CN205100602U - Structure of making an uproar falls in diesel generator room - Google Patents
Structure of making an uproar falls in diesel generator room Download PDFInfo
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- CN205100602U CN205100602U CN201520172336.6U CN201520172336U CN205100602U CN 205100602 U CN205100602 U CN 205100602U CN 201520172336 U CN201520172336 U CN 201520172336U CN 205100602 U CN205100602 U CN 205100602U
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Abstract
The utility model belongs to the technical field of the amortization of generator computer lab, especially, relate to a structure of making an uproar falls in diesel generator room. It includes the wall body, has seted up door frame and window frame on the wall body, the wall body is multilayer amortization structure, and the wall body includes first skin, first middle level and first nexine, and first skin is the sound absorption orifice plate, and first middle level is the polymer sound absorbing layer, and first nexine is the damping puigging, and acoustical coating has all been filled to first skin, first middle level and first nexine. Utilize sound to pierce through multilayer amortization structure, owing to take place random reflection during different media and improve and inhale the acoustical reduction coefficient, make the inhaling of total, acoustical reduction coefficient increase like this. First skin is the sound absorption orifice plate to reduce the room reverberation, prevent that the standing wave from producing, first middle level is the polymer sound absorbing layer to the sound wave of absorption equipment radiation can, adopt in first to have the damping puigging of inhaling the shake effect, the multiplicable low frequency acoustical reduction coefficient of damping material.
Description
Technical field
The utility model belongs to generator machine room noise reduction technical field, particularly relates to a kind of diesel generator room denoising structure.
Background technology
Diesel-driven generator is a lot of as a kind of general machinery equipment kind, and noise intensity and the frequency characteristic of the diesel-driven generator generation of variety classes and model are distinguished to some extent, but the position of the outside radiated noise of diesel-driven generator unit of different model has something in common.Diesel generator room is important supplement production place, and the noise produced when equipment runs in diesel generator room mainly contains: the air power noise of air inlet port and exhaust opening radiation; The noise of motor radiation; The mechanical noise of the radiation such as casing, tube wall and motor bearings; The solid-borne sound of foundation vibration radiation.In this few partial noise, be the strongest with the air power noise of air inlet port, the radiation of exhaust opening position.Generally air power noise is than the noise figure height 10-15dB(A of other position radiation).The wideband noise that diesel-driven generator produces, inevitably to the staff of on-site and neighbouring resident and environmental effects.Meanwhile, under noise of equipment improvement will obtain the prerequisite of good result in diesel generator room, equipment must be allowed to be in comparatively closed space.
Although the body of wall in existing generator machine room has noise-reducing structure, noise-reducing structure is comparatively single, has no idea to reach noise reduction object.Simultaneously due to body of wall offering door and window, but the sealing effectiveness at doorframe and window frame place is poor, can not carry out good sound insulation, so cause spreading out of in noise gap from here.
Utility model content
Problem to be solved in the utility model is that existing body of wall noise-reducing structure is comparatively single, has no idea to reach higher noise reduction object.Simultaneously due to body of wall offering door and window, but the sealing effectiveness at doorframe and window frame place is poor, can not carry out good sound insulation.
In order to solve the problems of the technologies described above, the utility model provides following scheme: diesel generator room denoising structure, comprise body of wall, body of wall offers doorframe and window frame, described body of wall is multilayer noise-reducing structure, and body of wall comprises the first skin, the first middle level and the first nexine, first skin is sound absorption orifice plate, middle level is macromolecule sound absorbing layer, and the first nexine is damping sound insulation layer, and the first skin, the first middle level and the first nexine are all filled with quieter material.Utilize technique scheme to utilize sound to penetrate multilayer noise-reducing structure, random reflection occurs to improve sound absorption amount during medium due to multilayer different in kind, make the sound absorption and insulation amount of total increase like this.Test shows that this composite construction avoids the generation of identical paddy, thus adds the defening effect of medium and low frequency.First skin is sound absorption orifice plate, to reduce room reverberation, prevents standing wave from producing; First middle level is macromolecule sound absorbing layer, and with the sound wave energy of absorption equipment radiation, the first nexine adopts the damping sound insulation layer with shock-absorbing functions, and damping material can increase sound insulation room amount.The stability of polymer composite, rigidity and load bearing capacity must be considered; The sound absorption material of good, high temperature resistant, the waterproof of uniform filling fire resistance in macromolecule compound sound absorption and insulation body cavity.
Further, the doorframe that described body of wall is offered is provided with sealant, and sealant is layer flexible bound edge.Bound edge is three layers, and first floor is flexible sound absorption orifice plate, and the second layer is macromolecule sound absorbing layer, and third layer is damping sound insulation layer, and every layer is all filled with quieter material.Can seal for whole machine room, avoid doorframe place to there is larger gap, noise diffuses to outside machine room from here.Utilize the sealant of sandwich construction, can better absorb the noise be passed to herein, also can better seal simultaneously.
Further, the window frame that described body of wall is offered is provided with sealant, and sealant is layer flexible bound edge.Bound edge is three layers, and first floor is flexible sound absorption orifice plate, and the second layer is macromolecule sound absorbing layer, and third layer is damping sound insulation layer, and every layer is all filled with quieter material.Can seal for whole machine room, avoid window frame place to there is larger gap, noise diffuses to outside machine room from here.Utilize the sealant of sandwich construction, can better absorb the noise be passed to herein, also can better seal simultaneously.
Further, described body of wall inside wall is also provided with the puigging of air-discharge silencer, and puigging comprises the second nexine and the second skin, and the second skin is sound absorption orifice plate, and the second nexine is macromolecule sound absorbing layer.Can seal for whole machine room, avoid doorframe place to there is larger gap, noise diffuses to outside machine room from here.Utilize the sealant of sandwich construction, can better absorb the noise be passed to herein, also can better seal simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of machine room in the utility model diesel generator room denoising structure embodiment;
Fig. 2 is the structural representation of machine room body of wall in the utility model diesel generator room denoising structure embodiment;
Fig. 3 is the structural representation of sealant in the utility model diesel generator room denoising structure embodiment;
Fig. 4 is the structural representation of puigging in the utility model diesel generator room denoising structure embodiment.
Detailed description of the invention
As shown in Figure 1,2,3, 4: diesel generator room denoising structure, comprise body of wall 1, body of wall 1 offers doorframe 2 and window frame 3, described body of wall is multilayer noise-reducing structure, body of wall 1 comprises the first skin 4, first middle level 5 and the first nexine 6, first outer 4 is sound absorption orifice plate, and the first middle level 5 is macromolecule sound absorbing layer, first nexine 6 is damping sound insulation layer, and the first skin 4, first middle level 5 and the first nexine 6 are all filled with quieter material.The doorframe 2 that body of wall 1 is offered is provided with sealant 7, and sealant 7 is layer flexible bound edge.Bound edge is three layers, and first floor 8 is flexible sound absorption orifice plate, and the second layer 9 is macromolecule sound absorbing layer, and third layer 10 is damping sound insulation layer, and every layer is all filled with quieter material.The window frame 3 that body of wall 1 is offered is provided with sealant 7, and sealant 7 is layer flexible bound edge.Bound edge is three layers, and first floor 8 is flexible sound absorption orifice plate, and the second layer 9 is macromolecule sound absorbing layer, and third layer 10 is damping sound insulation layer, and every layer is all filled with quieter material.Body of wall 1 inside wall is also provided with the puigging 11 of air-discharge silencer, and puigging 11 comprises the second nexine 12 and the second skin 13, second outer 13 is sound absorption orifice plate, and the second nexine 12 is macromolecule sound absorbing layer.
During work, utilize technique scheme to utilize sound to penetrate multilayer noise-reducing structure, random reflection occurs to improve sound absorption amount during medium due to multilayer different in kind, make the sound absorption and insulation amount of total increase like this.Test shows that this composite construction avoids the generation of identical paddy, thus adds the defening effect of medium and low frequency.First outer 4 is sound absorption orifice plate, to reduce room reverberation, prevents standing wave from producing; First middle level 5 is macromolecule sound absorbing layer, and with the sound wave energy of absorption equipment radiation, the first nexine 6 adopts the damping sound insulation layer with shock-absorbing functions, and damping material can increase sound insulation room amount.The stability of polymer composite, rigidity and load bearing capacity must be considered; The sound absorption material of good, high temperature resistant, the waterproof of uniform filling fire resistance in macromolecule compound sound absorption and insulation body cavity.The doorframe 2 that described body of wall 1 is offered is provided with sealant 7, and sealant 7 is layer flexible bound edge.Bound edge is three layers, and first floor 8 is flexible sound absorption orifice plate, and the second layer 9 is macromolecule sound absorbing layer, and third layer 10 is damping sound insulation layer, and every layer is all filled with quieter material.Can seal for whole machine room, avoid doorframe 2 place to there is larger gap, noise diffuses to outside machine room from here.Utilize the sealant 7 of sandwich construction, can better absorb the noise be passed to herein, also can better seal simultaneously.The window frame 3 that described body of wall 1 is offered is provided with sealant 7, and sealant 7 is layer flexible bound edge.Bound edge is three layers, and first floor 8 is flexible sound absorption orifice plate, and the second layer 9 is macromolecule sound absorbing layer, and third layer 10 is damping sound insulation layer, and every layer is all filled with quieter material.Can seal for whole machine room, avoid window frame 2 place to there is larger gap, noise diffuses to outside machine room from here.Utilize the sealant 7 of sandwich construction, can better absorb the noise be passed to herein, also can better seal simultaneously.Body of wall 1 inside wall is also provided with the puigging 11 of air-discharge silencer, and puigging 11 comprises the second nexine 12 and the second skin 13, second outer 13 is sound absorption orifice plate, and the second nexine 12 is macromolecule sound absorbing layer.Can seal for whole machine room, avoid doorframe 2 place to there is larger gap, noise diffuses to outside machine room from here.Utilize the sealant 7 of sandwich construction, can better absorb the noise be passed to herein, also can better seal simultaneously.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; also should be considered as protection domain of the present utility model, these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (1)
1. diesel generator room denoising structure, comprise body of wall, body of wall offers doorframe and window frame, it is characterized in that, described body of wall is multilayer noise-reducing structure, and body of wall comprises the first skin, the first middle level and the first nexine, first skin is sound absorption orifice plate, middle level is macromolecule sound absorbing layer, and the first nexine is damping sound insulation layer, and the first skin, the first middle level and the first nexine are all filled with quieter material; The doorframe that described body of wall is offered is provided with sealant, and sealant is layer flexible bound edge, and bound edge is three layers, and first floor is flexible sound absorption orifice plate, and the second layer is macromolecule sound absorbing layer, and third layer is damping sound insulation layer, and every layer is all filled with quieter material; The window frame that described body of wall is offered is provided with sealant, and sealant is layer flexible bound edge.Bound edge is three layers, and first floor is flexible sound absorption orifice plate, and the second layer is macromolecule sound absorbing layer, and third layer is damping sound insulation layer, and every layer is all filled with quieter material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172336.6U CN205100602U (en) | 2015-03-25 | 2015-03-25 | Structure of making an uproar falls in diesel generator room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172336.6U CN205100602U (en) | 2015-03-25 | 2015-03-25 | Structure of making an uproar falls in diesel generator room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205100602U true CN205100602U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172336.6U Expired - Fee Related CN205100602U (en) | 2015-03-25 | 2015-03-25 | Structure of making an uproar falls in diesel generator room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205100602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628605A (en) * | 2021-08-02 | 2021-11-09 | 国电投周口燃气热电有限公司 | Noise reduction device for field maintenance of gas turbine |
-
2015
- 2015-03-25 CN CN201520172336.6U patent/CN205100602U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628605A (en) * | 2021-08-02 | 2021-11-09 | 国电投周口燃气热电有限公司 | Noise reduction device for field maintenance of gas turbine |
| CN113628605B (en) * | 2021-08-02 | 2024-03-12 | 国电投周口燃气热电有限公司 | Noise reduction device for on-site maintenance of gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Hui Inventor after: Gao Ping Inventor after: Bai Ying Inventor after: Zhang Guanglin Inventor after: Luo Xiang Inventor before: Zhou Hui |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160830 Address after: 610048, No. 4, building 2, 7, 9, Wu Qing North Road, No. 76, Chengdu, Sichuan, Wuhou District Patentee after: SICHUAN ZHILIFANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 610041, No. 7, building 2, building 9, building 76, 4, Wu Qing North Road, Chengdu, Sichuan, Wuhou District Patentee before: Zhou Hui |
|
| 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: 20160323 |