CN 201710707349A CN 107333455 A CN107333455 A CN 107333455A
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- China
- Prior art keywords
- noise reduction
- trench
- reduction sound
- flase floor
- cover plate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Building Environments (AREA)
Abstract
The invention discloses one kind ventilation trench and isolating device, wherein, ventilation trench includes ground groove and trench cover plate；The noise reduction sound arrester between described ground groove and the trench cover plate is arranged at, the first vent passages are formed between the noise reduction sound arrester and described ground groove and the trench cover plate；Wherein, the trench cover plate includes at least one first flase floor and at least one second flase floor, the opening and the opening of second flase floor of first flase floor described in the vent passages UNICOM, air are circulated by the opening of being open of first flase floor, first vent passages and second flase floor.Technical scheme provided in an embodiment of the present invention, solve ventilation trench defening effect in the prior art poor, cause the problem of noise is to outward leakage, radiating and sound insulation can be taken into account, the living environment of citizen requirement low noise nearby is met, is had highly application value around the electrical equipment of urban spraw.
Description
Technical field
Filled the present embodiments relate to electrical equipment ventilation noise reduction technology field, more particularly to a kind of ventilation trench and isolation
Put.
Background technology
With the fast development and the improvement of people's living standards of economic society, the quality of living environment is paid close attention to as people
Focus, and the amount of heat and noise of such as generation such as transformer, radiator of large electric equipment are greatly affected in urban district
The life of neighbouring resident.
The ventilation denoising device generally used around electrical equipment at present is using acoustic barrier progress more than ground
Noise reduction, below ground is aerated radiating using ventilation trench.The noise that electrical equipment is produced can be by trench of divulging information to leaking
Dew, noise is larger, it is impossible to meet the living environment of citizen requirement low noise nearby.
The content of the invention
The present invention provides a kind of ventilation trench and isolating device, and trench of divulging information is passed through with the noise for solving electrical equipment generation
The problem of to outward leakage, reach the effect of reduction noise.
In a first aspect, the embodiments of the invention provide one kind ventilation trench, including：
Ground groove and trench cover plate；
It is arranged at the noise reduction sound arrester between described ground groove and the trench cover plate, the noise reduction sound arrester and institute
State and be formed with the first vent passages between ground groove and the trench cover plate；
Wherein, the trench cover plate includes at least one first flase floor and at least one second flase floor, the ventilation
Passage connects the opening of first flase floor and the opening of second flase floor, and air is opened by first flase floor
The opening circulation of mouth, first vent passages and second flase floor.
Second aspect, the embodiment of the present invention additionally provides a kind of isolating device, and the isolating device includes：Acoustic barrier and
Ventilation trench described in one side, the acoustic barrier is arranged at the top of the ventilation trench, first flase floor and institute
State the both sides that the second flase floor is located at the acoustic barrier respectively.
Ventilation trench provided in an embodiment of the present invention and isolating device, between the ground groove and trench cover plate of ventilation trench
Noise reduction sound arrester is set, and noise reduction sound arrester can stop and absorb a part of noise, and noise reduction sound arrester with it is described
The first vent passages, air are formed between ground groove and the trench cover plate can be by the opening of the first flase floor, first
The opening circulation of vent passages and the second flase floor, the heat of electrical equipment side can be shed, can take into account radiating and sound insulation.
Solve noise that electrical equipment in the prior art produces by trench of divulging information to outward leakage the problem of, and can also be by the
One vent passages are radiated, on the premise of basic heat sinking function is realized, reduce noise, meet citizen requirement low noise nearby
Living environment, had highly application value around the electrical equipment of urban spraw.
Brief description of the drawings
Fig. 1 is a kind of structural representation of trench of divulging information provided in an embodiment of the present invention；
Fig. 2A is a kind of diagrammatic cross-section of trench of divulging information provided in an embodiment of the present invention；
Fig. 2 B are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention；
Fig. 2 C are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention；
Fig. 2 D are a kind of noise reduction sound insulationg board schematic diagrames provided in an embodiment of the present invention；
Fig. 2 E are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention；
Fig. 2 F are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of isolating device provided in an embodiment of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Fig. 1 is a kind of structural representation of trench of divulging information provided in an embodiment of the present invention.Referring to Fig. 1, the ventilation trench
Concrete structure is as follows：
Ground groove 1 and trench cover plate 2；
Be arranged at ground groove 1 and trench cover plate 2 between noise reduction sound arrester 3, noise reduction sound arrester 3 with ground groove 1 with
And the first vent passages 6 are formed between trench cover plate 3；
Wherein, trench cover plate 2 includes at least one the first flase floor 4 and at least one second flase floor 5, and vent passages connect
The opening and the opening of the second flase floor 5 of logical first flase floor 4, opening of the air by the first flase floor 4, the first vent passages
Circulated with the opening of the second flase floor 5.
In the embodiment of the present invention, ventilation trench be commonly available to around electrical equipment, ground groove 1 can be pour to be formed or
Precast slab structure, the depth and width and shape of groove can be configured according to demand.Trench cover plate 2 is located at ground groove 1
Top, its material is can to bear certain pressure and extraneous corrosion and long-lived material, can be concrete, macromolecule
Polymeric material, composite etc..
Noise reduction sound arrester 3 be located at ground groove 1 and trench cover plate 2 between, noise reduction sound arrester 3 be with noise reduction or every
The device of sound function, can allow the utilization chamber that air-flow passes through with managing appropriately combined noise reduction by preventing sound transmission
Plate or using the close material of matter by acoustic isolation and the noise reduction sound insulating material in some space.First vent passages 6 are to disappear
The passage of air circulation air-flow is formed between sound sound arrester 3 and ground groove 1 and trench cover plate 3, the direction of arrow indicates air
Flow direction.
First flase floor 4 and the second flase floor 5 are that the opening of trench cover plate is set, and the length generally according to ventilation trench is set
Put the number of the first flase floor 4 and the second flase floor 5.The both sides of trench cover plate 2 can be symmetrical arranged opening with equidistant intervals, and
The first flase floor 4 and the second flase floor 5 are installed in aperture position.The material of first flase floor 4 and the second flase floor 5 can be iron
Matter, aluminum or alloy material, air can enter from the first flase floor 4, by the first vent passages 6, from the second flase floor 5
Outflow, it is ensured that the ventilation and heat of a large amount of hot gas in electrical equipment side.
The noise reduction sound arrester of ventilation trench can stop and absorb a part of noise, and noise reduction sound arrester and trench
Opening, the first vent passages that the first vent passages, air can be by the first flase floor are formed between groove and trench cover plate
Circulate, the heat of electrical equipment side can be shed with the opening of the second flase floor, radiating and sound insulation can be taken into account.Solve existing
The problem of having the noise that electrical equipment in technology is produced by trench of divulging information to outward leakage, and can also be logical by the first ventilation
Road is radiated, on the premise of basic heat sinking function is realized, reduces noise, meets the inhabitation ring of citizen requirement low noise nearby
Border, has highly application value around the electrical equipment of urban spraw.
Fig. 2A is a kind of diagrammatic cross-section of trench of divulging information provided in an embodiment of the present invention.Referring to Fig. 2A, appoint in the present invention
On the basis of the ventilation trench that embodiment of anticipating is provided, noise reduction sound arrester includes at least one noise reduction sound insulationg board 301, is fixed on ground
On groove 1 and/or trench cover plate 2.Noise reduction sound insulationg board 301 can be fixed on ground groove 1, be arranged in parallel one or more, arrow
Head direction indicates air-flow direction..Sound is often just decayed through the sound of noise reduction sound insulationg board 301, volume reduction, parallel to set
The decay number of times of sound can be increased by putting noise reduction sound insulationg board 301, according to nation-building construction reference and resident living area noise requirements,
Influence of the material of noise reduction sound insulationg board 301 being considered as simultaneously to anti-acoustic capability sets installation number.
Exemplary, referring to Fig. 2 B, Fig. 2 B are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention,
In the schematic diagram, noise reduction sound insulationg board 302 is fixed on trench cover plate 2, be arranged in parallel as desired one or more, arrow
Direction indicates air-flow direction.
Exemplary, referring to Fig. 2 C, Fig. 2 C are the arrangement signals of another noise reduction sound insulationg board provided in an embodiment of the present invention
Figure, in the schematic diagram, ground groove 1 is fixed on by the one end of noise reduction sound insulationg board 303, the other end is fixed on trench cover plate 2.In order to
Ensure ventilation and heat performance, some ventilation orifices 313 are set on noise reduction sound insulationg board 303, the formation of ventilation orifice 313 first is divulged information
Passage 6, the direction of arrow indicates air-flow direction.It is preferred that, referring to Fig. 2 D, Fig. 2 D are that the embodiment of the present invention provides a kind of disappear
The schematic diagram of sound dividing plate.It can be seen that, it is provided with ventilation orifice 313 on noise reduction sound insulationg board 303, ventilation orifice 313 is shaped as
Cylinder.The shape of ventilation orifice 313 can also be other regularly or irregularly polygonal bodies.The benefit so set exists
Fixed in noise reduction sound insulationg board two ends and make it that stability is stronger, taken into account the ventilation and heat and anti-acoustic capability of ventilation trench.
Exemplary, referring to Fig. 2 E, Fig. 2 E are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention,
In the schematic diagram, be fixed on ground groove 1 on noise reduction sound insulationg board be the first noise reduction sound insulationg board 304, the first noise reduction sound insulationg board with
The first gap 314 is formed between trench cover plate；The noise reduction sound insulationg board being fixed on trench cover plate 2 is the second noise reduction sound insulationg board 305,
The second gap 315 is formed between second noise reduction sound insulationg board and ground groove.First noise reduction sound insulationg board 304 and the second noise reduction sound insulationg board
305 are arranged at intervals, meanwhile, the first noise reduction sound insulationg board 304 and the second noise reduction sound insulationg board 305 be arranged in parallel respectively, and the direction of arrow refers to
Show air-flow direction.First noise reduction sound insulationg board and the second noise reduction sound insulationg board, which are arranged at intervals, adds sound in ground groove 1
Around degree, so as to reach the purpose of further noise reduction.
Exemplary, referring to Fig. 2 F, Fig. 2 F are the diagrammatic cross-sections of another ventilation trench provided in an embodiment of the present invention,
In the schematic diagram, the first noise reduction sound insulationg board 304 and the second noise reduction sound insulationg board 305 are set with equal angular, that is to say, that by
One noise reduction sound insulationg board 304 and the angled setting of ground groove 1, the second noise reduction sound insulationg board 305 is with trench cover plate 2 with equal angular
Set, while the first noise reduction sound insulationg board 304 and the second noise reduction sound insulationg board 305 be arranged in parallel respectively, and leave gap, the gap
The first vent passages 6 are formed, the direction of arrow indicates air-flow direction.Equal angular, which is arranged at intervals, to be made to add noise reduction sound insulation
Area, anti-acoustic capability is higher.
On the basis of the noise reduction sound arrester that any embodiment of the present invention is provided, it is preferred that ground groove 1 is prefabricated or existing
Casting concrete ground groove, is set to U-shape structure.Trench cover plate 2 also includes U-shaped main board, and main board is located at ground groove 1
Interior, the first flase floor 4 and the second flase floor 5 are respectively positioned at the both sides of main board.Prefabricated or poured in place concrete groove be
Previously prepared or cast in situs U-shape structure, is prepared simply, conveniently, the U-shaped main board of trench cover plate is arranged on trench cover plate
On, and other devices can be installed above U-shaped main board.
The embodiment of the present invention also provides a kind of isolating device, and Fig. 3 is a kind of cross-sectional structure schematic diagram of isolating device.
On the basis of the noise reduction sound arrester that any embodiment of the present invention is provided, this isolating device includes acoustic barrier 8 and the present invention
The ventilation trench that any embodiment is provided, acoustic barrier 8 is arranged on the top of ventilation trench, the first flase floor 4 and the second grid
Plate 5 is located at the both sides of acoustic barrier 8 respectively, and the side of the second flase floor 5 is provided with electrical equipment 9.This isolating device not only can be with
So that the timely ventilation and heat of electrical equipment, around electrical equipment 9, ground carries out noise reduction above by acoustic barrier 8, ground with
Down by trench ventilation and the noise reduction of divulging information, more than ground and below ground has good noise reduction, electrical equipment week is met
Enclose resident living environment demand up to standard.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (9)
1. one kind ventilation trench, it is characterised in that including：
Ground groove and trench cover plate；
Be arranged at the noise reduction sound arrester between described ground groove and the trench cover plate, the noise reduction sound arrester with describedly
The first vent passages are formed between groove and the trench cover plate；
Wherein, the trench cover plate includes at least one first flase floor and at least one second flase floor, the vent passages
Connect the opening of first flase floor and the opening of second flase floor, air by the opening of first flase floor,
The opening circulation of first vent passages and second flase floor.
2. ventilation trench according to claim 1, it is characterised in that the noise reduction sound arrester includes at least one noise reduction
Sound insulationg board, the noise reduction sound insulationg board is fixed on described ground groove and/or the trench cover plate.
3. ventilation trench according to claim 2, it is characterised in that some ventilations are provided with the noise reduction sound insulationg board and are opened
Mouthful, the ventilation orifice forms first vent passages.
4. ventilation trench according to claim 2, it is characterised in that the noise reduction sound insulationg board is both secured to described ground groove
On wall, each gap is formed between the noise reduction sound insulationg board and the cover plate；
Or, the noise reduction sound insulationg board is both secured on the trench cover plate, each noise reduction sound insulationg board and described ground groove
Between form gap.
5. ventilation trench according to claim 2, it is characterised in that the noise reduction sound insulationg board being fixed on described ground groove is
First noise reduction sound insulationg board, the first gap is formed between the first noise reduction sound insulationg board and the trench cover plate；It is fixed on describedly
Noise reduction sound insulationg board on trench cover is the second noise reduction sound insulationg board, and the is formed between the second noise reduction sound insulationg board and described ground groove
Two gaps.
6. ventilation trench according to claim 5, it is characterised in that the first noise reduction sound insulationg board and second noise reduction
Sound insulationg board is arranged at intervals.
7. ventilation trench according to claim 1, it is characterised in that described ground groove is precast concrete ground groove, institute
It is U-shaped to state ground groove.
8. ventilation trench according to claim 7, it is characterised in that the trench cover plate also includes U-shaped main board, described
Main board is located in described ground groove, and first flase floor and second flase floor are located at the two of the main board respectively
Side.
9. a kind of isolating device, it is characterised in that including the ventilation trench described in acoustic barrier and any one of claim 1, institute
Acoustic barrier setting and the top of the ventilation trench are stated, first flase floor and second flase floor are located at described respectively
The both sides of acoustic barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707349.2A CN107333455B (en) | 2017-08-17 | 2017-08-17 | Ventilating trench and isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707349.2A CN107333455B (en) | 2017-08-17 | 2017-08-17 | Ventilating trench and isolation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107333455A true CN107333455A (en) | 2017-11-07 |
| CN107333455B CN107333455B (en) | 2023-09-12 |
Family
ID=60224658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710707349.2A Active CN107333455B (en) | 2017-08-17 | 2017-08-17 | Ventilating trench and isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107333455B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473510A (en) * | 2019-07-31 | 2019-11-19 | 中国船舶重工集团公司第七一四研究所 | A kind of structure cell and return air sound arrester based on phonon crystal |
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| CN207166943U (en) * | 2017-08-17 | 2018-03-30 | 上海电力设计院有限公司 | One kind ventilation trench and isolating device |
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| US20160232885A1 (en) * | 2003-12-22 | 2016-08-11 | Noiseout Inc. | Perforation Acoustic Muffler Assembly and Method of Reducing Noise Transmission Through Objects |
| CN201104002Y (en) * | 2007-09-28 | 2008-08-20 | 陈耀乾 | Whistle box structure of ventilating blower air conduit |
| CN201620621U (en) * | 2009-08-17 | 2010-11-03 | 深圳市海生机房技术有限公司 | Machine room heat dissipation structure and machine room adopting the same |
| CN103021399A (en) * | 2012-11-21 | 2013-04-03 | 华为技术有限公司 | Sound-proof device and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473510A (en) * | 2019-07-31 | 2019-11-19 | 中国船舶重工集团公司第七一四研究所 | A kind of structure cell and return air sound arrester based on phonon crystal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107333455B (en) | 2023-09-12 |
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