CN216477564U

CN216477564U - Diesel generating set seals case of making an uproar that falls

Info

Publication number: CN216477564U
Application number: CN202120455456.2U
Authority: CN
Inventors: 吴爱林
Original assignee: Jiangsu Shuangma Electromechanical Equipment Co ltd
Current assignee: Jiangsu Shuangma Electromechanical Equipment Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2022-05-10
Anticipated expiration: 2031-03-03

Abstract

The utility model relates to a closed noise reduction box of a diesel generating set, which comprises a noise reduction box, the diesel generating set, a sound insulation wall, an air exhaust noise reduction structure, an air inlet silencer and a cabinet, wherein the diesel generating set is fixed on a chassis; an air exhaust noise reduction structure is arranged at the air exhaust end above the outer side of the generator, and the air intake silencer and the air exhaust noise reduction structure are both fixed on the machine cabinet; the generator is connected with an air inlet cavity through a pipeline, and a sound insulation wall is arranged inside the noise reduction box; the utility model can solve the problems of noise reduction and noise reduction aiming at the noise source of the unit and improve the integral noise reduction effect of the unit.

Description

Diesel generating set seals case of making an uproar that falls

Technical Field

The utility model relates to the technical field of generator sets, in particular to a closed noise reduction box of a diesel generator set.

Background

The diesel generator is a small-sized power generation device, which refers to a power machine using diesel oil and the like as fuel and using a diesel engine as a prime mover to drive the generator to generate power, the whole set of unit generally comprises parts such as a diesel engine, a generator, a control box, a fuel tank, a protection device, an emergency cabinet and the like, and can be used for daily power generation and emergency power generation of various families, offices, large, medium and small enterprises, the noise reduction mechanism of the diesel generator set on the market has poor noise reduction effect and is inconvenient to transport, a large amount of heat can be emitted, and the like, so that inconvenience is brought to users, the diesel generator set is arranged in a closed noise reduction box, and therefore, the noise reduction box for the diesel generator set is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one of the technical problems in the diesel generator set technology to a certain extent. Therefore, the utility model provides a closed noise reduction box of a diesel generating set.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a closed noise reduction box of a diesel generating set comprises a noise reduction box, the diesel generating set, a sound insulation wall, an air exhaust noise reduction structure, an air inlet silencer and a cabinet, wherein the diesel generating set is fixed on a chassis; an air exhaust noise reduction structure is arranged at the air exhaust end above the outer side of the generator, and the air intake silencer and the air exhaust noise reduction structure are both fixed on the machine cabinet; the outer pipe connection of generator has the air inlet chamber, open in the air inlet chamber and be equipped with the air intake, it is provided with the sound-proof wall to fall the incasement portion of making an uproar.

Preferably, the sound-proof wall, including the sound cotton of inhaling of the inside fixed connection of sound-proof wall, set up the acoustic celotex board in the inner wall bottom of the case of making an uproar falls, the inner wall bottom fixed connection chassis of the case of making an uproar falls.

The exhaust noise reduction structure comprises a smoke exhaust pipe, an exhaust silencing pipe, an exhaust cavity and an exhaust control valve; the exhaust silencing pipe is connected with the diesel generating set and the exhaust cavity, the exhaust control valve is arranged on the exhaust silencing pipe, and the exhaust pipe, the exhaust silencing pipe and the exhaust cavity are fixed above the diesel generating set.

The air inlet silencer and the air exhaust silencer are respectively composed of a plurality of silencing sheets which are arranged at intervals; the air inlet silencer is connected with the generator through a flange and a sealing gasket.

The noise reduction box is provided with heat dissipation holes, sound absorption lugs are arranged in the heat dissipation holes, and a dust screen is arranged above the heat dissipation holes.

The utility model has the beneficial effects that: after adopting above-mentioned structure, the inside noise elimination lamina membranacea of the interval arrangement of air inlet muffler pipe evenly sets up, seals and falls the case lid of making an uproar in diesel generating set's outside, can carry out the sound absorption to the mechanical noise that devices such as internal generator, diesel engine, fan produced in operation and fall and make an uproar, and the exhaust carries on and falls the structure of making an uproar, can fall the high frequency noise that the generator exhaust produced, and the air inlet silencer can fall the noise that the generator air inlet produced. Therefore, the utility model can solve the problems of noise elimination and noise reduction aiming at the noise source of the unit and improve the overall noise reduction effect of the unit.

Drawings

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

in the figure: the device comprises a noise reduction box 1, a diesel generating set 2, a sound insulation wall 3, an exhaust noise reduction structure 4, an air inlet silencer 5, a cabinet 6, a chassis 7, a diesel engine 8, a generator 9, a radiator 10, a fan 11, an air inlet cavity 12, an air inlet 13, sound absorption cotton 14, a sound insulation plate 15, a smoke exhaust pipe 41, an exhaust sound elimination pipe 42, an exhaust cavity 43, an exhaust control valve 44, a heat dissipation hole 16, a sound absorption lug 17 and a dust screen 18.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1, a diesel generator set closed noise reduction box comprises a noise reduction box 1, a diesel generator set 2, a sound insulation wall 3, an air exhaust noise reduction structure 4, an air inlet silencer 5 and a cabinet 6, wherein the diesel generator set 2 is fixed on a chassis 7, the diesel generator set 2 comprises a diesel engine 8 and a generator 9, a radiator 10 is arranged outside the generator 9, the radiator 10 is erected above the generator 9 and internally provided with a fan 11, and the radiator 10 on the generator 9 is connected with the air exhaust noise reduction structure 4 through a pipeline; an air exhaust noise reduction structure 4 is arranged at the air exhaust end above the outer side of the generator 9, and the air inlet silencer 5 and the air exhaust noise reduction structure 4 are both fixed on the cabinet 6; an air inlet cavity 12 is connected to an outer pipeline of the generator 9, an air inlet 13 is formed in the air inlet cavity 12, and a sound insulation wall 3 is arranged inside the noise reduction box 1; including the sound cotton 14 of inhaling of 3 inside fixed connection of sound-proof wall, seted up acoustic celotex board 15 in the inner wall bottom of noise reduction box 1, noise reduction box 1's inner wall bottom fixed connection chassis 7.

The air exhaust noise reduction structure 4 comprises a smoke exhaust pipe 41, an air exhaust silencing pipe 42, an air exhaust cavity 43 and an air exhaust control valve 44; the exhaust silencing pipe 42 is connected with the diesel generating set 2 and the exhaust cavity 43, the exhaust control valve 44 is arranged on the exhaust silencing pipe 42, and the exhaust pipe 41, the exhaust silencing pipe 42 and the exhaust cavity 43 are fixed above the diesel generating set 1.

The air inlet silencer 5 and the air exhaust silencing pipe 42 are respectively composed of a plurality of silencing sheets which are arranged at intervals; the air inlet silencer 5 is connected with the generator 9 through a flange and a sealing gasket.

The noise reduction box 1 is provided with heat dissipation holes 16, sound absorption bumps 17 are arranged in the heat dissipation holes 16, and dust screens 18 are arranged above the heat dissipation holes 16.

The working principle is as follows: the noise reduction plate is characterized in that a plurality of noise reduction plates which are arranged at intervals inside the air exhaust noise reduction pipe 42 are uniformly arranged, the closed noise reduction box 1 covers the outside of the diesel generator set 2, mechanical noise generated by the operation of an internal generator 9, a diesel engine 8, a fan 11 and the like can be absorbed and reduced, the exhaust carrying noise reduction structure can reduce the noise of high-frequency noise generated by the exhaust of the generator 9, and the air inlet muffler 42 can reduce the noise generated by the air inlet of the generator 9. Therefore, the utility model can solve the problems of noise elimination and noise reduction aiming at the noise source of the unit and improve the overall noise reduction effect of the unit.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. The utility model provides a diesel generating set seals and falls case of making an uproar, falls structure, air inlet silencer and rack of making an uproar including making an uproar case, diesel generating set, sound insulating wall, airing exhaust, its characterized in that: the diesel generator set is fixed on the chassis and comprises a diesel engine and a generator, a radiator is arranged outside the generator and erected above the left side of the generator, a fan is arranged on the radiator, and the radiator on the generator is connected with the air exhaust and noise reduction structure through a pipeline; an air exhaust noise reduction structure is arranged at the air exhaust end above the outer side of the generator, and the air intake silencer and the air exhaust noise reduction structure are both fixed on the machine cabinet; the generator has an air inlet cavity through the pipe connection, the noise reduction box is internally provided with a sound insulation wall.

2. The closed noise reduction box of the diesel generator set according to claim 1, characterized in that: the sound-proof wall comprises sound-absorbing cotton fixedly connected with the inside of the sound-proof wall, a sound-proof plate is arranged in the bottom of the inner wall of the noise reduction box, and the bottom of the inner wall of the noise reduction box is fixedly connected with a chassis.

3. The closed noise reduction box of the diesel generator set according to claim 1, characterized in that: the exhaust noise reduction structure comprises a smoke exhaust pipe, an exhaust silencing pipe, an exhaust cavity and an exhaust control valve; the exhaust silencing pipe is connected with the diesel generating set and the exhaust cavity, the exhaust control valve is arranged on the exhaust silencing pipe, and the exhaust pipe, the exhaust silencing pipe and the exhaust cavity are fixed above the diesel generating set.

4. The closed noise reduction box of the diesel generator set according to claim 3, characterized in that: the air inlet silencer and the air exhaust silencer are respectively composed of a plurality of silencing sheets which are arranged at intervals; the air inlet silencer is connected with the generator through a flange and a sealing gasket.

5. The closed noise reduction box of the diesel generator set according to claim 1, characterized in that: the noise reduction box is provided with heat dissipation holes, sound absorption lugs are arranged in the heat dissipation holes, and a dust screen is arranged above the heat dissipation holes.