CN220434853U - Muffler cabin heat radiation structure and frequency converter - Google Patents
Muffler cabin heat radiation structure and frequency converter Download PDFInfo
- Publication number
- CN220434853U CN220434853U CN202321980312.4U CN202321980312U CN220434853U CN 220434853 U CN220434853 U CN 220434853U CN 202321980312 U CN202321980312 U CN 202321980312U CN 220434853 U CN220434853 U CN 220434853U
- Authority
- CN
- China
- Prior art keywords
- cabin
- muffler
- heat radiation
- heat dissipation
- cabin body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 19
- 230000003584 silencer Effects 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 230000030279 gene silencing Effects 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000013021 overheating Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to a muffler cabin heat radiation structure and a frequency converter, wherein the muffler cabin heat radiation structure comprises a cabin body, an outward heat radiation opening is formed in the cabin body, a partition board is arranged in the cabin body, the partition board divides the cabin body into a first cabin and a second cabin, and meanwhile, the heat radiation opening is divided into a first heat radiation opening of the first cabin and a second heat radiation opening of the second cabin; the muffler cabin radiating structure has the advantages that compared with the prior art, the muffler cabin radiating structure has a noise reduction effect on the turbine radiator, and is beneficial to user experience; meanwhile, when the gas exhausted from the generator flows through the second cabin, the heat of part of the muffler cabin can be absorbed, so that the temperature of the muffler cabin is reduced, and the overheating of the muffler cabin is prevented; the frequency converter has the silencer cabin heat radiation structure with the structure and has the same technical effect.
Description
Technical Field
The utility model relates to the technical field of variable frequency generators, in particular to a muffler cabin heat dissipation structure and a variable frequency generator.
Background
In the prior art, an engine is arranged in a frequency converter and is used for driving a crankshaft to rotate so as to drive a generator to generate electricity; the frequency converter is internally provided with a muffler cabin, the air outlet of the engine cylinder cover is communicated into the muffler cabin, and the air is discharged to the outside from a heat dissipation port at the side part of the frequency converter shell after being muffled by the muffler, so that the heat dissipation of the engine is realized; a turbine radiator is further arranged in the frequency converter, the fan rotates to drive the generator hot gas to be sucked from the air inlet, and the hot gas is discharged from the heat radiation port after passing through the volute air channel, an air outlet of the turbine radiator is arranged on the side part of the frequency converter shell, and the generator hot gas is directly discharged to the outside; the muffler cabin and the turbine radiator are arranged without interference, and the functions of the muffler cabin and the turbine radiator are independently realized. The high-speed rotation of the turbine radiator fan, high-speed airflow flowing or vibration of the volute and the like can generate noise, and the internal noise of the turbine radiator with the existing structure is directly transmitted to the outside from the air outlet, so that the whole variable-frequency generator is large in noise, and user experience is influenced.
Disclosure of Invention
The first object of the present utility model is: aiming at the problem of larger noise of a turbine radiator in a variable frequency generator in the prior art, the radiating structure of the muffler cabin is provided; a second object of the present utility model is to provide a frequency converter.
In order to achieve the first object, the present utility model adopts the following technical scheme:
the muffler cabin heat radiation structure comprises a cabin body, wherein an outward heat radiation port is formed in the cabin body, a partition plate is arranged in the cabin body, the partition plate divides the cabin body into a first cabin and a second cabin, and meanwhile, the heat radiation port is divided into a first heat radiation port of the first cabin and a second heat radiation port of the second cabin; the first cabin is internally provided with a muffler, the cabin body is also provided with an air inlet, and an air outlet of the turbine radiator is communicated with the inner cavity of the second cabin through the air inlet.
According to the utility model, the partition plate is arranged in the cabin body to divide the cabin body into the first cabin and the second cabin, the structure that the air outlet of the turbine radiator is directly exhausted outwards in the prior art is eliminated, the air outlet of the turbine radiator is communicated with the inner cavity of the second cabin, and the air exhausted from the turbine radiator enters the second cabin first and is exhausted from the second radiating port.
Further, the partition board is transversely arranged in the cabin body to divide the cabin body into the first cabin on the upper layer and the second cabin on the lower layer, and the muffler is arranged in the first cabin; the engine and the generator are of an up-down arrangement structure, and are respectively close to the first cabin and the second cabin which are arranged up and down, so that the connection structure is simplified, and the arrangement is more reasonable.
Further, the turbine radiator is arranged at the bottom of the cabin body, the air inlet hole is formed in the bottom plate of the cabin body, and the inner end of the partition plate is connected with the bottom plate, so that the inner end of the second cabin is closed; the exhaust gas in the turbine radiator can be discharged from the second heat radiation port completely, partial gas possibly leaking into the frequency converter from the inner end of the second cabin is avoided, and the exhaust effect is good.
Further, the bottom plate is a bending plate, so that the air inlet hole is L-shaped; the cross section area of the air outlet of the turbine radiator is large, so that the exhaust gas can be diffused outwards.
Further, the partition plate is gradually inclined in a direction away from the bottom plate along a direction from inside to outside; so set up, the baffle can guide the gas that the inlet port flowed in to the second thermovent.
Further, the silencer comprises a buffer box and a porous silencing pipe, wherein the outer end of the buffer box is provided with a mounting hole, the porous silencing pipe is inserted into the mounting hole, and the inner end of the buffer box is connected with an air outlet pipe of an engine cylinder cover; the muffler with the structure has better silencing effect on gas and obvious noise reduction effect.
Further, a grid plate is arranged on the heat radiation port; protecting the parts inside the muffler cabin.
In order to achieve the second object, the present utility model adopts the following technical scheme:
a frequency converter comprises the muffler cabin radiating structure.
Compared with the prior art, the utility model has the beneficial effects that: the turbine radiator has the noise reduction effect, and is beneficial to user experience; meanwhile, when the gas exhausted from the generator flows through the second cabin, the heat of part of the muffler cabin can be absorbed, so that the temperature of the muffler cabin is reduced, and the overheating of the muffler cabin is prevented; the frequency converter has the same technical effect as the heat dissipation structure of the muffler cabin.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model with the grid plate removed;
FIG. 3 is a diagram of the connection of the present utility model to a turbine radiator;
FIG. 4 is an exploded view of the structure of FIG. 3;
FIG. 5 is a schematic view of the structure of FIG. 3 from another perspective;
fig. 6 is a cross-sectional view of the structure of fig. 3.
The marks in the figure: 1-cabin body, 2-turbine radiator, 3-cooling mouth, 4-baffle, 5-buffer tank, 6-inlet port, 7-tuber pipe, 8-porous amortization pipe, 9-grid board, 10-fan, 11-first cabin, 12-second cabin.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Embodiment 1, this embodiment provides a muffler cabin heat radiation structure, including a cabin body 1, wherein an outward heat radiation port 3 is provided on the cabin body 1, a partition board 4 is provided in the cabin body 1, the partition board 4 divides the cabin body 1 into a first cabin 11 and a second cabin 12, and simultaneously the heat radiation port 3 is divided into a first heat radiation port of the first cabin 11 and a second heat radiation port of the second cabin 12; the first cabin 11 is internally provided with a muffler, the cabin body 1 is also provided with an air inlet 6, and an air outlet of the turbine radiator 2 is communicated with the inner cavity of the second cabin 12 through the air inlet 6;
the partition board 4 is transversely arranged in the cabin body 1 and divides the cabin body 1 into a first cabin 11 at the upper layer and a second cabin 12 at the lower layer, and the muffler is arranged in the first cabin 11;
the turbine radiator 2 is arranged at the bottom of the cabin body 1, the air inlet 6 is arranged on the bottom plate of the cabin body 1, and the inner end of the partition plate 4 is connected with the bottom plate, so that the inner end of the second cabin 12 is closed;
the bottom plate is a bending plate, so that the air inlet 6 is L-shaped;
the partition board 4 gradually inclines in the direction away from the bottom board along the direction from inside to outside;
the silencer comprises a buffer box 5 and a porous silencing pipe 8, wherein the outer end of the buffer box 5 is provided with a mounting hole, the porous silencing pipe 8 is inserted into the mounting hole, and the inner end of the buffer box 5 is connected with an air outlet pipe 7 of an engine cylinder cover; the outer end of the porous silencing pipe 8 is open, the inner end is closed, and a part of pipe walls inserted in the buffer box 5 are provided with a plurality of silencing holes; after the gas exhausted by the air outlet pipe 7 enters the buffer box 5, the gas enters the porous silencing pipe 8 from the silencing hole and flows out from the opening at the outer end of the porous silencing pipe;
the heat radiation port 3 is provided with a grating plate 9.
According to the utility model adopting the technical scheme, the partition board 4 is arranged in the cabin body 1 to divide the cabin body into the first cabin 11 and the second cabin 12, and the structure that the air outlet of the turbine radiator is directly exhausted outwards in the prior art is canceled, the air outlet of the turbine radiator 2 is communicated with the inner cavity of the second cabin 12, and the air exhausted from the turbine radiator 12 firstly enters the second cabin 12 and then is exhausted from the second heat radiation port, so that the inner wall of the second cabin 12 has a certain blocking effect on the noise in the turbine radiator 2, and the noise is prevented from being directly transmitted from the air outlet to the outside, so that the noise is reduced, compared with the problem that the noise of the turbine radiator in the variable frequency generator in the prior art is larger, the heat radiation structure of the muffler cabin has a noise reduction effect on the turbine radiator, and is beneficial to user experience; meanwhile, when the gas exhausted from the generator flows through the second cabin 12, the heat of part of the muffler cabin can be absorbed, so that the temperature of the muffler cabin is reduced, and the overheating of the muffler cabin is prevented.
Embodiment 2, a frequency converter, this frequency converter includes above-mentioned silencer cabin heat radiation structure.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a silencer cabin heat radiation structure, includes the cabin body (1), be equipped with outwards thermovent (3) on the cabin body (1), its characterized in that: a partition board (4) is arranged in the cabin body (1), the partition board (4) divides the cabin body (1) into a first cabin (11) and a second cabin (12), and simultaneously the heat dissipation port (3) is divided into a first heat dissipation port of the first cabin (11) and a second heat dissipation port of the second cabin (12); the first cabin (11) is internally provided with a muffler, the cabin body (1) is also provided with an air inlet hole (6), and an air outlet of the turbine radiator (2) is communicated with the inner cavity of the second cabin (12) through the air inlet hole (6).
2. The muffler chamber heat dissipation structure as defined in claim 1, wherein: the partition board (4) is transversely arranged in the cabin body (1), the cabin body (1) is divided into a first cabin (11) on the upper layer and a second cabin (12) on the lower layer, and the muffler is arranged in the first cabin (11).
3. The muffler chamber heat dissipation structure as defined in claim 2, wherein: the turbine radiator (2) is arranged at the bottom of the cabin body (1), the air inlet hole (6) is formed in the bottom plate of the cabin body (1), and the inner end of the partition plate (4) is connected with the bottom plate, so that the inner end of the second cabin (12) is closed.
4. A muffler chamber heat dissipation structure as defined in claim 3, wherein: the bottom plate is a bending plate, so that the air inlet hole (6) is L-shaped.
5. A muffler chamber heat dissipation structure as defined in claim 3, wherein: the partition board (4) gradually inclines in a direction away from the bottom board along the direction from inside to outside.
6. The muffler chamber heat dissipation structure as defined in claim 1, wherein: the silencer comprises a buffer box (5) and a porous silencing pipe (8), wherein a mounting hole is formed in the outer end of the buffer box (5), the porous silencing pipe (8) is inserted into the mounting hole, and the inner end of the buffer box (5) is connected with an air outlet pipe (7) of an engine cylinder cover.
7. The muffler chamber heat dissipation structure as defined in claim 1, wherein: and the heat radiation port (3) is provided with a grid plate (9).
8. A frequency converter, its characterized in that: comprising a muffler chamber heat dissipating structure as defined in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980312.4U CN220434853U (en) | 2023-07-25 | 2023-07-25 | Muffler cabin heat radiation structure and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980312.4U CN220434853U (en) | 2023-07-25 | 2023-07-25 | Muffler cabin heat radiation structure and frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434853U true CN220434853U (en) | 2024-02-02 |
Family
ID=89701524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321980312.4U Active CN220434853U (en) | 2023-07-25 | 2023-07-25 | Muffler cabin heat radiation structure and frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434853U (en) |
-
2023
- 2023-07-25 CN CN202321980312.4U patent/CN220434853U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4608946A (en) | Portable engine-generator set | |
| WO2010037248A1 (en) | Air cooling generator assembly | |
| WO2010066106A1 (en) | Engine generator set | |
| CN211975130U (en) | Exhaust silencer for light automobile | |
| CN220434853U (en) | Muffler cabin heat radiation structure and frequency converter | |
| CN116838453A (en) | Muffler cabin heat radiation structure and frequency converter | |
| CN215672442U (en) | Mute generator set box body | |
| CN212563388U (en) | Silencer for variable-frequency gasoline generator | |
| CN205532865U (en) | Vehicle power silence generator unit | |
| JPH1122482A (en) | Soundproof construction of working machine | |
| CN215292652U (en) | Wind guide and heat dissipation mechanism of mute diesel generator | |
| CN206785451U (en) | A kind of closing space diesel generating set water cooled silencer | |
| CN203756337U (en) | Muting box of diesel generator | |
| CN217898010U (en) | Horizontal shaft gas generating set | |
| CN112065535A (en) | Silencer for variable-frequency gasoline generator | |
| CN214698061U (en) | Diesel generator and silence case of muffler thereof | |
| CN110735704A (en) | silencer wind scooper for general gasoline engine | |
| CN214196456U (en) | Silencer packing case | |
| CN219672730U (en) | Generating set | |
| CN216894632U (en) | Air duct structure of silent sound box of diesel generator | |
| JP3974515B2 (en) | Engine working machine | |
| CN111075537A (en) | Silencing device for cold end of automobile exhaust system | |
| CN214741661U (en) | Arrangement structure of ultra-silent generator set | |
| CN113364212B (en) | Cooling air duct of mute variable-frequency generator set | |
| CN114412625B (en) | Forced air cooling structure of mute engine and mute generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |