CN221196539U - Muffler with cooling function - Google Patents
Muffler with cooling function Download PDFInfo
- Publication number
- CN221196539U CN221196539U CN202323262360.2U CN202323262360U CN221196539U CN 221196539 U CN221196539 U CN 221196539U CN 202323262360 U CN202323262360 U CN 202323262360U CN 221196539 U CN221196539 U CN 221196539U
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- China
- Prior art keywords
- shell
- muffler
- cooling
- resonance tube
- cold
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- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000030279 gene silencing Effects 0.000 claims abstract description 8
- 239000004065 semiconductor Substances 0.000 claims description 20
- 230000003584 silencer Effects 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of silencers and discloses a silencer with a cooling function, which comprises a shell, wherein two ends of the shell are respectively provided with an air inlet and an air outlet, a cooling mechanism is arranged at the air inlet, a plurality of cold guide sheets of the cooling mechanism extend into the shell, and a silencing structure is arranged in the shell.
Description
Technical Field
The utility model relates to the technical field of silencers, in particular to a silencer with a cooling function.
Background
The muffler is a noise reduction device which can attenuate or reflect noise in a pipeline by using noise reduction devices such as a pipeline with a sound absorption lining and an elbow or a pipeline with suddenly changed sectional area and discontinuous acoustic impedance for the airflow pipeline with noise transmission, and is commonly used for an exhaust pipe of automobile exhaust. However, the tail gas generally has higher temperature, so that the muffler is scalded, and when the muffler is used for a long time, the noise-reducing cotton in the muffler is easy to adhere, and even the pipe wall is damaged, so that the normal operation of the muffler is affected.
The utility model of China with the application number 202020624273.4 discloses a muffler cooling cover, a cooling cover is sleeved on a muffler shell, a water-cooling pipeline network is arranged in the cooling cover, cooling of the muffler shell is promoted in a water-cooling mode, the temperature of the muffler is reduced to a certain extent, but the muffler can only cool a shell of the muffler, gas passing through the muffler still has higher temperature, so that the temperature inside the muffler is maintained in a higher state, and internal damage is easy to cause.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide the silencer with the cooling function.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a muffler with cooling function, includes the casing, the both ends of casing are air inlet and gas outlet respectively, air inlet department is provided with cooling mechanism, a plurality of cold guide plates of cooling mechanism extend into in the casing, be provided with sound deadening structure in the casing.
The utility model is further provided with: the cooling mechanism comprises a semiconductor refrigerating sheet, the semiconductor refrigerating sheet is arranged on the outer side of the shell in a surrounding mode, the cold end of the semiconductor refrigerating sheet is attached to the shell, and a plurality of radiating fins are uniformly arranged on the hot end of the semiconductor refrigerating sheet.
The utility model is further provided with: the cold guide plates extend out of the shell and are connected with the cold ends of the semiconductor refrigerating plates, and a plurality of the cold guide plates form a net structure in the shell.
The utility model is further provided with: the silencing structure comprises a first resonance tube, one end of the first resonance tube is attached to the cold guide plate, the other end of the first resonance tube is connected with a dispersing net, a plurality of sound absorbing plates are arranged on one side of the dispersing net, facing the air outlet, at intervals, and a second resonance tube is arranged at the air outlet.
The utility model is further provided with: the sound absorbing plate is connected with a drainage cavity between the sound absorbing plate and the second resonance tube, and the inner wall of the drainage cavity is in a smooth transitional arc shape and is tangent to the inner wall of the second resonance tube.
The utility model has the advantages that:
1. The cooling mechanism adopts the semiconductor refrigerating sheet attached to the surface of the shell, has high energy conversion efficiency and small volume, and is more suitable for the working conditions of limited installation space of automobiles, ship bodies and the like;
2. the cold quantity generated by the semiconductor refrigerating sheet is conducted into the shell through the cold conducting sheet, the cold conducting sheet is arranged into a net structure in the shell, and when high-temperature gas enters from the air inlet, the high-temperature gas is dispersed by the net cold conducting sheet, so that the cooling of the gas is fully realized, the cooling effect is good, and the service life of the silencer is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B shown in FIG. 2;
In the figure: 1. a housing; 2. an air inlet; 3. an air outlet; 4. a cooling mechanism; 41. a semiconductor refrigeration sheet; 42. a cold guide plate; 43. a heat radiation fin; 5. a first resonance tube; 6. a dispersion net; 7. a sound absorbing panel; 8. a drainage cavity; 9. and a resonance tube II.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Referring to fig. 1-3, the present utility model provides the following technical solutions:
The silencer with the cooling function comprises a shell 1, wherein an air inlet 2 and an air outlet 3 are respectively arranged at two ends of the shell 1, a cooling mechanism 4 is arranged at the air inlet 2, a plurality of cooling guide sheets 42 of the cooling mechanism 4 extend into the shell 1, and a silencing structure is arranged in the shell 1; when high-temperature gas enters from the gas inlet 2, the high-temperature gas passes through the cold guide plate 42 and exchanges heat with the cold guide plate 42, and the cooled gas enters the subsequent silencing structure again to be reduced in noise, so that the temperature of the gas passing through the silencing structure is reduced, the ageing of the silencing mechanism is delayed, and the service life of the silencer is prolonged.
The cooling mechanism 4 comprises a semiconductor refrigeration sheet 41, the semiconductor refrigeration sheet 41 is arranged on the outer side of the shell 1 in a surrounding mode, the cold end of the semiconductor refrigeration sheet 41 is attached to the shell 1, and a plurality of heat dissipation fins 43 are uniformly arranged on the hot end of the semiconductor refrigeration sheet 41; the semiconductor refrigerating sheet 41 has small volume, high heat conversion efficiency and little influence on the whole installation volume of the silencer, and is suitable for places with limited installation space;
the cold guide plates 42 extend out of the shell 1 and are connected with the cold ends of the semiconductor refrigerating plates 41, and are directly connected with a cold source, so that the waste of cold is reduced, a plurality of cold guide plates 42 form a net structure in the shell 1, the passing gas is dispersed, the contact area between the gas and the cold guide plates 42 is increased, and the cooling efficiency is improved.
The silencing structure comprises a first resonance tube 5, one end of the first resonance tube 5 is attached to the cold guide piece 42, the other end of the first resonance tube 5 is connected with a dispersing net 6, a plurality of sound absorbing plates 7 are arranged on one side, facing the air outlet 3, of the dispersing net 6 at intervals, and a second resonance tube 9 is arranged at the air outlet 3; the dispersion net 6 can disperse the air current through resonance tube one 5, prevents that gas striking abatvoix 7 from producing the noise, and a plurality of abatvoix 7 that the interval set up realize the inflation amortization through the flow area that changes gas repeatedly to two preceding resonance tubes can set up to different apertures, with the frequency range of increase amortization, improve the amortization effect.
The acoustic panel 7 is connected with drainage chamber 8 between resonance tube two 9, and the inner wall in drainage chamber 8 is smooth transition's arcuation to tangent the inner wall of resonance tube two 9 sets up, has reduced the noise that gas impacted the inner wall produced, guarantees the holistic amortization effect of muffler.
Specifically, the cooling mechanism 4 adopts the semiconductor refrigeration piece 41 attached to the surface of the shell 1, so that the energy conversion efficiency is high, the volume is small, and the cooling mechanism is more suitable for the working conditions of limited installation space of automobiles, ship bodies and the like;
the cold quantity generated by the semiconductor refrigerating sheet 41 is conducted into the shell 1 through the cold conducting sheet 42, the cold conducting sheet 42 is arranged into a net structure in the shell 1, and when high-temperature gas enters from the air inlet 2, the high-temperature gas is dispersed by the net cold conducting sheet 42, so that the cooling of the gas is fully realized, the cooling effect is good, and the service life of the silencer is prolonged.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar orientations and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a muffler with cooling function, includes casing (1), its characterized in that: the utility model discloses a cooling device for the automobile, including casing (1), cooling mechanism (4), casing (1) are gone into to the both ends of casing (1) respectively air inlet (2) and gas outlet (3), air inlet (2) department is provided with cooling mechanism (4), a plurality of cold guide piece (42) of cooling mechanism (4) extend into in casing (1), be provided with amortization structure in casing (1).
2. The muffler with a cooling function as defined in claim 1, wherein: the cooling mechanism (4) comprises a semiconductor refrigerating sheet (41), the semiconductor refrigerating sheet (41) is arranged on the outer side of the shell (1) in a surrounding mode, and a plurality of radiating fins (43) are uniformly arranged on the cold end and the hot end of the semiconductor refrigerating sheet (41) which are attached to the shell (1).
3. A muffler with a cooling function as defined in claim 2, wherein: the cold guide plates (42) extend out of the shell (1) and are connected with the cold ends of the semiconductor refrigerating plates (41), and a plurality of the cold guide plates (42) form a net structure in the shell (1).
4. The muffler with a cooling function as defined in claim 1, wherein: the silencing structure comprises a first resonance tube (5), one end of the first resonance tube (5) is attached to the cold guide piece (42), the other end of the first resonance tube (5) is connected with a dispersing net (6), a plurality of sound absorbing plates (7) are arranged on one side of the dispersing net (6) facing the air outlet (3) at intervals, and a second resonance tube (9) is arranged at the air outlet (3).
5. The muffler with a cooling function as defined in claim 4, wherein: a drainage cavity (8) is connected between the sound absorbing plate (7) and the second resonance tube (9), and the inner wall of the drainage cavity (8) is in a smooth transitional arc shape and is tangential to the inner wall of the second resonance tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262360.2U CN221196539U (en) | 2023-12-01 | 2023-12-01 | Muffler with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262360.2U CN221196539U (en) | 2023-12-01 | 2023-12-01 | Muffler with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221196539U true CN221196539U (en) | 2024-06-21 |
Family
ID=91524404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323262360.2U Active CN221196539U (en) | 2023-12-01 | 2023-12-01 | Muffler with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221196539U (en) |
-
2023
- 2023-12-01 CN CN202323262360.2U patent/CN221196539U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |