CN202252643U - Noise reduction device for operation of low-power diesel generator set - Google Patents
Noise reduction device for operation of low-power diesel generator set Download PDFInfo
- Publication number
- CN202252643U CN202252643U CN2011203712457U CN201120371245U CN202252643U CN 202252643 U CN202252643 U CN 202252643U CN 2011203712457 U CN2011203712457 U CN 2011203712457U CN 201120371245 U CN201120371245 U CN 201120371245U CN 202252643 U CN202252643 U CN 202252643U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- sound insulation
- sound
- door
- impedance composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009413 insulation Methods 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 4
- 239000002912 waste gas Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000012080 ambient air Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 239000010710 diesel engine oil Substances 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract 2
- 230000030279 gene silencing Effects 0.000 abstract 2
- 230000003584 silencer Effects 0.000 abstract 1
- 238000010977 unit operation Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a device of making an uproar falls in operation of miniwatt diesel generating set, include: the air-conditioning sound-insulation air-conditioning system comprises a sound-insulation outer cover (2), an air inlet sound-insulation door (1), an impedance composite muffler (3) and a sound-insulation exhaust air duct (4). The air inlet silencing door (1) is a door plate with a certain thickness, and the inside of the door plate consists of a labyrinth air inlet channel; the sound insulation outer cover (2)) adopts a sound barrier structure with a non-metal noise reduction interlayer; one end of the impedance composite muffler (3) is in threaded connection with an exhaust port of the diesel engine, and the other end of the impedance composite muffler is connected with the sound-insulation exhaust air duct (4); the other end of the sound insulation exhaust air duct (4) is communicated with the outside through an exhaust shutter. When the diesel engine works, air enters the diesel engine through the air inlet silencing door (1) to be combusted, generated waste gas is discharged into the sound insulation exhaust air duct (4) through the impedance composite silencer (3) to be discharged, and noise generated by unit operation is reduced through the sound insulation outer cover (2). This device of making an uproar falls can effectively reduce the noise of operation when guaranteeing the unit steady operation.
Description
Technical field
The utility model relates to a kind of denoising device of generator set operation, particularly a kind of denoising device of System for Small Power Diesel Generator group operation.
Background technique
The denoising device of present diesel generating set comprises: the sound insulation outer cover, cabinet shell has certain thickness, when diesel generating set moves, has certain noise reduction.Temperature was too high when but cabinet shell can cause the operation of diesel generating set full load, influenced generator set stability.
The model utility content
The utility model purpose is to provide a kind of denoising device of System for Small Power Diesel Generator group operation, the too high problem of temperature when solution diesel generating set denoising device causes the operation of diesel generating set full load.
A kind of denoising device of System for Small Power Diesel Generator group operation comprises: the sound insulation outer cover also comprises: intake noise reduction door, impedance composite muffler, sound insulation exhaust duct.The intake noise reduction door is a kind of hollow door plate structure; Intake noise reduction door hollow door intralamellar part has mazy type intake duct structure; Mazy type intake duct structure one end has the blinds ventilated port, and is in communication with the outside, and the mazy type intake duct structure the other end is connected with the supply fan of diesel engine; Impedance composite muffler one end and diesel exhaust gas mouth are spirally connected, and the impedance composite muffler the other end is connected with sound insulation exhaust duct one end; The sound insulation exhaust duct the other end is communicated with by the exhaust blinds with extraneous; The sound insulation outer cover is the noise barrier structure with nonmetal noise reduction interlayer, and said sound insulation outer cover has micropore aluminium sheet, rock wool interlayer, damping layer and outer layer plate from the inside to the outside successively, and the micropore aluminium sheet is connected with the outer layer plate rivet.
During the diesel generating set operation, ambient air gets in the diesel engine oil cylinder through the intake noise reduction door and combines burning with diesel oil, and induction noise is reduced by the intake noise reduction door; The waste gas of burning is discharged outside the noise reduction casing through the sound insulation exhaust duct through impedance composite muffler, and exhaust sound carries out noise reduction by impedance composite muffler and sound insulation exhaust duct; Diesel generating set overall operation noise carries out whole noise reduction by the sound insulation outer cover.
This denoising device can make diesel generating set use in the regulation environment at weaponry, has improved the human oriented design level of diesel generating set, has improved operator's operating environment.
Description of drawings
The denoising device structural representation of a kind of System for Small Power Diesel Generator group operation of Fig. 1
1. air inlet noise reduction door 2. sound insulation outer covers 3. impedance composite mufflers 4. sound insulation exhaust ducts.
Embodiment
A kind of denoising device of System for Small Power Diesel Generator group operation comprises: sound insulation outer cover 2 also comprises: intake noise reduction door 1, impedance composite muffler 3, sound insulation exhaust duct 4.Intake noise reduction door 1 is a kind of hollow door plate structure; Intake noise reduction door 1 hollow door intralamellar part has mazy type intake duct structure; Mazy type intake duct structure one end has the blinds ventilated port, and is in communication with the outside, and the mazy type intake duct structure the other end is connected with the supply fan of diesel engine; Impedance composite muffler 3 one ends and diesel exhaust gas mouth are spirally connected, and impedance composite muffler 3 the other ends are connected with sound insulation exhaust duct 4 one ends; Sound insulation exhaust duct 4 the other ends are communicated with by the exhaust blinds with extraneous; Sound insulation outer cover 4 is the noise barrier structure with nonmetal noise reduction interlayer, and said sound insulation outer cover has micropore aluminium sheet, rock wool interlayer, damping layer and outer layer plate from the inside to the outside successively, and the micropore aluminium sheet is connected with the outer layer plate rivet.
During the diesel generating set operation, ambient air gets in the diesel engine oil cylinder through intake noise reduction door 1 and combines burning with diesel oil, and induction noise is reduced by intake noise reduction door 1; The waste gas of burning is discharged outside the noise reduction casing through sound insulation exhaust duct 4 through impedance composite muffler 3, and exhaust sound carries out noise reduction by impedance composite muffler 3 and sound insulation exhaust duct 4; Diesel generating set overall operation noise carries out whole noise reduction by sound insulation outer cover 2.
Claims (1)
1. the denoising device of System for Small Power Diesel Generator group operation, comprising: sound insulation outer cover (2) is characterized in that also comprising: intake noise reduction door (1), impedance composite muffler (3), sound insulation exhaust duct (4); Intake noise reduction door (1) is a kind of hollow door plate structure; Intake noise reduction door (1) hollow door intralamellar part has mazy type intake duct structure; Mazy type intake duct structure one end has the blinds ventilated port, and is in communication with the outside, and the mazy type intake duct structure the other end is connected with the supply fan of diesel engine; Impedance composite muffler (3) one ends and diesel exhaust gas mouth are spirally connected, and impedance composite muffler (3) the other end is connected with sound insulation exhaust duct (4) one ends; Sound insulation exhaust duct (4) the other end is communicated with by the exhaust blinds with extraneous; Sound insulation outer cover (4) is for the noise barrier structure of nonmetal noise reduction interlayer, and said sound insulation outer cover has micropore aluminium sheet, rock wool interlayer, damping layer and outer layer plate from the inside to the outside successively, and the micropore aluminium sheet is connected with the outer layer plate rivet;
During the diesel generating set operation, ambient air gets in the diesel engine oil cylinder through intake noise reduction door (1) and combines burning with diesel oil, and induction noise is reduced by intake noise reduction door (1); The waste gas of burning is discharged outside the noise reduction casing through sound insulation exhaust duct (4) through impedance composite muffler (3), and exhaust sound carries out noise reduction by impedance composite muffler (3) and sound insulation exhaust duct (4); Diesel generating set overall operation noise carries out whole noise reduction by sound insulation outer cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203712457U CN202252643U (en) | 2011-09-28 | 2011-09-28 | Noise reduction device for operation of low-power diesel generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203712457U CN202252643U (en) | 2011-09-28 | 2011-09-28 | Noise reduction device for operation of low-power diesel generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202252643U true CN202252643U (en) | 2012-05-30 |
Family
ID=46113885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203712457U Expired - Lifetime CN202252643U (en) | 2011-09-28 | 2011-09-28 | Noise reduction device for operation of low-power diesel generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202252643U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953572A (en) * | 2012-11-09 | 2013-03-06 | 大连海顺重工环保设备有限公司 | Sound insulation room of Roots motor |
| CN104847396A (en) * | 2015-05-11 | 2015-08-19 | 上海市政工程设计研究总院（集团）有限公司 | Natural ventilation method of tunnel sound barrier |
| CN110608098A (en) * | 2019-10-20 | 2019-12-24 | 重庆隆鑫通航发动机制造有限公司 | Generator set with sound insulation type ventilation system |
-
2011
- 2011-09-28 CN CN2011203712457U patent/CN202252643U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953572A (en) * | 2012-11-09 | 2013-03-06 | 大连海顺重工环保设备有限公司 | Sound insulation room of Roots motor |
| CN104847396A (en) * | 2015-05-11 | 2015-08-19 | 上海市政工程设计研究总院（集团）有限公司 | Natural ventilation method of tunnel sound barrier |
| CN110608098A (en) * | 2019-10-20 | 2019-12-24 | 重庆隆鑫通航发动机制造有限公司 | Generator set with sound insulation type ventilation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |