Air inlet silencer of diesel generating set

By designing the interlaced partition and a sound silencer device connecting the hose, the air inlet noise and space occupation problems of diesel generator sets are solved, achieving efficient sound silence effect and multi-purpose adaptability.

CN222254142UActive Publication Date: 2024-12-27GUANGXI XINPU POWER TECH CO LTD
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Patent Information

Application Number
CN202421253901.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2024-12-27
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The noise of the air inlet duct of the diesel generator set is difficult to effectively reduce. The length of the existing silencer results in large space occupancy, and it is difficult to adjust the installation angle and position according to needs, reducing its versatility.

Method used

An air inlet silencer device including a plurality of silence components is designed to realize airflow extension and direction adjustment through interlaced first and second partitions and connecting hoses, and combine a detachable connection mechanism and sound-absorbing cotton to improve sound silence. Effect and versatility.

Benefits of technology

Improves the sound silencing effect, enhances the versatility of the device, makes it suitable for a variety of installation environments, and reduces space occupancy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of silencers, and particularly relates to a diesel generating set air inlet silencing device which comprises an air inlet pipe and an air outlet pipe, a plurality of silencing assemblies are arranged between the air inlet pipe and the air outlet pipe, connecting mechanisms are arranged among the silencing assemblies, each silencing assembly comprises an installation box body, a sealing plate, a first partition plate and a second partition plate, according to the silencer, the silencing assembly is arranged, the first partition plates and the second partition plates are alternately arranged in the silencing assembly, airflow sequentially penetrates through the first air holes in the first partition plates and the second air holes in the second partition plates, the circulation distance of the airflow is prolonged, and then the silencing effect is improved; and sound absorption cotton is arranged on the first partition plate and the second partition plate in a bonding mode, and the sound attenuation effect is further improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of silencers, and in particular relates to an air intake silencer for a diesel generator set. Background Art

[0002] The air inlet pipe of the diesel generator set will make a lot of noise due to the large air intake volume. At this time, a silencer will be installed to allow the air flow to pass through the silencer pipe and reduce the noise. In order to improve the silencing effect, the current silencer generally extends the length of the silencer pipe, which will cause the silencer to occupy a large space. When the space reserved along the axis of the silencer pipe in the installation area is insufficient, the long-distance silencer pipe cannot be installed at this time, and shortening the length of the silencer will reduce its noise reduction effect; moreover, the existing silencer is not easy to adjust the installation angle and installation position of the silencer according to the use requirements and the space of the area to be installed, resulting in poor versatility of the silencer, and a corresponding silencer needs to be specially made according to the space of the area to be installed.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0004] The utility model aims to provide an air inlet silencer for a diesel generator set to solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A diesel generator set air inlet silencer device comprises an air inlet pipe and an air outlet pipe, wherein:

[0007] A plurality of silencer components are arranged between the air inlet pipe and the air outlet pipe;

[0008] A connection mechanism is provided between the plurality of the muffler components;

[0009] The silencer assembly includes a mounting box, a sealing plate, a first partition plate and a second partition plate. A silencer cavity is provided in the mounting box. A plurality of the first partition plates and the second partition plates are provided and are staggered and fixed in the silencer cavity. An air inlet is provided near the top on one side of the mounting box, and an air outlet is provided near the bottom on the same side of the mounting box. A first air hole is provided at an end of the first partition plate away from the air inlet, and a second air hole is provided at an end of the second partition plate away from the first air hole. A mounting groove is provided on one side of the silencer cavity of the mounting box, the sealing plate is provided in the mounting groove, and the sealing plate and the mounting box are detachably connected by bolts.

[0010] Preferably, the connecting mechanism comprises a connecting hose, one end of which is connected to an air outlet in one of the silencer assemblies, and the other end of which is connected to an air inlet in an adjacent silencer assembly.

[0011] Preferably, the air inlet pipe is communicated with an air inlet on a mounting box in the first silencer assembly, and the air outlet pipe is communicated with an air outlet on a mounting box in the last silencer assembly.

[0012] Preferably, a connecting boss is provided at the top of the mounting box, a limiting groove cooperating with the connecting boss is provided at the bottom of the mounting box, a first through hole is provided on the connecting boss, a second through hole is provided at the limiting groove, and the first through hole and the second through hole are detachably connected by bolts.

[0013] Preferably, avoidance grooves are provided on both sides of the installation box, and third through holes are provided on both sides of the avoidance grooves, and the third through holes between two adjacent installation boxes are detachably connected by bolts.

[0014] Preferably, sound-absorbing cotton is bonded to the first partition plate and the second partition plate.

[0015] Preferably, a support seat is provided below the installation box, a support boss matched with the limiting groove is provided on the support seat, and a support groove matched with the connecting boss is also provided on the support seat.

[0016] Preferably, a sealing gasket is provided on one side of the sealing plate close to the mounting groove.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] (1) The utility model is provided with a silencer assembly, and a plurality of first baffles and second baffles are alternately arranged in the silencer assembly, so that the airflow passes through the first air holes on the first baffles and the second air holes on the second baffles in sequence, thereby extending the flow distance of the airflow and improving the silencer effect. In addition, sound-absorbing cotton is bonded to the first baffles and the second baffles to further improve the silencer effect.

[0019] (2) In the utility model, the air outlets and air inlets of several silencer components are connected by connecting hoses, and the arrangement directions of the multiple silencer components can be adjusted according to the space, thereby improving their versatility and making the same set of devices suitable for more working environments.

[0020] (3) The utility model is provided with a first through hole and a second through hole, and when a plurality of silencer components are arranged along the longitudinal direction, the plurality of silencer components can be fixed at this time, and a third through hole is also provided, and when a plurality of silencer components are arranged along the transverse direction, the plurality of silencer components can be fixed at this time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model arranged along the horizontal direction;

[0022] Figure 2 It is a schematic diagram of the overall structure of the utility model arranged along the longitudinal direction;

[0023] Figure 3 This is a schematic diagram of the structure of the silencer assembly of the utility model;

[0024] Figure 4 This is a structural schematic diagram of the utility model muffler assembly without the sealing plate;

[0025] Figure 5 This is a structural schematic diagram of the sealing plate of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the support seat of the utility model.

[0027] Description of main reference numerals:

[0028] 1. Inlet pipe; 2. Outlet pipe; 3. Silencer assembly; 4. Mounting box; 5. Closing plate; 6. First partition plate; 7. Second partition plate; 8. Silencer chamber; 9. Inlet port; 10. Outlet port; 11. First air hole; 12. Second air hole; 13. Mounting slot; 14. Connecting hose; 15. Connecting boss; 16. Limiting groove; 17. First through hole; 18. Second through hole; 19. Avoidance groove; 20. Third through hole; 21. Sound-absorbing cotton; 22. Support seat; 23. Support boss; 24. Support groove; 25. Sealing gasket. DETAILED DESCRIPTION

[0029] The following is a clear and complete description of the technical solution of the utility model patent. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example

[0031] See attached Figure 1-6A diesel generator set air intake silencer device comprises an air intake pipe 1 and an air outlet pipe 2, a plurality of silencer components 3 are arranged between the air intake pipe 1 and the air outlet pipe 2, a connecting mechanism is arranged between the plurality of silencer components 3, the silencer component 3 comprises a mounting box 4, a sealing plate 5, a first partition plate 6 and a second partition plate 7, a silencer cavity 8 is arranged in the mounting box 4, a plurality of first partition plates 6 and second partition plates 7 are arranged, and are staggered and fixedly arranged in the silencer cavity 8, an air inlet 9 is arranged near the top of one side of the mounting box 4, and an air outlet 10 is arranged near the bottom of the same side of the mounting box 4, a first air hole 11 is arranged at one end of the first partition plate 6 away from the air inlet 9, a second air hole 12 is arranged at one end of the second partition plate 7 away from the first air hole 11, a mounting groove 13 is arranged on one side of the silencer cavity 8 of the mounting box 4, the sealing plate 5 is arranged in the mounting groove 13, and the sealing plate 5 and the mounting box 4 are detachably connected by bolts. The connection mechanism includes a connection hose 14, one end of which is connected to the air outlet 10 in one of the silencer assemblies 3, and the other end of which is connected to the air inlet 9 in the adjacent silencer assembly 3. The air inlet pipe 1 is connected to the air inlet 9 on the mounting box 4 in the first silencer assembly 3, and the air outlet pipe 2 is connected to the air outlet 10 on the mounting box 4 in the last silencer assembly 3. Sound-absorbing cotton 21 is bonded to the first partition plate 6 and the second partition plate 7. A sealing gasket 25 is provided on the side of the sealing plate 5 close to the mounting groove 13.

[0032] In this embodiment, the first partition 6 and the second partition 7 are alternately fixed in the silencer cavity 8 in the installation box 4, and the sealing plate 5 is placed in the installation groove 13, and the sealing plate 5 and the installation box 4 are fixed by bolts, and the air outlet 10 in the first silencer component 3 and the air inlet 9 in the second silencer component 3 are connected by a connecting hose 14, and according to the above operation, the air outlet 10 in the second silencer component 3 and the air inlet 9 in the third silencer component 3 are connected by a connecting hose 14, and the connection and fixation between the several silencer components 3 are completed in sequence, and then the assembly method and installation position between the several silencer components 3 are adjusted according to the space conditions of the area to be installed.

[0033] In this embodiment, the specific implementation of the connection mechanism is as follows: a connection boss 15 is provided at the top of the installation box 4, a limiting groove 16 cooperating with the connection boss 15 is provided at the bottom of the installation box 4, a first through hole 17 is provided on the connection boss 15, a second through hole 18 is provided at the limiting groove 16, and the first through hole 17 and the second through hole 18 are detachably connected by bolts. Avoidance grooves 19 are provided on both sides of the installation box 4, and third through holes 20 are provided on both sides of the avoidance groove 19, and the third through holes 20 between two adjacent installation boxes 4 are detachably connected by bolts. A support seat 22 is provided below the installation box 4, a support boss 23 cooperating with the limiting groove 16 is provided on the support seat 22, and a support groove 24 cooperating with the connection boss 15 is also provided on the support seat 22.

[0034] More specifically, when the longitudinal space is larger, several silencer components 3 are arranged longitudinally, that is, the first silencer component 3 is placed above the second silencer component 3, and the limiting groove 16 on the first silencer component 3 cooperates with the connecting boss 15 on the second silencer component 3, and the bolt is passed through the first through hole 17 and the second through hole 18 and is threadedly connected and fixed with the nut to complete the connection and fixation between the first silencer component 3 and the second silencer component 3. In the same way, multiple silencer components 3 are arranged from top to bottom in sequence, and the limiting groove 16 on the bottom silencer component 3 cooperates with the supporting boss 23 on the supporting seat 22 to support the device through the supporting seat 22; when the lateral space is larger, several silencer components 3 are arranged longitudinally. Arrange horizontally, first remove the bolts between the second silencer component 3 and the first silencer component 3, then take out the connecting boss 15 of the second silencer component 3 from the limiting groove 16 of the first silencer component 3, then rotate the second silencer component 3 around its bottom so that the sealing plate 5 on the second silencer component 3 fits with the sealing plate 5 on the first silencer component 3, and at this time, the third through holes 20 on the first silencer component 3 and the second silencer component 3 are aligned, and the bolts are passed through the two third through holes 20 and connected and fixed with nuts, and multiple silencer components 3 are arranged horizontally and fixed in sequence, and the two adjacent limiting grooves 16 and the connecting boss 15 are respectively matched with the supporting boss 23 and the supporting groove 24 on the support seat 22 to support the device.

[0035] In summary, when in use, the first partition 6 and the second partition 7 are alternately fixed in the silencer cavity 8 in the installation box 4, and the sealing plate 5 is placed in the installation groove 13, and the sealing plate 5 and the installation box 4 are fixed by bolts, and the air outlet 10 in the first silencer component 3 and the air inlet 9 in the second silencer component 3 are connected through the connecting hose 14, and according to the above operation, the air outlet 10 in the second silencer component 3 and the air inlet 9 in the third silencer component 3 are connected through the connecting hose 14, and the connection and fixation between several silencer components 3 are completed in sequence, and then the assembly method and installation position between the several silencer components 3 are adjusted according to the space conditions of the area to be installed.

[0036] When the longitudinal space is large, several silencer components 3 are arranged longitudinally, that is, the first silencer component 3 is placed above the second silencer component 3, and the limiting groove 16 on the first silencer component 3 cooperates with the connecting boss 15 on the second silencer component 3, and the bolt is passed through the first through hole 17 and the second through hole 18 and is threadedly connected and fixed with the nut to complete the connection and fixation between the first silencer component 3 and the second silencer component 3. In the same way, multiple silencer components 3 are arranged from top to bottom in sequence, and the limiting groove 16 on the bottom silencer component 3 cooperates with the supporting boss 23 on the supporting seat 22 to support the device through the supporting seat 22; when the lateral space is large, several silencer components 3 are arranged lateral Arrangement, first remove the bolts between the second silencer component 3 and the first silencer component 3, then take out the connecting boss 15 of the second silencer component 3 from the limiting groove 16 of the first silencer component 3, then rotate the second silencer component 3 around its bottom so that the sealing plate 5 on the second silencer component 3 fits with the sealing plate 5 on the first silencer component 3, and at this time, the third through holes 20 on the first silencer component 3 and the second silencer component 3 are aligned, and the bolts are passed through the two third through holes 20 and connected and fixed with nuts, and multiple silencer components 3 are arranged and fixed horizontally in sequence, and the two adjacent limiting grooves 16 and the connecting boss 15 are respectively matched with the supporting boss 23 and the supporting groove 24 on the support seat 22 to support the device.

[0037] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A diesel generator set air inlet silencer, characterized in that: It includes an air inlet pipe and an air outlet pipe, wherein: A plurality of silencer components are arranged between the air inlet pipe and the air outlet pipe; A connection mechanism is provided between the plurality of the muffler components; The silencer assembly includes a mounting box, a sealing plate, a first partition plate and a second partition plate. A silencer cavity is provided in the mounting box. A plurality of the first partition plates and the second partition plates are provided and are staggered and fixedly arranged in the silencer cavity. An air inlet is provided near the top of one side of the mounting box, and an air outlet is provided near the bottom of the same side of the mounting box. A first air hole is provided at an end of the first partition plate away from the air inlet, and a second air hole is provided at an end of the second partition plate away from the first air hole. A mounting groove is provided on one side of the silencer cavity of the mounting box, the sealing plate is arranged in the mounting groove, and the sealing plate and the mounting box are detachably connected by bolts.

2. The diesel generator set air intake silencer device according to claim 1, characterized in that: The connecting mechanism comprises a connecting hose, one end of which is connected to an air outlet in one of the muffler assemblies, and the other end of which is connected to an air inlet in an adjacent muffler assembly.

3. The diesel generator set air intake silencer device according to claim 2, characterized in that: The air inlet pipe is communicated with the air inlet on the mounting box of the first muffler assembly, and the air outlet pipe is communicated with the air outlet on the mounting box of the last muffler assembly.

4. The diesel generator set air intake silencer device according to claim 2, characterized in that: A connecting boss is provided at the top of the installation box, a limiting groove matching the connecting boss is provided at the bottom of the installation box, a first through hole is provided on the connecting boss, a second through hole is provided at the limiting groove, and the first through hole and the second through hole are detachably connected by bolts.

5. The diesel generator set air intake silencer device according to claim 2, characterized in that: Both sides of the installation box are provided with avoidance grooves, and both sides of the avoidance grooves are provided with third through holes, and the third through holes between two adjacent installation boxes are detachably connected by bolts.

6. The diesel generator set air intake silencer device according to claim 1, characterized in that: The first partition plate and the second partition plate are both bonded with sound-absorbing cotton.

7. The diesel generator set air intake silencer device according to claim 4, characterized in that: A support seat is provided below the installation box, a support boss matched with the limiting groove is provided on the support seat, and a support groove matched with the connecting boss is also provided on the support seat.

8. The diesel generator set air intake silencer device according to claim 1, characterized in that: A sealing gasket is provided on one side of the sealing plate close to the mounting groove.