A circular muffler structure for a diesel and gas generator set

Abstract

The present invention discloses a circular silencer structure for a diesel and gas generator set, comprising: a silencer housing, sound-absorbing cotton, and a sound-absorbing perforated plate. Among them, an accommodation space is formed inside the silencer housing, and an air inlet and an air outlet are provided on the silencer housing; the sound-absorbing cotton is in a disk shape and is filled in the accommodation space, and the sound-absorbing cotton is arranged between the air inlet and the air outlet, and a plurality of sound-absorbing cottons are stacked to form a columnar structure; a plurality of sound-absorbing perforated plates are in a hollow columnar structure, one end of the sound-absorbing perforated plate is connected to the air inlet, the other end of the sound-absorbing perforated plate is connected to the air outlet, and the sound-absorbing cotton wraps the middle part of the sound-absorbing perforated plate. The silencing channel of the present invention has three layers, increasing the silencing channel to reduce noise, saving space, reducing costs, and improving the silencing quality.

Description

Technical Field

[0001] The present invention relates to the technical field of circular mufflers for generator sets, and particularly to a circular muffler structure for diesel and gas generator sets. Background Art

[0002] With the improvement of living standards, people's dependence on electricity is increasing. More and more individuals or enterprises purchase generators as backup power sources. However, when the generator is working, the noise radiation is relatively strong, causing serious noise pollution, interfering with people's normal life and work, and affecting physical and mental health. Therefore, controlling the exhaust noise of the generator is the key to reducing the generator noise. However, the existing muffler channels of the generator mufflers are all single-layer, wasting space and having poor muffling effect. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a circular muffler structure for diesel and gas generator sets.

[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] A circular muffler structure for diesel and gas generator sets, which includes:

[0006] A muffler housing, an accommodation space is formed inside the muffler housing, and an air inlet and an air outlet are provided on the muffler housing;

[0007] Sound-absorbing cotton, the sound-absorbing cotton is in a disk shape, the sound-absorbing cotton is filled in the accommodation space, the sound-absorbing cotton is arranged between the air inlet and the air outlet, and a plurality of the sound-absorbing cotton are stacked to form a columnar structure;

[0008] Sound-absorbing mesh plates, a plurality of the sound-absorbing mesh plates are in a hollow columnar structure, one end of the sound-absorbing mesh plate is connected to the air inlet, the other end of the sound-absorbing mesh plate is connected to the air outlet, and the sound-absorbing cotton wraps the middle part of the sound-absorbing mesh plate.

[0009] In the above circular muffler structure for diesel and gas generator sets, the air inlet and the air outlet are respectively arranged at both ends of the muffler housing.

[0010] In the above circular muffler structure for diesel and gas generator sets, the number of the sound-absorbing mesh plates is 3n, n is a natural number not less than 1, and every three sound-absorbing mesh plates form a sound-absorbing unit.

[0011] In the above circular muffler structure for diesel and gas generator sets, each sound-absorbing unit includes a first sound-absorbing mesh plate, a second sound-absorbing mesh plate and a third sound-absorbing mesh plate;

[0012] Each of the silencing units further includes:

[0013] A first elbow, wherein the first elbow connects one end of the first silencing mesh plate and one end of the second silencing mesh plate;

[0014] A second elbow, wherein the second elbow connects the other end of the second silencing mesh plate and one end of the third silencing mesh plate;

[0015] In each of the silencing units, the first silencing mesh plate, the second silencing mesh plate and the third silencing mesh plate are connected end to end in sequence through the first elbow and the second elbow to form a combined silencing channel. One end of the combined silencing channel is connected to the air inlet, and the other end of the combined silencing channel is connected to the air outlet;

[0016] The first silencing mesh plate, the second silencing mesh plate and the third silencing mesh plate are all the silencing mesh plates.

[0017] The above-mentioned circular muffler structure for diesel and gas generator sets further includes:

[0018] Lifting lugs, and a plurality of the lifting lugs are connected to the side surface of the muffler housing.

[0019] The above-mentioned circular muffler structure for diesel and gas generator sets further includes:

[0020] Support feet, the support feet are connected to the bottom of the muffler housing, and the support feet support the muffler housing.

[0021] The above-mentioned circular muffler structure for diesel and gas generator sets further includes:

[0022] A flange, and the flange is installed on the air inlet.

[0023] For the above-mentioned circular muffler structure of diesel and gas generator sets, the muffler housing includes a muffler side wall in a covering shape and a sealing plate connected to the muffler side wall. The muffler side and the sealing plate enclose the accommodation space. The lifting lugs and the support feet are both connected to the muffler side wall. The air inlet is arranged on the muffler side wall, and the air inlet is connected to an external generator. The air outlet is arranged on the sealing plate.

[0024] The above-mentioned circular silencer structure for diesel and gas generator sets, wherein there is a first space between the sealing plate and the sound-absorbing cotton, and a second space between the bottom of the side wall of the silencer and the sound-absorbing cotton. The first elbow is arranged in one of the first space or the second space, and the second elbow is arranged in the other of the first space and the second space; the sound-absorbing cotton is provided with a first drainage hole, and the bottom of the side wall of the silencer is provided with a second drainage hole.

[0025] The above-mentioned circular silencer structure for diesel and gas generator sets, further comprising: a first air guide plate and a second air guide plate. The first air guide plate is arranged in the first space and points from the combined sound-absorbing channel to the air outlet; the second air guide plate is arranged in the second space and points from the combined sound-absorbing channel to the air inlet.

[0026] Due to the adoption of the above technology, the positive effects of the present invention compared with the prior art are as follows:

[0027] (1) The silencing channel of the present invention has three layers, adding a silencing channel to reduce noise, save space, reduce costs, and improve the silencing quality. Description of the Drawings

[0028] Figure 1 is a schematic diagram of the external structure of the circular silencer structure for diesel and gas generator sets of the present invention.

[0029] Figure 2 is a schematic diagram of the interior of the circular silencer structure for diesel and gas generator sets of the present invention.

[0030] Figure 3 is a schematic diagram of the sound-absorbing mesh plate of the circular silencer structure for diesel and gas generator sets of the present invention.

[0031] In the drawings: 1, silencer housing; 2, sealing plate; 3, air outlet; 4, flange; 5, first elbow; 6, sound-absorbing cotton; 7, sound-absorbing mesh plate; 8, lifting lug; 9, support foot; 10, air guide plate; 11, first drainage hole; 12, second drainage hole; 13, first space; 14, second space. Detailed Embodiments

[0032] The present invention will be further described below in conjunction with the drawings and specific embodiments, but it is not intended to limit the present invention. Figure 1 is a schematic diagram of the external structure of the circular silencer structure for diesel and gas generator sets of the present invention; Figure 2 is a schematic diagram of the interior of the circular silencer structure for diesel and gas generator sets of the present invention; Figure 3 is a schematic diagram of the sound-absorbing mesh plate of the circular silencer structure for diesel and gas generator sets of the present invention, see Figures 1 to 3As shown, a circular muffler structure for a diesel and gas generator set of a preferred embodiment is shown, including: a muffler housing 1, sound-absorbing cotton 6, and a sound-absorbing perforated plate 7. Among them, an accommodation space is formed inside the muffler housing 1, and an air inlet and an air outlet 3 are provided on the muffler housing 1; the sound-absorbing cotton 6 is in a disk shape, and the sound-absorbing cotton 6 is filled in the accommodation space. The sound-absorbing cotton 6 is arranged between the air inlet and the air outlet 3, and a plurality of sound-absorbing cotton 6 are stacked to form a columnar structure; a plurality of sound-absorbing perforated plates 7 are in a hollow columnar structure. One end of the sound-absorbing perforated plate 7 is connected to the air inlet, and the other end of the sound-absorbing perforated plate 7 is connected to the air outlet 3, and the sound-absorbing cotton 6 wraps the middle part of the sound-absorbing perforated plate 7.

[0033] In a preferred embodiment, the air inlet and the air outlet 3 are respectively arranged at both ends of the muffler housing 1.

[0034] In a preferred embodiment, the number of the sound-absorbing perforated plates 7 is 3n, where n is a natural number not less than 1, and every three sound-absorbing perforated plates 7 form a sound-absorbing unit.

[0035] In a preferred embodiment, each sound-absorbing unit includes a first sound-absorbing perforated plate, a second sound-absorbing perforated plate, and a third sound-absorbing perforated plate;

[0036] Each sound-absorbing unit further includes:

[0037] A first elbow 5, and the first elbow 5 connects one end of the first sound-absorbing perforated plate and one end of the second sound-absorbing perforated plate;

[0038] A second elbow, and the second elbow connects the other end of the second sound-absorbing perforated plate and one end of the third sound-absorbing perforated plate;

[0039] In each sound-absorbing unit, the first sound-absorbing perforated plate, the second sound-absorbing perforated plate, and the third sound-absorbing perforated plate are connected end to end in sequence through the first elbow and the second elbow to form a combined sound-absorbing channel. One end of the combined sound-absorbing channel is connected to the air inlet, and the other end of the combined sound-absorbing channel is connected to the air outlet 3;

[0040] The first sound-absorbing perforated plate, the second sound-absorbing perforated plate, and the third sound-absorbing perforated plate are all the sound-absorbing perforated plates 7.

[0041] In a preferred embodiment, it further includes:

[0042] Lifting lugs 8, and a plurality of lifting lugs 8 are connected to the side surface of the muffler housing 1.

[0043] The above is only a preferred embodiment of the present invention, and does not limit the implementation manners and protection scope of the present invention accordingly.

[0044] The present invention further has the following implementation manners on the above basis:

[0045] In a further embodiment of the present invention, it further includes:

[0046] Support feet 9 are connected to the bottom of the muffler housing 1 and support the muffler housing 1.

[0047] In a further embodiment of the present invention, it further includes:

[0048] A flange 4 is installed on the air inlet.

[0049] In a further embodiment of the present invention, the muffler housing 1 includes: a muffler side wall in a lid-like shape and a sealing plate 2 connected to the muffler side wall. The muffler side and the sealing plate 2 enclose a containing space. The lifting lugs 8 and the support feet 9 are both connected to the muffler side wall. The air inlet is provided on the muffler side wall and is connected to an external generator, and the air outlet 3 is provided on the sealing plate 2.

[0050] In a further embodiment of the present invention, there is a first space 13 between the sealing plate 2 and the sound-absorbing cotton 6, and a second space 14 between the bottom of the muffler side wall and the sound-absorbing cotton 6. The first elbow 5 is arranged in one of the first space 13 or the second space 14, and the second elbow is arranged in the other of the first space 13 or the second space 14; the sound-absorbing cotton 6 is provided with a first drain hole 11, and the bottom of the muffler side wall is provided with a second drain hole 12.

[0051] In a further embodiment of the present invention, it further includes: a first air guide plate 10 and a second air guide plate 10. The first air guide plate 10 is arranged in the first space 13 and points from the combined sound-absorbing channel to the air outlet; the second air guide plate 10 is arranged in the second space 14 and points from the combined sound-absorbing channel to the air inlet.

[0052] As Figure 3 shown, the first air guide plate 10 is provided to make the air flow along the first air guide plate 10 from the combined sound-absorbing channel to the air outlet; the second air guide plate 10 is provided to make the air flow along the second air guide plate 10 from the combined sound-absorbing channel to the air inlet.

[0053] In a preferred embodiment, a sound-absorbing channel is formed from the air inlet through the second space 14, the combined sound-absorbing channel, the first space 13 and finally to the air outlet 3.

[0054] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that all equivalent replacements and obvious changes made by using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A circular muffler structure for a diesel and gas generator set, characterized in that, Comprising: A silencer housing, an accommodation space is formed inside the silencer housing, and an air inlet and an air outlet are provided on the silencer housing; Sound-absorbing cotton, the sound-absorbing cotton is in a disk shape, the sound-absorbing cotton is filled in the accommodation space, the sound-absorbing cotton is arranged between the air inlet and the air outlet, and a plurality of the sound-absorbing cotton are stacked to form a columnar structure; Sound-absorbing mesh plates, a plurality of the sound-absorbing mesh plates are in a hollow columnar structure, one end of the sound-absorbing mesh plate is connected to the air inlet, the other end of the sound-absorbing mesh plate is connected to the air outlet, and the sound-absorbing cotton wraps the middle of the sound-absorbing mesh plate; The air inlet and the air outlet are respectively arranged at two ends of the silencer housing; The number of the sound-absorbing mesh plates is 3n, where n is a natural number not less than 1, and every three of the sound-absorbing mesh plates form a sound-absorbing unit; Each of the sound-absorbing units includes a first sound-absorbing mesh plate, a second sound-absorbing mesh plate and a third sound-absorbing mesh plate; Each of the sound-absorbing units further includes: A first elbow, the first elbow connects one end of the first sound-absorbing mesh plate and one end of the second sound-absorbing mesh plate; A second elbow, the second elbow connects the other end of the second sound-absorbing mesh plate and one end of the third sound-absorbing mesh plate; In each of the sound-absorbing units, the first sound-absorbing mesh plate, the second sound-absorbing mesh plate and the third sound-absorbing mesh plate are connected end to end in sequence through the first elbow and the second elbow to form a combined sound-absorbing channel, one end of the combined sound-absorbing channel is connected to the air inlet, and the other end of the combined sound-absorbing channel is connected to the air outlet; The first sound-absorbing mesh plate, the second sound-absorbing mesh plate and the third sound-absorbing mesh plate are all the sound-absorbing mesh plates.

2. The circular muffler structure of the diesel and gas generator set according to claim 1, characterized in that, Further comprising: Lifting lugs, a plurality of the lifting lugs are connected to the side surface of the silencer housing.

3. The circular muffler structure of the diesel and gas generating unit according to claim 2, wherein Further comprising: Support feet, the support feet are connected to the bottom of the silencer housing, and the support feet support the silencer housing.

4. The circular muffler structure of the diesel and gas generator set according to claim 1, characterized in that, Further comprising: A flange, the flange is installed on the air inlet.

5. The circular muffler structure of the diesel and gas generator set according to claim 3, characterized in that, The silencer housing includes a silencer side wall in a cover shape and a sealing plate connected to the silencer side wall, the silencer side and the sealing plate enclose the accommodation space, the lifting lugs and the support feet are both connected to the silencer side wall, the air inlet is arranged on the silencer side wall, the air inlet is connected to an external generator, and the air outlet is arranged on the sealing plate.

6. The circular muffler structure of the diesel and gas generating set according to claim 5, characterized in that There is a first space between the sealing plate and the sound-absorbing cotton, and a second space between the bottom of the silencer side wall and the sound-absorbing cotton. The first elbow is arranged in one of the first space or the second space, and the second elbow is arranged in the other of the first space and the second space; a first drain hole is opened on the sound-absorbing cotton, and a second drain hole is opened on the bottom of the silencer side wall.

7. According to the circular muffler structure of the diesel and gas generating unit described in claim 6, it is characterized in that, Further comprising: A first air guiding plate and a second air guiding plate, the first air guiding plate is arranged in the first space, and the first air guiding plate points from the combined sound-absorbing channel to the air outlet; the second air guiding plate is arranged in the second space, and the second air guiding plate points from the combined sound-absorbing channel to the air inlet.

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