CN101635486B - Generator of engine - Google Patents
Generator of engine Download PDFInfo
- Publication number
- CN101635486B CN101635486B CN 200910104695 CN200910104695A CN101635486B CN 101635486 B CN101635486 B CN 101635486B CN 200910104695 CN200910104695 CN 200910104695 CN 200910104695 A CN200910104695 A CN 200910104695A CN 101635486 B CN101635486 B CN 101635486B
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- frequency converter
- engine
- generator
- cold
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Abstract
The invention provides a engine-driven generator. A generating set is mounted on a stand and is arranged in a closed outer shell. Two opposite sides of the outer shell are respectively provided with an air inlet and an air outlet; an engine is provided with a fan sleeve (6) and an air-guiding sleeve (7) which are respectively arranged at both sides of a cold-hot area separator (8); a motorstator is covered by another air-guiding sleeve (10); a gap is formed between the end surface of the fan sleeve (6) and an engine stator (9); and one end of the air-guiding sleeve (10) is connected with the fan sleeve (6). By the technical scheme of the invention, an air duct structure in the generator becomes more reasonable, an air flow direction becomes more regular and orderly and various heating parts in the generator are cooled well. The gasoline engine generator running at a room temperature can control the temperature of a transducer inductor to be lower than 60 DEG C and the oil temperature of the generator to be lower than 125 DEG C so that favorable ventilation and radiation effects are obtained.
Description
Technical field
The present invention relates to the generator of engine technical field, relate in particular to improvement design the gasoline engine generator heat dissipation wind channel structure.
Background technology
For attractive in appearance with reduce noise, some gasoline engine generator has adopted the closed shell structure, only the bottom of shell and wherein two sides be provided with the ventilating opening of venetian blind type.In the housing except that fan guard and kuppe that cold and hot differentiation dividing plate and petrol engine itself carry; Other position is not provided with the parts that wind is led in order specially; Therefore its result of ventilating heat dissipation is poor; After particularly having installed frequency converter additional, work under suitable ambient temperature owing to must guarantee each element of frequency converter, so ventilation and heat is had higher requirement.
The air-cooled process of existing closure formula frequency conversion gasoline engine generator is: from the cold wind of side louvre ventilation mouth entering; At first be cooled to frequency converter; But because the space around the frequency converter is big, cold wind passes through frequency converter fast, dispersedly, and frequency converter is not adequately cooled; Cold wind is from the flywheel fan of the centre pilot engine of rotor then; Owing to can cause certain resistance to wind during the rotor running; And the motor stator end directly links to each other with the flywheel fan cover, causes a large amount of wind successfully not import to the hot-zone through the flywheel fan cover and removes to cool off the crankcase housing.These wind are circuitous pacing up and down in the cold-zone, hindered air inlet air intake and air outlet air draft successfully swimmingly, makes the temperature of temperature and engine motor oil of whole gasoline engine generator frequency converter inductance all higher, influenced the normal performance of machine performance.
Summary of the invention
The purpose of this invention is to provide a kind of engine-driven generator of using, through the air channel structure in the machine is optimized design, make wind in machine, obtain the standard guiding, thereby significantly improve the result of ventilating heat dissipation of entire machine.
For realizing above-mentioned purpose, the invention provides a kind of engine-driven generator of using, generating set is installed on the frame and is positioned at closure; The wherein two relative side of shell is respectively equipped with air inlet and air outlet; Fan guard and air conducting cover are housed on the engine, and fan guard and air conducting cover lay respectively at the both sides of cold and hot differentiation dividing plate, are covered with wind scooper on the generator unit stator; Leave the space between fan guard end face and the generator unit stator, wind scooper one end links to each other with fan guard.
Cold wind is got into by the air inlet of shell side, owing on generator unit stator, be covered with wind scooper, fan guard on wind scooper and the engine and air conducting cover are formed a continuous air channel.Under hot-zone ventilating fan and cold-zone action of fan, cold wind passes through wind scooper, fan guard and air conducting cover successively, is discharged by the air outlet of shell side at last.During cold wind process wind scooper generator is cooled off.Space between fan guard end face and the generator unit stator is the air duct between wind scooper and the fan guard; After this space has been arranged; Most of cold air enters in the fan guard through this space from wind scooper; The air quantity that gets into fan guard is more, and cold wind is more regular in the guiding of this side of generator stator-rotator, orderly.
Further; Supporting other frequency converter behind the generator is contained in the frequency converter housing; Frequency converter housing is provided with air-guiding hole; The wherein part of air-guiding hole is positioned at the bottom of the groove that is used for installing frequency converter on the frequency converter housing, and remainder is then above this groove, and an end and the wind scooper of air-guiding hole join.On the frequency conversion gasoline engine generator, frequency converter is the bigger parts of caloric value, and the circuit board of frequency converter and most of component package are in a uncovered aluminium box with fin.After frequency converter housing had been arranged, frequency converter was placed in the groove of frequency converter housing, the one side of aluminium tape fin outwardly, cold wind during through the fin on the aluminium box circuit board to frequency converter cool off, concentrate the guiding air-guiding hole then, get into wind scooper through air-guiding hole.Because the position of frequency converter is close to the air inlet of shell side; After having installed frequency converter housing additional; Continuous air channel initiating terminal in the whole gasoline engine generator more is close to the air inlet of shell side, makes whole air channel more complete, continuous, improves the flow efficiency of air in the air channel.
As a kind of improvement to frequency converter housing, the sidewall that is used for installing the groove of frequency converter on the above-mentioned frequency converter housing outwards is recessed to form little wind guide tank in the place corresponding to the frequency converter inductance.When cold wind cools off the circuit board of frequency converter through the fin on the aluminium box, also the frequency converter inductance is dispelled the heat especially through the wind guide tank on the sidewall.
Further, at the end face of said fan cover wind deflector is installed, the center of wind deflector is provided with air guide hole.Air guide hole on wind deflector and the wind deflector is to be used for the air in the wind scooper is successfully imported in the fan guard.
Above-mentioned cold and hot differentiation dividing plate outward flange contacts with outer casing inner wall, and inward flange contacts with the engine outer surface, makes cold and hot differentiation dividing plate that shell inner cavity is separated into fully independently hot and cold district, prevents that air flows string each other between the hot and cold district, influences radiating effect.
The air port of crossing on the frame top board of above-mentioned generating set below is arranged on hot-zone one side and is close to cold and hot differentiation dividing plate.The cross air port of the cold air that ventilating opening gets into from the framework lateral plate on the frame top board enters into the hot-zone, and engine crankcase assist cooling, then the air outlet of discharge shell side under the ventilating fan effect of hot-zone.
The technique effect that the present invention obtains is: the air channel structure in the machine is more reasonable, and the flow direction of wind is more regular, makes interior each heat generating components of machine all obtain good cooling.When moving at normal temperatures, the Controllable Temperature of frequency converter inductance is built in below 60 ℃, and the Controllable Temperature of engine motor oil has obtained good result of ventilating heat dissipation built in below 125 ℃.
Description of drawings
Fig. 1 is with the GED generator outline drawing of frequency conversion in the embodiment of the invention;
Fig. 2 is with the vertical view of the GED generator of frequency conversion among Fig. 1;
Fig. 3 is the internal structure sketch map after Fig. 1 removes shell;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the assembling sketch map of frequency converter and frequency converter housing in the embodiment of the invention;
Fig. 6 is that the B of Fig. 5 is to view;
Fig. 7 is that Fig. 5 removes the later frequency converter housing sketch map of frequency converter;
Fig. 8 is the sketch map that the end face of fan guard 6 is equipped with wind deflector 22;
Fig. 9 is the sketch map of wind deflector 22;
Among the figure: 1. shell; 2. air inlet; 3. air outlet; 4. frame; 5. ventilating opening; 6. fan guard; 7. air conducting cover; 8. cold and hot differentiation dividing plate; 9. generator unit stator; 10. wind scooper; Cross 26. ventilating fan I. cold-zones, air port 11. support 17. frequency converters, 18. frequency converter housings, 19. air-guiding holes, 20. grooves, 21. wind guide tanks, 22. wind deflectors, 23. air guide holes, 24. frame top boards 25. behind 16. generators of wheel 12. control panels 13. handle pipe 14. fuel tank cap 15. spaces; II. hot-zone.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Like Fig. 1, shown in Figure 2; The GED generator of usefulness in the embodiment of the invention adopts closure 1, is respectively equipped with the air inlet 2 and air outlet 3 of venetian blind type at the wherein two relative side of shell 1, on the side plate of frame 4, also is provided with the ventilating opening 5 of venetian blind type; Wheel 11 is equipped with at four angles of frame 4 bottoms; The side of shell 1 is provided with control panel 12, and label 13 is a handle pipe, and 14 is fuel tank cap.
Like Fig. 3, shown in Figure 4; Fan guard 6 and air conducting cover 7 are housed on the engine; Fan guard 6 and air conducting cover 7 lay respectively at the both sides of cold and hot differentiation dividing plate 8; Fan guard 6 covers engine flywheel and fan, and air conducting cover 7 is positioned at the top of engine crankcase, and fan guard 6 all is standing parts that engine carries with air conducting cover 7.
Be covered with wind scooper 10 on the generator unit stator 9, leave space 15 between fan guard 6 end faces and the generator unit stator 9, wind scooper 10 1 ends link to each other with fan guard 6 usefulness screws.Wind scooper 10 integral body are arch, and cover body lower end and generator unit stator 9 lateral walls join, and make between cover body inwall and generator unit stator 9 lateral walls and form the air channel.During cold wind process wind scooper 10 generator is cooled off.Space 15 is the air ducts between wind scooper 10 and the fan guard 6, and cold air enters into 6 li of fan guards from wind scooper 10 through this space 15, and the air quantity that gets into fan guard 6 is more, and cold wind is more regular in the guiding of this side of generator stator-rotator, orderly.
Referring to Fig. 5 to Fig. 7 and combine Fig. 3, Fig. 4 to find out; Support 16 other frequency converters 17 behind the generator and be contained in 18 li of frequency converter housings; Frequency converter housing 18 is provided with air-guiding hole 19; The wherein part of air-guiding hole 19 is positioned at the bottom of the groove 20 that is used for installing frequency converter on the frequency converter housing 18, and remainder is then above this groove 20, and an end of air-guiding hole 19 and wind scooper 10 usefulness screws join.
The circuit board of frequency converter 17 and most of component package are in a uncovered aluminium box with fin; Frequency converter 17 is placed in 20 li of the grooves of frequency converter housing 18; The one side of aluminium tape fin outwardly; Circuit board to frequency converter 17 when cold wind passes through the fin on the aluminium box cools off, and concentrates guiding wind-guiding 19 holes then, gets into wind scoopers 10 through air-guiding hole 19.Because the position of frequency converter 17 is close to the air inlet 2 of shell 1 side; After having installed frequency converter housing 18 additional; Continuous air channel initiating terminal in the whole gasoline engine generator just more is close to the air inlet 2 of shell 1 side; Make whole air channel more complete, continuous, improved the flow efficiency of air in the air channel.
Like Fig. 5, shown in Figure 7, the sidewall that is used for installing the groove 20 of frequency converter 17 on the frequency converter housing 18 outwards is recessed to form little wind guide tank 21 in the place corresponding to the frequency converter inductance.When cold wind cools off the circuit board of frequency converter 17 through the fin on the aluminium box, also dispel the heat especially through 21 pairs of frequency converter inductance of the wind guide tank on the sidewall, it is too high to make the maximum element of this heating of frequency converter inductance be unlikely temperature.
Referring to Fig. 4, Fig. 8 and Fig. 9, at the end face of fan guard 6 wind deflector 22 is installed, the center of wind deflector 22 is provided with air guide hole 23.Because manufacturing process, the end face of fan guard 6 can not mold bigger hole, therefore sets up wind deflector 22 at its end face, utilizes the bigger air guide hole 23 of diameter at wind deflector 22 centers, and the air of 10 li of wind scoopers is successfully imported 6 li of fan guards.
Can find out from Fig. 3, Fig. 4; Cold and hot differentiation dividing plate 8 outward flanges contact with shell 1 inwall; Inward flange contacts with the engine outer surface; Make cold and hot differentiation dividing plate 8 that shell inner cavity is separated into fully independently hot and cold district I and II,, influence radiating effect to prevent that air flows string each other between the hot and cold district.The air port 25 of crossing on the frame top board 24 of generating set below is arranged on hot-zone II one side and is close to cold and hot differentiation dividing plate 8.The cross air port 25 of the cold air that ventilating opening gets into from the framework lateral plate on frame top board 24 enters into hot-zone II, and engine crankcase assist cooling, then the air outlet 3 of discharge shell 1 side under the ventilating fan 26 of hot-zone II acts on.
The air outlet of crossing wind 25, ventilating fan 26 and shell 1 side 3 on the framework lateral plate on ventilating opening 5, the frame top board constitutes the inferior air channel of gasoline engine generator of the present invention; Cold wind gets into from ventilating opening 5; Enter into hot-zone II through wind 25; By ventilating fan 26 forced drafts, discharge from air outlet 3, whole gasoline engine generator is played the effect of secondary ventilation heat radiation.
Compare with traditional structure, above-mentioned air channel structure is more reasonable, and the flow direction of wind is more regular, makes interior each heat generating components of machine can both obtain good cooling.
Claims (6)
1. use engine-driven generator for one kind; Generating set is installed on the frame (4) and is positioned at closure (1); The wherein two relative side of shell (1) is respectively equipped with air inlet (2) and air outlet (3); Fan guard (6) and air conducting cover (7) are housed on the engine, and fan guard (6) and air conducting cover (7) lay respectively at the both sides of cold and hot differentiation dividing plate (8), it is characterized in that: be covered with wind scooper (10) on the said generator unit stator (9); Leave space (15) between fan guard (6) end face and the generator unit stator (9), said wind scooper (10) one ends link to each other with fan guard (6); Support (16) other frequency converter (17) behind the generator and be contained in frequency converter housing (18) lining, frequency converter housing (18) is provided with air-guiding hole (19).
2. a kind ofly according to claim 1 use engine-driven generator; It is characterized in that: the wherein part of said air-guiding hole (19) is positioned at the bottom of the groove (20) that is used for installing frequency converter (17) on the frequency converter housing (18); Remainder is then above this groove (20), and an end of air-guiding hole (19) and said wind scooper (10) join.
3. like the said a kind of engine-driven generator of using of claim 2, it is characterized in that: the sidewall that is used for installing the groove (20) of frequency converter (17) on the said frequency converter housing (18) outwards is recessed to form little wind guide tank (21) in the place corresponding to the frequency converter inductance.
4. a kind ofly according to claim 1 or claim 2 use engine-driven generator, it is characterized in that: the end face at said fan guard (6) is equipped with wind deflector (22), and the center of wind deflector (22) is provided with air guide hole (23).
5. like the said a kind of engine-driven generator of using of claim 4; It is characterized in that: said cold and hot differentiation dividing plate (8) outward flange contacts with shell (1) inwall; Inward flange contacts with the engine outer surface, makes cold and hot differentiation dividing plate (8) that shell (1) inner chamber is separated into fully independently hot and cold district (I, II).
6. like the said a kind of engine-driven generator of using of claim 5, it is characterized in that: the air port (25) of crossing on the frame top board (24) of said generating set below is arranged on hot-zone (II) side and is close to cold and hot differentiation dividing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910104695 CN101635486B (en) | 2009-08-24 | 2009-08-24 | Generator of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910104695 CN101635486B (en) | 2009-08-24 | 2009-08-24 | Generator of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101635486A CN101635486A (en) | 2010-01-27 |
| CN101635486B true CN101635486B (en) | 2012-06-13 |
Family
ID=41594581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910104695 Expired - Fee Related CN101635486B (en) | 2009-08-24 | 2009-08-24 | Generator of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101635486B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143883B (en) * | 2014-06-11 | 2017-11-21 | 重庆乾威科技有限公司 | The generator that multi-part cools down simultaneously |
| CN104454109A (en) * | 2014-12-07 | 2015-03-25 | 隆鑫通用动力股份有限公司 | Air-cooled generator |
| CN104578715B (en) * | 2015-01-28 | 2018-02-13 | 苏州圆能动力科技有限公司 | A kind of inverter cooling structure of portable power generation unit |
| CN105846592B (en) * | 2016-03-28 | 2018-07-03 | 江苏杰特动力科技有限公司 | A kind of variable-frequency power generation unit enters the wind cooling system |
| CN108347156A (en) * | 2018-05-02 | 2018-07-31 | 隆鑫通用动力股份有限公司 | A kind of frequency converter mounting structure and frequency converter cooling system |
| CN109854350B (en) * | 2019-04-04 | 2024-02-13 | 威马农机股份有限公司 | Cooling system of variable frequency generator set |
| CN109989826A (en) * | 2019-04-15 | 2019-07-09 | 重庆华世丹动力科技股份有限公司 | Generating set cooling air duct construction |
| CN112832905B (en) * | 2021-01-07 | 2022-04-01 | 浙江耀锋动力科技有限公司 | Power generator set |
-
2009
- 2009-08-24 CN CN 200910104695 patent/CN101635486B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101635486A (en) | 2010-01-27 |
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Granted publication date: 20120613 Termination date: 20160824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |