CN214533168U

CN214533168U - A silencer device for diesel generator and diesel generator

Info

Publication number: CN214533168U
Application number: CN202120823166.9U
Authority: CN
Inventors: 陈宗模; 黄德全
Original assignee: Chongqing Gecaiyuanfeng Technology Co ltd
Current assignee: Chongqing Gecaiyuanfeng Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-29
Anticipated expiration: 2031-04-21

Abstract

The utility model relates to the technical field of generator noise reduction, and specifically discloses a noise reduction device for a diesel generator, comprising a plurality of silencer cylinders, one end of each of the silencer cylinders is provided with a flue gas inlet end, and the other end is provided with an exhaust gas outlet At the flue gas end, each of the muffler cylinders is provided with multiple groups of muffler cavities separated by a first baffle, and each group of muffler cavities communicate with each other. The sound-absorbing inner cylinders are distributed layer by layer, and the two adjacent layers of sound-absorbing inner cylinders are separated by a predetermined distance to form a flue gas flow path. The flue gas through holes of the two layers of the muffler inner cylinder are far away from each other, and the flue gas discharged from the diesel generator enters from the smoke inlet end, and then enters each layer of the muffler inner cavity of each group in turn. The muffler inner cylinder, finally, is discharged from the exhaust gas end. The silencing device of the utility model can achieve better silencing effect.

Description

Diesel generator and silencer thereof

Technical Field

The utility model relates to a generator amortization technical field, concretely relates to diesel generator's silencing device and diesel generator.

Background

Diesel generators, particularly low power diesel generators, have become indispensable devices in daily life in specific environments (e.g., residential power generation, household power generation, truck air conditioning power generation, etc.). Because diesel generator's noise is great, need connect silencing device, but its silencing device who connects of current diesel generator, the silencing tube in its most silencing device is the individual layer design, this kind of structure often needs very long silencing tube just can reach good silencing effect, but too long silencing tube is unfavorable for and be not convenient for the installation because the place restriction, consequently, often all adopt the shorter silencing device of silencing tube, but its silencing effect of this kind of device is not good again, consequently, it is shorter to need a structure, the silencing device that its silencing effect is good comes the service to join in marriage in diesel generator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diesel generator's silencing device to solve its not good technical problem of noise reduction effect of current diesel generator's silencing device.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a diesel generator's silencing device, includes a plurality of amortization section of thick bamboo, each the one end of amortization section of thick bamboo all is equipped with into the flue gas end, and the other end all is equipped with the gas end of discharging fume, each all be equipped with by first baffle divided multiunit amortization inner chamber in the amortization section of thick bamboo, and communicate each other between every group amortization inner chamber, the amortization inner chamber that the multilayer distributes layer upon layer from the extroversion in all establishes in the amortization inner chamber, and a predetermined distance in interval forms the flue gas runner between the adjacent two-layer amortization inner chamber, every layer the amortization inner chamber all is equipped with a plurality of flue gas via hole, and adjacent two-layer the flue gas via hole of amortization inner chamber is kept away from each other, and the flue gas that diesel generator discharged follows the gas end of admitting gas gets into, then, gets into each group in proper order the amortization inner chamber, at last, follow the gas end of discharging fume is discharged.

Furthermore, a smoke inlet hole is formed between the first partition plates and is used for communicating the two adjacent groups of silencing inner cavities.

Furthermore, a second partition plate is arranged between every two adjacent silencing inner cavities, a plurality of flue gas circulation pipes are arranged on the second partition plate, and the flue gas circulation pipes are used for communicating the two adjacent silencing inner cavities.

Furthermore, the smoke inlet end is communicated with the innermost silencing inner cylinder of any one group of silencing inner cavities in the silencing cylinder, and the smoke exhaust end is communicated with the innermost silencing inner cylinder of the other group of silencing inner cavities in the silencing cylinder.

Further, the smoke inlet end is a smoke inlet pipe connected with the exhaust end of an external diesel generator, and the smoke exhaust end is a smoke exhaust pipe for exhausting smoke.

Furthermore, the number of layers of the silencing inner cylinder is 3-4.

Further, the number of the silencing tubes is 2.

Further, the number of the silencing inner cavities is 2 groups.

Further, the number of the smoke circulating pipes is 2.

The utility model also provides a diesel generator, this diesel generator installs foretell diesel generator's silencing device.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a fume end is connected simultaneously in the exhaust end of generator to a plurality of amortization section of thick bamboo of silencing device, multiunit amortization inner chamber in the amortization section of thick bamboo is in proper order to the flue gas, because the multilayer amortization inner tube of amortization inner chamber design, the flue gas that diesel generator discharged can be absorbed simultaneously to a plurality of amortization sections of thick bamboo, the flue gas is behind first set of amortization inner chamber, come another set of amortization inner chamber again and accomplish the making an uproar that falls of whole process, because the flue gas hole of crossing of adjacent two-layer amortization inner tube is kept away from each other, the flue gas releases through the flue gas runner one deck ground in proper order again, the propagation distance of flue gas has been increased, thereby the amortization route of whole device has been prolonged, thereby reach better noise cancelling effect.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic perspective view of the structure of FIG. 1;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic structural view of the present invention with the silencing pot removed;

FIG. 6 is a schematic view of another angular configuration of FIG. 5;

in the figure: the silencer comprises a silencing barrel 1, a first partition plate 2, a silencing inner cavity 3, a silencing inner barrel 4, a flue gas through hole 5, a flue gas inlet hole 6, a second partition plate 7, a flue gas flowing pipe 8, a flue gas inlet pipe 9 and a flue gas exhaust pipe 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the embodiment, please refer to fig. 1-6, the present invention discloses a silencer of a diesel generator, the silencer of the present embodiment is matched with a 20kw diesel generator, which comprises a plurality of silencing tubes 1, in the present embodiment, 2 silencing tubes are selected, one end of each silencing tube 1 is provided with a smoke inlet end, the other end is provided with a smoke outlet end, each silencing tube 1 is provided with a plurality of silencing inner chambers 3 separated by a first partition 2, in the present embodiment, 2 silencing inner chambers 3 are selected, and each group of silencing inner chambers 3 are communicated with each other, a plurality of silencing inner tubes 4 are disposed in each silencing inner chamber 3, the silencing inner tubes 4 are distributed layer by layer from outside to inside, a smoke flow channel is formed between two adjacent silencing inner tubes at a predetermined distance, in the present embodiment, the number of silencing inner tubes 4 is 3, each layer of silencing inner tube 4 is provided with a plurality of smoke through holes 5, but even annular distribution of flue gas via hole 5 multiunit is on amortization inner tube 4, and adjacent two-layer the flue gas via hole 5 of amortization inner tube 4 is kept away from each other, keep away from the finger each other, from outer to interior, can be that adjacent two-layer flue gas via hole 5 does not coincide each other, the certain horizontal distance in interval between, it is concrete, can be, the left end of this amortization inner tube 4 is located to the flue gas via hole 5 of first layer amortization inner tube 4, so, the right-hand member of this amortization inner tube 4 is located to the flue gas via hole 5 of second layer amortization inner tube 4, the left end of this amortization inner tube 4 is located to the flue gas via hole 5 of third layer amortization inner tube 4, analogize with this, prolong the propagation distance of flue gas at amortization inner tube 4, reach the better amortization effect of making an uproar that falls. The smoke discharged by the diesel generator enters from the smoke inlet end, then sequentially enters each layer of the silencing inner cylinder 4 in each group of the silencing inner cavities 3, and finally is discharged from the smoke discharge end.

In the embodiment, a flue gas inlet hole 6 is formed between the first partition plates 2, and the flue gas inlet hole 6 is used for communicating two adjacent groups of silencing inner cavities 3.

In this embodiment, a second partition plate 7 is arranged between two adjacent groups of the silencing inner cavities 3, the second partition plate 7 is provided with a plurality of flue gas circulation pipes 8, the number of the flue gas circulation pipes 8 is 2, and the flue gas circulation pipes 8 are used for communicating the two adjacent groups of the silencing inner cavities 3.

In the embodiment, the smoke inlet end is communicated with the innermost silencing inner cylinder 4 of one group of silencing inner cavities 3 in the silencing cylinder 1, and the smoke outlet end is communicated with the innermost silencing inner cylinder 4 of the other group of silencing inner cavities 3 in the silencing cylinder 1. Specifically, the smoke inlet end is a smoke inlet pipe 9 connected with the exhaust end of an external diesel generator, and the smoke exhaust end is a smoke exhaust pipe 10 for exhausting smoke. In this embodiment, the smoke inlet pipe 9 communicates with the innermost silencing inner cylinder 4 of one of the silencing inner cylinders 3 in the silencing barrel 1, smoke enters from the innermost silencing inner cylinder 4, is then discharged outside the outermost silencing inner cylinder 4 through the smoke flow channel layer by layer in sequence, and then flows into the other silencing inner cylinder 3, at this time, smoke enters from the outermost silencing inner cylinder 4 of the silencing inner cylinders 3, is then discharged inside the innermost silencing inner cylinder 4 through the smoke flow channel layer by layer, and is finally discharged through the smoke exhaust pipe 10. In other embodiments, the flue gas inlet pipe 9 may be an outermost silencing inner cylinder 4 communicated with one set of silencing inner cylinders 3 in the silencing cylinder 1, and the flue gas may enter from the outermost silencing inner cylinder 4, then sequentially pass through a flue gas flow channel to be discharged inwards into the innermost silencing inner cylinder 4, and then flow into the other set of silencing inner cylinders 3, at this time, the flue gas may enter from the other set of outermost silencing inner cylinders 4 or the innermost silencing inner cylinder 4, as long as the flue gas is discharged from the silencing inner cylinder 4 layer by layer, so as to achieve the purpose of silencing and reducing noise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

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 silencing device of diesel generator which characterized in that: the silencer comprises a plurality of silencing barrels (1), wherein one end of each silencing barrel (1) is provided with a smoke inlet end, the other end of each silencing barrel is provided with a smoke exhaust end, a plurality of groups of silencing inner cavities (3) separated by first partition plates (2) are arranged in each silencing barrel (1), each group of silencing inner cavities (3) are communicated with each other, a plurality of silencing inner cylinders (4) distributed layer by layer from outside to inside are arranged in each silencing inner cavity (3), a smoke flow channel is formed between every two adjacent silencing inner cylinders at a preset interval, each layer of silencing inner cylinder (4) is provided with a plurality of smoke through holes (5), the smoke through holes (5) of each two adjacent layers of silencing inner cylinders (4) are far away from each other, smoke discharged by a diesel generator enters from the smoke inlet end and then sequentially enters each layer of silencing inner cylinder (4) in each group of silencing inner cavities (3), and finally, discharging from the smoke discharging end.

2. The silencer device for a diesel generator according to claim 1, wherein: be equipped with flue gas inlet hole (6) between first baffle (2), flue gas inlet hole (6) are used for communicateing two sets of adjacent amortization inner chambers (3).

3. The silencer device for a diesel generator according to claim 2, wherein: and a second partition plate (7) is arranged between the two adjacent groups of silencing inner cavities (3), a plurality of flue gas circulating pipes (8) are arranged on the second partition plate (7), and the flue gas circulating pipes (8) are used for communicating the two adjacent groups of silencing inner cavities (3).

4. The silencer device for a diesel generator according to claim 1, wherein: the smoke inlet end is communicated with the innermost silencing inner cylinder (4) of any one group of silencing inner cavities (3) in the silencing cylinder (1), and the smoke outlet end is communicated with the innermost silencing inner cylinder (4) of the other group of silencing inner cavities (3) in the silencing cylinder (1).

5. The silencer device for a diesel generator according to claim 4, wherein: the smoke inlet end is a smoke inlet pipe (9) connected with the exhaust end of an external diesel generator, and the smoke exhaust end is a smoke exhaust pipe (10) for exhausting smoke.

6. The silencer of a diesel generator according to any one of claims 1 to 5, characterized in that: the number of layers of the silencing inner cylinder (4) is 3-4.

7. The silencer of a diesel generator according to any one of claims 1 to 5, characterized in that: the number of the silencing tubes (1) is 2.

8. The silencer of a diesel generator according to any one of claims 1 to 5, characterized in that: the number of the silencing inner cavities (3) is 2 groups.

9. The silencer assembly according to claim 3, wherein: the number of the smoke circulating pipes (8) is 2.

10. A diesel generator characterized by: the diesel generator is provided with the silencer for discharging smoke of the diesel generator as claimed in any one of claims 1 to 5.