CN201465756U - Box type transformer sound-proofing cover - Google Patents
Box type transformer sound-proofing cover Download PDFInfo
- Publication number
- CN201465756U CN201465756U CN2009201239230U CN200920123923U CN201465756U CN 201465756 U CN201465756 U CN 201465756U CN 2009201239230 U CN2009201239230 U CN 2009201239230U CN 200920123923 U CN200920123923 U CN 200920123923U CN 201465756 U CN201465756 U CN 201465756U
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- China
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- box type
- type transformer
- top board
- acoustic hood
- cover body
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- Expired - Fee Related
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Abstract
The utility model provides a box type transformer sound-proofing cover with fine sound-proofing effect, convenient use and natural ventilation and radiating functions simultaneously, aiming at noise nuisance of box type transformers. The box type transformer sound-proofing cover comprises a cover body, the lower portion of the cover body is provided with an opening, an air inlet is arranged on a lateral wall of the cover body, an air outlet is arranged on a top plate of the cover plate, an upper cover plate is arranged above the air outlet, a lower cover plate is arranged under the air outlet, the upper cover plate is fixed on the top plate, the lower cover plate is fixed on the top plate or the lateral wall of the cover body, a first silencing passage is formed between the lower cover plate and the top plate, and a second silencing passage is formed between the top plate and the upper cover plate.
Description
Technical field
The utility model relates to a kind of sound insulation and noise reducing equipment, particularly a kind of noise abatement acoustic hood of box type transformer.
Background technology
In urban distribution network, distribution transformer is a kind of more common equipment, especially American case becomes and often is used in the distribution network of residential quarter, and transformer has bigger low-frequency noise because of inner core magnetostriction distortion etc., and surrounding resident and environment are caused very large disturbance.
The utility model content
At the noise hazard of box type transformer, the utility model provides a kind of defening effect good, possesses the natural draft heat sinking function simultaneously, acoustic hood easy to use.
For this reason, the technical solution adopted in the utility model is as follows:
A kind of box type transformer acoustic hood comprises a cover body with lower opening, and faceshield side wall is provided with air inlet, and the cover body top board is provided with air outlet; Described air outlet top is provided with upper cover plate, the air outlet below is provided with lower cover, and upper cover plate is fixed on the top board, and lower cover is fixed on top board or the faceshield side wall, between lower cover and top board, form the first noise elimination passage, between top board and upper cover plate, form the second noise elimination passage.
The ramp type high in the middle of described top board, upper cover plate and lower cover all are designed to, that periphery is low, this impedance type noise reduction design can not only make acoustic hood erasure effect better, can also play rainproof effect.
Described faceshield side wall is provided with retractable structure, is convenient to the high and low pressure switch of transformer is moved, overhauls.Acoustic hood also comprises the cover body base of a hollow, and the cover body base edge is provided with the groove that matches with cover body lower opening edge.
Described air inlet is designed to the air inlet that some one-tenth barrier shapes distribute, and this design can make acoustic hood have better erasure effect.The porch of air inlet also is provided with netted baffle plate, has sound insulation and rainproof effect concurrently.
Described faceshield side wall, cover body top board, upper cover plate, lower cover, air inlet upper wall and air inlet lower wall are three-decker: 1-2mm aluminium alloy plate inwall, 1-3mm steel plate outer wall, be provided with 70-80mm fire prevention rock wool layer between inner and outer wall, described fire prevention rock wool is wrapped with glass wool cloth.
The beneficial effect of the utility model acoustic hood is:
1, air outlet place ramp type top board, upper cover plate and lower cover design, and the air inlet of some one-tenth barrier shape distribution design not only have good natural draft heat sinking function, also have good erasure effect.
2, faceshield side wall, top board, upper cover plate, lower cover, air inlet upper wall and air inlet lower wall are designed to three-decker, and adopt the fire prevention rock wool layer, can play better erasure effect as the intermediate layer.
Description of drawings
Fig. 1 is the longitudinal sectional view of a kind of box type transformer acoustic hood embodiment;
Fig. 2 is the transverse sectional view of a kind of box type transformer acoustic hood embodiment;
Fig. 3 is the contour structures schematic diagram of a kind of box type transformer acoustic hood embodiment;
Fig. 4 is the air inlet sectional structure schematic diagram of a kind of box type transformer acoustic hood embodiment;
Fig. 5 is the air outlet place sectional structure schematic diagram of a kind of box type transformer acoustic hood embodiment.
Embodiment
Below, further specify the utility model with specific embodiment in conjunction with the accompanying drawings.
Referring to accompanying drawing 1-5.As Figure 1-3, the box type transformer acoustic hood of present embodiment comprises a cover body 1 that is surrounded by front, rear, left and right side plate and top board, and air inlet 5 is positioned at cover body one side side plate below, and air outlet is opened on the top board 2.Directly over air outlet 6, be provided with upper cover plate 3, be provided with lower cover 4 under the air outlet, upper cover plate 3 directly is fixed on the top board, lower cover 4 is fixed on top board or the cover body side plate, between lower cover and top board 2, form the first noise elimination passage 7, between top board 2 and upper cover plate 3, form the second noise elimination passage 8.For reaching better soundproof effect, the ramp type high in the middle of top board 2, upper cover plate 3 and lower cover 4 all are designed to, that periphery is low.
Described air inlet is the air inlet 5 that some one-tenth barrier shapes distribute, and in the porch of air inlet netted baffle plate is installed, and further, also can be provided with first weather shield 51 outside air inlet upper wall lateral, is provided with second weather shield 52 in the air inlet lower wall lateral.
Present embodiment also comprises the cover body base of a hollow, and the cover body base edge is provided with the groove that matches with cover body lower opening edge.Move, overhaul for ease of the high and low pressure switch to transformer, cover body one side side plate is designed to openable, also openable access door 9 can be set on side plate.A is a low-voltage distribution cabinet in the cover body, and B is a high-tension distribution box, and C is an oil tank of transformer.
Further, also can be provided with the blower fan installing hole on the lower cover 4, be used to install silent ventilator, automatic temperature control switch control is adopted in blower fan control, and at bad weather, blower fan can be used for heat radiation.
The cover body side plate of present embodiment, top board, upper cover plate, lower cover, air inlet upper wall, air inlet lower wall are three-decker: aluminium alloy plate inwall 11, steel plate outer wall 13, also be provided with fire prevention rock wool layer 12 in the middle of the inner and outer wall, described fire prevention rock wool is wrapped with glass wool cloth.Wherein, cover body side plate, top board, upper cover plate, lower cover inner wall thickness are 1mm, and outer wall is 2mm, and the fire prevention rock wool layer is 75mm; The inner wall thickness of air inlet wall is 1mm, and outer wall is 1mm, and the fire prevention rock wool layer is 75mm.Also can spray one deck damping layer at cover body side plate outer wall.
Claims (10)
1. a box type transformer acoustic hood comprises a cover body (1) with lower opening, and it is characterized in that: faceshield side wall is provided with air inlet (5), and cover body top board (2) is provided with air outlet (6); Described air outlet top is provided with upper cover plate (3), the air outlet below is provided with lower cover (4), upper cover plate is fixed on the top board, lower cover is fixed on top board or the faceshield side wall, between lower cover and top board (2), form the first noise elimination passage (7), between top board (2) and upper cover plate (3), form the second noise elimination passage (8).
2. box type transformer acoustic hood as claimed in claim 1 is characterized in that: described top board (2), upper cover plate (3) and lower cover (4) are middle high, peripheral low ramp type.
3. box type transformer acoustic hood as claimed in claim 2, it is characterized in that: faceshield side wall is provided with opening structure.
4. box type transformer acoustic hood as claimed in claim 3 is characterized in that: described lower cover (4) is provided with the blower fan installing hole.
5. box type transformer acoustic hood as claimed in claim 4 is characterized in that: also comprise the cover body base of a hollow, described cover body base edge is provided with the groove that matches with cover body lower opening edge.
6. as each described box type transformer acoustic hood of claim 1-5, it is characterized in that: also be provided with the fire prevention rock wool layer in the middle of the inner and outer wall of described faceshield side wall, cover body top board, upper cover plate, lower cover, described fire prevention rock wool is wrapped with glass wool cloth.
7. as each described box type transformer acoustic hood of claim 1-5, it is characterized in that: the air inlet that described air inlet (5) distributes for some one-tenth barrier shapes.
8. box type transformer acoustic hood as claimed in claim 7, it is characterized in that: also be provided with the fire prevention rock wool layer in the middle of the inner and outer wall of described faceshield side wall, cover body top board, upper cover plate, lower cover, air inlet upper wall, air inlet lower wall, described fire prevention rock wool is wrapped with glass wool cloth.
9. box type transformer acoustic hood as claimed in claim 8 is characterized in that: the porch of air inlet is provided with netted baffle plate.
10. box type transformer acoustic hood as claimed in claim 8 is characterized in that: inwall is the aluminium alloy plate of 1-2mm, and outer wall is the steel plate of 1-3mm, and the fire prevention rock wool layer is 70-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201239230U CN201465756U (en) | 2009-07-06 | 2009-07-06 | Box type transformer sound-proofing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201239230U CN201465756U (en) | 2009-07-06 | 2009-07-06 | Box type transformer sound-proofing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465756U true CN201465756U (en) | 2010-05-12 |
Family
ID=42393104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201239230U Expired - Fee Related CN201465756U (en) | 2009-07-06 | 2009-07-06 | Box type transformer sound-proofing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465756U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280294A (en) * | 2013-04-27 | 2013-09-04 | 河南省电力公司信阳供电公司 | Novel box-type transformer |
| CN103426593A (en) * | 2013-08-05 | 2013-12-04 | 大同(上海)有限公司 | Ventilation type noncrystalline dry type transformer sound insulation outer box |
| CN104269255A (en) * | 2014-10-21 | 2015-01-07 | 国网浙江慈溪市供电公司 | Noise insulation house |
| CN104914160A (en) * | 2015-06-05 | 2015-09-16 | 国家电网公司 | Testing platform used for noise-reducing material |
| CN108335882A (en) * | 2017-11-29 | 2018-07-27 | 无锡澳蓝特环保科技有限公司 | Substation's exhaust outlet static pressure mechanism |
| CN114068141A (en) * | 2021-10-29 | 2022-02-18 | 国网湖南省电力有限公司 | Fire-proof explosion-venting sound insulation cover for transformer |
-
2009
- 2009-07-06 CN CN2009201239230U patent/CN201465756U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280294A (en) * | 2013-04-27 | 2013-09-04 | 河南省电力公司信阳供电公司 | Novel box-type transformer |
| CN103280294B (en) * | 2013-04-27 | 2016-09-28 | 国家电网公司 | Box type transformer |
| CN103426593A (en) * | 2013-08-05 | 2013-12-04 | 大同(上海)有限公司 | Ventilation type noncrystalline dry type transformer sound insulation outer box |
| CN103426593B (en) * | 2013-08-05 | 2016-05-25 | 大同(上海)有限公司 | Aeration type noncrystalline dry-type transformer sound insulation outer container |
| CN104269255A (en) * | 2014-10-21 | 2015-01-07 | 国网浙江慈溪市供电公司 | Noise insulation house |
| CN104914160A (en) * | 2015-06-05 | 2015-09-16 | 国家电网公司 | Testing platform used for noise-reducing material |
| CN108335882A (en) * | 2017-11-29 | 2018-07-27 | 无锡澳蓝特环保科技有限公司 | Substation's exhaust outlet static pressure mechanism |
| CN114068141A (en) * | 2021-10-29 | 2022-02-18 | 国网湖南省电力有限公司 | Fire-proof explosion-venting sound insulation cover for transformer |
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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 |
Granted publication date: 20100512 Termination date: 20170706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |