CN221277853U - Front-mounted variable-frequency power air duct structure and engine - Google Patents
Front-mounted variable-frequency power air duct structure and engine Download PDFInfo
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- CN221277853U CN221277853U CN202323336393.7U CN202323336393U CN221277853U CN 221277853 U CN221277853 U CN 221277853U CN 202323336393 U CN202323336393 U CN 202323336393U CN 221277853 U CN221277853 U CN 221277853U
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- air
- muffler
- housing
- guide cover
- air guide
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- 239000007858 starting material Substances 0.000 claims description 28
- 230000003584 silencer Effects 0.000 claims description 23
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000017525 heat dissipation Effects 0.000 description 9
- 239000011324 bead Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a preposed variable-frequency power air duct structure and an engine, which comprise a housing, a main flow air duct, an axial flow fan, an air inlet and an air outlet, wherein the housing is formed by connecting a plurality of air hoods, the air hoods are respectively positioned at the outer sides of corresponding generator parts, the main flow air duct is formed by gaps between the housing and engine internal parts, the air inlet and the air outlet are positioned at two ends of the housing, the axial flow fan is arranged at one side far away from a muffler opening, a channel is formed between the axial flow fan and a muffler shell, and air flow formed by the axial flow fan contacts with one side far away from a muffler outlet and flows to the main flow air duct. The unmanned aerial vehicle includes leading frequency conversion power wind channel structure. The utility model has the beneficial effects that the wind flow formed by the axial flow fan contacts with one side of the shell far away from the outlet of the muffler, the contact area of the wind flow and the muffler shell is increased, the heat of the muffler shell is taken away, and abnormal sound of the muffler due to overhigh temperature is prevented.
Description
Technical Field
The utility model relates to the technical field of engine structures, in particular to a front variable-frequency power air duct structure and an engine.
Background
At present, the engine has the characteristics of high noise, poor fan heating effect and high temperature.
The utility model provides a full package formula engine structure of application number CN216406969U sets up engine housing and wraps up whole engine in to set up engine housing into the structure that has a plurality of wind scoops, and all be formed with the wind-guiding cavity between wind scoops and the corresponding work piece, adopt centrifugal fan to pass through the end face of wind flow from the silencer casing, the area of wind flow and silencer casing contact is little, and is not good to the radiating effect of silencer, and the temperature of silencer is high, probably can take place abnormal sound.
Disclosure of Invention
The utility model aims to provide a preposed variable-frequency power air duct structure and an engine, which enable wind flow formed by an axial flow fan to pass through the side surface of a silencer shell, increase the contact area between the wind flow and the silencer shell, improve the heat dissipation effect on the silencer and prevent the silencer from giving out abnormal sound due to overhigh temperature.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model provides a leading variable frequency power wind channel structure, includes housing, mainstream wind channel, axial fan, air intake and air outlet, the housing is connected by several fan housing and forms, and several fan housing is located the generator part outside that corresponds respectively, mainstream wind channel is formed by the clearance between housing and the engine internals, air intake and air outlet are located the both ends of housing, axial fan installs one side of keeping away from the silencer export, be formed with the passageway between axial fan and the silencer casing, the wind flow that axial fan formed contacts and flows to mainstream wind channel with one side of keeping away from the silencer export.
According to the utility model, the plurality of wind hoods are respectively positioned on the outer sides of the parts of the corresponding generators, so that wind flows conveniently enter from the air inlets of the hoods and flow out from the air outlets along the main flow air channels formed in the hoods, heat of the parts is taken away, the axial flow fan is arranged on one side far away from the muffler outlet, a gap is formed between the axial flow fan and the muffler shell, the wind flows conveniently formed by the axial flow fan are in contact with one side of the shell far away from the muffler outlet, the contact area of the wind flows and the muffler shell is increased, the gap is communicated with the main flow air channels, the heat of the muffler shell is taken away by the main flow air channels, the heat dissipation effect of the muffler is improved, and abnormal sounds of the muffler due to overhigh temperature are prevented.
Preferably, the housing comprises a starter wind scooper, the starter wind scooper is located at the outer side of the starting pull disc, and the air inlet is located on the starter wind scooper.
Therefore, the air inlet is arranged on the starter wind scooper, so that wind flow can enter the housing conveniently, and heat dissipation is carried out on parts of the engine.
Preferably, the housing further comprises a cylinder head air guide cover, and the cylinder head air guide cover is positioned on the outer side of the cylinder head and connected with one end of the starter air guide cover.
In this way, the cylinder head wind scooper is positioned at the outer side of the cylinder head and connected with one end of the starter wind scooper, so that wind flows through the outer side of the cylinder head to radiate heat to the cylinder head.
Preferably, the housing comprises a lower wind scooper, one end of the lower wind scooper is connected with one end of the starter wind scooper, and one side of the lower wind scooper is connected with the cylinder head wind scooper.
Therefore, one end of the lower air guide cover is connected with one end of the starter air guide cover, and one side of the lower air guide cover is connected with the cylinder head air guide cover, so that air flows from the outer side of the cylinder head and parts close to the cylinder head, and the heat dissipation effect is achieved.
Preferably, the housing further comprises an upper air guide cover, one end of the upper air guide cover is connected with one end of the starter air guide cover, and two sides of the upper air guide cover are respectively connected with the cylinder head air guide cover and the lower air guide cover.
Therefore, one end of the upper wind scooper is connected with one end of the starter wind scooper, two sides of the upper wind scooper are respectively connected with the cylinder head wind scooper and the lower wind scooper to form a sealing structure, so that wind flows pass along the outer side of the part to dissipate heat of the part.
Preferably, the housing further comprises a muffler fan housing, the muffler fan housing is integrally a cylindrical housing, one end of the muffler fan housing is connected with the upper air guide housing and the lower air guide housing, and an air outlet is formed in the other end of the muffler fan housing.
Like this, through wholly being cylindrical casing with silencer fan housing, one end is connected with last fan housing and lower fan housing, and the other end is formed with the air outlet, and the wind current of being convenient for flows through from the silencer casing, dispels the heat to the silencer to send out hot-blast from the air outlet.
Preferably, a gap is formed between one end of the muffler fan housing, where the air outlet is formed, and the muffler shell, and the gap forms part of the main flow air channel.
Therefore, a gap is formed between one end of the muffler fan housing, where the air outlet is formed, and the muffler shell, and the gap forms part of the main flow air channel, so that the contact area between the main flow air channel and the muffler shell is increased, and the heat dissipation effect of the muffler is further improved.
Preferably, the wind deflector is matched with the shell of the axial flow fan, and a channel for the wind flow of the axial flow fan to flow into the main flow air channel is formed between the wind deflector and the silencer shell.
In this way, through setting up the deep bead to be formed with the wind current that supplies the axial fan and flow into the passageway in mainstream wind channel between deep bead and silencer casing, restriction wind current's route makes all wind currents that the axial fan formed contact with the silencer, takes away the heat of silencer.
In order to achieve the above purpose, the embodiment of the utility model also provides an engine, which comprises the front variable frequency power air duct structure.
The utility model has the beneficial effects that the wind hoods are respectively positioned at the outer sides of the parts of the corresponding generators, so that wind flows conveniently enter from the air inlets of the hoods and flow out from the air outlets along the main flow air channels formed in the hoods, heat of the parts is taken away, the axial flow fan is arranged at one side far away from the muffler outlet, a gap is formed between the axial flow fan and the muffler shell, the wind flows conveniently formed by the axial flow fan are contacted with one side of the shell far away from the muffler outlet, the contact area of the wind flows and the muffler shell is increased, the gap is communicated with the main flow air channels, the heat of the muffler shell is taken away through the main flow air channels, the heat dissipation effect of the muffler is improved, and abnormal sound of the muffler due to overhigh temperature is prevented. A gap is formed between one end of the muffler fan housing, where the air outlet is formed, and the muffler shell, the gap forms part of a main flow air channel, so that the contact area between the main flow air channel and the muffler shell is increased, and the heat dissipation effect of the muffler is further improved.
Drawings
FIG. 1 is a block diagram of the external form of the present utility model;
FIG. 2 is a cross-sectional view of B-B of FIG. 1 in accordance with the present utility model;
fig. 3 is a partial structural view of the present utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, which are not intended to limit the utility model to the embodiments described.
Reference numerals in the drawings of the specification include: the silencer comprises a silencer fan housing 1, an upper air guide housing 2, a cylinder head air guide housing 3, a starter air guide housing 5, a lower air guide housing 6, a silencer shell 7, a wind shield 8, an axial flow fan 9 and a starting pull disc 10.
Referring to fig. 1 to 3, a front variable frequency power air duct structure comprises a housing, a main flow air duct, an axial flow fan 9, an air inlet and an air outlet, wherein the housing is formed by connecting a plurality of air hoods, the plurality of air hoods are respectively positioned on the outer sides of corresponding generator parts, the main flow air duct is formed by gaps between the housing and engine internal parts, the air inlet and the air outlet are positioned at two ends of the housing, the axial flow fan 9 is arranged on one side far away from a muffler outlet, a channel is formed between the axial flow fan 9 and the muffler shell 7, and air flow formed by the axial flow fan 9 contacts with one side shell far away from the muffler outlet and flows to the main flow air duct.
Referring to fig. 2, the main flow duct is formed by a gap between the casing and the outside of the engine part. Therefore, the main flow air channel is formed by the gap between the housing and the outer side of the engine part, so that partial heat of the part is conveniently taken away by the air flow in the gap, and the part is radiated.
Referring to fig. 1 and 2, the housing includes a starter wind scooper 5, the starter wind scooper 5 is located at the outer side of the starter pull disk 10, and the air inlet is located on the starter wind scooper 5. Thus, the air inlet is arranged on the starter wind scooper 5, so that wind flow can enter the housing conveniently.
Referring to fig. 1 to 3, the housing further includes a cylinder head wind scooper 3, and the cylinder head wind scooper 3 is located at the outer side of the cylinder head and is connected to one end of the starter wind scooper 5. In this way, the cylinder head air guide cover 3 is positioned on the outer side of the cylinder head and connected to one end of the starter air guide cover 5, so that the air flow flows from the outer side of the cylinder head to radiate heat from the cylinder head.
Referring to fig. 1 and 2, the housing includes a lower air guide housing 6, one end of the lower air guide housing 6 is connected with one end of the starter air guide housing 5, and one side is connected with the cylinder head air guide housing 3. In this way, one end of the lower air guide cover 6 is connected with one end of the starter air guide cover 5, and one side is connected with the cylinder head air guide cover 3, so that air flows from the outer side of the cylinder head and parts close to the cylinder head to achieve the heat dissipation effect.
Referring to fig. 1 and 2, the housing further includes an upper air guiding cover 2, one end of the upper air guiding cover 2 is connected with one end of the starter air guiding cover 5, and two sides of the upper air guiding cover 2 are respectively connected with the cylinder head air guiding cover 3 and the lower air guiding cover 6. In this way, one end of the upper wind scooper 2 is connected with one end of the starter wind scooper 5, and two sides of the upper wind scooper are respectively connected with the cylinder head wind scooper 3 and the lower wind scooper 6 to form a sealing structure, so that wind flows pass along the outer side of the part to dissipate heat of the part.
Referring to fig. 1 and 2, the housing further includes a muffler fan housing 1, the muffler fan housing 1 is a cylindrical housing integrally, one end of the muffler fan housing is connected with the upper fan housing 2 and the lower fan housing 6, and an air outlet is formed at the other end of the muffler fan housing. Thus, by forming the muffler fan housing 1 as a cylindrical housing as a whole, one end is connected with the upper fan housing 2 and the lower fan housing 6, and the other end is formed with an air outlet, so that air flows through the muffler housing 7 conveniently, dissipates heat from the muffler, and sends hot air out from the air outlet. Referring to fig. 1 and 2, a gap is formed between one end of the muffler cover 1 where the air outlet is formed and the muffler housing 7, and the gap constitutes a part of the main flow air duct. In this way, a gap is formed between the end of the muffler fan housing 1 where the air outlet is formed and the muffler shell 7, and the gap forms part of the main flow air channel, so that the contact area between the main flow air channel and the muffler shell 7 is increased, and the heat dissipation effect of the muffler is further improved.
Referring to fig. 2 and 3, the air conditioner further comprises a wind shield 8, the wind shield 8 is matched with the shell of the axial flow fan 9, and a channel for the wind flow of the axial flow fan 9 to flow into the main flow air channel is formed between the wind shield 8 and the silencer shell 7. In this way, by providing the wind deflector 8 and forming a passage for the wind flow of the axial flow fan 9 to flow into the main flow duct between the wind deflector 8 and the muffler housing 7, the path of the wind flow is restricted so that the wind flow contacts the muffler, taking away the heat of the muffler.
Embodiment 2, an engine, including the above-mentioned leading variable frequency power wind channel structure.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a leading variable frequency power wind channel structure, its characterized in that, includes housing, mainstream wind channel, axial fan (9), air intake and air outlet, the housing is connected by several fan housing and forms, and several fan housing is located the generator part outside that corresponds respectively, mainstream wind channel is formed by the clearance between housing and the engine internals, air intake and air outlet are located the both ends of housing, axial fan (9) are installed in the one side of keeping away from the muffler export, be formed with the passageway between axial fan (9) and muffler casing (7), the wind flow that axial fan (9) formed contacts and flows to mainstream wind channel with the one side of keeping away from the muffler export.
2. The front-end variable frequency power air duct structure according to claim 1, wherein the housing comprises a starter air guide cover (5), the starter air guide cover (5) is located on the outer side of a starting pull disc (10), and the air inlet is located on the starter air guide cover (5).
3. The front-mounted variable-frequency power air duct structure according to claim 1, wherein the housing further comprises a cylinder head air guide cover (3), and the cylinder head air guide cover (3) is located on the outer side of the cylinder head and connected with one end of the starter air guide cover (5).
4. The front-mounted variable-frequency power air duct structure according to claim 1, wherein the housing comprises a lower air guide cover (6), one end of the lower air guide cover (6) is connected with one end of the starter air guide cover (5), and one side of the lower air guide cover is connected with the cylinder head air guide cover (3).
5. The preposed variable frequency power air duct structure according to claim 1, wherein the housing further comprises an upper air guide cover (2), one end of the upper air guide cover (2) is connected with one end of a starter air guide cover (5), and two sides of the upper air guide cover are respectively connected with a cylinder head air guide cover (3) and a lower air guide cover (6).
6. The preposed variable frequency power air duct structure according to claim 1 is characterized in that the housing further comprises a muffler air cover (1), the muffler air cover (1) is integrally a cylindrical shell, one end of the muffler air cover is connected with the upper air guide cover (2) and the lower air guide cover (6), and an air outlet is formed at the other end of the muffler air cover.
7. The structure of the pre-inverter power duct according to claim 6, wherein a gap is formed between one end of the muffler cover (1) where the air outlet is formed and the muffler housing (7), and the gap constitutes a part of the main flow duct.
8. The front-end variable frequency power air duct structure according to any one of claims 1 to 7, further comprising a wind deflector (8), wherein the wind deflector (8) is matched with the outer shell of the axial flow fan (9), and a channel for the air flow of the axial flow fan (9) to flow into the main flow air duct is formed between the wind deflector (8) and the silencer shell (7).
9. An engine comprising the front-end variable frequency power air duct structure of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323336393.7U CN221277853U (en) | 2023-12-08 | 2023-12-08 | Front-mounted variable-frequency power air duct structure and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323336393.7U CN221277853U (en) | 2023-12-08 | 2023-12-08 | Front-mounted variable-frequency power air duct structure and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221277853U true CN221277853U (en) | 2024-07-05 |
Family
ID=91695324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323336393.7U Active CN221277853U (en) | 2023-12-08 | 2023-12-08 | Front-mounted variable-frequency power air duct structure and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221277853U (en) |
-
2023
- 2023-12-08 CN CN202323336393.7U patent/CN221277853U/en active Active
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| GR01 | Patent grant |