CN205561145U - A ventilation noise reduction system for main transformer room - Google Patents
A ventilation noise reduction system for main transformer room Download PDFInfo
- Publication number
- CN205561145U CN205561145U CN201620293889.1U CN201620293889U CN205561145U CN 205561145 U CN205561145 U CN 205561145U CN 201620293889 U CN201620293889 U CN 201620293889U CN 205561145 U CN205561145 U CN 205561145U
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- noise
- main transformer
- ventilation
- ventilating
- elimination
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- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 238000003379 elimination reaction Methods 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 10
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000008397 galvanized steel Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000005520 electrodynamics Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000008030 elimination Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a synthesis of the indoor transformer substation in the city main transformer room noise reduction system that ventilates, it comprises acoustic baffle, the strong air supply arrangement of control by temperature change linkage, ventilation noise elimination soundproof door etc. And its characteristics are: the owner installs the acoustic baffle on becoming the room wall body, and the owner becomes room wall body import department symmetry and installs ventilation noise elimination shutter, installs ventilation noise elimination soundproof door between the ventilation noise elimination shutter, and the owner becomes the indoor location has the strong air supply arrangement of at least two control by temperature changes linkage, and the strong air supply arrangement of control by temperature change linkage is by control by temperature change circuit, forced draught blower, noise elimination tuber pipe soft breeze nest of tubes one -tenth. The aperture of making is opened with its curb plate to the type of falling A cavity through double -deck helmholtz resonance structure acoustic baffle, and ventilation noise elimination soundproof door, and it is strong to realize inhaling sound noise control performance, and the circulating ventilation is effectual, can guarantee main transformer normal operating. Integral erection is convenient, perfect that to have solved the prior art mounted position limited, ventilation cooling is difficult to guarantee with to give sound insulation the noise reduction effect poor that main transformer normally works and noise pollution's problem.
Description
Technical field
This utility model relates to a kind of ventilation noise reduction system for main transformer room, belongs to city indoor substation main transformer chamber ventilated noise reducing apparatus technical field.
Background technology
Along with the fast lifting of people's living standard, power load increases considerably, and original electrical network cannot meet requirement, and indoor type high voltage substation arises at the historic moment, and the most vigorously builds in each big and medium-sized cities.The main transformer of indoor type high voltage substation can produce amount of heat and high-decibel noise, for guaranteeing main transformer and the safe operation of each instrument when working, it usually needs configuration ventilation noise reducing apparatus.The most current ventilation noise reducing apparatus many employings huge discharge blower fan and body of wall install shutter additional, and the composite structural system of " micropunch+sound-absorbing material+cavity " isolation noise reduction, owing to this system covers acoustic damping materials on the body of wall upper berth, four sides of main transformer room, in view of noise diffusion angle and transformator requirement for height, acoustic damping materials be coated with the space that highly necessarily be greater than an installation for transformer 1.5 meters relative closure formed above, so, ventilation and heat in transformer room can only lean on the shutter on body of wall top and huge discharge blower fan to complete, owing to turnover air quantity is the most reciprocity, circulating ventilation is the most smooth, cooling noise reduction is poor, therefore it is difficult to ensure that the normal work of main transformer.
Summary of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, it is provided that a kind of sound-absorbing noise control performance is strong, and circulating ventilation is effective, the ventilation noise reduction system for main transformer room easy for installation；Solve prior art installation site limited, ventilation and heat and sound insulation and noise reduction weak effect, it is difficult to ensure that main transformer normally works and the problem of sound pollution.
This utility model is to realize above-mentioned purpose by the following technical solutions:
This ventilation noise reduction system being used for main transformer room is made up of acoustic board, the temperature control strong air-supply arrangement of linkage, ventilating noise-elimination soundproof door and ventilating noise-elimination shutter, it is characterized in that: being coated with on transformer chamber's body of wall and be provided with acoustic board, acoustic board is made up of metallic framework, side plate and metal decking；Body of wall import department of transformer chamber is symmetrically installed with ventilating noise-elimination shutter, is provided with ventilating noise-elimination soundproof door between ventilating noise-elimination shutter, and ventilating noise-elimination soundproof door is made up of galvanized steel plain sheet door, rustless steel stull, maintenance wicket, ventilating noise-elimination shutter and hinge；After ventilating noise-elimination shutter, electrodynamic valve is installed；Being provided with at least two temperature controls strong air-supply arrangements of linkage in transformer chamber, the temperature control strong air-supply arrangement of linkage is made up of temperature control circuit, pressure fan, muffling air duct and airduct；The fin of the air outlet alignment main transformer of pressure fan, air outlet side connects muffling air duct, and muffling air duct is connected with outdoor ventilating shaft by airduct.
Described acoustic board is double-deck helmholtz resonance structure acoustic board, and the metal decking of acoustic board makes with side sheet room the type of falling A cavity；Open on the side plate of acoustic board and be shaped with aperture；The metal decking of acoustic board and side plate constitute resonator；With sqouynd absorption lowering noise.
The described temperature control strong air-supply arrangement of linkage controls the work of pressure fan by temperature control circuit, and pressure fan is lowered the temperature to the air-supply of main transformer fin by airduct and air outlet；Muffling air duct is connected with outdoor ventilating shaft, and main transformer hot blast is drained into outdoor ventilating shaft by muffling air duct by pressure fan.
The hinge of described ventilating noise-elimination soundproof door is extraordinary hinge, open and close light and flexible, noiselessness.
Described transformer chamber uses metal material to make.
This utility model having the beneficial effects that compared with prior art:
This is used for the ventilation noise reduction system of main transformer room and is opened the aperture of system by the type of the falling A cavity of double-deck helmholtz resonance structure acoustic board and its side plate, and ventilating noise-elimination soundproof door realizes when main transformer operates, noise can be down to less than 40 decibels, being prevented effectively from the noise jamming to urbanite, sound-absorbing noise control performance is strong.By ventilating noise-elimination shutter and the temperature control strong air-supply arrangement of linkage, the hot blast that can be operated by main transformer is discharged to outdoor ventilating shaft, circulating ventilation good cooling effect by muffling air duct, it is ensured that the normal work of main transformer.This ventilation noise reduction system integral installation being used for main transformer room is convenient；Improve that to solve prior art installation site limited, ventilation and heat and sound insulation and noise reduction weak effect, it is difficult to ensure that main transformer normally works and the problem of sound pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of ventilation noise reduction system for main transformer room；
Fig. 2 is the structural representation of acoustic board；
Fig. 3 is the structural representation of ventilating noise-elimination soundproof door；
Fig. 4 is the structural representation of the temperature control strong air-supply arrangement of linkage.
In figure: 1, acoustic board, 2, ventilating noise-elimination soundproof door, 3, ventilating noise-elimination shutter, 4, temperature control link strong air-supply arrangement, 5, transformer chamber；
101, metal decking, 102, side plate, 103, metallic framework, 104, the type of falling A cavity, 105, aperture；
201, galvanized steel plain sheet door, 202, rustless steel stull, 203, maintenance wicket；
401, pressure fan, 402, air outlet, 403, muffling air duct, 404, airduct, 405, outdoor ventilating shaft, 406, main transformer fin.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described in further detail:
This ventilation noise reduction system being used for main transformer room is made up of acoustic board 1, ventilating noise-elimination soundproof door 2, ventilating noise-elimination shutter 3 and the temperature control strong air-supply arrangement 4 of linkage, being coated with on transformer chamber 5 body of wall and be provided with acoustic board 1, acoustic board 1 is made up of metal decking 101, side plate 102 and metallic framework 103；Body of wall import department of transformer chamber 5 is symmetrically installed with ventilating noise-elimination shutter 3, being provided with ventilating noise-elimination soundproof door 2 between ventilating noise-elimination shutter 3, ventilating noise-elimination soundproof door 2 is made up of galvanized steel plain sheet door 201, rustless steel stull 202, maintenance wicket 203, ventilating noise-elimination shutter 3 and hinge；After ventilating noise-elimination shutter 3, electrodynamic valve is installed；Being provided with at least two temperature controls strong air-supply arrangements 4 of linkage in transformer chamber 5, the temperature control strong air-supply arrangement 4 of linkage is made up of temperature control circuit, pressure fan 401, muffling air duct 403 and airduct 404；The air outlet 402 of pressure fan 401 is directed at main transformer fin 406, and air outlet 402 side connects muffling air duct 403, and muffling air duct 403 is connected with outdoor ventilating shaft 405 by airduct 404.
Described acoustic board 1 is double-deck helmholtz resonance structure acoustic board, and making between the metal decking 101 of acoustic board 1 and side plate 102 has the type of falling A cavity 104；Open on the side plate 102 of acoustic board 1 and be shaped with aperture 105；Metal decking 101 and the side plate 102 of acoustic board 1 constitute resonator, with sqouynd absorption lowering noise.
The described temperature control strong air-supply arrangement 4 of linkage, controls the work of pressure fan 401 by temperature control circuit, and pressure fan 401 lowers the temperature to main transformer fin 406 air-supply by airduct 404 and air outlet 402；Muffling air duct 403 and airduct 404 are connected with outdoor ventilating shaft 405, and main transformer hot blast is drained into outdoor ventilating shaft 405 by muffling air duct 403 and airduct 404 by pressure fan 401.
The hinge of described ventilating noise-elimination soundproof door 2 is extraordinary hinge, open and close light and flexible, noiselessness.
Described transformer chamber 5 uses metal material to make.(seeing Fig. 1～4)
After the noise elimination ventilation shutter 3 of this ventilation noise reduction system being used for main transformer room, electrodynamic valve is installed, can automatic shutter noise elimination ventilation shutter 3 as required.Double-deck helmholtz resonance structure acoustic board 1 can absorb the low frequency noise that main transformer operating produces to greatest extent, and ventilating noise-elimination soundproof door 2 is formed occluded air layer by steel skeleton basic unit, galvanized steel plain sheet door 201, constitutes flat board resonance sound-absorbing structure；And it is positioned at the ventilating noise-elimination shutter 3 of this bottom, it is made up of galvanized sheet, on the premise of guaranteeing available ventilation area 50% 60%, has rainproof merit and good sound insulation acoustic attenuation performance concurrently.The temperature control strong air-supply arrangement 4 of linkage and ventilating noise-elimination shutter 3 are by air supply duct and the muffling air duct 403 of end and transformer chamber's outdoor ventilating shaft 405, accept cool exterior air and carry air to main transformer fin 406, form air and circulate exchange, thus reach to increase the radiating and cooling requirement of transformer chamber 5.
This is used for the ventilation noise reduction system of main transformer room and is opened the aperture 105 of system by the type of the falling A cavity 104 of double-deck helmholtz resonance structure acoustic board 1 and its side plate 102, and ventilating noise-elimination soundproof door 2 realizes when main transformer operates, noise can be down to less than 40 decibels, being prevented effectively from the noise jamming to urbanite, sound-absorbing noise control performance is strong.By ventilating noise-elimination shutter 3 and the temperature control strong air-supply arrangement 4 of linkage, the hot blast that can be operated by main transformer is discharged to outdoor ventilating shaft 405, circulating ventilation good cooling effect by muffling air duct 403 and airduct 404, it is ensured that the normal work of main transformer.
The above is preferred embodiment of the present utility model, flesh and blood of the present utility model is not made any pro forma restriction by the example above explanation, any simple modification that above detailed description of the invention has been made after having read this specification by person of an ordinary skill in the technical field according to technical spirit of the present utility model or deformation, and the technology contents possibly also with the disclosure above is changed or is modified to the Equivalent embodiments of equivalent variations, all still fall within the range of technical solutions of the utility model, without departing from spirit and scope of the present utility model.
Claims (4)
1. the ventilation noise reduction system for main transformer room, it is made up of acoustic board (1), ventilating noise-elimination soundproof door (2), ventilating noise-elimination shutter (3) and the temperature control strong air-supply arrangement of linkage (4), it is characterized in that: be coated with on transformer chamber (5) body of wall and be provided with acoustic board (1), acoustic board (1) is made up of metal decking (101), side plate (102) and metallic framework (103)；Transformer chamber (5) body of wall import department is symmetrically installed with ventilating noise-elimination shutter (3), being provided with ventilating noise-elimination soundproof door (2) between ventilating noise-elimination shutter (3), ventilating noise-elimination soundproof door (2) is made up of galvanized steel plain sheet door (201), rustless steel stull (202), maintenance wicket (203), ventilating noise-elimination shutter (3) and hinge；Ventilating noise-elimination shutter is provided with electrodynamic valve after (3)；Being provided with at least two temperature controls strong air-supply arrangement of linkage (4) in transformer chamber (5), the temperature control strong air-supply arrangement of linkage (4) is made up of temperature control circuit, pressure fan (401), muffling air duct (403) and airduct (404)；The air outlet (402) alignment main transformer fin (406) of pressure fan (401), air outlet (402) side connects muffling air duct (403), and muffling air duct (403) is connected with outdoor ventilating shaft (405) by airduct (404).
A kind of ventilation noise reduction system for main transformer room the most according to claim 1, it is characterized in that: described acoustic board (1) is double-deck helmholtz resonance structure acoustic board, makes and have the type of falling A cavity (104) between the metal decking (101) of acoustic board (1) and side plate (102)；Open on the side plate (102) of acoustic board (1) and be shaped with aperture (105)；The metal decking (101) of acoustic board (1) and side plate (102) constitute resonator, with sqouynd absorption lowering noise.
A kind of ventilation noise reduction system for main transformer room the most according to claim 1, it is characterized in that: the described temperature control strong air-supply arrangement of linkage (4), controlled the work of pressure fan (401) by temperature control circuit, pressure fan (401) gives main transformer fin (406) air-supply cooling by airduct (404) and air outlet (402)；Muffling air duct (403) and airduct (404) are connected with outdoor ventilating shaft (405), and main transformer hot blast is drained into outdoor ventilating shaft (405) by muffling air duct (403) and airduct (404) by pressure fan (401).
A kind of ventilation noise reduction system for main transformer room the most according to claim 1, it is characterised in that: described transformer chamber (5) uses metal material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293889.1U CN205561145U (en) | 2016-04-11 | 2016-04-11 | A ventilation noise reduction system for main transformer room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293889.1U CN205561145U (en) | 2016-04-11 | 2016-04-11 | A ventilation noise reduction system for main transformer room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205561145U true CN205561145U (en) | 2016-09-07 |
Family
ID=56811289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620293889.1U Expired - Fee Related CN205561145U (en) | 2016-04-11 | 2016-04-11 | A ventilation noise reduction system for main transformer room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205561145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069480A (en) * | 2017-02-21 | 2017-08-18 | 江苏东晔电气设备有限公司 | A kind of radiating combined type transformer station |
-
2016
- 2016-04-11 CN CN201620293889.1U patent/CN205561145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069480A (en) * | 2017-02-21 | 2017-08-18 | 江苏东晔电气设备有限公司 | A kind of radiating combined type transformer station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |