Noise reduction shell for gas generator set

Abstract

The utility model discloses a noise reduction shell for a gas generator set, which relates to the technical field of gas generator assemblies, and comprises a base, one end of the base is fixedly connected with an air outlet silencing box, the other end of the base is provided with an air inlet silencing box, and the outer wall of the air outlet silencing box and the outer wall of the air inlet silencing box are fixedly connected with shutter frame plates. A plurality of noise reduction outer plates are installed on the top face of the base, the multiple noise reduction outer plates are sequentially installed on the base through connection of the limiting insertion plates and the limiting clamping grooves to shade the outside of the unit, and the inner sides of the noise reduction outer plates are provided with porous structures through matched use of the sound absorption cotton and the honeycomb aluminum plates. Sound waves generated during unit operation can be effectively absorbed, sound reflection is reduced, the noise level in the shell is reduced, vibration energy of the plate can be consumed through the damping plate arranged on the inner side of the galvanized outer plate, vibration and noise transmission are reduced, and the noise reduction effect on unit operation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas generating unit component technical field especially relates to the noise reduction shell for gas generating unit. BACKGROUND

[0002] The gas generating unit is a new type of generating set, and the gas generating unit is mainly divided into two kinds, one is combined cycle gas turbine, and the other is gas internal combustion engine, the gas turbine is relatively large in power, and is mainly used in large and medium-sized power stations, the gas internal combustion engine is relatively small in power, and is mainly used in small distributed power stations, and it is a new type of green and environment-friendly power to replace oil and coal-fired generating sets.

[0003] At present, the gas generating unit will generate a large amount of noise in the running process, and the noise sources mainly include gas combustion noise, engine vibration noise, exhaust noise and ventilation and heat dissipation system noise, these noises not only will cause interference to the life and work of surrounding residents, influence people's rest, study and mental health, but also can have negative effects on the ecological environment nearby. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problem that the existing gas generating unit will generate a large amount of noise in the running process, and the noise sources mainly include gas combustion noise, engine vibration noise, exhaust noise and ventilation and heat dissipation system noise, these noises not only will cause interference to the life and work of surrounding residents, influence people's rest, study and mental health, but also can have negative effects on the ecological environment nearby, and the noise reduction shell for gas generating unit is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The noise reduction shell for gas generating unit, including base, one end of base is fixedly connected with the air outlet sound absorbing box, the other end of base is installed with the air inlet sound absorbing box, the outer wall of one side of air outlet sound absorbing box and air inlet sound absorbing box is fixedly connected with the louver frame board, the top surface of base is installed with the noise reduction outer plate, the noise reduction outer plate is provided with a plurality of, the noise reduction outer plate includes the sound absorption cotton, the honeycomb aluminum plate, the damping plate and the galvanized outer plate, the inner side wall of galvanized outer plate is fixedly connected with the damping plate, the inner side wall of damping plate is fixedly connected with the honeycomb aluminum plate, the inner side wall of honeycomb aluminum plate is fixedly connected with the sound absorption cotton.

[0007] Preferably, the top surface of the base is fixedly connected with a rubber pad, the two sides of the rubber pad are provided with a limiting clamping groove, and the limiting clamping groove is opened in the inner side wall of the base.

[0008] Preferably, the bottom surface of the galvanized outer plate is fixedly connected with a limiting plug plate, and the limiting plug plate is movably connected in the limiting clamping groove.

[0009] Preferably, the outer wall of the base is threaded with a fastening bolt.

[0010] Preferably, the inside of the air outlet sound attenuation box is provided with a sound attenuation cavity, and the inner wall of the sound attenuation cavity is fixedly connected with a plurality of sound attenuation hole plates.

[0011] Preferably, the top surface of the rubber pad is fixedly connected with a support plate, and the top surface of the support plate is provided with a mounting hole.

[0012] Preferably, the inner wall of the air inlet sound attenuation box is fixedly connected with a filter screen plate.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、In the utility model, a plurality of noise reduction outer plates are installed on the base in sequence through the connection of the limiting plugboard and the limiting clamping groove to mask the outside of the unit, the cooperation of the sound-absorbing cotton and the honeycomb aluminum plate makes the inner side of the noise reduction outer plate have a porous structure, can effectively absorb the sound waves generated by the unit operation, reduce the sound reflection, thereby reducing the noise level in the shell, the damping plate arranged on the inner side of the galvanized outer plate can consume the vibration energy of the plate, reduce the propagation of vibration and noise, and improve the noise reduction effect of the utility model during the operation of the unit.

[0015] 2、In the utility model, the setting of the fastening bolt facilitates the user to fix the plurality of noise reduction outer plates installed on the base, adopts an assembled structure, is convenient for on-site quick installation and disassembly, is also favorable for later maintenance and overhaul, and the installation of the gas generator set on the base through the support plate and the mounting hole, in cooperation with the setting of the rubber pad, can reduce the vibration generated by the generator set during operation and transmitted to the shell and the base, thereby reducing the propagation of structural noise. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the noise reduction shell for the gas generator set is provided for the utility model;

[0017] Figure 2 A rear view structure schematic view of the noise reduction shell for the gas generator set is provided for the utility model;

[0018] Figure 3 An internal structure schematic view of the noise reduction shell for the gas generator set is provided for the utility model;

[0019] Figure 4 An internal structure schematic view of the noise reduction outer plate of the noise reduction shell for the gas generator set is provided for the utility model;

[0020] Figure 5 An internal structure schematic view of the air inlet sound attenuation box of the noise reduction shell for the gas generator set is provided for the utility model.

[0021] Legend: 1. Base; 11. Fastening bolt; 12. Limiting slot; 13. Rubber pad; 2. Exit silencer box; 21. Silencing cavity; 22. Silencing perforated plate; 3. Noise-reducing outer plate; 31. Sound-absorbing cotton; 32. Honeycomb aluminum plate; 33. Damping plate; 34. Galvanized outer plate; 35. Limiting insert plate; 4. Inlet silencer box; 41. Filter screen; 5. Louvered frame plate; 6. Support plate; 61. Mounting hole. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: As Figure 1 - Figure 5 As shown, this utility model provides a noise reduction housing for a gas generator set, including a base 1. One end of the base 1 is fixedly connected to an air outlet silencer box 2, and the other end of the base 1 is installed with an air inlet silencer box 4. Both the air outlet silencer box 2 and the air inlet silencer box 4 have louvered frame plates 5 fixedly connected to one side of their outer walls. A noise reduction outer plate 3 is installed on the top surface of the base 1. Multiple noise reduction outer plates 3 are provided. The noise reduction outer plate 3 includes sound-absorbing cotton 31, a honeycomb aluminum plate 32, a damping plate 33, and a galvanized outer plate 34. The damping plate 33 is fixedly connected to the inner side wall of the galvanized outer plate 34, the honeycomb aluminum plate 32 is fixedly connected to the inner side wall of the damping plate 33, and the sound-absorbing cotton 31 is fixedly connected to the inner side wall of the honeycomb aluminum plate 32.

[0025] The specific settings and functions of this embodiment are described below. By connecting the limiting insert plate 35 and the limiting slot 12, multiple noise-reducing outer plates 3 are sequentially installed on the base 1 to cover the exterior of the unit. The sound-absorbing cotton 31 and the honeycomb aluminum plate 32 work together to make the inner side of the noise-reducing outer plate 3 have a porous structure, which can effectively absorb the sound waves generated by the unit operation, reduce sound reflection, and thus reduce the noise level inside the shell. The damping plate 33 set on the inner side of the galvanized outer plate 34 can consume the energy of plate vibration, reduce the propagation of vibration and noise, and improve the noise reduction effect of this utility model on the unit operation.

[0026] Example 2: Figure 1 - Figure 5As shown, the top surface of the base 1 is fixedly connected with a rubber pad 13, both sides of the rubber pad 13 are provided with a limiting clamping groove 12, the limiting clamping groove 12 is opened in the inner side wall of the base 1, the bottom surface of the galvanized outer plate 34 is fixedly connected with a limiting plug plate 35, the limiting plug plate 35 is movably connected with the inner wall of the limiting clamping groove 12, the outer wall of the base 1 is penetratedly screwed with a fastening bolt 11, the inside of the air outlet sound absorbing box 2 is provided with a sound absorbing cavity 21, the inner wall of the sound absorbing cavity 21 is fixedly connected with a plurality of sound absorbing hole plates 22, the cross section of the sound absorbing hole plate 22 is V-shaped, the top surface of the rubber pad 13 is fixedly connected with a support plate 6, the top surface of the support plate 6 is penetratedly provided with a mounting hole 61, the inner wall of the air inlet sound absorbing box 4 is fixedly connected with a filter screen plate 41.

[0027] The whole embodiment achieves the effect that the fastening bolt 11 is arranged to facilitate the user to fix the plurality of noise reduction outer plates 3 installed on the base 1, the assembled structure is convenient for on-site quick installation and disassembly, and is also conducive to the later maintenance and overhaul, the support plate 6 and the mounting hole 61 are arranged to install the gas generator set on the base 1, and the rubber pad 13 is arranged to reduce the vibration generated by the generator set during operation and transmitted to the shell and the base through the support plate 6, thereby reducing the propagation of structural noise, the air outlet sound absorbing box 2 and the air inlet sound absorbing box 4 at both ends of the base 1 and the louver frame plate 5 are used in cooperation, the sound absorbing hole plate 22 and the filter screen plate 41 are used to effectively reduce the noise of the air inlet and air suction of the utility model, which can provide sufficient air for the generator set and prevent noise from being transmitted out.

[0028] The method for using and the working principle of the device are as follows: when in use, the user installs the gas generator set on the base 1 through the support plate 6 and the mounting hole 61, then installs the plurality of noise reduction outer plates 3 on the base 1 in sequence through the connection of the limiting plug-in plate 35 and the limiting clamping groove 12 to mask the outside of the set, uses the sound-absorbing cotton 31 and the honeycomb aluminum plate 32 in cooperation to make the inner side of the noise reduction outer plate 3 have a porous structure, can effectively absorb the sound wave generated by the operation of the set, reduce the sound reflection, can consume the energy of the plate vibration through the damping plate 33 arranged on the inner side of the galvanized outer plate 34 to reduce the propagation of vibration and noise, and through the arrangement of the fastening bolt 11, the user can fix the plurality of noise reduction outer plates 3 installed on the base 1, adopts the assembled structure, is convenient for on-site quick installation and disassembly, is also favorable for the later maintenance and overhaul, through the arrangement of the rubber pad 13, the vibration generated by the operation of the generator set on the support plate 6 can be reduced to be transmitted to the shell and the base, so that the propagation of the structural noise is reduced, and through the sound absorbing hole plate 22 and the filter screen plate 41 of the air outlet silencer 2 and the air inlet silencer 4 at both ends of the base 1, the air inlet and the air suction of the utility model are effectively treated. The above is only a preferred embodiment of the utility model, and is not limited to other forms of the utility model, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the protection scope of the technical scheme of the utility model.

Claims

1. A noise reducing enclosure for a gas powered generator set comprising a base (1) characterised in that: One end of the base (1) is fixedly connected with an air outlet sound attenuation box (2), the other end of the base (1) is installed with an air inlet sound attenuation box (4), one side outer wall of the air outlet sound attenuation box (2) and the air inlet sound attenuation box (4) is fixedly connected with a louver frame plate (5), the top surface of the base (1) is installed with a noise reduction outer plate (3), the noise reduction outer plate (3) is provided with a plurality of, the noise reduction outer plate (3) includes sound-absorbing cotton (31), honeycomb aluminum plate (32), damping plate (33) and galvanized outer plate (34), the damping plate (33) is fixedly connected to the inner side wall of the galvanized outer plate (34), the honeycomb aluminum plate (32) is fixedly connected to the inner side wall of the damping plate (33), the sound-absorbing cotton (31) is fixedly connected to the inner side wall of the honeycomb aluminum plate (32).

2. The noise reducing enclosure for a gas-powered generator set of claim 1, wherein: The top surface of the base (1) is fixedly connected with a rubber pad (13), both sides of the rubber pad (13) are provided with a limiting clamping groove (12), the limiting clamping groove (12) is opened in the inner side wall of the base (1).

3. The noise reducing enclosure for a gas-powered generator set of claim 2, wherein: The bottom surface of the galvanized outer plate (34) is fixedly connected with a limiting plug-in plate (35), the limiting plug-in plate (35) is movably connected in the limiting clamping groove (12).

4. The noise reducing enclosure for a gas generator set of claim 3, wherein: The outer wall of the base (1) is threaded connected with a fastening bolt (11).

5. The noise reducing enclosure for a gas-powered generator set of claim 1, wherein: The inside of the air outlet sound attenuation box (2) is provided with a sound attenuation cavity (21), the inner wall of the sound attenuation cavity (21) is fixedly connected with a plurality of sound attenuation hole plates (22).

6. The noise reducing enclosure for a gas-powered generator set of claim 2, wherein: The top surface of the rubber pad (13) is fixedly connected with a support plate (6), the top surface of the support plate (6) is threaded connected with a mounting hole (61).

7. The noise reducing enclosure for a gas-powered generator set of claim 1, wherein: The inner wall of the air inlet sound attenuation box (4) is fixedly connected with a filter screen plate (41).

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