CN210183168U - Sound absorption and noise reduction device of generator - Google Patents
Sound absorption and noise reduction device of generator Download PDFInfo
- Publication number
- CN210183168U CN210183168U CN201921161010.8U CN201921161010U CN210183168U CN 210183168 U CN210183168 U CN 210183168U CN 201921161010 U CN201921161010 U CN 201921161010U CN 210183168 U CN210183168 U CN 210183168U
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Abstract
The utility model discloses a generator sound absorption and noise reduction device, which comprises a base, a fixed plate, a sound absorption cover, an air inlet plate, a generator and an exhaust silencing pipe, wherein the generator is fixedly connected at the center of the top surface of the base through a bolt, lugs on the bottom surface of a fixed seat of the sound absorption cover are aligned with grooves on the front side and the rear side of the base and slide in, the generator is covered in the sound absorption cover, the noise generated during the operation of the generator is absorbed through the resistance type sound absorption effect of a U-shaped perforated plate and an aluminum honeycomb sound absorption layer on the inner side of the sound absorption cover, the temperature inside the sound absorption cover and the sound absorption cover is reduced through circulating cooling water of a U-shaped cold water pipe in a cooling layer, a stable working environment is provided for the generator, the right side of the sound absorption cover is sealed through the fixed plate, the left side is sealed through the air inlet plate, air can enter the sound absorption cover through a dust filtering net, a V-shaped folded plate and, the noise can be reduced.
Description
Technical Field
The utility model relates to a generator installation technical field specifically is a generator inhales sound and falls device of making an uproar.
Background
The generator is mechanical equipment for converting energy in other forms into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, and converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. However, noise pollution is a problem to be solved in the power generation process of the generator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a generator inhales sound and falls device of making an uproar to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a sound absorption and noise reduction device of a generator comprises a base, a fixing plate, a sound absorption cover, an air inlet plate, the generator and an exhaust silencing pipe, wherein the base is of a square plate-shaped structure, the front side and the rear side of the base are provided with steps, the top surface of the right end of the base is fixedly connected with the fixing plate, the fixing plate is of a plate-shaped structure formed by filling rock wool sound absorption layers between two perforated aluminum plates, the shape of the fixing plate is the same as that of the outer ring of the section of the sound absorption cover, a circular through hole is formed in the center of the fixing plate, an exhaust pipe of the generator penetrates through the fixing plate, and the exhaust silencing;
the sound absorption cover is of an inverted U-shaped plate structure and consists of four layers, namely a U-shaped perforated plate, an aluminum honeycomb sound absorption layer, a cooling layer and a sound absorption sponge from inside to outside, fixing seats are arranged at the bottoms of two sides and are of a cuboid structure, the square bumps are arranged at the center of the bottom surface, the U-shaped perforated plate is an aluminum plate body, round through holes are uniformly formed in the plate surface, the aluminum honeycomb sound absorption layer is fixedly connected to the outer side of the U-shaped perforated plate, the aluminum honeycomb sound absorption layer is divided into a plurality of closed cells by a honeycomb core, air flow is prevented, sound waves are blocked, the sound absorption coefficient is improved, the strength of the plate is improved, the cooling layer is fixedly connected to the outer side of the aluminum honeycomb sound absorption layer, the U-shaped aluminum plate of the cooling layer is embedded at equal intervals in the inner wall of the cooling layer, the two ends of the U-shaped cold water pipe are connected with the main water pipes embedded in the fixing seats, the main water pipes in the two fixing seats are respectively connected with the water inlet end and the water outlet end of the water cooler and used for circulating cold water in the U-shaped cold water pipes to absorb heat radiated by the generator to the aluminum honeycomb sound absorption layer, so that the temperature in the sound absorption cover can be reduced, and the sound absorption sponge is wrapped on the outer wall of the cooling layer, so that the heat insulation and sound absorption effects are achieved;
the air inlet plate comprises the air inlet perforated plate, V type folded plate and dust filtration net, air inlet plate fixed connection is in the left side of fire prevention cover, the square frame body that the air inlet plate runs through for controlling and the V type folded plate of vertical equidistant fixed setting constitute, the surface coating of V type folded plate has the sound absorption coating, the right-hand member that the air inlet perforated plate is located the air inlet plate is close to the inboard generator setting, can reduce the noise that absorbs generator work production, the left surface fixedly connected with dust filtration net of air inlet plate, can filter the air that gets into in the sound absorption cover, reduce the dust.
As a further aspect of the present invention: the dust filtering net is formed by fixedly connecting a plurality of layers of filter nets on a square frame, and the frame is fixedly connected to the left side face of the air inlet plate through screws and can be detached and cleaned.
As a further aspect of the present invention: the bottom of generator is equipped with the stereoplasm rubber pad, can reduce the noise that generator during operation vibration and base striking produced.
Compared with the prior art, the beneficial effects of the utility model are that: pass through bolt fixed connection in the top surface center department of base with the generator, the fixing base bottom surface lug with the sound absorbing cover is aimed at the front and back both sides step recess slip-in of base, cover the generator in the sound absorbing cover, through the resistive type sound absorption effect of the inboard U type perforated plate of sound absorbing cover and aluminium honeycomb sound absorbing layer, absorb the noise that the generator during operation produced, and through the intraductal U type cold water pipe recirculated cooling water of cooling, reduce the inside temperature of sound absorbing cover and sound absorbing cover, provide stable operational environment for the generator, the right side of sound absorbing cover is sealed through the fixed plate, the left side is sealed through the air inlet plate, the air can pass through the dirt screen, V type folded plate and air inlet perforated plate get into in the sound absorbing cover, and through the resistive structure of V type folded plate and air inlet perforated plate, can reduce the noise.
Drawings
Fig. 1 is a schematic structural view of a generator sound absorption and noise reduction device.
Fig. 2 is a schematic structural view of a sound-absorbing cover in the sound-absorbing and noise-reducing device of the generator.
Fig. 3 is a schematic structural diagram of an air inlet plate in the generator sound-absorbing and noise-reducing device.
In the figure: the device comprises a base 1, a fixing plate 2, a sound absorption cover 3, an air inlet plate 4, a generator 5, an exhaust silencing pipe 6, a U-shaped perforated plate 31, an aluminum honeycomb sound absorption layer 32, a cooling layer 33, a U-shaped cold water pipe 34, a main water pipe 35, a sound absorption sponge 36, an air inlet perforated plate 41, a V-shaped folded plate 42 and a dust filter net 43.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a generator sound absorption and noise reduction device includes a base 1, a fixing plate 2, a sound absorption cover 3, an air intake plate 4, a generator 5, and an exhaust silencing pipe 6, where the base 1 is a square plate structure with steps on front and back sides, the fixing plate 2 is fixedly connected to the top surface of the right end of the base 1, the fixing plate 2 is a plate structure formed by filling rock wool sound absorption layers between two perforated aluminum plates, the shape of the fixing plate 2 is the same as the shape of the outer ring of the cross section of the sound absorption cover 3, a circular through hole is formed in the center of the fixing plate 2, an exhaust pipe of the generator 5 passes through the fixing plate 2, and the exhaust silencing pipe 6 is fixed to the right end of the fixing;
the sound absorption cover 3 is of an inverted U-shaped plate structure and is composed of four layers, namely a U-shaped perforated plate 31, an aluminum honeycomb sound absorption layer 32, a cooling layer 33 and a sound absorption sponge 36 from inside to outside, fixing seats are arranged at the bottoms of two sides and are of a cuboid structure with the square convex blocks at the center of the bottom surface, the U-shaped perforated plate 31 is an aluminum plate body, round through holes are uniformly formed in the plate surface, the aluminum honeycomb sound absorption layer 32 is fixedly connected to the outer side of the U-shaped perforated plate 31, a plurality of closed cells are separated into the aluminum honeycomb sound absorption layer 32 by a honeycomb core, air flowing is prevented, sound waves are blocked, the sound absorption coefficient is improved, the strength of the plate is improved simultaneously, a cooling layer 33 and a U-shaped aluminum plate of the cooling layer 33 are fixedly connected to the outer side of the aluminum honeycomb sound absorption layer 32, u-shaped cold water pipes 34 are embedded in the inner wall of the cooling layer 33 at equal intervals, two ends of each U-shaped cold water pipe 34 are connected with main water pipes 35 embedded in the fixing seats, the main water pipes 35 in the two fixing seats are respectively connected with the water inlet end and the water outlet end of the water cooler and used for circulating cold water in the U-shaped cold water pipes 34 and absorbing heat radiated by the generator to the aluminum honeycomb sound absorption layer 32, so that the temperature in the sound absorption cover 3 can be reduced, and sound absorption sponges 36 wrap the outer wall of the cooling layer 33 and have heat preservation and sound absorption effects;
the air inlet plate 4 consists of an air inlet perforated plate 41, V-shaped folded plates 42 and dust filtering nets 43, the air inlet plate 4 is fixedly connected to the left side of the fireproof cover, the air inlet plate 4 is a left-right through square frame body and vertical V-shaped folded plates 42 fixedly arranged at equal intervals, sound absorbing coatings are coated on the surfaces of the V-shaped folded plates 42, the air inlet perforated plate 41 is positioned at the right end of the air inlet plate 4 and close to an inner side generator, noise generated by the operation of the generator can be reduced and absorbed, the dust filtering nets 43 are fixedly connected to the left side face of the air inlet plate 4, and air entering the sound absorbing cover 3 can be filtered, and dust is reduced;
the dust filter 43 is formed by fixedly connecting a plurality of layers of filter screens on a square frame, and the frame is fixedly connected to the left side surface of the air inlet plate 4 through screws and can be detached and cleaned;
the bottom of the generator 5 is provided with a hard rubber pad, so that the noise generated by the impact of the vibration of the generator 5 and the base 1 during working can be reduced.
The utility model discloses a theory of operation is: the generator 5 is fixedly connected to the center of the top surface of the base 1 through bolts, bumps on the bottom surface of a fixing seat of the sound absorption cover 3 are aligned with grooves of steps on the front side and the rear side of the base 1 and slide in, the generator 5 is covered in the sound absorption cover 3, the noise generated during the operation of the generator is absorbed through the resistance type sound absorption effect of the U-shaped perforated plate 31 and the aluminum honeycomb sound absorption layer 32 on the inner side of the sound absorption cover 3, the cooling water is circulated through the U-shaped cold water pipe 34 in the cooling layer 33, the temperature inside the sound absorption cover 3 and the sound absorption cover 3 is reduced, a stable working environment is provided for the generator 5, the right side of the sound absorption cover 3 is sealed through the fixing plate 2, the left side of the sound absorption cover is sealed through the air inlet plate 4, air can enter the sound absorption cover 3 through the dust filtering net 43, the V-shaped folded plate 42 and the air inlet resistance perforated plate 41.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. A generator sound absorption and noise reduction device comprises a base, a fixing plate, a sound absorption cover, an air inlet plate, a generator and an exhaust silencing pipe, and is characterized in that the base is of a square plate-shaped structure, the front side and the rear side of the base are provided with steps, the top surface of the right end of the base is fixedly connected with the fixing plate, the fixing plate is of a plate-shaped structure formed by filling rock wool sound absorption layers between two perforated aluminum plates, the shape of the fixing plate is the same as that of the outer ring of the cross section of the sound absorption cover, the center of the fixing plate is provided with a circular through hole, the exhaust pipe of the generator penetrates through the;
the sound absorption cover is of an inverted U-shaped plate structure and consists of four layers, namely a U-shaped perforated plate, an aluminum honeycomb sound absorption layer, a cooling layer and a sound absorption sponge from inside to outside, fixing seats are arranged at the bottoms of two sides and are of a cuboid structure, the square bumps are arranged at the center of the bottom surface of each fixing seat, the U-shaped perforated plate is an aluminum plate body, round through holes are uniformly formed in the plate surface, the outer side of the U-shaped perforated plate is fixedly connected with the aluminum honeycomb sound absorption layer, the aluminum honeycomb sound absorption layer is internally divided into a plurality of closed small chambers by a honeycomb core, the outer side of the aluminum honeycomb sound absorption layer is fixedly connected with the cooling layer, the U-shaped aluminum plate of the cooling layer is embedded with U-shaped cold water pipes at equal intervals on the inner wall of the cooling layer, two ends of the U-shaped cold water pipes are embedded with main water pipes in the fixing seats, and the main water pipes in the two fixing seats are respectively connected with the water inlet end and the water outlet end of a water cooler, the outer wall of the cooling layer is wrapped with sound-absorbing sponge;
the air inlet plate comprises air inlet perforated plate, V type folded plate and dust filtration net, and air inlet plate fixed connection is in the left side of fire prevention cover, and the air inlet plate constitutes for controlling the square frame body that runs through and the V type folded plate of vertical equidistant fixed setting, and the surface coating of V type folded plate has the sound absorbing coating, and the right-hand member that the air inlet perforated plate is located the air inlet plate is close to the inboard generator setting, and the left surface fixedly connected with dust filtration net of air inlet plate.
2. The generator sound absorption and noise reduction device according to claim 1, wherein the dust filter screen is a square frame with multiple layers of filter screens fixedly connected thereto, and the frame is fixedly connected to the left side of the air intake plate by screws.
3. The generator sound absorption and noise reduction device according to claim 1, wherein a hard rubber pad is disposed at the bottom of the generator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921161010.8U CN210183168U (en) | 2019-07-23 | 2019-07-23 | Sound absorption and noise reduction device of generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921161010.8U CN210183168U (en) | 2019-07-23 | 2019-07-23 | Sound absorption and noise reduction device of generator |
Publications (1)
Publication Number | Publication Date |
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CN210183168U true CN210183168U (en) | 2020-03-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921161010.8U Expired - Fee Related CN210183168U (en) | 2019-07-23 | 2019-07-23 | Sound absorption and noise reduction device of generator |
Country Status (1)
Country | Link |
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CN (1) | CN210183168U (en) |
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2019
- 2019-07-23 CN CN201921161010.8U patent/CN210183168U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
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: 20200324 Termination date: 20210723 |