CN215170384U

CN215170384U - Mute generator set with multistage noise reduction mechanism

Info

Publication number: CN215170384U
Application number: CN202120178877.5U
Authority: CN
Inventors: 王锦桂
Original assignee: Jiangsu Baiwei Power Generation Equipment Co ltd
Current assignee: Jiangsu Baiwei Power Generation Equipment Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-12-14
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a silent generator set with a multi-stage noise reduction mechanism, which comprises a hollow box, a first silencing mechanism and a second silencing mechanism; a hollow box: the damping box is characterized in that the inner bottom surface and the inner top surface of the damping box are respectively provided with a damping plate, the bottom surface of the hollow box is provided with a damping plate, the middle part of the front side surface of the hollow box is provided with an installation window, and double-layer sound insulation glass is arranged inside the installation window; the first silencing mechanism: the first silencing mechanism is arranged on the opposite inner side surface of the buffer plate, a generator is arranged inside the first silencing mechanism, an exhaust pipe is arranged at an air outlet of the generator, and an air inlet pipe is arranged at an air inlet arranged in the middle of the first silencing mechanism; the second silencing mechanism: the symmetry sets up in the inside of hollow case, and first silencing mechanism and second silencing mechanism are all run through in proper order to blast pipe and intake pipe, and this have the silence generating set of the mechanism of making an uproar that falls in multistage, production and the propagation that can effectual noise reduction, and dual silencing mechanism can guarantee the amortization quality of device, avoids the noise harm workman's healthy.

Description

Mute generator set with multistage noise reduction mechanism

Technical Field

The utility model relates to a power generation technical field specifically is a silence generator unit with multistage mechanism of making an uproar that falls.

Background

The generator set is a complete mechanical equipment for converting energy in other forms into electric energy, and is composed of a power system, a control system, a silencing system, a damping system and an exhaust system, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines to convert the energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, convert the electric energy into by the generator again, use on exporting the consumer, the generator is in industrial and agricultural production, national defense, there is extensive usage in science and technology and daily life, current generating set adopts diesel generator more, the noise ratio is bigger, amortization mechanism utilizes the shell to seal open generating set mostly, and adhesion sound-proof material on the shell inner wall, there are many defects, the amortization performance of device is poor, the production and the propagation of noise reduction can not, single structure, can not guarantee the amortization quality of device, harm workman's healthy easily, consequently, a silence generating set with multistage noise reduction mechanism has been proposed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a silence generator unit with multistage mechanism of making an uproar that falls, the amortization performance of device is good, can effectual noise reduction's production and propagation, and dual noise reduction mechanism can guarantee the amortization quality of device, avoids the noise harm workman's healthy, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mute generator set with a multi-stage noise reduction mechanism comprises a hollow box, a first silencing mechanism and a second silencing mechanism;

a hollow box: the damping box is characterized in that the inner bottom surface and the inner top surface of the damping box are respectively provided with a damping plate, the bottom surface of the hollow box is provided with a damping plate, the middle part of the front side surface of the hollow box is provided with an installation window, and double-layer sound insulation glass is arranged inside the installation window;

the first silencing mechanism: the first silencing mechanism is arranged on the opposite inner side surface of the buffer plate, a generator is arranged inside the first silencing mechanism, an exhaust pipe is arranged at an air outlet of the generator, and an air inlet pipe is arranged at an air inlet arranged in the middle of the first silencing mechanism;

the second silencing mechanism: the exhaust pipe and the air inlet pipe are symmetrically arranged in the hollow box, and both sequentially penetrate through the first silencing mechanism and the second silencing mechanism, and silencers are connected in series at the outer side end of the exhaust pipe and the outer side end of the air inlet pipe;

wherein: still include control switch, control switch sets up in the leading flank of hollow case, and external power source is connected to control switch's input electricity, and the input of generator is connected with control switch's output electricity, and the amortization performance of device is good, can effectual noise reduction's production and propagation, and dual amortization mechanism can guarantee the amortization quality of device, avoids the noise harm workman's healthy, improves the security of operation.

Further, first noise reduction mechanism includes sound-proof wall, rubber pad, shock attenuation acoustic celotex board, bell jar and soundproof cotton board, the upper and lower both ends face of sound-proof wall respectively with the relative medial surface fixed connection of buffer board, the inside right flank of sound-proof wall is equipped with the soundproof cotton board, the air inlet department that soundproof cotton board middle part set up is equipped with the intake pipe, the inside left surface of sound-proof wall is equipped with the rubber pad, the right flank of rubber pad is equipped with the shock attenuation acoustic celotex board, the right flank middle part of shock attenuation acoustic celotex board is equipped with the generator, the relative medial surface of two buffer boards all is equipped with evenly distributed's bell jar, dual noise reduction mechanism can guarantee the amortization quality of device, avoid the noise to influence personnel's healthy.

Further, second noise reduction mechanism is including inhaling the sound cotton, inhaling sound groove and wave board, the wave board symmetry sets up in the inside of hollow box, the relative medial surface of wave board all is equipped with evenly distributed's the sound groove of inhaling, it has the sound cotton of inhaling all to fill in the clearance that the back lateral surface of wave board and the left and right sides wall of hollow box formed, the right-hand member of intake pipe runs through the right side wall of sound-proof wall in proper order, the wave board on right side and the right side wall of hollow box, the horizontal body of blast pipe runs through the shock attenuation acoustic celotex board in proper order, the rubber pad, the left side wall of sound-proof wall, the left side wall of left wave board and hollow box, the noise cancelling performance of device is good, can effectual noise abatement's production and propagation, avoid the noise harm workman's healthy, improve the security of operation.

Furthermore, the left side face and the right side face of the damping plate are both provided with symmetrical bottom plates, and the middle of each bottom plate is provided with a mounting hole, so that the device can be conveniently mounted and fixed, and the stability of the device can be ensured.

Further, still include the rubber sleeve, the rubber sleeve sets up in the extrados of blast pipe, can reduce the frequency of blast pipe vibration, the production of noise abatement.

Compared with the prior art, the beneficial effects of the utility model are that: this silence generator unit with multistage mechanism of making an uproar of falling has following benefit:

1. make the generator operation electricity generation through control switch, the waste gas that produces during the electricity generation passes through the blast pipe and discharges, the inside atmospheric pressure of sound-proof wall reduces, the inside of outside gas through the intake pipe entering sound-proof wall, the silencer of the inside series connection of blast pipe and intake pipe can be with the device exhaust with the sound elimination that produces when admitting air, the rubber sleeve that the blast pipe extrados set up can reduce the frequency of blast pipe vibration, can noise abatement pollution, the harm of noise abatement to workman's health.

2. Rubber pad and shock attenuation acoustic celotex board can reduce the mechanical vibration that produces when the generator operation, noise reduction in sound source department, the acoustic celotex wall is by the front bezel, the back plate, the curb plate constitutes a confined box structure, form a modularization unit, the front bezel is the galvanized steel sheet of twenty-five percent of perforation rate, back bezel and curb plate are the galvanized steel sheet of unperforated hole, the dampproofing centrifugal glass cotton board of intussuseption between the two-layer board, sound absorbing material covers with polyvinyl fluoride film, acoustic celotex wall and acoustic celotex cotton board can the noise reduction leak, the bell jar that the relative medial surface of buffer board set up can absorb the noise, the noise cancelling performance of device is good, production and the propagation that can effectual noise reduction, avoid the noise harm workman's healthy, the security of improvement operation.

3. The noise of a small amount of leakages contacts with the medial surface of wave board, and then is inhaled the sound groove and inhale the cotton elimination of sound, and dual amortization mechanism can guarantee the amortization quality of device, avoids the noise to influence personnel's healthy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal cross-sectional structure of the first silencing mechanism of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of a second silencing mechanism according to the present invention.

In the figure: the device comprises a hollow box 1, a buffer plate 2, a generator 3, an exhaust pipe 4, a silencer 5, a first silencing mechanism 6, a sound-proof wall 61, a rubber pad 62, a shock-absorbing sound-proof plate 63, a conical groove 64, a sound-proof cotton plate 65, a second silencing mechanism 7, sound-absorbing cotton 71, a sound-absorbing groove 72, a wave plate 73, a control switch 8, a mounting window 9, a shock-absorbing plate 10, a bottom plate 11, a mounting hole 12, a rubber sleeve 13 and an air inlet pipe 14.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a silent generator set with a multi-stage noise reduction mechanism comprises a hollow box 1, a first silencing mechanism 6 and a second silencing mechanism 7;

a hollow box 1: the damping device comprises a hollow box 1, a damping plate 2, a damping plate 10, a double-layer sound-proof glass and a mounting window 9, wherein the damping plate 2 is arranged on the inner bottom surface and the inner top surface of the hollow box 1 respectively, the mounting and fixing place is provided, the damping plate 2 can reduce the transmission of vibration, the damping plate 10 can reduce the vibration caused by the contact of the device and the ground, the noise can be reduced, the mounting window 9 is arranged in the middle of the front side surface of the hollow box 1, and the double-layer sound-proof glass is arranged in the mounting window 9, so that the running condition of the generator 3 can be observed conveniently;

first silencing mechanism 6: the generator 3 is arranged inside the first silencing mechanism 6, the exhaust pipe 4 is arranged at the air outlet of the generator 3, the exhaust pipe 4 is convenient for exhaust gas to exhaust, the air inlet 14 is arranged at the air inlet arranged in the middle of the first silencing mechanism 6, the air inlet 14 is convenient for gas to enter, the first silencing mechanism 6 comprises a sound insulation wall 61, a rubber pad 62, a shock absorption sound insulation plate 63, a conical groove 64 and a sound insulation cotton plate 65, the upper end surface and the lower end surface of the sound insulation wall 61 are respectively and fixedly connected with the opposite inner side surfaces of the buffer plate 2, the sound insulation cotton plate 65 is arranged on the right side surface inside the sound insulation wall 61, the air inlet 14 is arranged at the air inlet arranged in the middle of the sound insulation cotton plate 65, the rubber pad 62 is arranged on the left side surface inside the sound insulation wall 61, the shock absorption sound insulation plate 63 is arranged on the right side surface of the rubber pad 62, the generator 3 is arranged in the middle of the right side surface of the shock absorption sound insulation plate 63, the conical grooves 64 which are uniformly distributed are arranged on the opposite inner side surfaces of the two buffer plates 2, the rubber pad 62 and the shock-absorbing sound-insulating plate 63 can reduce the mechanical vibration generated when the generator 3 operates, the noise is reduced at the sound source, the sound-insulating wall 61 is of a closed box structure formed by a front plate, a rear plate and side plates to form a modular unit, the front plate is a galvanized steel plate with a perforation rate of 25%, the rear plate and the side plates are non-perforated galvanized steel plates, a damp-proof centrifugal glass wool board is filled between the two plates, a sound-absorbing material is covered by a polyvinyl fluoride film, the sound-insulating wall 61 and the sound-insulating cotton board 65 can reduce the noise leakage, the conical groove 64 arranged on the opposite inner side surface of the buffer board 2 can absorb the noise, the noise-insulating performance of the device is good, the generation and the transmission of the noise can be effectively reduced, the noise is prevented from harming the health of workers, and the safety of the operation is improved;

second silencing mechanism 7: the exhaust pipe 4 and the air inlet pipe 14 penetrate through the first silencing mechanism 6 and the second silencing mechanism 7 in sequence, the silencer 5 is connected in series at the outer end of the exhaust pipe 4 and the outer end of the air inlet pipe 14, the second silencing mechanism 7 comprises sound absorption cotton 71, sound absorption grooves 72 and wave plates 73, the wave plates 73 are symmetrically arranged inside the hollow box 1, the sound absorption grooves 72 are uniformly distributed on the opposite inner sides of the wave plates 73, the sound absorption cotton 71 is filled in gaps formed by the opposite outer sides of the wave plates 73 and the left and right side walls of the hollow box 1, the right end of the air inlet pipe 14 penetrates through the right side wall of the sound-proof wall 61, the wave plate 73 on the right side and the right side wall of the hollow box 1 in sequence, the horizontal pipe body of the exhaust pipe 4 penetrates through the vibration-absorbing and sound-proof plate 63, the rubber pad 62, the left side wall of the sound-proof wall 61, the wave plate 73 on the left side and the left side wall of the hollow box 1 in sequence, a small amount of leaked noise is contacted with the inner side surface of the wavy plate 73 and further eliminated by the sound absorption groove 72 and the sound absorption cotton 71, and the double silencing mechanism can ensure the silencing quality of the device and avoid the noise from influencing the body health of personnel;

wherein: still include control switch 8, regulate and control each subassembly normal operating, control switch 8 sets up in the leading flank of hollow case 1, and external power source is connected to control switch 8's input electricity, and the input of generator 3 is connected with control switch 8's output electricity.

Wherein: the left and right sides face of the damping plate 10 is provided with symmetrical bottom plates 11, the middle of each bottom plate 11 is provided with a mounting hole 12, an external bolt penetrates through the mounting hole 12 formed in the middle of each bottom plate 11, the device is fixed on the ground, the device is convenient to mount and fix, and the stability of the device can be guaranteed.

Wherein: still include rubber sleeve 13, rubber sleeve 13 sets up in the extrados of blast pipe 4, and rubber sleeve 13 that 4 extrados of blast pipe set up can reduce the frequency of 4 vibrations of blast pipe, the production of noise abatement.

When in use: preferably, an external bolt penetrates through a mounting hole 12 formed in the middle of a bottom plate 11 to fix the device on the ground, so that the device can be conveniently mounted and fixed, the stability of the device can be ensured, the generator 3 can run to generate electricity through a control switch 8, waste gas generated during power generation is discharged through an exhaust pipe 4, the air pressure inside a sound-proof wall 61 is reduced, external gas enters the sound-proof wall 61 through an air inlet pipe 14, a silencer 5 connected in series inside the exhaust pipe 4 and the air inlet pipe 14 can eliminate sound generated during exhaust and air inlet of the device, a rubber sleeve 13 arranged on the outer arc surface of the exhaust pipe 4 can reduce the vibration frequency of the exhaust pipe 4, reduce noise pollution and reduce the harm of noise to the body of a worker, a rubber pad 62 and a damping sound-proof plate 63 can reduce mechanical vibration generated during running of the generator 3 and reduce noise at a sound source, the sound-proof wall 61 is composed of a front plate and a rear plate, the side plates form a closed box-type structure to form a modular unit, the front plate is a galvanized steel plate with the perforation rate of 25 percent, the rear plate and the side plates are non-perforated galvanized steel plates, a moistureproof centrifugal glass wool board is filled between the two plates, the sound absorption material is covered by a polyvinyl fluoride film, the sound insulation wall 61 and the sound insulation wool board 65 can reduce noise leakage, the tapered groove 64 arranged on the opposite inner side surface of the buffer plate 2 can absorb noise, the silencing performance of the device is good, the generation and the propagation of the noise can be effectively reduced, the noise is prevented from harming the body health of workers, the operation safety is improved, a small amount of leaked noise is contacted with the inner side surface of the corrugated plate 73 and further eliminated by the sound absorption groove 72 and the sound absorption wool 71, the double silencing mechanism can ensure the silencing quality of the device, the noise is prevented from influencing the body health of personnel, and the vibration generated by the contact of the device and the ground can be reduced by the damping plate 10, noise generation can be reduced.

It should be noted that the generator 3 disclosed in the present embodiment can be an electrically-started small gasoline generator with model number YT7800DCE-2 of shanghai itai power generator, ltd, and the control switch 8 is provided with a switch button corresponding to the generator 3 for controlling the switch operation thereof.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a silence generator unit with mechanism of making an uproar falls in multistage which characterized in that: comprises a hollow box (1), a first silencing mechanism (6) and a second silencing mechanism (7);

hollow box (1): the damping box is characterized in that the inner bottom surface and the inner top surface of the damping box are respectively provided with a damping plate (2), the bottom surface of the hollow box (1) is provided with a damping plate (10), the middle part of the front side surface of the hollow box (1) is provided with a mounting window (9), and double-layer sound-insulating glass is mounted inside the mounting window (9);

first silencing mechanism (6): the air inlet is arranged at the middle part of the first silencing mechanism (6) and is provided with an air inlet pipe (14);

second silencing mechanism (7): the exhaust pipe (4) and the air inlet pipe (14) penetrate through the first silencing mechanism (6) and the second silencing mechanism (7) in sequence, and the outer end of the exhaust pipe (4) and the outer end of the air inlet pipe (14) are connected with a silencer (5) in series;

wherein: still include control switch (8), control switch (8) set up in the leading flank of hollow case (1), and external power source is connected to the input electricity of control switch (8), and the input of generator (3) is connected with the output electricity of control switch (8).

2. A silent generator set with a multi-stage noise reduction mechanism as claimed in claim 1, wherein: first noise damping mechanism (6) are including sound-proof wall (61), rubber pad (62), shock attenuation acoustic celotex board (63), bell jar (64) and soundproof cotton board (65), the upper and lower both ends face of sound-proof wall (61) respectively with the relative medial surface fixed connection of buffer board (2), the inside right flank of sound-proof wall (61) is equipped with soundproof cotton board (65), the air inlet department that soundproof cotton board (65) middle part set up is equipped with intake pipe (14), the inside left surface of sound-proof wall (61) is equipped with rubber pad (62), the right flank of rubber pad (62) is equipped with shock attenuation acoustic celotex board (63), the right flank middle part of shock attenuation acoustic celotex board (63) is equipped with generator (3), the relative medial surface of two buffer boards (2) all is equipped with evenly distributed's bell jar (64).

3. A silent generator set with a multi-stage noise reduction mechanism as claimed in claim 2, wherein: second noise reduction mechanism (7) are including inhaling sound cotton (71), inhaling sound groove (72) and wave board (73), wave board (73) symmetry sets up in the inside of hollow box (1), and the relative medial surface of wave board (73) all is equipped with evenly distributed's sound absorption groove (72), all packs in the clearance that the lateral surface and hollow box (1) left and right sides wall formed back to of wave board (73) and inhale sound cotton (71), and the right-hand member of intake pipe (14) runs through the right side wall of sound-proof wall (61) in proper order, the right side wall of wave board (73) and hollow box (1) on right side, and the horizontal body of blast pipe (4) runs through shock attenuation acoustic celotex board (63), rubber pad (62), the left side wall of sound-proof wall (61), the left side wall of left wave board (73) and the left side wall of hollow box (1) in proper order.

4. A silent generator set with a multi-stage noise reduction mechanism as claimed in claim 1, wherein: the left side face and the right side face of the damping plate (10) are respectively provided with a symmetrical bottom plate (11), and the middle of each bottom plate (11) is provided with a mounting hole (12).

5. A silent generator set with a multi-stage noise reduction mechanism as claimed in claim 1, wherein: still include rubber sleeve (13), rubber sleeve (13) set up in the extrados of blast pipe (4).