CN212054857U - Exhaust silencing structure of internal combustion engine for power generation - Google Patents
Exhaust silencing structure of internal combustion engine for power generation Download PDFInfo
- Publication number
- CN212054857U CN212054857U CN202022215811.7U CN202022215811U CN212054857U CN 212054857 U CN212054857 U CN 212054857U CN 202022215811 U CN202022215811 U CN 202022215811U CN 212054857 U CN212054857 U CN 212054857U
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- Prior art keywords
- silencing
- exhaust
- barrel
- pipe
- combustion engine
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Abstract
The utility model provides an exhaust silencing structure of an internal combustion engine for power generation, which comprises a silencing barrel and a connecting pipe, wherein the silencing barrel is provided with an exhaust pipe and a connecting port, the connecting port is connected with the connecting pipe, and the exhaust pipe is arranged along the vertical direction; a plurality of non-closed silencing partition plates are arranged in the silencing barrel, S-shaped flow channels are formed in the silencing barrel through the silencing partition plates arranged at intervals up and down, the flow rate of waste gas in the silencing barrel is reduced, noise suppression is further achieved, and the flow speed of the waste gas is reduced through the flow limiting bulges arranged at the connecting openings, so that the silencing performance is further improved.
Description
Technical Field
The utility model relates to an internal-combustion engine exhaust amortization technical field especially relates to an exhaust amortization structure of internal-combustion engine for electricity generation.
Background
Exhaust gas is discharged from the exhaust pipe during operation of the internal combustion engine, and the sound is loud because the high temperature and high velocity air flow expands rapidly as it rushes out of the exhaust pipe, slapping against the outside air and producing a sound. The noise can be reduced by installing a silencer in the exhaust duct, and the basic principle is to reduce the flow velocity of the exhaust gas to reduce the sound of the exhaust gas. However, in order to reduce the flow speed of the exhaust gas, most of the existing silencer structures are provided with complex structures, such as an automobile exhaust pipe disclosed in patent CN210948861U, an air compressor exhaust silencer disclosed in CN210509512U, etc., the internal structures of the silencer structures are complex, the wind resistance for the flow of the exhaust gas is increased, and then the temperature of the silencer body is high, which is not beneficial to heat dissipation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an exhaust amortization structure of internal-combustion engine for electricity generation, it includes: a silencing barrel and a connecting pipe;
the silencing barrel is provided with an exhaust pipe and a connecting port, the connecting port is connected with the connecting pipe, and the exhaust pipe is arranged along the vertical direction;
a plurality of non-closed silencing partition plates are arranged in the silencing barrel, wherein the plurality of silencing partition plates are arranged at the top and the bottom of the silencing barrel at intervals along the axial direction of the silencing barrel, and the silencing partition plate arranged at the bottom of the silencing barrel is positioned between two adjacent silencing partition plates arranged at the top of the silencing barrel;
the silencing partition plate is provided with a plurality of flow holes, and the flow holes are arranged on the silencing partition plate along the vertical direction;
a purification filter screen is arranged in the connecting port, a stepped groove is arranged in the connecting port, and the purification filter screen is abutted against the stepped groove and abutted against the end part of the connecting pipe;
the connector is internally provided with a current-limiting bulge, the current-limiting bulge protrudes along the axial direction of the connector, and the current-limiting bulge is arc-shaped.
Further, the connecting pipe is a bent pipe.
Further, the aperture size of the flow hole ranges from 3mm to 5 mm.
Furthermore, connecting lugs are respectively arranged on the connecting pipe and the connecting port.
Compared with the prior art, the utility model provides an exhaust amortization structure of internal-combustion engine for electricity generation, its beneficial effect lies in: an S-shaped flow channel is formed in the silencing barrel through the silencing partition plates arranged at intervals up and down, the flow rate of waste gas in the silencing barrel is reduced, noise suppression is further achieved, and the flow speed of the waste gas is reduced through the flow limiting protrusions arranged at the connecting openings, so that the silencing performance is further improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides an exhaust silencing structure of an internal combustion engine for power generation, comprising: a silencing pot 10 and a connecting pipe 20.
The silencing pot 10 is provided with an exhaust pipe 11 and a connecting port 12, the connecting port 12 is connected with a connecting pipe 20, the exhaust pipe 11 is arranged along the vertical direction, and the connecting pipe 20 is a bent pipe. The connection lugs 21 are respectively arranged on the connection pipe 20 and the connection port 12.
A plurality of non-closed silencing partition plates 30 are arranged in the silencing barrel 10, wherein the plurality of silencing partition plates 30 are arranged at the top and the bottom of the silencing barrel 10 at intervals along the axial direction of the silencing barrel 10, and the silencing partition plate 30 arranged at the bottom of the silencing barrel 10 is positioned between two adjacent silencing partition plates 30 arranged at the top of the silencing barrel 10.
The silencing partition plate 30 is provided with a plurality of flow holes 31, the flow holes 31 are arranged on the silencing partition plate 30 along the vertical direction, and specifically, the aperture size of the flow holes 31 ranges from 3mm to 5 mm.
The silencing partition plates 30 arranged at intervals up and down enable continuous S-shaped flow channels to be formed in the silencing barrel 10, most of waste gas passes through the S-shaped flow channels, and a small amount of waste gas passes through the flow holes 31 in the silencing partition plates 30, so that the flow rate of the waste gas in the silencing barrel 10 is reduced, noise suppression is further realized, and the waste gas cannot accumulate in the silencing barrel 10 for too long time, so that the temperature of the silencing barrel 10 is overhigh.
The purification filter screen 40 is arranged in the connecting port 12, the stepped groove is arranged in the connecting port 12, the purification filter screen 40 is abutted against the stepped groove and abutted against the end part of the connecting pipe 20, the purification filter screen 40 can purify waste gas and limit the flow velocity of the waste gas, and exhaust noise is reduced.
The connecting port 12 is provided with a flow limiting protrusion 121, the flow limiting protrusion 121 protrudes in the axial direction of the connecting port 12, and the flow limiting protrusion 121 is arc-shaped, so that the diameter of the joint of the connecting port 12 and the connecting pipe 20 is smaller than the diameter of the inside of the connecting port 12. According to the bernoulli principle, when the exhaust gas enters the connection port 12 from the connection pipe 20, the flow velocity is reduced, thereby further improving the sound deadening performance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. An exhaust silencing structure of an internal combustion engine for power generation, characterized by comprising: a silencing barrel and a connecting pipe;
the silencing barrel is provided with an exhaust pipe and a connecting port, the connecting port is connected with the connecting pipe, and the exhaust pipe is arranged along the vertical direction;
a plurality of non-closed silencing partition plates are arranged in the silencing barrel, the plurality of silencing partition plates are arranged at the top and the bottom of the silencing barrel at intervals along the axial direction of the silencing barrel, and the silencing partition plate arranged at the bottom of the silencing barrel is positioned between two adjacent silencing partition plates arranged at the top of the silencing barrel;
the silencing partition plate is provided with a plurality of flow holes, and the flow holes are arranged on the silencing partition plate along the vertical direction;
a purification filter screen is arranged in the connecting port, a stepped groove is arranged in the connecting port, and the purification filter screen is abutted against the stepped groove and abutted against the end part of the connecting pipe;
the connector is internally provided with a current-limiting bulge, the current-limiting bulge protrudes along the axial direction of the connector, and the current-limiting bulge is arc-shaped.
2. The exhaust silencing structure of an internal combustion engine for electric power generation according to claim 1, wherein said connection pipe is a bent pipe.
3. The exhaust silencing structure of an internal combustion engine for electric power generation as set forth in claim 1, wherein a pore size of said flow hole ranges from 3mm to 5 mm.
4. The exhaust silencing structure of an internal combustion engine for electric power generation as set forth in claim 1, wherein connecting lugs are provided on said connecting pipe and said connecting port, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215811.7U CN212054857U (en) | 2020-10-09 | 2020-10-09 | Exhaust silencing structure of internal combustion engine for power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215811.7U CN212054857U (en) | 2020-10-09 | 2020-10-09 | Exhaust silencing structure of internal combustion engine for power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054857U true CN212054857U (en) | 2020-12-01 |
Family
ID=73507266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022215811.7U Expired - Fee Related CN212054857U (en) | 2020-10-09 | 2020-10-09 | Exhaust silencing structure of internal combustion engine for power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054857U (en) |
-
2020
- 2020-10-09 CN CN202022215811.7U patent/CN212054857U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20211009 |