CN220849847U - Noise reduction device of diesel generating set - Google Patents

Noise reduction device of diesel generating set Download PDF

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Publication number
CN220849847U
CN220849847U CN202322801306.4U CN202322801306U CN220849847U CN 220849847 U CN220849847 U CN 220849847U CN 202322801306 U CN202322801306 U CN 202322801306U CN 220849847 U CN220849847 U CN 220849847U
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China
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generator
noise reduction
outer case
sound absorbing
pad
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CN202322801306.4U
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Chinese (zh)
Inventor
熊培园
赵魏恒
屈星宇
刘心语
黄亦非
蒋辰
钟燕华
姜洋
杨凯
郑炜华
吴寒令
高武举
郑文举
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Henan University of Science and Technology
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Henan University of Science and Technology
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Abstract

The utility model discloses a noise reduction device of a diesel generator set, and relates to the technical field of noise reduction devices of generators. All be provided with a plurality of shock attenuation coupling mechanism between backup pad and the adjacent lateral wall of supporting the underframe, the upper end of backup pad is provided with the generator and falls the outer case of making an uproar, fall the outer case of making an uproar and be located the outside of generator, the upper lateral wall and the preceding lateral wall of falling the outer case of making an uproar all are provided with the access door, the right side wall of falling the outer case of making an uproar is provided with the observation window, the left side end of falling the outer case of making an uproar is provided with the heat dissipation window. The effect of silence is improved through the cooperation use of inhaling the sound cotton and inhaling the sound felt, utilizes the first and second cooperation of sound absorbing hole on the interior plaque of crisscross setting to further improve the noise reduction effect of this device simultaneously, utilizes shock attenuation rubber pad two, shock attenuation rubber pad one and rubber connection pad cooperation to cushion the collision between supporting underframe and the generator, adopts rubber material structural connection to effectively avoid producing the problem of noise at the collision in-process simultaneously.

Description

Noise reduction device of diesel generating set
Technical Field
The utility model relates to the technical field of noise reduction devices of generators, in particular to a noise reduction device of a diesel generator set.
Background
Along with the development of industry and the continuous improvement of living standard of people, the demand of people for electricity is increasing, and when special conditions (such as large-scale power failure, wire and cable damage, power equipment maintenance and the like) are met, the power cannot be normally supplied, and the problem of short-time electricity consumption is solved by using a diesel generator set to generate electricity.
The existing generator set is generally installed in a sealed installation room, for example, the installation room where a generator on a ship is located is larger in noise or a small generator case, mute cotton is stuck in the box body, noise generated by the generator set is transmitted to the mute cotton, and part of the noise is absorbed by the mute cotton so as to reduce part of the noise of the generator set, but due to the simple noise reduction structure, the noise elimination amount is smaller, the generator set still has larger noise, and meanwhile, when the generator is used, fine vibration occurs to the generator equipment, and meanwhile, the generator equipment collides with the fixed position where the generator equipment is located so as to generate noise.
Disclosure of utility model
The utility model aims to provide a noise reduction device for a diesel generator set, which solves the technical problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the noise reduction device of the diesel generator set comprises a supporting underframe, wherein a supporting plate is arranged on the inner side of the supporting underframe, a plurality of shock absorption connecting mechanisms are arranged between the supporting plate and the adjacent side wall of the supporting underframe, a generator and a noise reduction outer box are arranged at the upper end of the supporting plate, the noise reduction outer box is positioned on the outer side of the generator, access doors are arranged on the upper side wall and the front side wall of the noise reduction outer box, an observation window is arranged on the right side wall of the noise reduction outer box, and a radiating window is arranged at the left side end of the noise reduction outer box;
The lateral wall of the noise reduction outer box comprises a stainless steel outer side plate, a sound absorption box is arranged on one side, close to the generator, of the stainless steel outer side plate, sound absorption holes I are formed in the lateral wall, close to the generator, of the sound absorption box, the sound absorption holes I are staggered with the sound absorption holes I, close to the generator, of the sound absorption box, and sound absorption cotton is filled in the sound absorption box.
Preferably, the stainless steel outer side plate is provided with a fireproof and dampproof plate on the side wall close to the sound absorption box, a sound absorption felt is arranged between the fireproof and dampproof plate and the sound absorption box, one side, far away from the sound absorption felt, of the sound absorption box is provided with an inner decoration plate, and a plurality of sound absorption holes II are formed in the inner decoration plate.
Preferably, the damping connecting mechanism comprises a first contact plate and a second contact plate, wherein the first contact plate and the second contact plate are made of metal material plates, the first contact plate is fixed on the inner side wall of the supporting underframe, the second contact plate is fixed on the side wall of the supporting plate, the first damping rubber pad and the second damping rubber pad are fixedly connected to the two adjacent side walls of the first contact plate and the second contact plate respectively, and a rubber connecting pad is arranged between the first damping rubber pad and the second damping rubber pad.
Preferably, the rubber connecting pad is internally provided with a plurality of reinforced steel plates, and the reinforced steel plates are not contacted.
Preferably, the damping rubber cushion I and the damping rubber cushion II are provided with a plurality of damping air cavities.
Compared with the related art, the noise reduction device for the diesel generator set has the following beneficial effects:
1. The utility model provides a noise reduction device for a diesel generator set, wherein a sound absorption felt is arranged on the inner side of a stainless steel outer plate in a noise reduction outer box to conduct sound absorption and noise reduction operation, meanwhile, a suction box is arranged on one side, close to a generator, of the sound absorption felt, sound absorption cotton is arranged on the inner side of the sound absorption box, the noise reduction effect is improved through the cooperation of the sound absorption cotton and the sound absorption felt, and meanwhile, the noise reduction effect of the device is further improved through the cooperation of sound absorption holes I and sound absorption holes II on an inner decorative plate, which are arranged in a staggered mode.
2. The utility model provides a noise reduction device for a diesel generator set, which is characterized in that a plurality of damping connection mechanisms are arranged between a supporting underframe and a supporting plate, a first contact plate and a second contact plate in the damping connection mechanisms are utilized to connect the supporting underframe with the supporting plate, a second damping rubber pad, the first damping rubber pad and a rubber connection pad are utilized to cooperate to buffer collision between the supporting underframe and a generator, and meanwhile, the problem of noise in the collision process is effectively avoided by adopting rubber material structure connection.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial perspective structure of the present utility model;
FIG. 3 is a schematic view of a partial explosion structure of the present utility model;
FIG. 4 is a schematic view of another angular partial explosion of the present utility model;
FIG. 5 is a schematic diagram of the explosion structure of the side wall of the noise reduction outer box of the present utility model;
Fig. 6 is a schematic cross-sectional perspective view of a shock absorbing attachment mechanism according to the present utility model.
In the figure: 1. a supporting bottom frame; 2. a noise reduction outer box; 21. stainless steel outer side plates; 22. a fireproof and moistureproof plate; 23. a sound absorbing felt; 24. a sound suction box; 25. a sound absorption hole I; 26. an interior trim panel; 27. a sound absorption hole II; 28. sound absorbing cotton; 3. an access door; 4. a heat radiation window; 5. a support plate; 6. a generator; 7. a shock absorbing connection mechanism; 71. a first contact plate; 72. a damping rubber cushion I; 73. a rubber connection pad; 74. a damping rubber pad II; 75. a second contact plate; 76. reinforcing the steel plate; 77. a buffer air cavity; 8. and an observation window.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a diesel generating set noise reduction device, including supporting underframe 1, the inboard of supporting underframe 1 is provided with backup pad 5, all be provided with a plurality of shock attenuation coupling mechanism 7 between backup pad 5 and the adjacent lateral wall of supporting underframe 1, the upper end of backup pad 5 is provided with generator 6 and falls outer case 2 of making an uproar, fall the outside that outer case 2 is located generator 6 falls, the upper lateral wall and the preceding lateral wall of outer case 2 of making an uproar all are provided with access door 3, the right lateral wall of outer case 2 of making an uproar falls is provided with observation window 8, the left side end of outer case 2 of making an uproar falls is provided with heat dissipation window 4;
The side wall of the noise reduction outer box 2 comprises a stainless steel outer side plate 21, a sound absorption box 24 is arranged on one side of the stainless steel outer side plate 21, close to the generator 6, of the sound absorption box 24, sound absorption holes I25 are formed in the side wall, close to the generator 6, of the sound absorption box 24, and the side wall, far from the generator 6, of the sound absorption box 24, the sound absorption holes I25, close to the generator 6, are staggered with the sound absorption holes I25, far from the generator 6, and sound absorption cotton 28 is filled in the sound absorption box 24;
The side wall of the stainless steel outer plate 21, which is close to the sound absorption box 24, is provided with a fireproof and dampproof plate 22, a sound absorption felt 23 is arranged between the fireproof and dampproof plate 22 and the sound absorption box 24, one side of the sound absorption box 24, which is far away from the sound absorption felt 23, is provided with an inner decoration plate 26, a plurality of sound absorption holes II 27 are formed in the inner decoration plate 26, the silencing effect is improved through the cooperation of the sound absorption cotton 28 and the sound absorption felt 23, and meanwhile, the noise reduction effect of the device is further improved through the cooperation of the staggered sound absorption holes II 25 and the sound absorption holes II 27 in the inner decoration plate 26;
The damping connecting mechanism 7 comprises a first contact plate 71 and a second contact plate 75, wherein the first contact plate 71 and the second contact plate 75 are made of metal material plates, the first contact plate 71 is fixed on the inner side wall of the supporting underframe 1, the second contact plate 75 is fixed on the side wall of the supporting plate 5, a first damping rubber pad 72 and a second damping rubber pad 74 are fixedly connected to the adjacent side walls of the first contact plate 71 and the second contact plate 75 respectively, a rubber connecting pad 73 is arranged between the first damping rubber pad 72 and the second damping rubber pad 74, the first damping rubber pad 72 and the rubber connecting pad 73 are matched to buffer collision between the supporting underframe 1 and the generator 6, and meanwhile, the problem of noise in the collision process is effectively avoided by adopting rubber material structure connection;
The inside of the rubber connecting pad 73 is provided with a plurality of reinforcing steel plates 76, the plurality of reinforcing steel plates 76 are not contacted, the strength of the whole structure of the rubber connecting pad 73 is improved through the plurality of reinforcing steel plates 76, and meanwhile, the damping effect of the rubber connecting pad 73 is not influenced;
The damping air chambers 77 are respectively formed in the first damping rubber pad 72 and the second damping rubber pad 74, and the damping effect of the first damping rubber pad 72 and the second damping rubber pad 74 is further improved by the aid of the damping air chambers 77 in the first damping rubber pad 72 and the second damping rubber pad 74.
Working principle: the device is provided with a plurality of shock attenuation coupling mechanism 7 between supporting underframe 1 and backup pad 5, utilize contact plate one 71 and contact plate two 75 among the shock attenuation coupling mechanism 7 to be connected between supporting underframe 1 and backup pad 5, utilize shock attenuation rubber pad two 74 simultaneously, shock attenuation rubber pad one 72 and rubber connection pad 73 cooperation to cushion the collision between supporting underframe 1 and the generator 6, adopt rubber material structural connection to effectively avoid the problem that produces the noise in the collision process simultaneously, the inboard of stainless steel outer panel 21 is provided with the sound-absorbing felt 23 in the noise reduction outer box 2 and makes an uproar operation of making an uproar falls, be provided with the suction box in the side that sound-absorbing felt 23 is close to generator 6 simultaneously, be provided with the sound-absorbing cotton 28 in the inboard of sound-absorbing box 24, use the effect that improves the silence through the cooperation of sound-absorbing cotton 28 and sound-absorbing felt 23, utilize the sound-absorbing hole two 27 cooperation on the sound-absorbing hole one 25 and the interior trim 26 of crisscross setting to further improve the noise reduction effect of this device.

Claims (5)

1. The utility model provides a diesel generating set noise reduction device, includes support underframe (1), its characterized in that: the inside of supporting underframe (1) is provided with backup pad (5), all be provided with a plurality of shock attenuation coupling mechanism (7) between backup pad (5) and the adjacent lateral wall of supporting underframe (1), the upper end of backup pad (5) is provided with generator (6) and falls outer case (2) of making an uproar, fall the outside that outer case (2) are located generator (6), the upper lateral wall and the preceding lateral wall of falling outer case (2) all are provided with access door (3), the right side wall of falling outer case (2) of falling is provided with observation window (8), the left side end of falling outer case (2) is provided with heat dissipation window (4);
The side wall of the noise reduction outer box (2) comprises a stainless steel outer side plate (21), a sound absorbing box (24) is arranged on one side, close to the generator (6), of the stainless steel outer side plate (21), sound absorbing holes (25) are formed in the side wall, close to the generator (6) and away from the generator (6), of the sound absorbing box (24), sound absorbing holes (25) are staggered with sound absorbing holes (25) away from the generator (6), and sound absorbing cotton (28) is filled in the sound absorbing box (24).
2. The noise reduction device of a diesel generator set according to claim 1, wherein: be provided with fire prevention dampproofing board (22) on the lateral wall that stainless steel outer panel (21) are close to sound absorbing box (24), be provided with between fire prevention dampproofing board (22) and sound absorbing box (24) and inhale sound felt (23), one side that sound absorbing box (24) kept away from inhale sound felt (23) is provided with interior plaque (26), a plurality of is inhaled sound hole two (27) have been seted up on interior plaque (26).
3. The noise reduction device of a diesel generator set according to claim 1, wherein: the damping connecting mechanism (7) comprises a first contact plate (71) and a second contact plate (75), the first contact plate (71) and the second contact plate (75) are made of metal material plates, the first contact plate (71) is fixed on the inner side wall of the supporting underframe (1), the second contact plate (75) is fixed on the side wall of the supporting plate (5), a first damping rubber pad (72) and a second damping rubber pad (74) are fixedly connected to the adjacent side walls of the first contact plate (71) and the second contact plate (75) respectively, and a rubber connecting pad (73) is arranged between the first damping rubber pad (72) and the second damping rubber pad (74).
4. A diesel-electric set noise reduction device as defined in claim 3, wherein: the inside of rubber connection pad (73) is provided with a plurality of reinforcement steel sheet (76), and a plurality of all do not contact between the reinforcement steel sheet (76).
5. A diesel-electric set noise reduction device as defined in claim 3, wherein: a plurality of buffer air chambers (77) are formed in the first damping rubber pad (72) and the second damping rubber pad (74).
CN202322801306.4U 2023-10-18 2023-10-18 Noise reduction device of diesel generating set Active CN220849847U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322801306.4U CN220849847U (en) 2023-10-18 2023-10-18 Noise reduction device of diesel generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322801306.4U CN220849847U (en) 2023-10-18 2023-10-18 Noise reduction device of diesel generating set

Publications (1)

Publication Number Publication Date
CN220849847U true CN220849847U (en) 2024-04-26

Family

ID=90741959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322801306.4U Active CN220849847U (en) 2023-10-18 2023-10-18 Noise reduction device of diesel generating set

Country Status (1)

Country Link
CN (1) CN220849847U (en)

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