CN218563753U - Diesel generating set's silence case - Google Patents
Diesel generating set's silence case Download PDFInfo
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- CN218563753U CN218563753U CN202222607656.2U CN202222607656U CN218563753U CN 218563753 U CN218563753 U CN 218563753U CN 202222607656 U CN202222607656 U CN 202222607656U CN 218563753 U CN218563753 U CN 218563753U
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- sound insulation
- box
- silencer
- wall
- sound
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Abstract
The utility model discloses a diesel generating set's silence case, including the box, box internally mounted has diesel generating set, the inboard of the tank wall of box is provided with sound insulation subassembly, sound insulation subassembly is pegged graft each other by two acoustic celotex boards and is formed the matter, the acoustic celotex board includes a plurality of parallel arrangement's amortization groove, links as an organic wholely through the connecting plate between the amortization groove, two open ends in amortization groove are equipped with the arch in opposite directions, one side that the connecting plate deviates from the amortization groove is equipped with the baffle, and two acoustic celotex boards are pegged graft in opposite directions and are formed sound insulation subassembly, and the baffle of one of them acoustic celotex board inserts the amortization inslot of another acoustic celotex board, and is blocked by the arch, is equipped with the amortization case in air intake and air outlet respectively, and crisscross first muffler and the second muffler of being equipped with in the frame, first muffler and second muffler all form through the amortization unit range. The utility model discloses can make the box wall sound insulation effect better, box business turn over wind gap department noise cancelling effect is better.
Description
Technical Field
The utility model relates to a diesel generating set's silence case belongs to diesel generating set installation technical field.
Background
When the diesel generator operates, the noise is generated at 95-110 dB, and the noise generated when the diesel generator operates can cause serious harm to the surrounding environment. Under the condition that the noise source can not be reduced, certain mute measures are required to reduce the noise transmission of the diesel generator set, so that the sound pollution to the surrounding environment is reduced.
In the prior art, a diesel generator set is generally isolated from the outside by a box body, soundproof cotton is arranged on the wall of the box body, and the soundproof effect is poor when the soundproof cotton is simply additionally arranged on the wall of the box body; need open into the air outlet on the box wall, otherwise can lead to the unable discharge of box inside heat, lead to the temperature overheated, prior art generally sets up syllable-dividing sponge in business turn over wind shutter department, and it has played the effect of making an uproar of falling to a certain extent, has nevertheless hindered the air inlet simultaneously and has aired exhaust, has reduced intake and air discharge, and the cooling of giving generating set has brought adverse effect.
The invention patent of publication number CN107269388A discloses a noise reduction box, which comprises a punched aluminum plate with a bending structure, wherein porous sponge is filled in the punched aluminum plate, ventilation gaps are formed between the punched aluminum plates, the structure has small wind resistance, the noise reduction is realized only by bending a sound wave channel, and the noise reduction effect is not obvious.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to not enough in the background art, provide a diesel generating set's silence case, can make box wall sound insulation effect better, box business turn over wind gap department noise cancelling effect is better.
The utility model provides a diesel generating set's silence case, includes the box, and box internally mounted has diesel generating set, the inboard of the tank wall of box is provided with sound insulation component, and sound insulation component's inboard and outside are equipped with respectively that first sound cotton of inhaling, sound insulation component is pegged graft each other by two acoustic celotex boards and forms, the acoustic celotex board is the aluminum alloy material.
The acoustic celotex board includes a plurality of parallel arrangement's amortization groove, and the opening orientation in amortization groove is with one side, and is even as an organic whole through the connecting plate between the amortization groove, the connecting plate is close to the open end in amortization groove, two open ends in amortization groove are equipped with the arch in opposite directions, one side that the connecting plate deviates from the amortization groove is equipped with the baffle, and the baffle passes through the splice bar to be fixed on the surface of connecting plate, and two acoustic celotex boards are pegged graft in opposite directions and are formed sound insulation component, and the connecting plate of two acoustic celotex boards sets up in opposite directions laminating, and the baffle of one of them acoustic celotex board inserts the amortization inslot of another acoustic celotex board, and the baffle is blocked by the arch.
The box walls on two sides of the box body are respectively provided with an air inlet and an air outlet, silencing boxes are respectively arranged in the air inlet and the air outlet, and an axial flow fan is arranged on the inner side of the silencing box of the air inlet.
The sound attenuation box comprises a frame, wherein a first silencer and a second silencer are arranged in the frame in a staggered mode, the first silencer and the second silencer are formed by arranging silencing units, the main bodies of the silencing units are rhombic hollow pipes, and the first silencers and the second silencers are arranged at intervals.
Further, diesel generating set's muffler sets up in the inside of box, and the export of muffler passes the tank wall of box and stretches out outside the box.
Further, the tank wall of box includes outer wall and inner wall, the outer wall is the corrugated sheet, the inner wall is the sheet steel, accompanies between the inner wall of tank wall and the outer wall and inhales the sound cotton.
Furthermore, the rhombic hollow tube is provided with a sound-absorbing plate along one diagonal direction, the sound-absorbing plate extends out of two sides of the rhombic hollow tube, the sound-absorbing plate equally divides an inner cavity of the rhombic hollow tube into two symmetrical triangular cavities, and the first silencer and the second silencer are formed by mutually connecting the other two opposite corners of the rhombic hollow tube.
Furthermore, the first silencer is formed by connecting three silencing units, and the second silencer is formed by connecting four silencing units.
Further, the outer surfaces of the first silencer and the second silencer are provided with second sound-absorbing cotton.
Further, the silencing plate of the first silencer is opposite to the joint of the silencing unit of the second silencer.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
1. the sound wave gets into from one side of whistle box, flows into the space of bending that forms between first muffler and the second muffler, and the sound wave constantly collides the outer wall two of muffler and silences gradually, and in addition, the great sound wave of energy passes the lateral wall of rhombus hollow tube, spreads into in the triangle-shaped cavity of inside confined into, and the sound wave realizes further amortization in the cavity, and the sound cotton is inhaled to the outer wall subsides of muffler second, also can absorb some sound wave, has reduced the noise of the business turn over wind gap department of box greatly.
2. The inboard of the tank wall of box is provided with sound insulation assembly, and sound insulation assembly's inboard and outside are equipped with respectively that first inhaling the sound cotton, sound insulation assembly is pegged graft each other by two acoustic celotex boards and forms, and the sound wave spreads into in the cavity into from the amortization groove, is sealed inside the cavity, has strengthened noise cancelling effect, makes the sound insulating effect of tank wall better.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view at H in FIG. 1;
FIG. 3 is a schematic structural view of the middle partition plate of the present invention;
fig. 4 is a schematic structural view of the whistle box of the present invention;
fig. 5 is a front view of the middle silencing box of the present invention;
fig. 6 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 5.
In the figure, 1-box body, 101-corrugated board, 102-thin steel plate, 2-diesel generator set, 201-silencer, 3-sound insulation component, 301-sound insulation board, 3011-sound insulation groove, 3012-connecting board, 3013-baffle, 3014-bulge, 4-sound insulation box, 401-frame body, 5-axial flow fan, 6-first sound absorption cotton, 7-first silencer, 701-sound insulation unit, 7011-rhombic hollow pipe, 7012-sound insulation board, 7013-second sound absorption cotton and 8-second silencer.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model provides a diesel generating set's silence case, including box 1, box 1 internally mounted has diesel generating set 2, and diesel generating set 2's muffler 201 sets up in the inside of box 1, and the tank wall of box 1 is passed and stretches out to outside box 1 in the export of muffler 201.
The tank wall of box 1 includes outer wall and inner wall, the outer wall is corrugated sheet 101, the inner wall is sheet steel 102, accompanies first sound absorption cotton 6 between the inner wall of tank wall and the outer wall.
The inboard of the tank wall of box 1 is provided with noise insulation subassembly 3, and noise insulation subassembly 3's inboard and outside are equipped with first sound absorption cotton 6 respectively, noise insulation subassembly 3 is pegged graft each other by two acoustic celotex boards 301 and forms, acoustic celotex board 301 is aluminum alloy.
The sound insulation board 301 comprises a plurality of parallel silencing grooves 3011, the openings of the silencing grooves 3011 face to the same side, the silencing grooves 3011 are connected into a whole through a connecting plate 3012, the connecting plate 3012 is close to the opening end of the silencing groove 3011, two opening ends of the silencing groove 3011 are oppositely provided with protrusions 3014, one side of the connecting plate 3012, which is far away from the silencing groove 3011, is provided with a baffle 3013, and the baffle 3013 is fixed on the surface of the connecting plate 3012 through a connecting rib.
The two sound insulation boards 301 are oppositely inserted to form a sound insulation assembly 3, the connecting plates 3012 of the two sound insulation boards 301 are oppositely attached, the baffle 3013 of one sound insulation board 301 is inserted into the sound insulation groove 3011 of the other sound insulation board 301, and the baffle 3013 is blocked by the protrusion 3014; the production of noise is the vibration production of sound wave in fact, and noise damping slot 3011 forms confined inner chamber with baffle 3013, and the sound wave spreads into the cavity from noise damping slot 3011 in, is sealed inside the cavity, plays the effect of amortization, and two acoustical panels 3012 are the cartridge together moreover, and the equipment is convenient, and the subassembly that gives sound insulation 3 passes through self tapping screw fixation in the inner wall of tank wall.
The box walls on two sides of the box body 1 are respectively provided with an air inlet 103 and an air outlet 104, the air inlet 103 and the air outlet 104 are respectively internally provided with a sound muffling box 4, the inner side of the sound muffling box 4 of the air inlet 103 is provided with an axial flow fan 5, and the axial flow fan 5 enables air in the box body 1 to flow so as to reduce the temperature in the box body 1.
The sound-absorbing box 4 comprises a frame 401, a first silencer 7 and a second silencer 8 are arranged in the frame 401 in a staggered mode, the first silencer 7 and the second silencer 8 are formed by arranging silencing units 701, the main body of each silencing unit 701 is a rhombic hollow tube 7011, a silencing plate 7012 is arranged on the rhombic hollow tube 7011 in one diagonal direction, the silencing plate 7012 extends out of two sides of the rhombic hollow tube 7011, the inner cavity of the rhombic hollow tube 7011 is evenly divided into two symmetrical triangular cavities by the silencing plate 7012, and the first silencer 7 and the second silencer 8 are formed by connecting the other two opposite corners of the rhombic hollow tube 7011 with each other.
The utility model discloses a concrete theory of operation:
when the temperature in the box 1 is too high or air needs to flow, the axial fan 5 sucks air through the sound-muffling box 4 at the air inlet 103, the air is discharged from the sound-muffling box 4 at the air outlet 104, sound waves enter from one side of the sound-muffling box 4 and flow into a bending gap formed between the first silencer 7 and the second silencer 8, the sound waves continuously collide with the second outer wall of the silencers to gradually muffle, in addition, the sound waves with larger energy penetrate through the side wall of the rhombic hollow tube 7011 and enter the triangular cavity with the inside sealed, the sound waves further muffle in the cavity, the second sound-absorbing cotton 7013 is attached to the outer wall of the silencers, a part of the sound waves can be absorbed, and the noise at the air inlet and the air outlet of the box 1 is greatly reduced.
The inboard of the tank wall of box 1 is provided with sound insulation component 3, and sound insulation component 3's inboard and outside are equipped with first sound absorption cotton 6 respectively, sound insulation component 3 is pegged graft each other by two acoustic celotex boards 301 and forms, and the sound wave spreads into in the cavity into from amortization groove 3011, is sealed inside the cavity, has strengthened the noise cancelling effect, makes the sound insulation effect of tank wall better, and two acoustical panels 3012 are that the cartridge is in the same place moreover, and the equipment is convenient, and sound insulation component 3 passes through self tapping screw fixation in the inner wall of tank wall.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (8)
1. The utility model provides a diesel generating set's silence case which characterized in that: the sound insulation box comprises a box body (1), wherein a diesel generator set (2) is installed in the box body (1), a sound insulation component (3) is arranged on the inner side of the box wall of the box body (1), first sound absorption cotton (6) is respectively arranged on the inner side and the outer side of the sound insulation component (3), and the sound insulation component (3) is formed by mutually inserting two sound insulation boards (301);
the sound insulation board (301) comprises a plurality of sound insulation grooves (3011) which are arranged in parallel, the openings of the sound insulation grooves (3011) face to the same side, the sound insulation grooves (3011) are connected into a whole through a connecting board (3012), the connecting board (3012) is close to the open end of the sound insulation groove (3011), two open ends of the sound insulation groove (3011) are oppositely provided with protrusions (3014), one side, away from the sound insulation groove (3011), of the connecting board (3012) is provided with a baffle (3013), the baffle (3013) is fixed on the surface of the connecting board (3012) through a connecting rib, the two sound insulation boards (301) are oppositely inserted to form a sound insulation component (3), the connecting boards (3012) of the two sound insulation boards (301) are oppositely attached, the baffle (3013) of one sound insulation board (301) is inserted into the sound insulation groove (3011) of the other board (301), and the baffle (3013) is blocked by the protrusions (3014);
the box walls on two sides of the box body (1) are respectively provided with an air inlet (103) and an air outlet (104), silencing boxes (4) are respectively arranged in the air inlet (103) and the air outlet (104), and an axial flow fan (5) is arranged on the inner side of each silencing box (4) of the air inlet (103);
the sound attenuation box (4) comprises a frame (401), first silencers (7) and second silencers (8) are arranged in the frame (401) in a staggered mode, the first silencers (7) and the second silencers (8) are formed by arranging silencing units (701), the main body of each silencing unit (701) is a rhombic hollow tube (7011), and the first silencers (7) and the second silencers (8) are arranged at intervals.
2. The silence chamber of a diesel generating set according to claim 1, characterized in that: a silencer (201) of the diesel generator set (2) is arranged inside the box body (1), and an outlet of the silencer (201) penetrates through the box wall of the box body (1) and extends out of the box body (1).
3. The silence chamber of a diesel generating set according to claim 1, characterized in that: the tank wall of box (1) includes outer wall and inner wall, the outer wall is corrugated sheet (101), the inner wall is steel sheet (102), presss from both sides between the inner wall of tank wall and the outer wall and inhales sound cotton (6).
4. The silence chamber of a diesel generating set according to claim 1, characterized in that: the silencer is characterized in that a silencing plate (7012) is arranged in the rhombic hollow tube (7011) in one diagonal direction, the silencing plate (7012) extends out of two sides of the rhombic hollow tube (7011), the inner cavity of the rhombic hollow tube (7011) is evenly divided into two symmetrical triangular cavities by the silencing plate (7012), and the first silencer (7) and the second silencer (8) are formed by mutually connecting the other two opposite angles of the rhombic hollow tube (7011).
5. The silence chamber of a diesel generating set according to claim 1, characterized in that: the first silencer (7) is formed by connecting three silencing units (701), and the second silencer (8) is formed by connecting four silencing units (701).
6. The silence chamber of a diesel generating set according to claim 1, characterized in that: the outer surfaces of the first silencer (7) and the second silencer (8) are provided with second sound-absorbing cotton (7013).
7. The silence chamber of a diesel generating set according to claim 4, characterized in that: the silencing plate (7012) of the first silencer (7) is opposite to the joint of the silencing unit (701) of the second silencer.
8. The silence chamber of a diesel generating set according to claim 1, characterized in that: the sound insulation board (301) is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222607656.2U CN218563753U (en) | 2022-09-30 | 2022-09-30 | Diesel generating set's silence case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222607656.2U CN218563753U (en) | 2022-09-30 | 2022-09-30 | Diesel generating set's silence case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563753U true CN218563753U (en) | 2023-03-03 |
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ID=85314447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222607656.2U Active CN218563753U (en) | 2022-09-30 | 2022-09-30 | Diesel generating set's silence case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563753U (en) |
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2022
- 2022-09-30 CN CN202222607656.2U patent/CN218563753U/en active Active
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