CN210216772U - Detachable sound insulation cover - Google Patents
Detachable sound insulation cover Download PDFInfo
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- CN210216772U CN210216772U CN201920325295.8U CN201920325295U CN210216772U CN 210216772 U CN210216772 U CN 210216772U CN 201920325295 U CN201920325295 U CN 201920325295U CN 210216772 U CN210216772 U CN 210216772U
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Abstract
The utility model discloses a detachable sound insulation cover which is arranged in a factory building, wherein a transformer is arranged in the factory building, and four sides of the transformer are surrounded by the detachable sound insulation cover; totally closed detachable noise reduction device includes: the integrated sound insulation wall is divided into a first sound insulation wall and a second sound insulation wall from bottom to top, and the first sound insulation wall is sequentially provided with a first air inlet noise eliminator, a first sound insulation door, a first sound absorption plate, a second sound insulation door and a second air inlet noise eliminator from left to right; the top of transformer is equipped with the top steel construction, and the top steel construction is through excessive briquetting and bolt and the top sound-proof wall fixed connection who locates the transformer top. The utility model discloses detachable sound proof cover has solved the great unable better sound insulation of current convertor station internal noise, and the lower problem of flexibility can't be dismantled to the equipment of making an uproar of falling.
Description
Technical Field
The utility model relates to an acoustics technical field especially relates to a detachable sound proof cover.
Background
With the development of modern industry, daily civil electric appliances are popularized, the voltage load is caused frequently by electricity utilization, and the noise of the converter station occupies a considerable proportion in the urban environment noise in China. The noise of the converter station seriously harms the health of workers and interferes the rest of residents, and the converter station becomes a recognized important environmental hazard. The various equipment in the converter station operates at a high noise level. Aiming at the situation, on the basis of years of application research and practice of related equipment and sound fields, Shanghai Shenhua acoustic equipment Limited company develops and succeeds a converter station equipment series sound insulation and elimination equipment, effectively controls converter station noise and forms a whole set of economic and actual treatment method.
The noise sources of the converter station are more, and the noise sources of equipment of the converter station are mainly noise of a converter transformer and noise of a smoothing reactor and a capacitor in an alternating current filter field. The noise with larger sound power level is generated by the transmission of relevant equipment bodies such as a converter station transformer and the like through a line and a pipeline structure or the generation of structural resonance, the processing modes and methods are different, accurate judgment is required, the optimal effect is achieved with small investment, the cooperation promotion of a project contractor and a manufacturer is promoted, and the harmony of an equipment manufacturer and a user is promoted
Therefore, the existing converter station generally has the following problems: 1, the noise control is difficult to reach the standard while the ventilation and the heat dissipation are ensured; 2. a plurality of sound sources are overlapped; 3. the low-frequency sound is difficult to treat, and the poor treatment cannot meet the requirement of an NR curve; 4. the inspection device cannot reach a movable structure which can be inspected and disassembled so as to meet the requirements of maintenance and overhaul; 5. the fireproof requirement of the material is high.
Therefore, the technical problems that the existing converter station is difficult to ensure ventilation and heat dissipation, and simultaneously ensures that noise treatment is up to standard and easy, a plurality of sound sources are overlapped, low-frequency sound is difficult to treat, the treatment is not good and can not meet the NR curve requirement, a movable structure which can be observed, disassembled and moved can not be achieved, the requirements for maintenance and overhaul and the high requirement for fire prevention of materials are met, and the like are urgently needed to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem who exists in the current, provide a detachable sound proof cover.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the detachable sound insulation cover is arranged in a factory building, a transformer is arranged in the factory building, four sides of the transformer are surrounded by the detachable sound insulation cover, the detachable sound insulation cover consists of a surface fire wall and a surface comprehensive sound insulation wall, the comprehensive sound insulation wall is divided into a first sound insulation wall and a second sound insulation wall from bottom to top, and the first sound insulation wall is sequentially provided with a first air inlet noise eliminator, a first sound insulation door, a first sound absorption plate, a second sound insulation door and a second air inlet noise eliminator from left to right; the top of factory building is equipped with the top steel construction, the top steel construction through excessive briquetting and bolt with locate the top sound-proof wall fixed connection of transformer top.
Further, an air outlet noise eliminator is arranged at the top of the factory building in a penetrating mode, and the lower end face of the air outlet noise eliminator is fixedly connected with the low-noise fan through canvas reducing bolts.
Furthermore, the air outlet noise eliminator is arranged in the middle of the plant, the ladder stand is vertically arranged between the air outlet noise eliminator and the detachable sound insulation cover, the top sound insulation wall is provided with an observation window, and the observation window is arranged right above the ladder stand.
Furthermore, a first spray pipe hole is formed above the first air inlet noise eliminator, a spray pipe penetrates through the spray pipe hole, and the spray pipe is fixed on the inner wall of the firewall through an elastic support or an elastic pad.
Furthermore, second spraying pipe holes are formed in the left end and the right end of the top sound insulation wall upper end face.
Further, the first air inlet silencing device and the second air inlet silencing device are both zp100 type sheet type silencers.
Further, the first sound-proof door and the second sound-proof door are respectively composed of a back plate, a core material and a panel, the back plate is a galvanized plate with the thickness of 1.5mm-2.0mm, the core material is 80K mineral wool with the thickness of 60mm, and the panel is a galvanized plate with the thickness of 2.0mm-3.0 mm.
Furthermore, the second sound insulation wall and the first sound absorption plate are both composed of a back plate, a core material and a panel, the back plate is a galvanized plate with the thickness of 1.5mm-2.0mm, the core material is 48K glass wool with the thickness of 100mm, and the panel is a galvanized perforated plate with the thickness of 1.2mm-2.0 mm.
Furthermore, the top sound insulation wall is composed of a back plate, a core material and a panel, the back plate is a galvanized plate with the thickness of 1.5mm-2.0mm, the core material is 48K glass wool with the thickness of 150mm, and the panel is a galvanized perforated plate with the thickness of 1.0mm-1.5 mm.
Furthermore, the hole diameter of the galvanized perforated plate is 4-6mm, and the porosity is 20-30%.
The above technical scheme is adopted in the utility model, compared with the prior art, following technological effect has:
the utility model provides a detachable sound-proof cover has solved the great unable better sound insulation of current convertor station internal noise greatly, falls the lower problem of the unable dismantlement flexibility of equipment of making an uproar, its simple structure, repacking low cost, but wide application in current convertor station.
Drawings
FIG. 1 is a distribution diagram of the detachable sound insulation cover of the present invention in a factory building;
FIG. 2 is a vertical view of the detachable sound-proof cover of the present invention;
FIG. 3 is a top view of the detachable sound-proof cover of the present invention;
wherein the reference symbols are:
1-factory building, 2-transformer, 3-detachable sound insulation cover, 4-comprehensive sound insulation wall, 41-first sound insulation wall, 42-second sound insulation wall, 411-first air inlet silencing device, 412-first sound insulation door, 413-first sound absorption plate, 414-second sound insulation door, 415-second air inlet silencing device, 416-first spray pipe hole, 5-firewall, 6-top steel structure, 7-excessive pressing block, 8-top sound insulation wall, 81-second spray pipe hole, 9-air outlet silencing device, 10-low noise fan, 11-ladder stand and 12-observation window.
Detailed Description
The present invention will be described in detail and specifically with reference to specific embodiments so as to provide a better understanding of the present invention, but the following embodiments do not limit the scope of the present invention.
As shown in fig. 1-3, an embodiment of the present invention provides a detachable sound-insulating cover, which is installed in a plant 1, wherein a transformer 2 is disposed in the plant 1, and four sides of the transformer 2 are surrounded by the detachable sound-insulating cover 3; the detachable sound insulation cover 3 is composed of 3 firewall 5 and 1 comprehensive sound insulation wall 4, the comprehensive sound insulation wall 4 is divided into a first sound insulation wall 41 and a second sound insulation wall 42 from bottom to top, the first sound insulation wall 41 is provided with a first air inlet silencer 411, a first sound insulation door 412, a first sound absorption plate 413, a second sound insulation door 414 and a second air inlet silencer 415 from left to right; the top of factory building 1 is equipped with top steel construction 6, and top steel construction 6 is through excessive briquetting 7 and bolt and the top sound-proof wall 8 fixed connection who locates the transformer 2 top.
In one aspect of this embodiment, as shown in fig. 1 to 3, an air outlet noise eliminator 9 is installed at the top of the factory building 1 in a penetrating manner, and the lower end surface of the air outlet noise eliminator 9 is fixedly connected with a low noise blower 10 through a canvas reducing bolt.
In one aspect of this embodiment, as shown in fig. 1, the air outlet silencer 9 is disposed in the middle of the factory building 1, a ladder 11 is vertically disposed between the air outlet silencer 9 and the detachable sound-proof cover 3, an observation window 12 is disposed on the top sound-proof wall 8, and the observation window 12 is disposed right above the ladder 11.
In one aspect of this embodiment, as shown in fig. 2, a first spray pipe hole 416 is formed above the first intake silencer 411, a spray pipe penetrates through the spray pipe hole 416, and the spray pipe is fixed on the inner wall of the firewall 5 through an elastic support or an elastic pad.
In one aspect of this embodiment, as shown in fig. 2, the top sound-insulating wall 8 has second shower holes 81 formed at both ends of the top surface.
In one aspect of this embodiment, as shown in FIG. 2, the first intake silencer 411 and the second intake silencer 415 are both zp100 type plate silencers.
In one aspect of this embodiment, as shown in FIG. 2, the first and second soundproof doors 412 and 414 are each composed of a back plate, a core material, and a face plate, the back plate being a galvanized sheet with a thickness of 1.5mm to 2.0mm, the core material being 80K mineral wool with a thickness of 60mm, and the face plate being a galvanized sheet with a thickness of 2.0mm to 3.0 mm.
In one aspect of this embodiment, as shown in fig. 2, the second sound-insulating wall 42 and the first sound-absorbing plate 413 are each composed of a back plate, a core material and a face plate, the back plate is a galvanized plate with a thickness of 1.5mm to 2.0mm, the core material is 48K glass wool with a thickness of 100mm, and the face plate is a galvanized perforated plate with a thickness of 1.2mm to 2.0 mm.
In one aspect of this embodiment, as shown in FIG. 3, the top sound-proof wall 8 is composed of a back plate, a core material and a face plate, wherein the back plate is a galvanized plate with a thickness of 1.5mm-2.0mm, the core material is 48K glass wool with a thickness of 150mm, and the face plate is a galvanized perforated plate with a thickness of 1.0mm-1.5 mm.
In one aspect of this example, as shown in FIGS. 2-3, the galvanized perforated sheet has a hole diameter of 4-6mm and a porosity of 20-30%.
The utility model discloses detachable sound-proof cover is difficult guaranteeing ventilation cooling's in to current converter station, guarantees again that the noise treatment is up to standard, easy, a plurality of sound source stack phenomenon appear, the low frequency sound is difficult to administer, administer not good can not accord with NR curve requirement, can't reach and can patrol, can dismantle, movable structure to satisfy the requirement that the maintenance and repair will and the higher scheduling problem of material fire prevention requirement, the utility model discloses detachable sound-proof cover has solved the great unable better sound insulation of current converter station internal noise greatly, and noise reduction equipment can't dismantle the lower problem of flexibility, and its simple structure reequips low cost, but wide application in current converter station.
The above detailed description of the embodiments of the detachable sound-proof cover of the present invention is only by way of example, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (10)
1. A detachable sound insulation cover is installed in a factory building (1), a transformer (2) is arranged in the factory building (1), and four sides of the transformer (2) are surrounded by the detachable sound insulation cover (3), and the detachable sound insulation cover is characterized in that the detachable sound insulation cover (3) consists of a 3-face firewall (5) and a 1-face comprehensive sound insulation wall (4), the comprehensive sound insulation wall (4) is divided into a first sound insulation wall (41) and a second sound insulation wall (42) from bottom to top, and the first sound insulation wall (41) is sequentially provided with a first air inlet silencing device (411), a first sound insulation door (412), a first sound insulation plate (413), a second sound insulation door (414) and a second air inlet silencing device (415) from left to right; the top of factory building (1) is equipped with top steel construction (6), top steel construction (6) through excessive briquetting (7) and bolt with locate the top sound-proof wall (8) fixed connection of transformer (2) top.
2. The detachable sound insulation cover according to claim 1, wherein an air outlet noise eliminator (9) is arranged at the top of the plant (1) in a penetrating manner, and the lower end surface of the air outlet noise eliminator (9) is fixedly connected with the low-noise fan (10) through canvas reducing bolts.
3. The detachable sound insulation cover according to claim 2, wherein the air outlet silencer (9) is arranged in the middle of the plant (1), a ladder (11) is vertically arranged between the air outlet silencer (9) and the detachable sound insulation cover (3), the top sound insulation wall (8) is provided with an observation window (12), and the observation window (12) is arranged right above the ladder (11).
4. The detachable sound insulation cover according to claim 1, wherein a first spray pipe hole (416) is formed above the first air intake silencer device (411), a spray pipe penetrates through the spray pipe hole (416), and the spray pipe is fixed on the inner wall of the firewall (5) through an elastic support or an elastic pad.
5. The detachable sound insulation cover according to claim 1, wherein the top of the upper end surface of the top sound insulation wall (8) is provided with second spray pipe holes (81) at the left and right ends.
6. The removable sound-proof cover of claim 1, characterized in that the first inlet air muffler device (411) and the second inlet air muffler device (415) are zp100 type plate mufflers.
7. The removable acoustic enclosure of claim 1, wherein the first acoustic door (412) and the second acoustic door (414) are each comprised of a backing sheet, a core material, and a face sheet, the backing sheet being a galvanized sheet having a thickness of 1.5mm to 2.0mm, the core material being 80K mineral wool having a thickness of 60mm, and the face sheet being a galvanized sheet having a thickness of 2.0mm to 3.0 mm.
8. The removable acoustic enclosure of claim 1, wherein the second acoustic wall (42) and the first acoustic panel (413) are each comprised of a back sheet, a core material, and a face sheet, the back sheet is a galvanized sheet with a thickness of 1.5mm to 2.0mm, the core material is 48K glass wool with a thickness of 100mm, and the face sheet is a galvanized perforated sheet with a thickness of 1.2mm to 2.0 mm.
9. The removable acoustic enclosure according to claim 1, characterized in that the top acoustic wall (8) is composed of a back plate, a core material and a face plate, the back plate is a galvanized sheet with a thickness of 1.5mm-2.0mm, the core material is 48K glass wool with a thickness of 150mm, and the face plate is a galvanized perforated sheet with a thickness of 1.0mm-1.5 mm.
10. The removable sound-proof cover according to claim 8 or 9, characterized in that the galvanized perforated plate has a hole diameter of 4-5mm and a porosity of 20-30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920325295.8U CN210216772U (en) | 2019-03-14 | 2019-03-14 | Detachable sound insulation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920325295.8U CN210216772U (en) | 2019-03-14 | 2019-03-14 | Detachable sound insulation cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210216772U true CN210216772U (en) | 2020-03-31 |
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ID=69914988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920325295.8U Expired - Fee Related CN210216772U (en) | 2019-03-14 | 2019-03-14 | Detachable sound insulation cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210216772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111767638A (en) * | 2020-05-22 | 2020-10-13 | 云南电网有限责任公司 | Outdoor transformer substation sound insulation cover modular design method |
-
2019
- 2019-03-14 CN CN201920325295.8U patent/CN210216772U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111767638A (en) * | 2020-05-22 | 2020-10-13 | 云南电网有限责任公司 | Outdoor transformer substation sound insulation cover modular design method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |