CN217926027U - Generator silencer - Google Patents

Abstract

The utility model discloses a generator silencer, which comprises a shell, wherein the inner cavity of the shell is divided into three chambers by a left clapboard and a right clapboard, namely a first chamber positioned on the left side, a second chamber positioned in the middle and a third chamber positioned on the right side; a first silencing pipe is arranged in the third chamber, the first silencing pipe is communicated with an air inlet pipe arranged on the shell, and the air inlet pipe is used for being connected with an exhaust pipe of the generator; a second silencing pipe is erected on the two partition plates and communicated with the second chamber and the third chamber; a hollow pipe is arranged on the left partition plate and is communicated with the first chamber and the second chamber; the first silencing pipe and the second silencing pipe are provided with silencing parts, and the silencing part of the second silencing pipe is positioned in the second chamber. The utility model provides a generator silencer, its simple structure, reasonable in design have the characteristics that the noise cancelling effect is good.

Description

Generator silencer

Technical Field

The utility model relates to a muffler equipment, concretely relates to generator silencer.

Background

At present, the silencing effect of a silencer of a generator set on the market is poor, so that the noise of the generator is large, the noise is large, great noise pollution is generated in the using process, great damage is caused to the working and learning environment of people, and the working and learning efficiency of people is influenced.

In order to work and learn in a relatively quiet environment when people use the generator, the elimination of noise pollution of the generator is a technical problem which is urgently needed to be solved by researchers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a generator silencer.

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

a generator silencer comprises a shell, wherein end covers are respectively arranged at the left end and the right end of the shell, and an exhaust pipe communicated with an inner cavity of the shell is arranged on the left end cover; the inner cavity of the shell is divided into three chambers by arranging a left partition plate and a right partition plate in the shell, wherein the three chambers are a first chamber positioned on the left side, a second chamber positioned in the middle and a third chamber positioned on the right side respectively; a first silencing pipe is arranged in the third chamber, the first silencing pipe is communicated with an air inlet pipe arranged on the shell, and the air inlet pipe is used for being connected with an exhaust pipe of the generator; a second silencing pipe is erected on the two partition plates and communicated with the second chamber and the third chamber; an empty pipe is arranged on the partition plate on the left side and is communicated with the first cavity and the second cavity; the first silencing pipe and the second silencing pipe are provided with silencing parts, and the silencing part of the second silencing pipe is positioned in the second chamber.

As the utility model discloses an optimal setting, the amortization portion is for following a plurality of amortization holes that first amortization pipe, second amortization pipe axial were evenly densely covered and are encircled to establish on the pipe wall separately.

As the preferred arrangement of the utility model, the aperture of the silencing hole is 2-4 mm.

As the utility model discloses an optimal setting, the inner wall of second cavity, third cavity has covered noise damping layer and perforated plate in proper order in the casing.

As the preferred arrangement of the utility model, the sound-deadening layer is made of the glass fiber sound-deadening cotton with the thickness of at least 10 mm.

As the preferred arrangement of the present invention, the thickness of the porous plate is at least 1mm.

As the preferred arrangement of the utility model, the shell is made of a metal titanium plate.

The utility model discloses possess following beneficial effect:

the utility model provides a silencer for generator, its simple structure, reasonable in design have the characteristics that the noise reduction effect is good, through setting up this silencer in generator blast pipe department, avoid the generator to produce the waste gas when operation to send out irregularly along its blast pipe, can effectively reduce the vibrations and the noise that the generator operation its discharged waste gas brought, have stronger anti mechanical shock performance and noise reduction effect, can effectively reduce environmental noise pollution; meanwhile, the silencer can eliminate sparks in the silencer cavity, so that the flame-retardant effect is achieved; to sum up, the utility model discloses can help the complete machine noise reduction, it is simultaneously fire-retardant, anti-seismic performance good, effectively improve the quality of complete machine.

Drawings

Fig. 1 is a schematic diagram of the structure of the generator muffler of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a silencer of a generator includes a housing 1, wherein end covers 2 are respectively installed at the left and right ends of the housing 1, and an exhaust pipe 3 communicated with an inner cavity of the housing 1 is arranged on the left end cover 2; the inner cavity of the shell 1 is divided into three chambers by arranging a left partition plate and a right partition plate 4, namely a first chamber 5 positioned on the left side, a second chamber 6 positioned in the middle and a third chamber 7 positioned on the right side; a first silencing pipe 8 is arranged in the third chamber 7, the first silencing pipe 8 is communicated with an air inlet pipe 9 arranged on the shell 1, and the air inlet pipe 9 is used for connecting an exhaust pipe of the generator; a second silencing pipe 10 is erected on the two partition plates 4, and the second silencing pipe 10 is communicated with the second chamber 6 and the third chamber 7; a hollow pipe 11 is arranged on the left side of the partition plate 4, and the hollow pipe 11 is communicated with the first chamber 5 and the second chamber 6; the first silencing pipe 8 and the second silencing pipe 10 are provided with silencing parts, and the silencing part of the second silencing pipe 10 is positioned in the second chamber 6.

As the preferred setting of the embodiment of the present invention, the silencing part is an edge of the first silencing pipe 8 and the second silencing pipe 10 which are axially and uniformly distributed and annularly arranged on the respective silencing holes 12 on the pipe wall.

Furthermore, the aperture of the sound deadening hole 12 is 2-4 mm.

As a preferred arrangement of the embodiment of the present invention, the inner walls of the second chamber 6 and the third chamber 7 in the casing 1 are sequentially covered with the sound attenuation layer 13 and the porous plate 14. The sound-deadening layer 13 and the perforated plate 14 further enhance the sound-deadening effect.

Further, the sound-deadening layer 13 is made of glass fiber sound-deadening cotton having a thickness of at least 10 mm.

Further, the perforated plate 14 has a thickness of at least 1mm.

As the preferred setting of the embodiment of the utility model, the shell 1 is made of a metal titanium plate. Thus, the overall weight of the muffler can be reduced.

During operation, waste gas discharged when the generator operates enters the first silencing pipe 8 from the air inlet pipe 9, enters the third chamber 7 under the blocking and filtering of the silencing hole 12 on the first silencing pipe 8, enters the second silencing pipe 10, is filled into the second chamber 6 after the blocking and filtering of the silencing hole 12 on the second silencing pipe 10, and is analogized until the waste gas is discharged from the exhaust pipe 3, so that all silencing and filtering operations are completed. The high-temperature and high-pressure flue gas discharged by the generator passes through the secondary blocking and filtering of the first silencing pipe 8 and the second silencing pipe 10, so that the exhaust noise is greatly reduced. In addition, the silencing pipes are fixed with the partition plate, looseness caused by exhaust vibration is avoided, and the silencing pipe has better mechanical vibration resistance.

The utility model provides a silencer for generator, its simple structure, reasonable in design have the characteristics that the noise cancelling effect is good, through setting up this silencer in generator blast pipe department, avoid the waste gas that produces when the generator operation sends at random along its blast pipe, can effectively reduce vibrations and noise that the generator operation brought by its exhaust gas of discharging, have stronger anti mechanical shock performance and noise cancelling effect, can effectively reduce environmental noise pollution; meanwhile, the silencer can eliminate sparks in the silencer cavity, so that the flame-retardant effect is achieved; to sum up, the utility model discloses can help the complete machine noise reduction, it is simultaneously fire-retardant, anti-seismic performance good, effectively improve the quality of complete machine.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims (7)

1. A generator silencer is characterized by comprising a shell, wherein end covers are respectively arranged at the left end and the right end of the shell, and an exhaust pipe communicated with an inner cavity of the shell is arranged on the left end cover; the inner cavity of the shell is divided into three chambers by arranging a left partition plate and a right partition plate in the shell, wherein the three chambers are a first chamber positioned on the left side, a second chamber positioned in the middle and a third chamber positioned on the right side respectively; a first silencing pipe is arranged in the third chamber, the first silencing pipe is communicated with an air inlet pipe arranged on the shell, and the air inlet pipe is used for being connected with an exhaust pipe of the generator; a second silencing pipe is erected on the two partition plates and communicated with the second chamber and the third chamber; an empty pipe is arranged on the partition plate on the left side and is communicated with the first cavity and the second cavity; the first silencing pipe and the second silencing pipe are provided with silencing parts, and the silencing part of the second silencing pipe is positioned in the second chamber.

2. The generator muffler of claim 1, wherein the muffling portion is a plurality of muffling holes that are uniformly and annularly arranged on the wall of the first muffling pipe and the second muffling pipe in an axially distributed manner.

3. The generator muffler of claim 2, wherein the aperture of the muffling hole is 2-4 mm.

4. The generator muffler of claim 1, wherein the inner walls of the second and third chambers in the housing are sequentially covered with a sound-deadening layer and a porous plate.

5. The generator muffler of claim 4, wherein the sound-damping layer is made of fiberglass sound-damping cotton having a thickness of at least 10 mm.

6. The generator muffler of claim 4, wherein the perforated plate has a thickness of at least 1mm.

7. The generator muffler of claim 1, wherein the housing is fabricated from a metallic titanium plate.

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