CN213450599U - Closed variable frequency generator set - Google Patents
Closed variable frequency generator set Download PDFInfo
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- CN213450599U CN213450599U CN202022523374.5U CN202022523374U CN213450599U CN 213450599 U CN213450599 U CN 213450599U CN 202022523374 U CN202022523374 U CN 202022523374U CN 213450599 U CN213450599 U CN 213450599U
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Abstract
The utility model provides a closed variable frequency generator set, which comprises an outer shell, the wind scooper, the impeller, a generator, the engine, muffler cover and silencer, the rear portion of shell is equipped with first air intake, be equipped with the air outlet on the preceding curb plate of shell, the wind scooper, the impeller, the generator, the engine sets gradually, be equipped with the second air intake on the wind scooper, the preceding top of engine is located to the silencer, the silencer cover is located on the silencer, the front side and the equal opening of downside of silencer cover, the engine bottom is equipped with down the cover plate, be equipped with first wind channel down between cover plate and the engine, the inner chamber of the rear end intercommunication wind scooper in first wind channel, the front end in first wind channel is crooked to. Due to the adoption of the technical scheme, the utility model discloses can improve the cooling effect to the engine.
Description
Technical Field
The utility model belongs to the technical field of generating set, specifically a closed variable frequency generator set.
Background
In closed frequency conversion generating set, each subassembly of generating set is enclosed in the shell, and in closed frequency conversion generating set work, the engine can produce a large amount of heats for the inside ambient temperature of quick-witted case is higher, leads to the radiating rate of engine slow, influences the dynamic property and the economic nature of engine.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned prior art exists, the utility model provides a closed variable frequency generator set.
The utility model aims at realizing through such technical scheme, it includes shell, wind scooper, impeller, generator, engine, muffler cover and silencer, the rear portion of shell is equipped with first air intake, be equipped with the air outlet on the preceding curb plate of shell, wind scooper, impeller, generator, engine set gradually, are equipped with the second air intake on the wind scooper, the preceding top of engine is located to the silencer, the silencer cover is located on the silencer, the equal opening of front side and the downside of muffler cover, the engine bottom is equipped with down the cover plate, be equipped with first wind channel down between cover plate and the engine, the rear end in first wind channel communicates the inner chamber of wind scooper, and the front end in first wind channel is crooked to the preceding lateral wall of engine.
Furthermore, the front side wall of the engine is provided with a vertical air guiding rib, and the air guiding rib is positioned on the left side of the front end of the lower cover plate.
Furthermore, cooling channels are formed between the upper side and the rear side of the silencer and the silencer cover, an upper cover plate is arranged on the upper side of the engine, a second air duct is arranged between the upper cover plate and the engine, the rear end of the second air duct is communicated with the inner cavity of the air guide cover, and the front end of the second air duct is communicated with the cooling channels.
Further, be equipped with first deep bead on the engine, first deep bead is used for blockking the clearance between the downside of silencer and the engine.
Furthermore, both ends all are equipped with the second deep bead about first deep bead, first deep bead and second deep bead form the U font structure of opening backward, two the rear end of second deep bead all contradicts with the front end of upper shield board.
Furthermore, a third air inlet is formed by the silencer cover, the silencer and the second air baffle close to the left in a surrounding mode.
Further, a third air duct is arranged between the upper side of the cylinder head of the engine and the air guide cover, the front end of the third air duct is open, a spark plug is arranged on the cylinder head, and the spark plug is located at the front end of the third air duct.
Further, the upper side of the crankcase of the engine is provided with a plurality of radiating ribs, the radiating ribs are arranged along the front-back direction, the radiating ribs are located between the cylinder head of the engine and the second wind baffle close to the right, a fourth air channel is formed by the plurality of radiating ribs and the upper cover plate, the rear end of the fourth air channel is communicated with the inner cavity of the air guide cover, and the front end of the fourth air channel is communicated with the inner cavity of the muffler cover.
Furthermore, a fifth air duct is arranged between the lower side of the cylinder head of the engine and the air guide cover, the front end of the fifth air duct is open, an igniter coil mounting column is arranged on the cylinder head, and the igniter coil mounting column is located in the fifth air duct.
Further, an inverter is arranged in the shell and located at the edge of the first air inlet.
Since the technical scheme is used, the beneficial effects of the utility model are that:
1. set up the silencer in the preceding top of engine, make the silencer can not lead to the fact to shelter from to the front end of engine the utility model provides a generating set during operation, the crankshaft rotation of the crankcase of engine drives the impeller and rotates, the outside cold air of shell gets into the shell from first air intake, the air current that gets into the shell is inhaled in the wind scooper through second air intake by pivoted impeller, then the air current can follow in the first wind channel of wind scooper inflow, because the front end in first wind channel is crooked to the preceding lateral wall of engine, the air current in the first wind channel can upwards flow, then flow forward under the blockking of silencer, flow the shell from the air outlet at last. In the whole process, the airflow can cool the lower side of the engine, the front end of the engine and the silencer. The utility model discloses can improve the cooling effect to the engine, can improve the dynamic property and the economic nature of engine.
2. The front side wall of the engine is provided with a vertical air guiding rib, and the air guiding rib is positioned on the left side of the front end of the lower cover plate. The air guide rib can prevent air from flowing to the left side of the engine and mixing, and can enhance the cooling effect on the front side wall of the engine and the silencer.
3. Cooling channels are formed between the upper side and the rear side of the silencer and the silencer cover, an upper cover plate is arranged on the upper side of the engine, a second air duct is arranged between the upper cover plate and the engine, the rear end of the second air duct is communicated with the inner cavity of the air guide cover, and the front end of the second air duct is communicated with the cooling channels. The second air duct is arranged, so that the air flow sucked into the air guide cover from the second air inlet can also flow into the second air duct, then flows into the channel through the second air duct, then flows out of the front side of the silencer cover, and finally flows out of the shell from the air outlet. The heat dissipation can be carried out on the upper side of the engine and the rear side and the upper side of the silencer in the flowing process of the air flow, and the cooling effect on the engine can be further improved.
4. Be equipped with first deep bead on the engine, first deep bead is used for blockking the clearance between the downside of silencer and the engine. The first wind shield is arranged, air flowing out from the second air channel can be blocked, air flowing through a gap between the silencer and the engine can be reduced, the air flowing out from the second air channel can flow along the rear side and the upper side of the silencer, the first wind shield plays a role in separating air flow blown out upwards from the first air channel and air flow blown out from the second air channel, and mutual influence of the two air flows is reduced.
5. The left end and the right end of the first wind shield are respectively provided with a second wind shield, the first wind shield and the second wind shield form a U-shaped structure with a backward opening, and the rear ends of the two second wind shields are abutted to the front end of the upper cover plate. Make the front side edge of upper shield plate, first deep bead and two second deep beads enclose into a square hole up, the air current that flows from the second wind channel is difficult to scurring about to after receiving first deep bead to block.
6. And a third air inlet is formed by the silencer cover, the silencer and the left second air baffle in a surrounding manner. The air flow speed entering the channel from the second air channel is large, negative pressure can be formed at the third air inlet, hot air outside the third air inlet can be sucked into the channel and is discharged out of the shell from the air outlet forward, and the cooling effect on the engine can be further improved.
7. And a third air duct is arranged between the upper side of the cylinder head of the engine and the air guide cover, the front end of the third air duct is open, and a spark plug is arranged on the cylinder head and is positioned at the front end of the third air duct. The air flow sucked into the air guide cover from the second air inlet can also flow out forwards from the third air channel, so that the upper side of the cylinder head and the spark plug can be cooled, and the cooling effect on the engine can be further improved.
8. The engine is characterized in that a plurality of radiating ribs are arranged on the upper side of a crankcase of the engine and arranged along the front-back direction, the radiating ribs are located between a cylinder head of the engine and a second wind shield close to the right, a fourth air channel is formed by the plurality of radiating ribs and the upper cover plate, the rear end of the fourth air channel is communicated with an inner cavity of the air guide cover, and the front end of the fourth air channel is communicated with an inner cavity of the muffler cover. The air flow sucked into the air guide cover from the second air inlet can also flow into the muffler cover forwards from the fourth air channel, then flows out of the front side of the muffler cover, and finally is discharged out of the shell through the air outlet, so that the upper side of a crankcase of the engine and the muffler can be cooled, and the cooling effect on the engine can be further improved.
9. And a fifth air duct is arranged between the lower side of the cylinder head of the engine and the air guide cover, the front end of the fifth air duct is provided with an opening, and an igniter coil mounting column is arranged on the cylinder head and is positioned in the fifth air duct. The air current that is inhaled the wind scooper from the second air intake can also flow forward from the fifth wind channel, and the shell is discharged from the air outlet at last, can cool down the downside and the igniter coil erection column of the cylinder head of engine, can further improve the cooling effect to the engine.
10. An inverter is arranged in the shell and located at the edge of the first air inlet, so that cold air entering the shell from the first air inlet can cool the inverter.
Drawings
Fig. 1 is a schematic structural diagram of a closed variable frequency generator set of the present invention;
fig. 2 is a sectional view of the closed variable frequency generator set of the present invention;
fig. 3 is a schematic structural view of the enclosed variable frequency generator set without a housing;
fig. 4 is a cross-sectional view of the enclosed variable frequency generator set of the present invention with the housing omitted;
FIG. 5 is a schematic structural view of the closed variable frequency generator set without the housing and the muffler cover;
fig. 6 is a front view of the enclosed variable frequency generator set without a housing.
In the figure, 1, a housing; 2. a wind scooper; 3. an impeller; 4. a generator; 5. an engine; 6. a muffler cover; 7. a muffler; 8. a first air inlet; 9. an air outlet; 10. a second air inlet; 11. a lower cover plate; 12. a first air duct; 13. a wind guiding rib; 14. a cooling channel; 15. an upper cover plate; 16. a second air duct; 17. a first windshield; 18. a second wind deflector; 19. a third air inlet; 20. a cylinder head; 21. a third air duct; 22. a spark plug; 23. a crankcase; 24. heat dissipation ribs; 25. a fourth air duct; 26. a fifth air duct; 27. an igniter coil mounting post; 28. an inverter.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
It should be noted that, in the present invention, the end where the muffler is located is "front", the end where the second air inlet is located is "rear", and when facing the front side of the engine, the side where the left hand is located is "left", and the side where the right hand is located is "right".
As shown in fig. 1, 2 and 5, the utility model comprises a housing 1, an air guiding cover 2, an impeller 3, a generator 4, an engine 5, a silencer cover 6 and a silencer 7, wherein a first air inlet 8 is arranged at the rear part of the housing 1, an air outlet 9 is arranged on the front side plate of the housing 1, the air guiding cover 2, the impeller 3, the generator 4 and the engine 5 are sequentially arranged, a second air inlet 10 is arranged on the air guiding cover 2, the silencer 7 is arranged at the front upper part of the engine 5, the silencer cover 6 is arranged on the silencer 7, the front side and the lower side of the silencer cover 6 are both open, a lower cover plate 11 is arranged at the bottom of the engine 5, a first air duct 12 is arranged between the lower cover plate 11 and the engine 5, the rear end of the first air duct 12 is communicated with the inner cavity of the air guiding cover 2, the front end of the lower cover plate 11 is bent upwards, so that the front end of the first air duct 12 is bent toward the front side wall of the engine 5.
Set up silencer 7 in the preceding top of engine 5, make silencer 7 can not lead to the fact to shelter from to the front end of engine 5, the utility model provides a generating set during operation, the crankshaft rotation of crankcase 23 of engine 5 drives impeller 3 and rotates, the outside cold air of shell 1 gets into shell 1 from first air intake 8, the air current that gets into shell 1 is inhaled in second air intake 10 by pivoted impeller 3 in wind scooper 2, then the air current can flow into first wind channel 12 from wind scooper 2, because the front end of first wind channel 12 is crooked to the preceding lateral wall of engine 5, the air current in first wind channel 12 can upwards flow out, then flow forward under the blockking of silencer 7, flow out shell 1 from air outlet 9 at last. The air flow cools the underside of the engine 5, the front end of the engine 5 and the muffler 7 during the entire process. The utility model discloses can improve the cooling effect to the engine, can improve the dynamic property and the economic nature of engine.
As shown in fig. 3 and 6, a vertical air guiding rib 13 is provided on a front side wall of the engine 5, and the air guiding rib 13 is located on the left side of the front end of the lower cover plate 11. The air guide rib 13 can prevent the air from flowing toward the left side of the engine 5 and enhance the cooling effect on the front side wall of the engine and the muffler 7.
As shown in fig. 2, a cooling channel 14 is formed between the upper side and the rear side of the muffler 7 and the muffler cover 6, an upper cover plate 15 is arranged on the upper side of the engine 5, a second air duct 16 is arranged between the upper cover plate 15 and the engine 5, the rear end of the second air duct 16 is communicated with the inner cavity of the air guide cover 2, and the front end of the second air duct 16 is communicated with the cooling channel 14. The second air duct 16 is arranged so that the air flow sucked into the air guiding cover 2 from the second air inlet 10 can flow into the second air duct 16, then flow into the channel through the second air duct 16, then flow out from the front side of the muffler cover 6, and finally flow out of the housing 1 from the air outlet 9. The heat dissipation can be carried out on the upper side of the engine and the rear side and the upper side of the silencer 7 in the flowing process of the air flow, and the cooling effect on the engine can be further improved.
As shown in fig. 2, the engine 5 is provided with a first wind deflector 17, and the first wind deflector 17 is used for blocking a gap between the lower side surface of the muffler 7 and the engine 5. The first wind deflector 17 is provided to block the air flowing out from the second air duct 16, reduce the air flow flowing through the gap between the muffler 7 and the engine 5, and ensure that the air flow flowing out from the second air duct 16 can flow along the rear side and the upper side of the muffler 7, and the first wind deflector 17 has a separation effect on the air flow blown out upward from the first air duct 12 and the air flow blown out from the second air duct 16, thereby reducing the mutual influence of the two air flows.
As shown in fig. 5, the left end and the right end of the first wind deflector 17 are provided with second wind deflectors 18, the first wind deflector 17 and the second wind deflector 18 form a U-shaped structure with a backward opening, and the rear ends of the two second wind deflectors 18 are abutted to the front end of the upper cover plate 15. The front side edge of the upper cover plate 15, the first wind shield 17 and the two second wind shields 18 are enclosed to form an upward square hole, and airflow flowing out of the second air duct 16 is not easy to jump left and right after being blocked by the first wind shield 17.
As shown in fig. 3, the muffler cover 6, the muffler 7, and the second damper 18 to the left enclose a third air intake opening 19. The air flow speed entering the channel from the second air duct 16 is large, negative pressure can be formed at the third air inlet 19, hot air outside the third air inlet 19 can be sucked into the channel and is discharged out of the shell 1 from the air outlet 9 forwards, and the cooling effect on the engine can be further improved.
As shown in fig. 4, a third air duct 21 is provided between the upper side of the cylinder head 20 of the engine 5 and the air guiding cover 2, the front end of the third air duct 21 is open, an ignition plug 22 is provided on the cylinder head 20, and the ignition plug 22 is located at the front end of the third air duct 21. The air flow sucked into the air guiding cover 2 from the second air inlet 10 can also flow out forwards from the third air duct 21, so that the upper side of the cylinder head 20 and the spark plug 22 can be cooled, and the cooling effect on the engine can be further improved.
As shown in fig. 4, a plurality of heat dissipating ribs 24 are disposed on an upper side of a crankcase 23 of the engine 5, the heat dissipating ribs 24 are disposed along a front-rear direction, the heat dissipating ribs 24 are located between a cylinder head 20 of the engine 5 and a second wind deflector 18 close to the right, the plurality of heat dissipating ribs 24 and the upper cover plate 15 form a fourth air duct 25, a rear end of the fourth air duct 25 is communicated with an inner cavity of the air guide cover 2, and a front end of the fourth air duct 25 is communicated with an inner cavity of the muffler cover 6. The air flow sucked into the air guide cover 2 from the second air inlet 10 can also flow forwards into the muffler cover 6 from the fourth air duct 25, then flows out of the front side of the muffler cover 6, and finally is discharged out of the shell 1 through the air outlet 9, so that the upper side of the crankcase 23 of the engine 5 and the muffler 7 can be cooled, and the cooling effect on the engine can be further improved.
As shown in fig. 4 and 6, a fifth air duct 26 is provided between the lower side of the cylinder head 20 of the engine 5 and the air guiding cover 2, the front end of the fifth air duct 26 is open, an igniter coil mounting post 27 is provided on the cylinder head 20, and the igniter coil mounting post 27 is located in the fifth air duct 26. The air flow sucked into the air guiding cover 2 from the second air inlet 10 can also flow forwards from the fifth air duct 26, and finally is discharged out of the shell 1 from the air outlet 9, so that the lower side of the cylinder head 20 and the igniter coil mounting column 27 of the engine 5 can be cooled, and the cooling effect on the engine can be further improved.
As shown in fig. 1 and fig. 2, an inverter 28 is disposed in the housing 1, and the inverter 28 is located at an edge of the first air inlet 8, so that the cool air entering the housing 1 from the first air inlet 8 can also cool the inverter 28.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a closed frequency conversion generating set which characterized in that: the silencer is arranged above the engine, the silencer cover is arranged on the silencer, the front side and the lower side of the silencer cover are both open, a lower cover plate is arranged at the bottom of the engine, a first air channel is arranged between the lower cover plate and the engine, the rear end of the first air channel is communicated with an inner cavity of the air guide cover, and the front end of the first air channel is bent towards the front side wall of the engine.
2. The enclosed variable frequency generator set of claim 1, wherein: the front side wall of the engine is provided with a vertical air guiding rib, and the air guiding rib is positioned on the left side of the front end of the lower cover plate.
3. The enclosed variable frequency generator set of claim 1, wherein: cooling channels are formed between the upper side and the rear side of the silencer and the silencer cover, an upper cover plate is arranged on the upper side of the engine, a second air duct is arranged between the upper cover plate and the engine, the rear end of the second air duct is communicated with the inner cavity of the air guide cover, and the front end of the second air duct is communicated with the cooling channels.
4. The enclosed variable frequency generator set of claim 3, wherein: be equipped with first deep bead on the engine, first deep bead is used for blockking the clearance between the downside of silencer and the engine.
5. The enclosed variable frequency generator set of claim 4, wherein: the left end and the right end of the first wind shield are respectively provided with a second wind shield, the first wind shield and the second wind shield form a U-shaped structure with a backward opening, and the rear ends of the two second wind shields are abutted to the front end of the upper cover plate.
6. The enclosed variable frequency generator set of claim 5, wherein: and a third air inlet is formed by the silencer cover, the silencer and the left second air baffle in a surrounding manner.
7. The enclosed variable frequency generator set of claim 1, wherein: and a third air duct is arranged between the upper side of the cylinder head of the engine and the air guide cover, the front end of the third air duct is open, and a spark plug is arranged on the cylinder head and is positioned at the front end of the third air duct.
8. The enclosed variable frequency generator set of claim 5, wherein: the engine is characterized in that a plurality of radiating ribs are arranged on the upper side of a crankcase of the engine and arranged along the front-back direction, the radiating ribs are located between a cylinder head of the engine and a second wind shield close to the right, a fourth air channel is formed by the plurality of radiating ribs and the upper cover plate, the rear end of the fourth air channel is communicated with an inner cavity of the air guide cover, and the front end of the fourth air channel is communicated with an inner cavity of the muffler cover.
9. The enclosed variable frequency generator set of claim 1, wherein: and a fifth air duct is arranged between the lower side of the cylinder head of the engine and the air guide cover, the front end of the fifth air duct is provided with an opening, and an igniter coil mounting column is arranged on the cylinder head and is positioned in the fifth air duct.
10. The enclosed variable frequency generator set of claim 1, wherein: an inverter is arranged in the shell and is positioned at the edge of the first air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523374.5U CN213450599U (en) | 2020-11-03 | 2020-11-03 | Closed variable frequency generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523374.5U CN213450599U (en) | 2020-11-03 | 2020-11-03 | Closed variable frequency generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213450599U true CN213450599U (en) | 2021-06-15 |
Family
ID=76298483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022523374.5U Active CN213450599U (en) | 2020-11-03 | 2020-11-03 | Closed variable frequency generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213450599U (en) |
-
2020
- 2020-11-03 CN CN202022523374.5U patent/CN213450599U/en active Active
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