CN207166943U - One kind ventilation trench and isolating device - Google Patents
One kind ventilation trench and isolating device Download PDFInfo
- Publication number
- CN207166943U CN207166943U CN201721049302.3U CN201721049302U CN207166943U CN 207166943 U CN207166943 U CN 207166943U CN 201721049302 U CN201721049302 U CN 201721049302U CN 207166943 U CN207166943 U CN 207166943U
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- noise reduction
- trench
- reduction sound
- flase floor
- cover plate
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Abstract
The utility model discloses one kind ventilation trench and isolating device, wherein, ventilation trench includes ground groove and trench cover plate；The noise reduction sound arrester being arranged between described ground groove and the trench cover plate, formed with the first vent passages 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 of first flase floor described in the vent passages UNICOM and the opening of second flase floor, air are circulated by the opening of being open of first flase floor, first vent passages and second flase floor.The technical scheme that the utility model embodiment provides, it is poor to solve trench defening effect of divulging information in the prior art, cause the problem of noise is to outward leakage, radiating and sound insulation can be taken into account, meet the living environment of citizen requirement low noise nearby, had highly application value around the electrical equipment of urban spraw.
Description
Technical field
The utility model embodiment is related to electrical equipment ventilation noise reduction technology field, more particularly to a kind of ventilation trench and every
From device.
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 large electric equipment amount of heat and noise as caused by transformer, radiator etc. greatly affect in urban district
The life of neighbouring resident.
The ventilation denoising device of generally use is to be carried out more than ground using acoustic barrier around electrical equipment at present
Noise reduction, below ground are aerated radiating using ventilation trench.Noise caused by electrical equipment can be by trench of divulging information to leaking
Dew, noise is larger, can not meet the living environment of neighbouring citizen requirement low noise.
Utility model content
The utility model provides a kind of ventilation trench and isolating device, passes through ventilation to solve noise caused by electrical equipment
The problem of trench is to outward leakage, reach the effect for reducing noise.
In a first aspect, the utility model embodiment provides a kind of ventilation trench, including：
Ground groove and trench cover plate；
The noise reduction sound arrester being arranged between described ground groove and the trench cover plate, the noise reduction sound arrester and institute
State between ground groove and the trench cover plate formed with the first vent passages；
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 utility model embodiment additionally provide a kind of isolating device, and the isolating device includes：Acoustic barrier
With the ventilation trench described in first aspect, the acoustic barrier is arranged at the top of the ventilation trench, first flase floor
It is located at the both sides of the acoustic barrier respectively with second flase floor.
The ventilation trench and isolating device that the utility model embodiment provides, in the ground groove and trench cover plate of ventilation trench
Between noise reduction sound arrester is set, noise reduction sound arrester can stop and absorb a part of noise, and noise reduction sound arrester with
Between described ground groove and the trench cover plate formed with the first vent passages, air can by the opening of the first flase floor,
The opening of first vent passages and the second flase floor circulate, the heat of electrical equipment side can be shed, can take into account radiating and
Sound insulation.Solve the problems, such as noise caused by electrical equipment in the prior art by trench of divulging information to outward leakage, and can be with
Radiated by the first vent passages, on the premise of basic heat sinking function is realized, reduce noise, meet citizen requirement nearby
The living environment of low noise, it is had highly application value around the electrical equipment of urban spraw.
Brief description of the drawings
Fig. 1 is a kind of structural representation for ventilation trench that the utility model embodiment provides；
Fig. 2A is a kind of diagrammatic cross-section for ventilation trench that the utility model embodiment provides；
Fig. 2 B are the diagrammatic cross-sections for another ventilation trench that the utility model embodiment provides；
Fig. 2 C are the diagrammatic cross-sections for another ventilation trench that the utility model embodiment provides；
Fig. 2 D are a kind of noise reduction sound insulationg board schematic diagrames that the utility model embodiment provides；
Fig. 2 E are the diagrammatic cross-sections for another ventilation trench that the utility model embodiment provides；
Fig. 2 F are the diagrammatic cross-sections for another ventilation trench that the utility model embodiment provides；
Fig. 3 is a kind of structural representation for isolating device that the utility model embodiment provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Fig. 1 is a kind of structural representation for ventilation trench that the utility model embodiment provides.Referring to Fig. 1, the ventilation
The concrete structure of ditch 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 formed with the first vent passages 6 between trench cover plate 3；
Wherein, trench cover plate 2 includes at least one first flase floor 4 and at least one second flase floor 5, and vent passages connect
The opening of logical first flase floor 4 and the opening of the second flase floor 5, 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 utility model embodiment, ventilation trench is commonly available to around electrical equipment, and ground groove 1 can pour shape
Into or precast concrete harden structure, the depth and width and shape of groove can be configured according to demand.Trench cover plate 2 is positioned at ground
The top of groove 1, its material are 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 positioned 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 that air-flow passes through using chamber 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, direction of arrow instruction air are formed between sound sound arrester 3 and ground groove 1 and trench cover plate 3
Flow direction.
First flase floor 4 and the second flase floor 5 are that the opening of trench cover plate is set, and are set generally according to the length of ventilation trench
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, ensure 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
Between groove and trench cover plate formed with the first vent passages, air can be by the first flase floor opening, the first vent passages
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 in technology noise caused by electrical equipment by trench of divulging information to outward leakage, and can also be logical by the first ventilation
Road is radiated, and on the premise of basic heat sinking function is realized, is reduced noise, is met the inhabitation ring of citizen requirement low noise nearby
Border, it is had highly application value around the electrical equipment of urban spraw.
Fig. 2A is a kind of diagrammatic cross-section for ventilation trench that the utility model embodiment provides.Referring to Fig. 2A, in this reality
On the basis of ventilation trench with the offer of new any embodiment, noise reduction sound arrester includes at least one noise reduction sound insulationg board 301,
It is fixed on ground groove 1 and/or trench cover plate 2.Noise reduction sound insulationg board 301 can be fixed on ground groove 1 on, be arranged in parallel one or
It is multiple, direction of arrow instruction air-flow direction..Sound is often just decayed through the sound of noise reduction sound insulationg board 301, volume decrease
Low, the noise reduction sound insulationg board 301 that be arranged in parallel can increase the decay number of sound, according to nation-building construction reference and resident living area
Noise requirements, while influence of the material of noise reduction sound insulationg board 301 being considered as to anti-acoustic capability sets installation number.
Exemplary, referring to Fig. 2 B, Fig. 2 B are that the section for another ventilation trench that the utility model embodiment provides shows
It is intended to, 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
It is individual, direction of arrow instruction air-flow direction.
Exemplary, referring to Fig. 2 C, Fig. 2 C are the arrangements for another noise reduction sound insulationg board that the utility model embodiment provides
Schematic diagram, in the schematic diagram, ground groove 1 is fixed in 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, ventilation orifice 313 forms first
Vent passages 6, direction of arrow instruction air-flow direction.Preferably, referring to Fig. 2 D, Fig. 2 D are that the utility model embodiment provides
A kind of schematic diagram of noise elimination dividing plate.It can be seen that ventilation orifice 313 is provided with noise reduction sound insulationg board 303, ventilation orifice 313
Be shaped as cylinder.The shape of ventilation orifice 313 can also be other regularly or irregularly polygonal bodies.So set
It is advantageous in that noise reduction sound insulationg board both ends are fixed and make it that stability is stronger, has taken into account the ventilation ventilation and heat of trench and noise reduction
Energy.
Exemplary, referring to Fig. 2 E, Fig. 2 E are that the section for another ventilation trench that the utility model embodiment provides shows
It is intended to, in the schematic diagram, the noise reduction sound insulationg board being fixed on ground groove 1 is the first noise reduction sound insulationg board 304, and the first noise reduction is insulated against sound
The first gap 314 is formed between plate and 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 the second noise reduction sound insulationg board and ground groove.First noise reduction sound insulationg board 304 and the second noise reduction sound insulation
Plate 305 is 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, the direction of arrow
Indicate 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
Circular degree, so as to reach the purpose of further noise reduction.
Exemplary, referring to Fig. 2 F, Fig. 2 F are that the section for another ventilation trench that the utility model embodiment provides shows
It is intended to, 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 the first noise reduction sound insulationg board 304 and ground 1 angled setting of groove, the second noise reduction sound insulationg board 305 is with trench cover plate 2 with identical
Angle is 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 leaves gap, should
Gap forms the first vent passages 6, direction of arrow instruction air-flow direction.Equal angular be arranged at intervals make to add noise reduction every
The area of sound, anti-acoustic capability are higher.
On the basis of the noise reduction sound arrester that the utility model any embodiment provides, it is preferred that ground groove 1 is prefabricated
Or poured in place concrete ground groove, it is arranged to U-shape structure.Trench cover plate 2 also includes U-shaped main board, and main board is located at trench
In groove 1, 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 ground groove
It is previously prepared or cast in situs U-shape structure, prepares 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 utility model embodiment also provides a kind of isolating device, and Fig. 3 is that a kind of cross-sectional structure of isolating device is illustrated
Figure.On the basis of the noise reduction sound arrester that the utility model any embodiment provides, this isolating device includes acoustic barrier 8
The ventilation trench provided with the utility model any embodiment, acoustic barrier 8 are arranged on the top of ventilation trench, the first flase floor
4 and second flase floor 5 respectively be located at acoustic barrier 8 both sides, the side of the second flase floor 5 is provided with electrical equipment 9.This isolation dress
The timely ventilation and heat of electrical equipment can not only be caused by putting, and around electrical equipment 9, ground is carried out above by acoustic barrier 8
Noise reduction, below ground is divulged information by trench of divulging information and noise reduction, and more than ground and below ground has good noise reduction, meets
Electrical equipment surrounding resident living environment demand up to standard.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (9)
1. one kind ventilation trench, it is characterised in that including：
Ground groove and trench cover plate；
The noise reduction sound arrester being arranged between described ground groove and the trench cover plate, the noise reduction sound arrester with describedly
Formed with the first vent passages 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 of first vent passages and second flase floor circulates.
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 are 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
Wall on, each form gap 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 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.
A kind of 9. isolating device, it is characterised in that including the ventilation trench described in acoustic barrier and claim any one of 1-8,
The acoustic barrier sets the top with the ventilation trench, and first flase floor and second flase floor are located at institute respectively
State the both sides of acoustic barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721049302.3U CN207166943U (en) | 2017-08-17 | 2017-08-17 | One kind ventilation trench and isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721049302.3U CN207166943U (en) | 2017-08-17 | 2017-08-17 | One kind ventilation trench and isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166943U true CN207166943U (en) | 2018-03-30 |
Family
ID=61717194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721049302.3U Active CN207166943U (en) | 2017-08-17 | 2017-08-17 | One kind ventilation trench and isolating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207166943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333455A (en) * | 2017-08-17 | 2017-11-07 | 上海电力设计院有限公司 | One kind ventilation trench and isolating device |
-
2017
- 2017-08-17 CN CN201721049302.3U patent/CN207166943U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333455A (en) * | 2017-08-17 | 2017-11-07 | 上海电力设计院有限公司 | One kind ventilation trench and isolating device |
| CN107333455B (en) * | 2017-08-17 | 2023-09-12 | 上海电力设计院有限公司 | Ventilating trench and isolation device |
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